8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of Report (Date of Earliest Event Reported) April 10, 2007

COSTCO WHOLESALE CORPORATION

(Exact name of registrant as specified in its charter)

Washington	0-20355	91-1223280
(State or other jurisdiction of incorporation)	(Commission File No.)	(I.R.S. Employer Identification No.)

999 Lake Drive

Issaquah, WA 98027

(Address of principal executive offices and zip code)

Registrant’s telephone number, including area code: 425-313-8100

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 8.01 OTHER EVENTS

The Board of Directors of the registrant declared a quarterly cash dividend on Costco Wholesale common stock and approved an increase from $.13 to $.145. The dividend of $.145 per share declared April 10, 2007, is payable May 18, 2007, to shareholders of record at the close of business on April 27, 2007.

Item 9.01. Financial Statements and Exhibits

(d) Exhibits. The following exhibits are included in this report:

99.1. Press release dated April 10, 2007.

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SIGNATURE

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, hereunto duly authorized, on April 11, 2007.

COSTCO WHOLESALE CORPORATION
By:	/s/ Richard A. Galanti
	Richard A. Galanti,
	Executive Vice President and Chief Financial Officer

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EX-99.1

Exhibit 99.1

COSTCO WHOLESALE CORPORATION ANNOUNCES AN INCREASE IN

ITS QUARTERLY CASH DIVIDEND

ISSAQUAH, Wash., April 10, 2007,—Costco Wholesale Corporation (“Costco”) (Nasdaq: COST) today announced that its Board of Directors has declared a quarterly cash dividend on Costco Wholesale common stock and approved an increase from $.13 to $.145 per share each quarter, or $.58 per share on an annualized basis. The dividend of $.145 per share declared today is payable May 18, 2007, to shareholders of record at the close of business on April 27, 2007.

Costco currently operates 507 warehouses, including 373 in the United States and Puerto Rico, 71 in Canada, 19 in the United Kingdom, five in Korea, four in Taiwan, five in Japan and 30 in Mexico. The Company also operates Costco Online, an electronic commerce web site, at www.costco.com and at www.costco.ca in Canada. The Company plans to open an additional eleven to twelve new warehouses prior to the end of its 52-week 2007 fiscal year on September 2, 2007.

CONTACTS:	Costco Wholesale Corporation
	Richard Galanti, 425/313-8203
	Bob Nelson, 425/313-8255
	Jeff Elliott, 425/313-8264

Issaquah Home Office Ÿ 999 Lake Drive Ÿ Issaquah, WA 98027-5367 Ÿ (425) 313-8100