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10-K/A - 10-K/A - COSTCO WHOLESALE CORP /NEWcost10ka82816.htm


Exhibit 31.1
CERTIFICATIONS
I, W. Craig Jelinek, certify that:
1)
I have reviewed this Annual Report on Form 10-K/A of Costco Wholesale Corporation (“the registrant”);
2)
Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report; and
3)
Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report.

October 20, 2016
 
/s/    W. CRAIG JELINEK
 
W. Craig Jelinek
 
President, Chief Executive Officer and Director
 





CERTIFICATIONS
I, Richard A. Galanti, certify that:
1)
I have reviewed this Annual Report on Form 10-K/A of Costco Wholesale Corporation (“the registrant”);
2)
Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report; and
3)
Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report.

October 20, 2016
 
/s/    RICHARD A. GALANTI
 
Richard A. Galanti
 
Executive Vice President, Chief Financial Officer and Director