A Mark Petrarca

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
AOS	$51.22	100	$5,122.00	25,022	2012-07-20	Filing
AOS	$51.21	300	$15,363.00	25,122	2012-07-20	Filing
AOS	$51.20	100	$5,120.00	25,422	2012-07-20	Filing
AOS	$51.18	100	$5,118.00	25,522	2012-07-20	Filing
AOS	$51.15	100	$5,115.00	25,622	2012-07-20	Filing
AOS	$51.14	100	$5,114.00	25,722	2012-07-20	Filing
AOS	$51.13	500	$25,565.00	25,822	2012-07-20	Filing
AOS	$51.12	300	$15,336.00	26,322	2012-07-20	Filing
AOS	$51.11	500	$25,555.00	26,622	2012-07-20	Filing
AOS	$51.10	200	$10,220.00	27,122	2012-07-20	Filing
AOS	$51.09	100	$5,109.02	27,322	2012-07-20	Filing
AOS	$51.09	300	$15,327.00	27,422	2012-07-20	Filing
AOS	$51.08	100	$5,108.00	27,722	2012-07-20	Filing
AOS	$51.07	800	$40,856.00	27,822	2012-07-20	Filing
AOS	$51.06	700	$35,742.00	28,622	2012-07-20	Filing
AOS	$51.05	1,500	$76,575.00	29,322	2012-07-20	Filing
AOS	$51.04	1,400	$71,456.00	30,822	2012-07-20	Filing
AOS	$51.03	1,200	$61,236.00	32,222	2012-07-20	Filing
AOS	$51.02	2,638	$134,590.76	33,422	2012-07-20	Filing
AOS	$51.01	4,612	$235,258.12	36,060	2012-07-20	Filing