X0303 4 2009-09-08 0 0000927003 ADVANCED ENERGY INDUSTRIES INC AEIS 0001228910 SCHATZ DOUGLAS S & SCHATZ JILL E FAMILY TRUST PO BOX 481 FORT COLLINS CO 80522 0 0 1 0 0001007705 SCHATZ DOUGLAS S P.O. BOX 481 FORT COLLINS CO 80522 1 0 0 0 0001328181 Schatz Jill E P.O. BOX 481 FORT COLLINS CO 80522 0 0 1 0 Common Stock 2009-09-08 4 S 0 100 11.4109 D 8055121 D Common Stock 2009-09-08 4 S 0 200 11.4111 D 8054921 D Common Stock 2009-09-08 4 S 0 200 11.4122 D 8054721 D Common Stock 2009-09-08 4 S 0 1304 11.42 D 8053417 D Common Stock 2009-09-08 4 S 0 100 11.4211 D 8053317 D Common Stock 2009-09-08 4 S 0 100 11.4225 D 8053217 D Common Stock 2009-09-08 4 S 0 100 11.425 D 8053117 D Common Stock 2009-09-08 4 S 0 2720 11.43 D 8050397 D Common Stock 2009-09-08 4 S 0 100 11.4309 D 8050297 D Common Stock 2009-09-08 4 S 0 600 11.4311 D 8049697 D Common Stock 2009-09-08 4 S 0 382 11.435 D 8049315 D Common Stock 2009-09-08 4 S 0 920 11.44 D 8048395 D Common Stock 2009-09-08 4 S 0 660 11.45 D 8047735 D Common Stock 2009-09-08 4 S 0 100 11.4511 D 8047635 D Common Stock 2009-09-08 4 S 0 262 11.46 D 8047373 D Common Stock 2009-09-08 4 S 0 1000 11.47 D 8046373 D Common Stock 2009-09-08 4 S 0 300 11.4711 D 8046073 D Common Stock 2009-09-08 4 S 0 2700 11.48 D 8043373 D Common Stock 2009-09-08 4 S 0 500 11.4811 D 8042873 D Common Stock 2009-09-08 4 S 0 1900 11.49 D 8040973 D Common Stock 2009-09-08 4 S 0 2400 11.50 D 8038573 D Common Stock 2009-09-08 4 S 0 200 11.5009 D 8038373 D Common Stock 2009-09-08 4 S 0 200 11.5011 D 8038173 D Common Stock 2009-09-08 4 S 0 100 11.505 D 8038073 D Common Stock 2009-09-08 4 S 0 861 11.51 D 8037212 D Common Stock 2009-09-08 4 S 0 700 11.5111 D 8036512 D Common Stock 2009-09-08 4 S 0 39 11.515 D 8036473 D Common Stock 2009-09-08 4 S 0 1498 11.52 D 8034975 D Common Stock 2009-09-08 4 S 0 100 11.55 D 8034875 D Common Stock 2009-09-08 4 S 0 100 11.58 D 8034775 D The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plan adopted by the reporting persons on May 28, 2009. These shares are owned directly by Douglas S. Schatz & Jill E. Schatz Family Trust, a ten percent owner of the issuer, and indirectly by Douglas S. Schatz and Jill E. Schatz, co-trustees of the trust. Includes 26,350 shares of restricted stock units held directly by Douglas S. Schatz, who is a director of the Issuer. /S/ Thomas O. McGimpsey (Attorney-in-Fact) 2009-09-10