X0303 4 2009-07-20 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 2009-07-20 4 S 0 3200 11.30 D 8440346 D Common Stock 2009-07-20 4 S 0 2500 11.3018 D 8437846 D Common Stock 2009-07-20 4 S 0 300 11.32 D 8437546 D Common Stock 2009-07-20 4 S 0 300 11.3266 D 8437246 D Common Stock 2009-07-20 4 S 0 100 11.33 D 8437146 D Common Stock 2009-07-20 4 S 0 2000 11.3318 D 8435146 D Common Stock 2009-07-20 4 S 0 800 11.35 D 8434346 D Common Stock 2009-07-20 4 S 0 500 11.3509 D 8433846 D Common Stock 2009-07-20 4 S 0 1500 11.3513 D 8432346 D Common Stock 2009-07-20 4 S 0 600 11.36 D 8431746 D Common Stock 2009-07-20 4 S 0 100 11.39 D 8431646 D Common Stock 2009-07-20 4 S 0 600 11.40 D 8431046 D Common Stock 2009-07-20 4 S 0 1000 11.4027 D 8430046 D Common Stock 2009-07-20 4 S 0 500 11.4101 D 8429546 D Common Stock 2009-07-20 4 S 0 500 11.4118 D 8429046 D Common Stock 2009-07-20 4 S 0 100 11.4144 D 8428946 D Common Stock 2009-07-20 4 S 0 400 11.42 D 8428546 D Common Stock 2009-07-20 4 S 0 400 11.4244 D 8428146 D Common Stock 2009-07-20 4 S 0 300 11.4255 D 8427846 D Common Stock 2009-07-20 4 S 0 300 11.4266 D 8427546 D Common Stock 2009-07-20 4 S 0 700 11.43 D 8426846 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) 2009-07-22