Company: COST
Filing Date: 2025-10-08
Form Type: 10-K
Source: 0000909832-25-000101
Chunk: 10

Company: COSTCO WHOLESALE CORP /NEW
Filing Date: 2025-10-08
Form: 10-K
Item: Item 9A
Chunk 10
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 financial reporting was effective as of August 31, 2025. The attestation of KPMG LLP, our independent registered public accounting firm, on the effectiveness of our internal control over financial reporting is included with the consolidated financial statements in Item 8 of this Report.

Changes in Internal Control Over Financial Reporting

There have been no changes in our internal control over financial reporting (as defined in Rules 13a-15(f) or 15d-15(f) of the Exchange Act) that occurred during the fourth quarter of 2025 that have materially affected, or are reasonably likely to materially affect, the Company’s internal control over financial reporting.

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