FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * BROTMAN JEFFREY H   2. Issuer Name and Ticker or Trading Symbol COSTCO WHOLESALE CORP /NEW [COST] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chairman of the Board (Last) (First) (Middle) 999 LAKE DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 04/25/2011 (Street) ISSAQUAH, WA 98027 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 04/25/2011   M   100,000 A $ 39.65 180,392 D   Common Stock 04/25/2011   S   100,000 D (1) 80,392 D   Common Stock 04/26/2011   M   50,000 A $ 39.65 130,392 D   Common Stock 04/26/2011   S   50,000 D (2) 80,392 D   Common Stock               20 I Justin Brotman Common Stock               736,703.04 (3) I 1984 Brotman Family Trust

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Stock Option

$ 39.65

04/25/2011

M

100,000

04/01/2002

04/01/2012

Common Stock

100,000

$ 39.65

50,000

D

Stock Option

$ 39.65

04/26/2011

M

50,000

04/01/2002

04/01/2012

Common Stock

50,000

$ 39.65

0

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
BROTMAN JEFFREY H 999 LAKE DRIVE ISSAQUAH, WA 98027	X		Chairman of the Board

Signatures

Deanna K. Nakashima, attorney-in-fact		04/26/2011
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Shares sold as follows: 51644 @ 78.5000 100 @ 78.5001 100 @ 78.5003 1486 @ 78.5100 500 @ 78.5101 100 @ 78.5103 100 @ 78.5105 100 @ 78.5109 200 @ 78.5112 100 @ 78.5113 200 @ 78.5117 200 @ 78.5120 543 @ 78.5150 928 @ 78.5200 408 @ 78.5300 200 @ 78.5400 200 @ 78.5450 5078 @ 78.5500 300 @ 78.5501 100 @ 78.5502 100 @ 78.5506 100 @ 78.5508 100 @ 78.5512 1237 @ 78.5550 3558 @ 78.5600 42 @ 78.5609 100 @ 78.5625 100 @ 78.5630 600 @ 78.5650 500 @ 78.5700 16223 @ 78.6000 3000 @ 78.6001 100 @ 78.6002 100 @ 78.6004 200 @ 78.6008 200 @ 78.6011 100 @ 78.6025 300 @ 78.6050 2504 @ 78.6100 1001 @ 78.6200 100 @ 78.6202 300 @ 78.6206 100 @ 78.6207 100 @ 78.6212 1443 @ 78.6250 4205 @ 78.6300 1000 @ 78.6500
(2)	Shares sold as follows: 23444 @ 78.5000 400 @ 78.5100 100 @ 78.5300 3357 @ 78.6000 1664 @ 78.6100 200 @ 78.6101 100 @ 78.6110 1309 @ 78.6200 100 @ 78.6205 1155 @ 78.6300 200 @ 78.6305 131 @ 78.6313 69 @ 78.6317 200 @ 78.6350 2263 @ 78.6400 200 @ 78.6475 1545 @ 78.6500 200 @ 78.6505 200 @ 78.6516 563 @ 78.6600 1701 @ 78.6700 1200 @ 78.6800 1600 @ 78.6900 3743 @ 78.7000 1100 @ 78.7100 700 @ 78.7300 100 @ 78.7355 356 @ 78.7500 200 @ 78.7550 100 @ 78.7606 600 @ 78.7700 100 @ 78.7716 400 @ 78.8200 700 @ 78.8400
(3)	Mr. Brotman disclaims beneficial ownership of shares owned by the trust. Mr. Brotman is not a trustee of this trust nor does he have investment control over the trust's assets. Mr. Brotman is one of a number of beneficiaries of the trust.

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