Common use of Obligations of the Underwriters Clause in Contracts

Obligations of the Underwriters. The obligations of the Underwriters under this Agreement shall be several in all respects and not joint or joint and several. For greater certainty, the obligations of the Underwriters to purchase the Offered Shares shall be several and not joint or joint and several, and shall be limited to the percentages of the aggregate number of Offered Shares to be purchased set out opposite the names of the Underwriters respectively below: Beacon Securities Limited — 65 % GMP Securities L.P. — 35 % If an Underwriter does not complete the purchase and sale of the Offered Shares which that Underwriter has agreed to purchase under this Agreement (other than in accordance with Section 37 of this Agreement) (the “Defaulted Shares”), Beacon may delay the Closing Date for not more than three days without the prior written consent of the Company, and the remaining Underwriter (the “Continuing Underwriter”) will be entitled, at its option, to purchase all but not less than all of the Defaulted Shares. If the Continuing Underwriter does not elect to purchase the Defaulted Shares:

Obligations of the Underwriters. The obligations of the Underwriters under this Agreement shall be several in all respects and not joint or joint and several. For greater certainty, the obligations of the Underwriters to purchase the Offered Shares Units shall be several and not joint or joint and several, and shall be limited to the percentages of the aggregate number of Offered Shares Units to be purchased set out opposite the names of the Underwriters respectively below: Beacon Securities Limited — 65 - 50% GMP Securities L.P. — 35 Canaccord Genuity Corp. - 50% If an Underwriter does not complete the purchase and sale of the Offered Shares Units which that Underwriter has agreed to purchase under this Agreement (other than in accordance with Section 37 18 of this Agreement) (the “Defaulted SharesUnits”), Beacon may delay the Closing Date for not more than three five days without the prior written consent of the Company, and the remaining Underwriter (the “Continuing Underwriter”) will be entitled, at its option, to purchase all but not less than all of the Defaulted SharesUnits. If the Continuing Underwriter does not elect to purchase the Defaulted SharesUnits:

Obligations of the Underwriters. The obligations of the Underwriters under this Agreement shall be several in all respects and not joint or joint and several. For greater certainty, the obligations of the Underwriters to purchase the Offered Shares Units shall be several and not joint or joint and several, and shall be limited to the percentages of the aggregate number of Offered Shares Units to be purchased set out opposite the names of the Underwriters respectively below: Beacon Securities Limited — 65 - 60% GMP Canaccord Genuity Corp. - 20% Cormark Securities L.P. — 35 Inc. - 20% If an Underwriter does not complete the purchase and sale of the Offered Shares Units which that Underwriter has agreed to purchase under this Agreement (other than in accordance with Section 37 18 of this Agreement) (the “Defaulted SharesUnits”), Beacon the Lead Underwriter may delay the Closing Date for not more than three five days without the prior written consent of the Company, and the remaining Underwriter Underwriters (the “Continuing UnderwriterUnderwriters”) will be entitled, at its their option, to purchase all but not less than all of the Defaulted SharesUnits pro rata according to the number of Offered Units to have been acquired by the Continuing Underwriters under this Agreement or in any proportion agreed upon, in writing, by the Continuing Underwriters. If the Continuing Underwriter does do not elect to purchase the Defaulted SharesUnits:

Obligations of the Underwriters. The obligations of the Underwriters under this Agreement shall be several in all respects and not joint or joint and several. For greater certainty, the obligations of the Underwriters to purchase the Offered Shares Units shall be several and not joint or joint and several, and shall be limited to the percentages of the aggregate number of Offered Shares Units to be purchased set out opposite the names of the Underwriters respectively below: Canaccord Genuity Corp. - 50% Beacon Securities Limited — 65 % GMP Securities L.P. — 35 - 50% If an Underwriter does not complete the purchase and sale of the Offered Shares Units which that Underwriter has agreed to purchase under this Agreement (other than in accordance with Section 37 18 of this Agreement) (the “Defaulted SharesUnits”), Beacon Canaccord may delay the Closing Date for not more than three five days without the prior written consent of the Company, and the remaining Underwriter (the “Continuing Underwriter”) will be entitled, at its option, to purchase all but not less than all of the Defaulted SharesUnits. If the Continuing Underwriter does not elect to purchase the Defaulted SharesUnits:

Obligations of the Underwriters. The obligations of the Underwriters under this Agreement shall be several in all respects and not joint or joint and several. For greater certainty, the obligations of the Underwriters to purchase the Offered Shares shall be several and not joint or joint and several, and shall be limited to the percentages of the aggregate number of Offered Shares to be purchased set out opposite the names of the Underwriters respectively below: Beacon Securities Limited — 65 - 85 % GMP Securities L.P. — 35 Echelon Wealth Partners Inc. - 15 % If an Underwriter does not complete the purchase and sale of the Offered Shares which that Underwriter has agreed to purchase under this Agreement (other than in accordance with Section 37 of this Agreement) (the “Defaulted Shares”), Beacon may delay the Closing Date for not more than three days without the prior written consent of the Company, and the remaining Underwriter (the “Continuing Underwriter”) will be entitled, at its option, to purchase all but not less than all of the Defaulted Shares. If the Continuing Underwriter does not elect to purchase the Defaulted Shares: