COSTCO WHOLESALE CORP /NEW — Director's Dealing 2012

Jan 26, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: COSTCO WHOLESALE CORP /NEW (COST)
CIK: 0000909832
Period of Report: 2012-01-25

Reporting Person: SINEGAL JAMES D (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-01-25	Common Stock	S	16000	—	Disposed	786281	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1119410	Indirect
Common Stock	60964	Indirect
Common Stock	60964	Indirect

Footnotes

F1: This sale was effected pursuant to a 10b5-1 trading plan.

F2: Shares sold as follows:

800 @ 81.2450
250 @ 81.2600
300 @ 81.2700
300 @ 81.2750
100 @ 81.2800
200 @ 81.2900
350 @ 81.3000
300 @ 81.3050
300 @ 81.3100
700 @ 81.3200
300 @ 81.3300
700 @ 81.3500
6400 @ 81.3600
600 @ 81.3700
300 @ 81.3713
300 @ 81.3722
217 @ 81.3800
600 @ 81.3850
583 @ 81.3900
200 @ 81.4000
500 @ 81.4100
200 @ 81.4101
300 @ 81.4150
600 @ 81.4200
100 @ 81.4250
200 @ 81.4300
100 @ 81.4400
200 @ 81.4500