X0303 4 2009-08-24 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 2009-08-24 4 S 0 300 10.60 D 8241726 D Common Stock 2009-08-24 4 S 0 100 10.6009 D 8241626 D Common Stock 2009-08-24 4 S 0 500 10.61 D 8241126 D Common Stock 2009-08-24 4 S 0 200 10.63 D 8240926 D Common Stock 2009-08-24 4 S 0 100 10.6432 D 8240826 D Common Stock 2009-08-24 4 S 0 100 10.65 D 8240726 D Common Stock 2009-08-24 4 S 0 500 10.66 D 8240226 D Common Stock 2009-08-24 4 S 0 300 10.68 D 8239926 D Common Stock 2009-08-24 4 S 0 400 10.71 D 8239526 D Common Stock 2009-08-24 4 S 0 100 10.7104 D 8239426 D Common Stock 2009-08-24 4 S 0 100 10.7127 D 8239326 D Common Stock 2009-08-24 4 S 0 200 10.7132 D 8239126 D Common Stock 2009-08-24 4 S 0 1600 10.72 D 8237526 D Common Stock 2009-08-24 4 S 0 600 10.7245 D 8236926 D Common Stock 2009-08-24 4 S 0 500 10.73 D 8236426 D Common Stock 2009-08-24 4 S 0 600 10.74 D 8235826 D Common Stock 2009-08-24 4 S 0 300 10.75 D 8235526 D Common Stock 2009-08-24 4 S 0 100 10.7811 D 8235426 D Common Stock 2009-08-24 4 S 0 400 10.79 D 8235026 D Common Stock 2009-08-24 4 S 0 3191 10.80 D 8231835 D Common Stock 2009-08-24 4 S 0 509 10.8009 D 8231326 D Common Stock 2009-08-24 4 S 0 5700 10.81 D 8225626 D Common Stock 2009-08-24 4 S 0 300 10.8103 D 8225326 D Common Stock 2009-08-24 4 S 0 200 10.8104 D 8225126 D Common Stock 2009-08-24 4 S 0 400 10.8107 D 8224726 D Common Stock 2009-08-24 4 S 0 200 10.8109 D 8224526 D Common Stock 2009-08-24 4 S 0 1229 10.811 D 8223297 D Common Stock 2009-08-24 4 S 0 296 10.8144 D 8223001 D Common Stock 2009-08-24 4 S 0 3800 10.82 D 8219201 D Common Stock 2009-08-24 4 S 0 200 10.8204 D 8219001 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) 2009-08-26