EX-23.A 2 a2016exhibit23a.htm EXHIBIT 23.A

Exhibit

Exhibit 23(a)

Consent of Independent Registered Public Accounting Firm

The Benefits Committee

Costco 401(k) Retirement Plan:

We consent to the incorporation by reference in the registration statements (Nos. 333-180163 and 333-204739) on Form S-8 of Costco Wholesale Corporation of our report dated June 15, 2017 with respect to the statements of net assets available for benefits of the Costco 401(k) Retirement Plan as of December 31, 2016 and 2015, the related statements of changes in net assets available for benefits for the years then ended, and the supplemental schedule H, line 4i - schedule of assets (held at end of year) as of December 31, 2016, which report appears in the December 31, 2016 annual report on Form 11-K of the Costco 401(k) Retirement Plan.

/s/ KPMG LLP_________________

Seattle, Washington

June 15, 2017