Agreement, dated as of October 17, 2017, pursuant to Amended and Restated Credit Agreement dated as of August 14, 2015, as amended, among Entergy Arkansas, Inc., as the Borrower, the banks and other financial institutions party thereto as Lenders, Citibank, N.A., as Administrative Agent and as an LC Issuing Bank, and the other LC Issuing Banks party thereto

Citibank, N.A.

JPMorgan Chase Bank, N.A.

Wells Fargo Bank, National Association

BNP Paribas

Mizuho Bank, Ltd.

The Bank of Nova Scotia

The Bank of Tokyo-Mitsubishi UFJ, Ltd.,

each severally as an LC Issuing Bank under the

Credit Agreement (as defined below)

Ladies and Gentlemen:

Reference is made to the Amended and Restated Credit Agreement, dated as of August 14, 2015 (as amended, restated, modified or otherwise supplemented prior to the date hereof, the “Credit Agreement”), among Entergy Arkansas, Inc., as the Borrower, the banks and other financial institutions party thereto as Lenders, Citibank, N.A., as Administrative Agent and as an LC Issuing Bank, and the other LC Issuing Banks party thereto. Unless otherwise indicated, capitalized terms used herein and not otherwise defined herein have the meanings given such terms in the Credit Agreement.

Section 1. Modification of LC Fronting Commitments. Pursuant to the definition of Fronting Commitment, each LC Issuing Bank severally agrees with the Borrower to modify its respective Fronting Commitment to the respective amount listed opposite its name in the attached Schedule III Fronting Commitment Schedule and that such attached Schedule III Fronting Commitment Schedule shall replace the existing schedule attached as Schedule III to the Credit Agreement with respect to such LC Issuing Bank’s Fronting Commitment.

Section 2. Effectiveness of Agreement. Section 1 above shall be effective with respect to any LC Issuing Bank as of the date hereof when and if the Administrative Agent under the Credit Agreement shall have received counterparts of this agreement (this “Agreement”), duly executed by the Borrower and such LC Issuing Bank.

Section 3. Counterparts. This Agreement may be executed in any number of counterparts and by different parties hereto in separate counterparts, each of which when so executed shall be deemed to be an original and all of which taken together shall constitute one and the same agreement. Delivery of an executed counterpart of a signature page of this Agreement by facsimile or in electronic (i.e., “pdf” or “tif”) format shall be effective as delivery of a manually executed counterpart of this Agreement.

Section 4. Governing Law. This Agreement shall be governed by, and construed in accordance with, the laws of the State of New York.

Please indicate your agreement to the foregoing by signing and returning a counterpart to this Amendment by facsimile or e-mail to Ryan Garka (fax no. 704 ###-###-####, Attention: Ryan Garka / ***@***).

Very truly yours,

MIZUHO BANK, LTD., as LC Issuing Bank