S Douglas Schatz

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
AEIS	$11.93	100	$1,193.20	2,772,431	2012-04-30	Filing
AEIS	$11.93	2,200	$26,246.00	2,772,531	2012-04-30	Filing
AEIS	$11.93	800	$9,540.00	274,731	2012-04-30	Filing
AEIS	$11.92	900	$10,728.00	2,775,531	2012-04-30	Filing
AEIS	$11.92	400	$4,766.00	2,776,431	2012-04-30	Filing
AEIS	$11.77	800	$9,416.00	2,776,831	2012-04-23	Filing
AEIS	$11.73	300	$3,519.00	2,777,631	2012-04-23	Filing
AEIS	$11.72	200	$2,344.00	2,777,931	2012-04-23	Filing
AEIS	$11.71	700	$8,197.00	2,778,131	2012-04-23	Filing
AEIS	$11.70	700	$8,190.00	2,778,831	2012-04-23	Filing
AEIS	$11.69	2,000	$23,380.00	2,779,531	2012-04-23	Filing
AEIS	$11.68	2,600	$30,368.00	2,781,531	2012-04-23	Filing
AEIS	$11.67	1,851	$21,601.17	2,784,131	2012-04-23	Filing
AEIS	$11.67	700	$8,165.50	2,785,982	2012-04-23	Filing
AEIS	$11.66	800	$9,328.00	2,786,682	2012-04-23	Filing
AEIS	$11.66	100	$1,165.50	2,787,482	2012-04-23	Filing
AEIS	$11.65	3,300	$38,445.00	2,787,582	2012-04-23	Filing
AEIS	$11.64	5,200	$60,528.00	2,790,882	2012-04-23	Filing
AEIS	$11.64	200	$2,327.00	2,796,082	2012-04-23	Filing
AEIS	$11.63	1,400	$16,282.00	2,796,282	2012-04-23	Filing