W Craig Jelinek

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
19 Dec 24	COST Costco Wholesale	Common Stock	Gift	Dispose G	No	No	0	2,017	0.00	204,365.061
22 Oct 24	COST Costco Wholesale	Common Stock	Grant	Acquire A	No	No	0	303	0.00	206,382.061
19 Jul 24	COST Costco Wholesale	Common Stock	Gift	Dispose G	No	No	0	60	0.00	206,079.061
5 Apr 24	COST Costco Wholesale	Common Stock	Payment of exercise	Dispose F	No	No	713.72	10,477.902	7.48 mm	189,939.061
5 Apr 24	COST Costco Wholesale	Common Stock	Payment of exercise	Dispose F	No	No	713.72	9,482.154	6.77 mm	200,416.963
5 Apr 24	COST Costco Wholesale	Common Stock	Payment of exercise	Dispose F	No	No	713.72	3,726.301	2.66 mm	209,899.117
5 Apr 24	COST Costco Wholesale	Common Stock	Payment of exercise	Dispose F	No	No	713.72	3,038.047	2.17 mm	213,625.418
23 Jan 24	COST Costco Wholesale	Common Stock	Sell	Dispose S	No	No	685.932	8,000	5.49 mm	216,211.755

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.