Common use of Acceptable Modification Clause in Contracts

Acceptable Modification. Insert an additional signature line at the end of signature block: By: Title: Schedule 2 to the Form of Guaranty Schedule 2 to the Form of Guaranty contains modifications to be used in the event that a party chooses to execute a single guaranty for MidAmerican Energy Company with respect to all outstanding Fixed Price Customer Supply Contract obligations. FORM OF GUARANTY THIS GUARANTY (this “Guaranty”), dated as of , 20 , is made by (the “Guarantor”), a organized and existing under the laws of , in favor of MidAmerican Energy Company (the “Beneficiary”), a corporation organized and existing under the laws of the State of Iowa. Terms not defined herein shall have the meanings given to them in each of the Confirmation Agreements dated , 20 (as amended, modified or extended from time to time, each an the “Agreement” and collectively, the “Agreements”), between the Beneficiary and , a organized and existing under the laws of (the “Counterparty”). This Guaranty is made by Guarantor in consideration for, and as an inducement for the Beneficiary to enter into, the applicable Agreements with the Counterparty. Guarantor, subject to the terms and conditions hereof, hereby unconditionally, irrevocably and absolutely guarantees to the Beneficiary the full and prompt payment and performance when due, subject to any applicable grace period, of all payment obligations of the Counterparty to the Beneficiary arising out of the Agreements. Without limiting the generality of the foregoing, Guarantor further agrees as follows:

Acceptable Modification. Insert an additional signature line at the end of signature block: By: Title: Schedule 2 to the Form of Guaranty Schedule 2 to the Form of Guaranty contains modifications to be used in the event that a party chooses to execute a single guaranty for MidAmerican Energy Company with respect to all outstanding Fixed Price Customer Supply Contract obligations. FORM OF GUARANTY THIS GUARANTY (this “Guaranty”), dated as of , 20 , is made by (the “Guarantor”), a organized and existing under the laws of , in favor of MidAmerican Energy Company (the “Beneficiary”), a corporation organized and existing under the laws of the State of Iowa. Terms not defined herein shall have the meanings given to them in each of the Confirmation Agreements dated , 20 (as amended, modified or extended from time to time, each an the “Agreement” and collectively, the “Agreements”), between the Beneficiary and , a organized and existing under the laws of (the “Counterparty”). This Guaranty is made by Guarantor in consideration for, and as an inducement for the Beneficiary to enter into, the applicable Agreements with the Counterparty. Guarantor, subject to the terms and conditions hereof, hereby unconditionally, irrevocably and absolutely guarantees to the Beneficiary the full and prompt payment and performance when due, subject to any applicable grace period, of all payment obligations of the Counterparty to the Beneficiary arising out of the Agreements. Without limiting the generality of the foregoing, Guarantor Xxxxxxxxx further agrees as follows:

Acceptable Modification. Insert an additional signature line at the end of signature block: By: :_____________________________ Title: Schedule 2 to the Form of Guaranty Schedule 2 to the Form of Guaranty contains modifications to be used in the event that a party chooses to execute a single guaranty for MidAmerican Energy Company with respect to all outstanding Fixed Price Customer Supply Contract obligationsREC contracts. FORM OF GUARANTY THIS GUARANTY (this “Guaranty”), dated as of ____________________, 20 20__, is made by _________________ (the “Guarantor”), a ___________ organized and existing under the laws of _________________, in favor of MidAmerican Energy Company (the “Beneficiary”), a corporation organized and existing under the laws of the State of Iowa. Terms not defined herein shall have the meanings given to them in each of the Confirmation Agreements dated , 20 REC Contracts (as amended, modified or extended from time to time, each an the “Agreement” and collectively, the “Agreements”), between the Beneficiary and _______________________, a ___________________ organized and existing under the laws of _______________ (the “Counterparty”). This Guaranty is made by Guarantor in consideration for, and as an inducement for the Beneficiary to enter into, the applicable Agreements with the Counterparty. Guarantor, subject to the terms and conditions hereof, hereby unconditionally, irrevocably and absolutely guarantees to the Beneficiary the full and prompt payment and performance when due, subject to any applicable grace period, of all payment obligations of the Counterparty to the Beneficiary arising out of the Agreements. Without limiting the generality of the foregoing, Guarantor further agrees as follows:

Acceptable Modification. Insert an additional signature line at the end of signature block: By: :_____________________________ Title: Schedule 2 to the Form of Guaranty Schedule 2 to the Form of Guaranty contains modifications to be used in the event that a party chooses to execute a single guaranty for MidAmerican Energy Company with respect to all outstanding Fixed Price Customer Supply Contract obligationsREC contracts. FORM OF GUARANTY THIS GUARANTY (this “Guaranty”), dated as of ____________________, 20 20__, is made by _________________ (the “Guarantor”), a ___________ organized and existing under the laws of _________________, in favor of MidAmerican Energy Company (the “Beneficiary”), a corporation organized and existing under the laws of the State of Iowa. Terms not defined herein shall have the meanings given to them in each of the Confirmation Agreements dated , 20 REC Contracts (as amended, modified or extended from time to time, each an the “Agreement” and collectively, the “Agreements”), between the Beneficiary and _______________________, a ___________________ organized and existing under the laws of _______________ (the “Counterparty”). This Guaranty is made by Guarantor in consideration for, and as an inducement for the Beneficiary to enter into, the applicable Agreements with the Counterparty. Guarantor, subject to the terms and conditions hereof, hereby unconditionally, irrevocably and absolutely guarantees to the Beneficiary the full and prompt payment and performance when due, subject to any applicable grace period, of all payment obligations of the Counterparty to the Beneficiary arising out of the Agreements. Without limiting the generality of the foregoing, Guarantor Xxxxxxxxx further agrees as follows: