COSTCO WHOLESALE CORP /NEW 10-Q

Item 5—Other Information None. 26 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-Q 2/16/2020 3/12/2020 3.2 Bylaws as amended of Costco Wholesale Corporation 8-K 1/29/2020 3.2.1 Amendments to Sections 3.3, 3.4 and 3.6 of the Bylaws of Costco Wholesale Corporation, (to be effective and first apply with respect to the Company’s 2022 Annual Meeting of Shareholders) 8-K 9/16/2020 10.1 Fiscal 2022 Executive Bonus Plan 8-K 11/10/2021 10.2 Extension of the Term of the Executive Employment Agreement effective January 1, 2022, between W. Craig Jelinek and Costco Wholesale Corporation 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 27 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 21, 2021 By /s/ W. CRAIG JELINEK Date W. Craig Jelinek President, Chief Executive Officer and Director December 21, 2021 By /s/ RICHARD A. GALANTI Date Richard A. Galanti Executive Vice President, Chief Financial Officer and Director 28