W Steve Rettler

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
AOS	$42.73	100	$4,273.00	16,257	2012-01-31	Filing
AOS	$42.71	200	$8,542.00	16,357	2012-01-31	Filing
AOS	$42.70	505	$21,563.50	16,557	2012-01-31	Filing
AOS	$42.68	200	$8,536.00	17,062	2012-01-31	Filing
AOS	$42.67	300	$12,801.00	17,262	2012-01-31	Filing
AOS	$42.66	200	$8,532.00	17,562	2012-01-31	Filing
AOS	$42.65	200	$8,530.00	17,762	2012-01-31	Filing
AOS	$42.53	200	$8,506.00	17,962	2012-01-31	Filing
AOS	$42.52	200	$8,504.00	18,162	2012-01-31	Filing
AOS	$42.51	200	$8,502.00	18,362	2012-01-31	Filing
AOS	$42.50	305	$12,962.50	18,562	2012-01-31	Filing
AOS	$42.45	200	$8,490.00	18,867	2012-01-31	Filing
AOS	$42.44	500	$21,220.00	19,067	2012-01-31	Filing
AOS	$42.43	200	$8,486.00	19,567	2012-01-31	Filing
AOS	$42.42	100	$4,242.00	19,767	2012-01-31	Filing
AOS	$42.41	200	$8,482.00	19,867	2012-01-31	Filing
AOS	$42.40	1,600	$67,840.00	20,067	2012-01-31	Filing
AOS	$42.39	300	$12,717.00	21,667	2012-01-31	Filing
AOS	$42.38	300	$12,714.00	21,967	2012-01-31	Filing
AOS	$42.37	95	$4,025.15	22,267	2012-01-31	Filing