W Steve Rettler

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
AOS	$42.37	100	$4,236.50	22,362	2012-01-31	Filing
AOS	$42.36	900	$38,124.00	22,462	2012-01-31	Filing
AOS	$42.35	1,300	$55,055.00	23,362	2012-01-31	Filing
AOS	$42.35	100	$4,234.50	24,662	2012-01-31	Filing
AOS	$42.34	400	$16,936.00	24,762	2012-01-31	Filing
AOS	$42.33	200	$8,466.00	25,162	2012-01-31	Filing
AOS	$42.32	500	$21,160.00	25,362	2012-01-31	Filing
AOS	$42.31	1,000	$42,310.00	25,862	2012-01-31	Filing
AOS	$42.30	645	$27,283.50	26,862	2012-01-31	Filing
AOS	$42.29	300	$12,687.00	27,507	2012-01-31	Filing
AOS	$42.28	400	$16,912.00	27,807	2012-01-31	Filing
AOS	$42.27	300	$12,681.00	28,207	2012-01-31	Filing
AOS	$42.26	500	$21,130.00	28,507	2012-01-31	Filing
AOS	$42.25	600	$25,350.00	29,007	2012-01-31	Filing
AOS	$42.22	1,322	$55,814.44	16,258	2011-02-11	Filing
AOS	$42.22	200	$8,444.00	14,580	2011-02-10	Filing
AOS	$42.21	200	$8,442.00	14,780	2011-02-10	Filing
AOS	$42.20	100	$4,220.00	14,980	2011-02-10	Filing
AOS	$42.19	100	$4,219.00	15,080	2011-02-10	Filing
AOS	$42.18	200	$8,436.00	15,180	2011-02-10	Filing