Pierre Riel

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
15 Oct 24	COST Costco Wholesale	Common Stock	Sell	Dispose S	No	No	896.713	2,000	1.79 mm	10,210.246
16 Sep 24	COST Costco Wholesale	Common Stock	Payment of exercise	Dispose F	No	No	907.87	2,645.366	2.40 mm	12,210.246
16 Sep 24	COST Costco Wholesale	Common Stock	Grant	Acquire A	No	No	0	7,433.436	0.00	14,855.612
7 Nov 23	COST Costco Wholesale	Common Stock	Sell	Dispose S	No	No	571.115	3,000	1.71 mm	7,422.176
15 Sep 23	COST Costco Wholesale	Common Stock	Payment of exercise	Dispose F	No	No	556.36	2,724.824	1.52 mm	10,422.176
15 Sep 23	COST Costco Wholesale	Common Stock	Grant	Acquire A	No	No	0	7,429	0.00	13,147

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