James C Klauer

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
22 Oct 24	COST Costco Wholesale	Common Stock	Payment of exercise	Dispose F	No	No	893.49	176.658	157.84 k	47,993.624
22 Oct 24	COST Costco Wholesale	Common Stock	Payment of exercise	Dispose F	No	No	893.49	198.289	177.17 k	48,170.282
22 Oct 24	COST Costco Wholesale	Common Stock	Payment of exercise	Dispose F	No	No	893.49	191.079	170.73 k	48,368.571
22 Oct 24	COST Costco Wholesale	Common Stock	Payment of exercise	Dispose F	No	No	893.49	239.95	214.39 k	48,559.65
22 Oct 24	COST Costco Wholesale	Common Stock	Payment of exercise	Dispose F	No	No	893.49	291.224	260.21 k	48,799.6
16 Sep 24	COST Costco Wholesale	Common Stock	Payment of exercise	Dispose F	No	No	907.87	1,610.418	1.46 mm	49,090.824
16 Sep 24	COST Costco Wholesale	Common Stock	Grant	Acquire A	No	No	0	6,737.124	0.00	50,701.242
12 Jan 24	COST Costco Wholesale	Common Stock	Grant	Acquire A	No	No	0	60.372	0.00	43,928.478
12 Jan 24	COST Costco Wholesale	Common Stock	Grant	Acquire A	No	No	0	96.012	0.00	43,964.118
22 Oct 23	COST Costco Wholesale	Common Stock	Payment of exercise	Dispose F	No	No	552.93	187.7	103.78 k	43,868.106

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