X0303 4 2009-07-27 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 2009-07-27 4 S 0 300 11.31 D 8406698 D Common Stock 2009-07-27 4 S 0 200 11.3114 D 8406498 D Common Stock 2009-07-27 4 S 0 100 11.32 D 8406398 D Common Stock 2009-07-27 4 S 0 100 11.3204 D 8406298 D Common Stock 2009-07-27 4 S 0 100 11.3225 D 8406198 D Common Stock 2009-07-27 4 S 0 100 11.325 D 8406098 D Common Stock 2009-07-27 4 S 0 900 11.33 D 8405198 D Common Stock 2009-07-27 4 S 0 500 11.34 D 8404698 D Common Stock 2009-07-27 4 S 0 100 11.3418 D 8404598 D Common Stock 2009-07-27 4 S 0 500 11.3438 D 8404098 D Common Stock 2009-07-27 4 S 0 2200 11.35 D 8401898 D Common Stock 2009-07-27 4 S 0 300 11.36 D 8401598 D Common Stock 2009-07-27 4 S 0 1000 11.3638 D 8400598 D Common Stock 2009-07-27 4 S 0 500 11.37 D 8400098 D Common Stock 2009-07-27 4 S 0 1000 11.3713 D 8399098 D Common Stock 2009-07-27 4 S 0 1800 11.3725 D 8397298 D Common Stock 2009-07-27 4 S 0 600 11.3727 D 8396698 D Common Stock 2009-07-27 4 S 0 1487 11.38 D 8395211 D Common Stock 2009-07-27 4 S 0 500 11.3836 D 8394711 D Common Stock 2009-07-27 4 S 0 200 11.3844 D 8394511 D Common Stock 2009-07-27 4 S 0 700 11.39 D 8393811 D Common Stock 2009-07-27 4 S 0 100 11.3901 D 8393711 D Common Stock 2009-07-27 4 S 0 1600 11.40 D 8392111 D Common Stock 2009-07-27 4 S 0 700 11.4022 D 8391411 D Common Stock 2009-07-27 4 S 0 80 11.4027 D 8391331 D Common Stock 2009-07-27 4 S 0 200 11.4033 D 8391131 D Common Stock 2009-07-27 4 S 0 200 11.4044 D 8390931 D Common Stock 2009-07-27 4 S 0 200 11.41 D 8390731 D Common Stock 2009-07-27 4 S 0 1000 11.4101 D 8389731 D Common Stock 2009-07-27 4 S 0 300 11.4121 D 8389431 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) 2009-07-29