S Douglas Schatz

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
AEIS	$12.22	2,179	$26,627.38	2,839,379	2012-04-16	Filing
AEIS	$12.22	100	$1,221.50	2,841,558	2012-04-16	Filing
AEIS	$12.21	900	$10,989.00	2,841,658	2012-04-16	Filing
AEIS	$12.20	2,100	$25,620.00	2,842,558	2012-04-16	Filing
AEIS	$12.19	1,300	$15,847.00	2,844,658	2012-04-16	Filing
AEIS	$12.18	2,100	$25,578.00	2,845,958	2012-04-16	Filing
AEIS	$12.17	900	$10,953.00	2,848,058	2012-04-16	Filing
AEIS	$12.16	2,500	$30,400.00	2,848,958	2012-04-16	Filing
AEIS	$12.16	400	$4,862.00	2,851,458	2012-04-16	Filing
AEIS	$12.15	3,070	$37,300.50	2,851,858	2012-04-16	Filing
AEIS	$12.15	300	$3,644.25	2,854,928	2012-04-16	Filing
AEIS	$12.15	600	$7,287.00	2,855,228	2012-04-16	Filing
AEIS	$12.14	100	$1,213.75	2,855,828	2012-04-16	Filing
AEIS	$12.14	100	$1,213.50	2,855,928	2012-04-16	Filing
AEIS	$12.13	500	$6,065.00	2,856,028	2012-04-16	Filing
AEIS	$12.12	600	$7,272.00	2,856,528	2012-04-16	Filing
AEIS	$12.11	300	$3,633.00	2,857,128	2012-04-16	Filing
AEIS	$12.11	200	$2,421.00	2,857,428	2012-04-16	Filing
AEIS	$12.10	1,600	$19,360.00	2,857,628	2012-04-16	Filing
AEIS	$12.10	300	$3,628.50	2,859,228	2012-04-16	Filing