Company: COST
Filing Date: 2025-12-04
Form Type: DEF 14A
Source: 0000909832-25-000159
Chunk: 52

Company: COSTCO WHOLESALE CORP /NEW
Filing Date: 2025-12-04
Form: DEF 14A
Chunk 52
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 August 6, 2026. Any such notice must meet the other requirements set forth in our bylaws.

A shareholder who intends to present a proposal at the Company’s 2027 annual meeting other than pursuant to Rule 14a-8 or a proxy access director nomination must comply with our bylaws, which provide that the notice of such intentions must be received by the Secretary of the Company at the address set forth below no earlier than September 17, 2026, and no later than October 17, 2026, and such proposal must be a proper matter for shareholder action under Washington law, or management of the Company will have discretionary voting authority at the 2027 annual meeting with respect to any such proposal without discussion of the matter in the Company’s proxy statement.

Shareholders who intend to solicit proxies in reliance on the SEC's universal proxy rule for director nominees submitted under the advance notice requirements of our bylaws must comply with the additional requirements of Rule 14a-19(b).

Notices of intention to present proposals or nominate directors at the 2027 annual meeting, and all supporting materials required by our bylaws, must be submitted by mail to Secretary, Costco Wholesale Corporation, 999 Lake Drive, Issaquah, Washington 98027.

The Company reserves the right to reject, rule out of order, or take other appropriate action with respect to any proposal or nomination that does not comply with these and other applicable requirements. The submission of a shareholder proposal or proxy access or other director nomination does not guarantee that it will be included in our proxy statement.

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#### ANNUAL REPORT TO SHAREHOLDERS AND FORM 10-K
The fiscal 2025 Annual Report to Shareholders (which is not a part of our proxy soliciting materials) is being mailed with this Proxy Statement to shareholders that were mailed proxy materials. For shareholders that received the Notice of Internet Availability of Proxy Materials, this Proxy Statement and our fiscal 2025 Annual Report to Shareholders are available at https://investor.costco.com. Additionally, and in accordance with SEC rules, you may access our Proxy Statement at www.proxyvote.com, a “cookie-free” website that does not identify visitors to the site. A copy of the Company’s Annual Report on Form 10-K filed with the SEC will be provided to shareholders without charge upon written request directed to Investor Relations. The Company makes available on or through our website free of charge our Annual Report on Form 10-K, quarterly reports on