X0202 4 2008-03-12 0 0000909832 COSTCO WHOLESALE CORP /NEW COST 0001184491 BROTMAN JEFFREY H 999 LAKE DRIVE ISSAQUAH WA 98027 1 1 0 0 Chairman of the Board Common Stock 2008-03-12 4 M 0 200000 27.125 A 260000 D Common Stock 2008-03-12 4 S 0 200000 D 60000 D Common Stock 1461703.04 I 1984 Brotman Family Trust Common Stock 20 I Justin Brotman Stock Option 27.125 2008-03-12 4 M 0 200000 27.125 D 1998-04-01 2008-04-01 Common Stock 200000 0 D Sold as follows: 15M @ 63.165 30M @ 63.20 75M @ 63.23 15M @ 63.36 15M @ 63.385 15M @ 63.405 15M @ 63.435 20M @ 63.56 Mr. Brotman disclaims beneficial ownership of shares 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. Deanna K. Nakashima, attorney-in-fact 2008-03-12