X0303 4 2009-08-10 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 2009-08-10 4 S 0 100 10.5027 D 8339359 D Common Stock 2009-08-10 4 S 0 300 10.51 D 8339059 D Common Stock 2009-08-10 4 S 0 100 10.5104 D 8338959 D Common Stock 2009-08-10 4 S 0 200 10.5122 D 8338759 D Common Stock 2009-08-10 4 S 0 1700 10.52 D 8337059 D Common Stock 2009-08-10 4 S 0 500 10.53 D 8336559 D Common Stock 2009-08-10 4 S 0 100 10.5322 D 8336459 D Common Stock 2009-08-10 4 S 0 800 10.54 D 8335659 D Common Stock 2009-08-10 4 S 0 1597 10.55 D 8334062 D Common Stock 2009-08-10 4 S 0 100 10.5527 D 8333962 D Common Stock 2009-08-10 4 S 0 2903 10.56 D 8331059 D Common Stock 2009-08-10 4 S 0 200 10.5609 D 8330859 D Common Stock 2009-08-10 4 S 0 100 10.5622 D 8330759 D Common Stock 2009-08-10 4 S 0 500 10.565 D 8330259 D Common Stock 2009-08-10 4 S 0 800 10.57 D 8329459 D Common Stock 2009-08-10 4 S 0 100 10.5722 D 8329359 D Common Stock 2009-08-10 4 S 0 933 10.58 D 8328426 D Common Stock 2009-08-10 4 S 0 200 10.5825 D 8328226 D Common Stock 2009-08-10 4 S 0 100 10.5845 D 8328126 D Common Stock 2009-08-10 4 S 0 100 10.59 D 8328026 D Common Stock 2009-08-10 4 S 0 167 10.5925 D 8327859 D Common Stock 2009-08-10 4 S 0 1200 10.60 D 8326659 D Common Stock 2009-08-10 4 S 0 100 10.6022 D 8326559 D Common Stock 2009-08-10 4 S 0 85 10.6027 D 8326474 D Common Stock 2009-08-10 4 S 0 400 10.61 D 8326074 D Common Stock 2009-08-10 4 S 0 100 10.6218 D 8325974 D Common Stock 2009-08-10 4 S 0 100 10.63 D 8325874 D Common Stock 2009-08-10 4 S 0 400 10.64 D 8325474 D Common Stock 2009-08-10 4 S 0 200 10.6409 D 8325274 D Common Stock 2009-08-10 4 S 0 2915 10.65 D 8322359 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) 2009-08-12