COSTCO WHOLESALE CORP /NEW 10-Q

Item 5—Other Information None. 25 Table of Contents Item 6—Exhibits The following exhibits are filed as part of this Quarterly Report on Form 10-Q or are incorporated herein by reference. Incorporated by Reference Exhibit Number Exhibit Description Filed Herewith Form Period Ending Filing Date 3.1 Articles of Incorporation as amended of Costco Wholesale Corporation 10-K 8/28/2022 10/5/2022 3.2 Bylaws as amended of Costco Wholesale Corporation 8-K 9/20/2024 10.1* Fiscal 2025 Executive Bonus Plan 8-K 11/7/2024 10.2* Executive Employment Agreement effective January 1, 2025, between Ron Vachris and Costco Wholesale Corporation x 10.3 # Thirteenth Amendment to Citi, N.A. Co-Branded Credit Card Agreement x 31.1 Rule 13(a) – 14(a) Certifications x 32.1 Section 1350 Certifications x 101.INS Inline XBRL Instance Document x 101.SCH Inline XBRL Taxonomy Extension Schema Document x 101.CAL Inline XBRL Taxonomy Extension Calculation Linkbase Document x 101.DEF Inline XBRL Taxonomy Extension Definition Linkbase Document x 101.LAB Inline XBRL Taxonomy Extension Label Linkbase Document x 101.PRE Inline XBRL Taxonomy Extension Presentation Linkbase Document x 104 Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101) x _____________________ * Management contract, compensatory plan or arrangement. # Certain information in this exhibit has been omitted because it is (i) immaterial and (ii) customarily and actually treated by the registrant as private or confidential. 26 Table of Contents SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this Report to be signed on its behalf by the undersigned, thereunto duly authorized. C OSTCO W HOLESALE C ORPORATION (Registrant) December 18, 2024 By /s/ R ON M. V ACHRIS Date Ron M. Vachris Chief Executive Officer, President and Director December 18, 2024 By /s/ G ARY M ILLERCHIP Date Gary Millerchip Executive Vice President and Chief Financial Officer 27