Extension of the Term of the Executive Employment Agreement, effective January 1, 2019, between W. Craig Jelinek and Costco Wholesale Corporation

Dear Tony:

As provided for under section 7(b) of the Executive Employment Agreement, effective January 1, 2017, between Costco Wholesale Corp. and me, this letter will confirm an extension of the term through and including December 31, 2019. Section 1(a) is amended to change the Annual Base Salary to $1,000,000. Please countersign below to indicate acceptance on behalf of the Company.

Very truly yours,