Common use of Effectiveness; Defaulting Initial Purchasers Clause in Contracts

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, the Company or the Guarantors. In any such case either you or the Trust shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you the Representatives may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you the Representatives and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you the Representatives or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Additional Securities to be sold on such Option Closing Date or (b) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Offered Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Offered Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Offered Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Offered Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Offered Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Offered Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Offered Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Offered Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Offered Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Offered Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Offered Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Offered Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-one tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which that such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-one ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-one tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-out of pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Additional Securities to be sold on such Option Closing Date or (b) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities Notes that it has or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities Notes which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities Notes to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities Firm Notes set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities Firm Notes set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you the Representatives may specify, to purchase the Securities Notes which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities Notes that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 9 by an amount in excess of one-ninth of such principal amount of Securities Notes without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities Firm Notes which it has or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities Notes with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities Firm Notes to be purchased on such date, and arrangements satisfactory to you the Representatives and the Trust Company for the purchase of such Securities Firm Notes are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you the Representatives or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Pricing Disclosure Package, the Offering Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Notes and the aggregate principal amount of Additional Notes with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Notes to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Additional Notes to be sold on such Option Closing Date or (b) purchase not less than the principal amount of Additional Notes that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement is terminated pursuant to this Section 9, the Company shall not have any liability to any Initial Purchaser except as provided in Sections 6 and 8 hereof. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this AgreementAgreement required to be performed or complied with by the Company, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this AgreementAgreement other than by reason of a default by the Initial Purchasers or the occurrence of any of the events described in clauses (i), (iii), (iv) or (v) of Section 10, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all documented, out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company shall have no further liability to any Initial Purchaser except as provided in Sections 6 and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts8 hereof.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-one tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-non defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which that such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-one ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-one tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-non defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Additional Securities to be sold on such Option Closing Date or (b) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-out of pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, Date any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that which it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of the Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I (in the column titled “Total”) bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial PurchasersPurchasers (in the column titled “Total”), or in such other proportions as you the Initial Purchasers may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement Section 1 be increased pursuant to this Section 10 9 by an amount in excess of one-ninth tenth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date date, and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you the Initial Purchasers and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, the Company Purchaser or the GuarantorsCompany. In any such case either you the Initial Purchasers or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Additional Securities to be sold on such Option Closing Date or (b) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they Guarantors will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it has or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of the Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you the Representatives may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you the Representatives and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, the Company Purchaser or the GuarantorsCompany. In any such case either you the Representatives or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, in the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Additional Securities to be sold on such Option Closing Date or (b) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, Agreement the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, If on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting nondefaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 11 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, If on the Closing Date Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Issuer for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting nondefaulting Initial Purchaser, Purchaser or of the Company or Issuer and the Guarantors. In any such case either you or the Trust Issuer shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or Issuer and the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or Issuer and the Guarantors shall be unable to perform their its obligations under this Agreement, the Company Issuer and the Guarantors, jointly and severally, agree that they Guarantors will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you the Representatives may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you the Representatives and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you the Representatives or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Additional Securities to be sold on such Option Closing Date or (b) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this AgreementAgreement required to be complied with, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this AgreementAgreement other than by reason of a default by the Initial Purchasers or the occurrence of any of the events described in clauses (i), (iii), (iv) or (v) of Section 11, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all documented out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid and in the case of a default by the Initial Purchasers, the Company will reimburse the non-defaulting Initial Purchasers who have terminated this Agreement, severally, for all of their documented out-of-pocket expenses (including their pro rata share of fees and disbursements of their counsel) reasonably incurred by such non-defaulting Initial Purchasers in connection with this Agreement. Notwithstanding the Guarantors foregoing sentence, if, after the Closing Date but prior to any Option Closing Date with respect to the purchase of any Additional Securities pursuant to a notice delivered by the Representatives to the Company under Section 2 hereof, the Company fails or refuses to comply with the terms or to fulfill any of the conditions of the Agreement in connection with such Option Closing Date, the Company will reimburse the Initial Purchasers severally for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with the event proposed purchase of any such Additional Securities pursuant to this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trustsAgreement.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-one tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-non defaulting Initial Purchasers, or in such other proportions as you may specifybe specified by the Representative with the consent of the non-defaulting Initial Purchasers, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such datethe Closing Date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-one ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-one tenth of the aggregate principal amount of Securities to be purchased on such datethe Closing Date, and arrangements satisfactory to you the non-defaulting Initial Purchasers and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or any Guarantor except that the Guarantorsprovisions of Sections 6(g), 8 and 11 hereof shall at all times be effective and shall survive such termination. In any such case either you the Representative or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. As used in this Agreement, the term “Initial Purchaser” shall be deemed to include any person substituted for a defaulting Initial Purchaser under this Section 10. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Additional Securities to be sold on such Option Closing Date or (b) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this AgreementAgreement (in each case other than (x) a termination pursuant to clauses (i), (iii), (iv) or (v) of Section 9 or (y) a termination pursuant to Section 10 (with respect to the defaulting Initial Purchaser only)), the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and reasonable and documented disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it has or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of the Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears bear to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, the Company Purchaser or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Offering Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement . Any notice under this Section 10 may be made by telecopy or telephone but shall be required to be paid subsequently confirmed by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trustsletter.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it has or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of the Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears bear to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, the Company Purchaser or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, changes in the Final Offering Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If Any notice under this Agreement Section 10 may be made by telecopy or telephone but shall be terminated subsequently confirmed by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trustsletter.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon as of the execution and delivery hereof by the parties heretodate first written above. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specifybe specified by the Representative with the consent of the non-defaulting Initial Purchasers, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such datethe Closing Date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth tenth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such datethe Closing Date, and arrangements satisfactory to you the non-defaulting Initial Purchasers and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or any Guarantor except that the Guarantorsprovisions of Sections 6(g), 8 and 11 hereof shall at all times be effective and shall survive such termination. In any such case either you the Representative or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. As used in this Agreement, the term “Initial Purchaser” shall be deemed to include any person substituted for a defaulting Initial Purchaser under this Section 10. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more Date either of the Initial Purchasers shall fail or refuse to purchase Securities that which it or they have has agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of the Securities to be purchased on such date, the other Initial Purchasers Purchaser shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement Section 1 be increased pursuant to this Section 10 9 by an amount in excess of one-ninth tenth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date date, and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you the Initial Purchasers and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any the non-defaulting Initial Purchaser, the Company Purchaser or the GuarantorsCompany. In any such case either you the Initial Purchasers or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date or an Additional Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it has or they have agreed to purchase hereunder on such date, and the aggregate principal amount number of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount number of the Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount number of Underwritten Securities set forth opposite their respective names in Schedule I 1 to this Agreement bears to the aggregate principal amount number of Underwritten Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount number of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount number of Securities without the written consent of such Initial Purchaser. If, on the Closing Date Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Underwritten Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount number of Underwritten Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount number of Underwritten Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Underwritten Securities are not made within 36 thirty-six (36) hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, the Company Purchaser or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven (7) days, in order that the required changes, if any, in the Final Time of Sale Information, the Offering Memorandum or in any other documents or arrangements may be effected. If, on an Additional Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Option Securities and the aggregate number of Option Securities with respect to which such default occurs is more than one-tenth of the aggregate number of Option Securities to be purchased on such Additional Closing Date, the non-defaulting Initial Purchasers shall have the option to (i) terminate their obligation hereunder to purchase the Option Securities to be sold on such Additional Closing Date or (ii) purchase not less than the number of Option Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Parent for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the Guarantorsany Guarantor. In any such case either you or the Trust Parent, on behalf of the Company and the other Guarantors, shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors any Guarantor to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors any Guarantor shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they Guarantors will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specifybe specified by the Representative with the consent of the non-defaulting Initial Purchasers, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such datethe Closing Date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth tenth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such datethe Closing Date, and arrangements satisfactory to you the non-defaulting Initial Purchasers and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or any Guarantor except that the Guarantorsprovisions of Sections 6(g), 8 and 11 hereof shall at all times be effective and shall survive such termination. In any such case either you the Representative or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. As used in this Agreement, the term “Initial Purchaser” shall be deemed to include any person substituted for a defaulting Initial Purchaser under this Section 10. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it has or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Additional Securities to be sold on such Option Closing Date or (b) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this AgreementAgreement (which, for purposes of this Section 10, shall not include termination by the Initial Purchasers under items (iii)-(v) of Section 9), the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it has or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of the Firm Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount number of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 11 by an amount in excess of one-ninth of such principal amount number of Securities without the written consent of such Initial Purchaser. If, on the Closing Date Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Firm Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum or the Final Memorandum Offering Memorandum, or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (i) terminate their obligation hereunder to purchase the Additional Securities to be sold on such Option Closing Date or (ii) purchase not less than the number of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, excluding any termination pursuant to clauses (i), (iii), (iv) or (v) of Section 11, or if for any reason, the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-one tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-non defaulting Initial Purchasers, or in such other proportions as you may specifybe specified by the Representatives with the consent of the non-defaulting Initial Purchasers, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such datethe Closing Date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-one ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-one tenth of the aggregate principal amount of Securities to be purchased on such datethe Closing Date, and arrangements satisfactory to you the non-defaulting Initial Purchasers and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-non defaulting Initial Purchaser, Purchaser or of the Company or any Guarantor except that the Guarantorsprovisions of Sections 6(g), 8 and 11 hereof shall at all times be effective and shall survive such termination. In any such case either you the Representatives or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. As used in this Agreement, the term “Initial Purchaser” shall be deemed to include any person substituted for a defaulting Initial Purchaser under this Section 10. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it has or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you the Representative may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you the Representative and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-non- defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you the Representative or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Additional Securities to be sold on such Option Closing Date or (b) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or each Additional Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it has or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-one tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Underwritten Securities set forth opposite the names of all such non-non defaulting Initial Purchasers, or in such other proportions as you may specifybe specified by the Representatives, to purchase the Underwritten Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-one ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Underwritten Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Underwritten Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Underwritten Securities to be purchased on such date, and arrangements satisfactory to you the non-defaulting Initial Purchasers and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or except that the Guarantorsprovisions of Sections 6(g), 8 and 11 hereof shall at all times be effective and shall survive such termination. In any such case either you the Representatives or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. If, on an Additional Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Option Securities and the aggregate principal amount of Option Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Option Securities to be purchased on such Additional Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Option Securities to be sold on such Additional Closing Date or (b) purchase not less than the principal amount of Option Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. As used in this Agreement, the term “Initial Purchaser” shall be deemed to include any person substituted for a defaulting Initial Purchaser under this Section 10. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth one‑tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting non‑defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 9 by an amount in excess of one-ninth one‑ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth one‑tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting non‑defaulting Initial Purchaser, Purchaser or of the Company or the Guarantors. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors any Guarantor to comply with the terms of, or to fulfill any of the conditions of this Agreement, because of any termination pursuant to Section 8 hereof or if for any reason the Company or the Guarantors any Guarantor shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, Guarantors jointly and severally, agree that they severally will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-of- pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting nondefaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 11 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Issuer for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or Issuer and the Guarantors. In any such case either you or the Trust Issuer shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or Issuer and the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or Issuer and the Guarantors shall be unable to perform their its obligations under this Agreement, the Company Issuer and the Guarantors, jointly and severally, agree that they Guarantors will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it has or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specifybe specified by the Representatives with the consent of the non-defaulting Initial Purchasers, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such datethe Closing Date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it has or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such datethe Closing Date, and arrangements satisfactory to you the non-defaulting Initial Purchasers and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or any Guarantor except that the Guarantorsprovisions of Sections 6(g), 8 and 11 hereof shall at all times be effective and shall survive such termination. In any such case either you the Representatives or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. As used in this Agreement, the term “Initial Purchaser” shall be deemed to include any person substituted for a defaulting Initial Purchaser under this Section 10. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or the Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or of refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-one- tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. If, on the Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase Additional Securities or (b) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities the portion of a Series that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities such Series which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities such Series to be purchased on such date, the other Initial Purchasers that have agree to purchase hereunder a portion of such Series shall be obligated severally in the proportions that the principal amount of Securities such Series set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities such Series set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you Representatives may specify, to purchase the Securities portion of such Series which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities such Series that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 13 by an amount in excess of one-ninth of such principal amount of Securities such Series without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities the portion of a Series which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities such Series with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities such Series to be purchased on such date, and arrangements satisfactory to you and Representatives, the Trust Company or the Selling Noteholder, as applicable, for the purchase of such Securities Series are not made within 36 hours after such default, this Agreement shall terminate with respect to only such Series without liability on the part of any non-defaulting Initial Purchaser, Purchaser and the Company or the GuarantorsSelling Noteholder, as applicable. In any such case either you case, Representatives and the Company or the Trust Selling Noteholder, as applicable, shall have the right to postpone the Closing DateDate with respect to only such Series, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors Guarantor to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors Guarantor shall be unable to perform their its obligations under this Agreement, or the Selling Noteholder fails to tender the 2022 Notes for eventual delivery to the Initial Purchaser due to a failure by Abbott to consummate the Debt for Debt Exchange, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by hereunder but the Company and the Guarantors shall then be under no further liability to the any Initial Purchasers in the event Purchaser with respect this Agreement is terminated except as a result of a material change provided in Canadian tax law materially adversely affecting the Company Section 8(g) and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trustsSection 11 hereof.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities 4 3/8% Notes or 5 3/4% Notes, as the case may be, that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities such Notes which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities such series of Notes to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities such Notes set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities such series of Notes set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities such Notes which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities such series of Notes that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities such series of Notes without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities 4 3/8% Notes or 5 3/4% Notes, as the case may be, which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities such Notes with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities such series of Notes to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Securities Notes are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided PROVIDED that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or as a result of any of the provisions of Section 9 above, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-one tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specifybe specified by the Representative with the consent of the non-defaulting Initial Purchasers, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such datethe Closing Date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-one ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-one tenth of the aggregate principal amount of Securities to be purchased on such datethe Closing Date, and arrangements satisfactory to you the non-defaulting Initial Purchasers and the Trust Issuer for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial PurchaserPurchaser or of the Issuer or any Guarantor except that the provisions of Sections 6(g), the Company or the Guarantors8 and 11 hereof shall at all times be effective and shall survive such termination. In any such case either you the Representative or the Trust Issuer shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. As used in this Agreement, the term “Initial Purchaser” shall be deemed to include any person substituted for a defaulting Initial Purchaser under this Section 10. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities (for each series of Notes) which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities (for each series of Notes) to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, the Company Issuer or the GuarantorsCompany. In any such case either you or the Trust Issuer shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company Issuer or the Guarantors Company to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Issuer or the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company Issuer and the Guarantors, jointly and severally, agree that they Company will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Additional Securities to be sold on such Option Closing Date or (b) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, because of any termination pursuant to Section 9 hereof or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided PROVIDED that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsFFCA. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors FFCA to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors FFCA shall be unable to perform their respective obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they FFCA will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date or the Option Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that which it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of the Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you the Initial Purchasers may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the aggregate principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement Section 1 plus the maximum aggregate principal amount of Additional Securities which such Underwriter has the option to purchase be increased pursuant to this Section 10 9 by an amount in excess of one-ninth tenth of such the aggregate principal amount of such Securities without the written consent of such Initial Purchaser. If, on the Closing Date or the Option Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date date, and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you X.X. Xxxxxx Securities Inc. and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, the Company Purchaser or the GuarantorsCompany. In any such case either you X.X. Xxxxxx Securities Inc. or the Trust Company shall have the right to postpone the Closing Date or the Option Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or the Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph If, on the Option Closing Date, any Initial Purchaser or Initial Purchasers shall not relieve any fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased, the non-defaulting Initial Purchaser from liability in respect Purchasers shall have the option to (a) terminate their obligation hereunder to purchase Additional Securities or (b) purchase not less than the principal amount of any default of Additional Securities that such non-defaulting Initial Purchaser under this Agreement. Purchasers would have If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities Notes that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities Notes which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities Notes to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities Notes set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities Notes set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities Notes which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities Notes that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 11 by an amount in excess of one-ninth of such principal amount of Securities Notes without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities Notes which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities Notes with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities Notes to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Securities Notes are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Additional Securities to be sold on such Option Closing Date or (b) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial limited Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers Purchaser in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth one eleventh of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-non defaulting Initial Purchasers, or in such other proportions as you may specifybe specified by Mxxxxx Sxxxxxx with the consent of the non-defaulting Initial Purchasers, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such datethe Closing Date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-one ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth one eleventh of the aggregate principal amount of Securities to be purchased on such datethe Closing Date, and arrangements satisfactory to you the non-defaulting Initial Purchasers and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or except that the Guarantorsprovisions of Sections 6(g), 8 and 11 hereof shall at all times be effective and shall survive such termination. In any such case either you Mxxxxx Sxxxxxx or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. As used in this Agreement, the term “Initial Purchaser” shall be deemed to include any person substituted for a defaulting Initial Purchaser under this Section 10. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts. 11.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Additional Securities to be sold on such Option Closing Date or (b) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors any Guarantor to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors any Guarantor shall be unable to perform their its obligations under this Agreement, the Company and each of the Guarantors, Guarantors jointly and severally, severally agree that they will to reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it has or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 12 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Firm Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, the Company Purchaser or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Pricing Disclosure Package or the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (i) terminate their obligation hereunder to purchase the Additional Securities or (ii) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, Date any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that which it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-one tenth of the aggregate principal amount of the Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I (in the column titled “Total”) bears to the aggregate principal amount of Securities set forth opposite the names of all such non-non defaulting Initial PurchasersPurchasers (in the column titled “Total”), or in such other proportions as you the Initial Purchasers may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement Section 1 be increased pursuant to this Section 10 9 by an amount in excess of one-ninth one tenth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date date, and the aggregate principal amount of Securities with respect to which such default occurs is more than one-one tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you the Initial Purchasers and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-non defaulting Initial Purchaser, the Company Purchaser or the GuarantorsCompany. In any such case either you the Initial Purchasers or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Additional Securities to be sold on such Option Closing Date or (b) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided. Notwithstanding the foregoing sentence, howeverif, that no such reimbursement shall be required after the Closing Date but prior to be paid any Option Closing Date with respect to the purchase of any Additional Securities pursuant to a notice delivered by the Representative to the Company and under Section 2 hereof, the Guarantors Company fails or refuses to comply with the terms or to fulfill any of the conditions of the Agreement in connection with such Option Closing Date, the Company will reimburse the Initial Purchasers severally only for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with the event proposed purchase of any such Additional Securities pursuant to this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trustsAgreement.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or the Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you and you, the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. If, on the Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased on the Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Additional Securities to be sold on the Option Closing Date or (b) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors any Guarantor to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors any Guarantor shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all documented out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, the Company Issuer or the GuarantorsCompany. In any such case either you or the Trust Issuer shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company Issuer or the Guarantors Company to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Issuer or the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company Issuer and the Guarantors, jointly and severally, agree that they Company will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities Units that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount number of Securities Units which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount number of Securities Units to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount number of Securities Units set forth opposite their respective names in Schedule I bears to the aggregate principal amount number of Securities Units set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities Units which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount number of Securities Units that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount number of Securities Units without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities Units which it or they have agreed to purchase hereunder on such date and the aggregate principal amount number of Securities Units with respect to which such default occurs is more than one-tenth of the aggregate principal amount number of Securities Units to be purchased on such date, date and arrangements satisfactory to you and the Trust Company for the purchase of such Securities Units are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-one tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which that such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-one ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-one tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or and the Guarantors. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or any of the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they Guarantors will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-out of pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or the Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. If, on the Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase Additional Securities or (b) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-one tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-non defaulting Initial Purchasers, or in such other proportions as you may specifybe specified by the Representative with the consent of the non-defaulting Initial Purchasers, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such datethe Closing Date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-one ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-one tenth of the aggregate principal amount of Securities to be purchased on such datethe Closing Date, and arrangements satisfactory to you the non-defaulting Initial Purchasers and the Trust Issuer for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial PurchaserPurchaser or of the Issuer or any Guarantor except that the provisions of Sections 6(g), the Company or the Guarantors8 and 11 hereof shall at all times be effective and shall survive such termination. In any such case either you the Representative or the Trust Issuer shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. As used in this Agreement, the term “Initial Purchaser” shall be deemed to include any person substituted for a defaulting Initial Purchaser under this Section 10. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, Purchasers because of any failure or refusal on the part of the Issuer, the Company or the Guarantors any Guarantor to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Issuer, the Company or the Guarantors any Guarantor shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they Issuer will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselvesPurchasers, severally, upon demand for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers Purchaser in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such 18 date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, Date any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that which it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of the Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I (in the column titled "Total") bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial PurchasersPurchasers (in the column titled "Total"), or in such other proportions as you the Initial Purchasers may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement Section 1 be increased pursuant to this Section 10 8 by an amount in excess of one-ninth tenth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date date, and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you the Initial Purchasers and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, the Company Purchaser or the GuarantorsCompany. In any such case either you the Initial Purchasers or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it has or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of the Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Firm Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Operating Partnership for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, the Company or the GuarantorsOperating Partnership. In any such case either you or the Trust Company and the Operating Partnership shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (i) terminate their obligation hereunder to purchase the Additional Securities to be sold on such Option Closing Date or (ii) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 12 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Authority for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsAuthority. In any such case either you or the Trust Authority shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors Authority to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors Authority shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they Authority will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities Notes that it has or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities Notes which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities the Notes to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the aggregate principal amount of Securities Notes set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities Notes set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you the Representatives may specify, to purchase the Securities Notes which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the aggregate principal amount of Securities Notes that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such aggregate principal amount of Securities Notes without the written consent of such Initial Purchaser. If, on the Closing Date Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date Notes and the aggregate principal amount of Securities Notes with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities Notes to be purchased on such datepurchased, and arrangements satisfactory to you the Representatives and the Trust Company for the purchase of such Securities Notes are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, the Company or the GuarantorsGuarantor, except that the provisions of Sections 7 (Expenses), 8 (Indemnity and Contribution) and 17 (Governing Law Provisions) shall at all times be effective and shall survive such termination. In any such case either you the Representatives or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Preliminary Offering Memorandum and the Final Offering Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under As used in this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the term “Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement Purchasers” shall be required deemed to be paid by the Company and the Guarantors to the include any person substituted for a defaulting Initial Purchasers in the event Purchaser under this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trustsSection 10.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the Guarantors. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors any Guarantor shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Firm Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Additional Securities to be sold on such Option Closing Date or (b) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 9 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Disclosure Package, the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will shall reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, If on the Closing Date, or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Additional Securities to be sold on such Option Closing Date or (b) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers Purchasers, or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount number of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth one‑tenth of the aggregate principal amount number of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount number of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount number of Firm Securities set forth opposite the names of all such non-defaulting non‑defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount number of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth one‑ninth of such principal amount number of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount number of Securities with respect to which such default occurs is more than one-tenth one‑tenth of the aggregate principal amount number of Firm Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting non‑defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate number of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate number of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Additional Securities to be sold on such Option Closing Date or (b) purchase not less than the number of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability to the Company, any other Initial Purchaser or otherwise in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-one tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specifybe specified by the Representatives with the consent of the non-defaulting Initial Purchasers, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such datethe Closing Date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-one ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-one tenth of the aggregate principal amount of Securities to be purchased on such datethe Closing Date, and arrangements satisfactory to you the non-defaulting Initial Purchasers and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or any Guarantor except that the Guarantorsprovisions of Sections 6(g), 8 and 11 hereof shall at all times be effective and shall survive such termination. In any such case either you the Representatives or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. As used in this Agreement, the term “Initial Purchaser” shall be deemed to include any person substituted for a defaulting Initial Purchaser under this Section 10. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or as a result of any of the provisions of Section 9 above, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.reasonably

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-one tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-non defaulting Initial Purchasers, or in such other proportions as you may specifybe specified by the Initial Purchasers with the consent of the non-defaulting Initial Purchasers, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such datethe Closing Date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-one ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-one tenth of the aggregate principal amount of Securities to be purchased on such datethe Closing Date, and arrangements satisfactory to you the non-defaulting Initial Purchasers and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-non defaulting Initial Purchaser, Purchaser or of the Company or except that the Guarantorsprovisions of Sections 6(g), 8 and 11 hereof shall at all times be effective and shall survive such termination. In any such case either you the Initial Purchasers or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. As used in this Agreement, the term “Initial Purchaser” shall be deemed to include any person substituted for a defaulting Initial Purchaser under this Section 10. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Additional Securities to be sold on such Option Closing Date or (b) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it has or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you the Representatives may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided provided, that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you the Representatives and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you the Representatives or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Additional Securities to be sold on such Option Closing Date or (b) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this AgreementAgreement (except if the Company shall be unable to so perform as a result of any default by any Initial Purchaser as contemplated above), the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, Date any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that which it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of the Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you the Initial Purchasers may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement Section 1 be increased pursuant to this Section 10 9 by an amount in excess of one-ninth tenth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date date, and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you the Initial Purchasers and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, the Company Purchaser or the GuarantorsCompany. In any such case either you the Initial Purchasers or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Offering Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it has or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth one‑tenth of the aggregate principal amount of the Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I II bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting non‑defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth one‑ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth one‑tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting non‑defaulting Initial Purchaser, the Company Purchaser or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Pricing Disclosure Package, in the Final Offering Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, Agreement the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket out‑of‑pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Issuers for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, the Company Purchaser or the Guarantorsof any Issuer or Guarantor. In any such case either you or the Trust Issuers shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company any Issuer or the Guarantors Guarantor to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company for any reason any Issuer or the Guarantors Guarantor shall be unable to perform their its obligations under this Agreement, the Company Issuers and the Guarantors, jointly and severally, agree that they Guarantors will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all documented out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase the Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities the Securities, which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities the Securities, to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of the Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of the Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities Securities, which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of the Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of the Securities without the written consent of such Initial Purchaser. If, on the Closing Date Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities the Securities, which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of the Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of the Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the Guarantors. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the any Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the any Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they Guarantors will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Firm Securities are not made within 36 24 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Additional Securities to be sold on such Option Closing Date or (b) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this AgreementAgreement within the control of the Company, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this AgreementAgreement due to circumstances within the control of the Company, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. The respective indemnities, agreements, representations, warranties and other statements of the Company, the Guarantors, their respective officers and the several Initial Purchasers set forth in or made pursuant to this Agreement will remain in full force and effect, regardless of any investigation made by or on behalf of any Initial Purchaser, the Company, any Guarantor or any of their officers or directors or any controlling person, as the case may be, and will survive delivery of and payment for the Securities sold hereunder and any termination of this Agreement. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 9 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Additional Securities to be sold on such Option Closing Date or (b) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 11 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company Company, the Issuing Subsidiary or the Guarantors any Guarantor to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company Company, the Issuing Subsidiary or the Guarantors any Guarantor shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth one‑tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting non‑defaulting Initial Purchasers, or in such other proportions as you the Representatives may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth one‑ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth one‑tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you the Representatives and the Trust Company and Pluralsight LLC for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting non‑defaulting Initial Purchaser, Purchaser or of the Company or the Guarantorsand Pluralsight LLC. In any such case either you the Representatives or the Trust Company and Pluralsight LLC shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Additional Securities to be sold on such Option Closing Date or (b) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, pursuant to Section 9 above or because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it has or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you the Representatives may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it has or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you the Representatives and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you the Representatives or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Additional Securities to be sold on such Option Closing Date or (b) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions pro portions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven business days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.Initial

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. The respective indemnities, agreements, representations, warranties and other statements of the Company, the Guarantors, their respective officers and the several Initial Purchasers set forth in or made pursuant to this Agreement will remain in full force and effect, regardless of any investigation made by or on behalf of any Initial Purchaser, the Company, any Guarantor or any of their officers or directors or any controlling person, as the case may be, and will survive delivery of and payment for the Securities sold hereunder and any termination of this Agreement. If, on the Closing Date, any one or more of the several Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such datethe Closing Date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such datethe Closing Date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such datethe Closing Date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Circular, the Final Memorandum Circular or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it has or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of the Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 11 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Firm Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Operating Partnership for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, the Company or the GuarantorsOperating Partnership. In any such case either you or the Trust Company and the Operating Partnership shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Preliminary Memorandum, the Time of Sale Memorandum and the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (i) terminate their obligation hereunder to purchase the Additional Securities to be sold on such Option Closing Date or (ii) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors Operating Partnership to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors Operating Partnership shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they Operating Partnership will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities Units that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount number of Securities Units which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount number of Securities Units to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount number of Securities Units set forth opposite their respective names in Schedule I bears to the aggregate principal amount number of Securities Units set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities Units which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount number of Securities Units that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount number of Securities Units without the written consent of such Initial Purchaser. If, If on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities Units which it or they have agreed to purchase hereunder on such date and the aggregate principal amount number of Securities Units with respect to which such default 21 occurs is more than one-tenth of the aggregate principal amount number of Securities Units to be purchased on such date, date and arrangements satisfactory to you and the Trust Company for the purchase of such Securities Units are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount number of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount number of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount number of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount number of Firm Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount number of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount number of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount number of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount number of Firm Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate number of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate number of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Additional Securities to be sold on such Option Closing Date or (b) purchase not less than the number of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it has or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-one tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-non defaulting Initial Purchasers, or in such other proportions as you may specifybe specified by the Representative with the consent of the non-defaulting Initial Purchasers, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such datethe Closing Date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-one ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-one tenth of the aggregate principal amount of Securities to be purchased on such datethe Closing Date, and arrangements satisfactory to the you and the Trust Issuers for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial PurchaserPurchaser or of the Issuers or any Guarantor except that the provisions of Sections 6(g), the Company or the Guarantors8 and 11 hereof shall at all times be effective and shall survive such termination. In any such case either you the Representative or the Trust Issuers shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. As used in this Agreement, the term “Initial Purchaser” shall be deemed to include any person substituted for a defaulting Initial Purchaser under this Section 10. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-one tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-non defaulting Initial Purchasers, or in such other proportions as you may specifybe specified by the Representative with the consent of the non-defaulting Initial Purchasers, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such datethe Closing Date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-one ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-one tenth of the aggregate principal amount of Securities to be purchased on such datethe Closing Date, and arrangements satisfactory to you the non-defaulting Initial Purchasers and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-non defaulting Initial Purchaser, Purchaser or of the Company or any Guarantor except that the Guarantorsprovisions of Sections 6(g), 8 and 11 hereof shall at all times be effective and shall survive such termination. In any such case either you the Representative or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. As used in this Agreement, the term “Initial Purchaser” shall be deemed to include any person substituted for a defaulting Initial Purchaser under this Section 10. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it has or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth one‑tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting non‑defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 ‎10 by an amount in excess of one-ninth one‑ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth one‑tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting non‑defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Additional Securities to be sold on such Option Closing Date or (b) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this AgreementAgreement (which, for purposes of this Section 10, shall not include termination by the Initial Purchasers under items (iii)-(v) of Section 9), the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date or an Option Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Firm Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth one‑tenth of the aggregate principal amount of Firm Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting non‑defaulting Initial Purchasers, or in such other proportions as you may specifybe specified by the Representatives with the consent of the non-defaulting Initial Purchasers, to purchase the Firm Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such datethe Closing Date; provided that in no event shall the principal amount of Firm Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth one‑ninth of such principal amount of Firm Securities without the written consent of such Initial Purchaser. If, on the Closing Date Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase the Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Firm Securities with respect to which such default occurs is more than one-tenth one‑tenth of the aggregate principal amount of Firm Securities to be purchased on such datethe Closing Date, and arrangements satisfactory to you the non-defaulting Initial Purchasers and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting non‑defaulting Initial Purchaser, Purchaser or of the Company or except that the Guarantorsprovisions of Sections ‎6(g), ‎8 and ‎11 hereof shall at all times be effective and shall survive such termination. In any such case either you the Representatives or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Optional Securities and the aggregate principal amount of Optional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Optional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Optional Securities to be sold on such Option Closing Date or (b) purchase not less than the principal amount of Optional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. As used in this Agreement, the term “Initial Purchaser” shall be deemed to include any person substituted for a defaulting Initial Purchaser under this Section ‎10. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase and pay for any of the Securities that it or they have agreed to purchase hereunder on such date, and such failure to purchase shall constitute a default in the aggregate principal performance of its or their obligations under this Agreement, the remaining Initial Purchasers shall be obligated severally to take up and pay for (in the respective proportions which the amount of Securities set forth opposite their names in Schedule II hereto bears to the aggregate amount of Securities set forth opposite their names of all the remaining Initial Purchasers) the Securities which such the defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of purchase; provided, however, that in the event that the aggregate principal amount of Securities to be purchased on such date, which the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall exceed 10% of the principal aggregate amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount set forth in excess of one-ninth of such principal amount of Securities without Schedule II hereto, the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or remaining Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, the Company or the Guarantors. In any such case either you or the Trust shall have the right to postpone purchase all, but shall not be under any obligation to purchase any, of the Securities, and if such nondefaulting Underwriters do not purchase all the Securities, this Agreement will terminate without liability to any nondefaulting Initial Purchaser or the Company. In the event of a default by any Initial Purchaser as set forth in this Section 10, the Closing DateDate shall be postponed for such period, but in no event for longer than not exceeding seven days, as the Representatives shall determine in order that the required changes, if any, changes in the Final Memorandum Offering Circular or in any other documents or arrangements may be effectedeffective. Any action taken under Nothing contained in this paragraph Agreement shall not relieve any defaulting Initial Purchaser from liability in respect of its liability, if any, to the Company and any default of such nondefaulting Initial Purchaser under this Agreementfor damages occasioned by its default hereunder. If this Agreement shall be terminated by the sale of the Securities provided for herein is not consummated because any condition to the obligations of the Initial Purchasers, or any of them, Purchasers set forth in Section 5 hereof is not satisfied because of any refusal, inability or failure or refusal on the part of the Company to perform any agreement herein or the Guarantors to comply with the terms of, or to fulfill any provision hereof other than by reason of a default by any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under this AgreementInitial Purchasers, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, severally upon demand for all reasonable out-of-pocket expenses (including the reasonable fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.and

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth one‑tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting non‑defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 9 by an amount in excess of one-ninth one‑ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth one‑tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting non‑defaulting Initial Purchaser, Purchaser or of the Company or the Guarantors. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors any Guarantor to comply with the terms of, or to fulfill any of the conditions of this Agreement, because of any termination pursuant to Section 8 hereof or if for any reason the Company or the Guarantors any Guarantor shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, Guarantors jointly and severally, agree that they severally will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it has or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specifybe specified by the Representative with the consent of the non-defaulting Initial Purchasers, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such datethe Closing Date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it has or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such datethe Closing Date, and arrangements satisfactory to you the non-defaulting Initial Purchasers and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or any Guarantor except that the Guarantorsprovisions of Sections 6(g), 8 and 11 hereof shall at all times be effective and shall survive such termination. In any such case either you the Representative or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. As used in this Agreement, the term “Initial Purchaser” shall be deemed to include any person substituted for a defaulting Initial Purchaser under this Section 10. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you the Representatives may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you the Representatives and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you the Representatives or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Additional Securities to be sold on such Option Closing Date or (b) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this AgreementAgreement (which, for purposes of this Section 10, shall not include termination by the Initial Purchasers under items (i), (iii), (iv) or (v) of Section 9), the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or an Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it has or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you the Representative may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you the Representative and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you the Representative or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. If, on an Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased on such Option Closing Date, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase the Additional Securities to be sold on such Option Closing Date or (b) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Issuers for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsIssuers. In any such case either you or the Trust Issuers shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company Company, Centennial Cellular or the Guarantors Centennial PR to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company Company, Centennial Cellular or the Guarantors Centennial PR shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they Issuers will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the reasonable fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers counsel in connection with this Agreement or the offering contemplated hereunder; provided, however, provided that the Issuers shall have no obligation to reimburse any Initial Purchaser that has breached its obligations hereunder for any such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trustsout-of-pocket expenses.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date or the Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it has or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Firm Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. If, on the Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase Additional Securities or (b) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-out- of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they Guarantors will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided. If this Agreement is terminated by reason of the default of one or more of the Initial Purchasers, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors shall not be obligated to the reimburse each such defaulting Initial Purchasers in the event this Agreement is terminated as a result Purchaser on account of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trustssuch expenses.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-one tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specifybe specified by the Representatives with the consent of the non-defaulting Initial Purchasers, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such datethe Closing Date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth eleventh of such aggregate principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-one tenth of the aggregate principal amount of Securities to be purchased on such datethe Closing Date, and arrangements satisfactory to you the non-defaulting Initial Purchasers and the Trust Issuers for the purchase of such Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial PurchaserPurchaser or of the Issuers or any Guarantors except that the provisions of Sections 6(g), the Company or the Guarantors8 and 11 hereof shall at all times be effective and shall survive such termination. In any such case either you the Representatives or the Trust Issuers shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Time of Sale Memorandum, the Final Memorandum or in any other documents or arrangements may be effected. As used in this Agreement, the term “Initial Purchaser” shall be deemed to include any person substituted for a defaulting Initial Purchaser under this Section 10. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement, or if the Company or the Guarantors shall be unable to perform their obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.

Effectiveness; Defaulting Initial Purchasers. This Agreement shall become effective upon the execution and delivery hereof by the parties hereto. If, on the Closing Date, or the Option Closing Date, as the case may be, any one or more of the Initial Purchasers shall fail or refuse to purchase Securities that it or they have agreed to purchase hereunder on such date, and the aggregate principal amount of Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase is not more than one-tenth of the aggregate principal amount of Securities to be purchased on such date, the other Initial Purchasers shall be obligated severally in the proportions that the principal amount of Firm Securities set forth opposite their respective names in Schedule I bears to the aggregate principal amount of Firm Securities set forth opposite the names of all such non-defaulting Initial Purchasers, or in such other proportions as you may specify, to purchase the Securities which such defaulting Initial Purchaser or Initial Purchasers agreed but failed or refused to purchase on such date; provided that in no event shall the principal amount of Securities that any Initial Purchaser has agreed to purchase pursuant to this Agreement be increased pursuant to this Section 10 by an amount in excess of one-ninth of such principal amount of Securities without the written consent of such Initial Purchaser. If, on the Closing Date any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Securities which it or they have agreed to purchase hereunder on such date and the aggregate principal amount of Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Firm Securities to be purchased on such date, and arrangements satisfactory to you and the Trust Company for the purchase of such Firm Securities are not made within 36 hours after such default, this Agreement shall terminate without liability on the part of any non-defaulting Initial Purchaser, Purchaser or of the Company or the GuarantorsCompany. In any such case either you or the Trust Company shall have the right to postpone the Closing Date, but in no event for longer than seven days, in order that the required changes, if any, in the Final Memorandum or in any other documents or arrangements may be effected. If, on the Option Closing Date, any Initial Purchaser or Initial Purchasers shall fail or refuse to purchase Additional Securities and the aggregate principal amount of Additional Securities with respect to which such default occurs is more than one-tenth of the aggregate principal amount of Additional Securities to be purchased, the non-defaulting Initial Purchasers shall have the option to (a) terminate their obligation hereunder to purchase Additional Securities or (b) purchase not less than the principal amount of Additional Securities that such non-defaulting Initial Purchasers would have been obligated to purchase in the absence of such default. Any action taken under this paragraph shall not relieve any defaulting Initial Purchaser from liability in respect of any default of such Initial Purchaser under this Agreement. If this Agreement shall be properly terminated by the Initial Purchasers, or any of them, because of any failure or refusal on the part of the Company or the Guarantors to comply with the terms of, or to fulfill any of the conditions of this Agreement required to be performed or fulfilled by the Company pursuant to this Agreement, or if for any reason the Company or the Guarantors shall be unable to perform their its obligations under this Agreement, the Company and the Guarantors, jointly and severally, agree that they will reimburse the Initial Purchasers or such Initial Purchasers as have so terminated this Agreement with respect to themselves, severally, for all out-of-pocket expenses (including the fees and disbursements of their counsel) reasonably incurred by such Initial Purchasers in connection with this Agreement or the offering contemplated hereunder; provided, however, that no such reimbursement shall be required to be paid by the Company and the Guarantors to the Initial Purchasers in the event this Agreement is terminated as a result of a material change in Canadian tax law materially adversely affecting the Company and the Guarantors which also materially adversely affects substantially all Canadian oil and gas royalty trusts.