X0303 4 2009-10-13 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 2009-10-13 4 S 0 100 13.7688 D 7753295 D Common Stock 2009-10-13 4 S 0 100 13.96 D 7753195 D Common Stock 2009-10-13 4 S 0 100 13.97 D 7753095 D Common Stock 2009-10-13 4 S 0 100 14.00 D 7752995 D Common Stock 2009-10-13 4 S 0 100 14.0001 D 7752895 D Common Stock 2009-10-13 4 S 0 40 14.02 D 7752855 D Common Stock 2009-10-13 4 S 0 100 14.0216 D 7752755 D Common Stock 2009-10-13 4 S 0 560 14.04 D 7752195 D Common Stock 2009-10-13 4 S 0 300 14.0481 D 7751895 D Common Stock 2009-10-13 4 S 0 300 14.05 D 7751595 D Common Stock 2009-10-13 4 S 0 200 14.06 D 7751395 D Common Stock 2009-10-13 4 S 0 500 14.062 D 7750895 D Common Stock 2009-10-13 4 S 0 100 14.07 D 7750795 D Common Stock 2009-10-13 4 S 0 100 14.0716 D 7750695 D Common Stock 2009-10-13 4 S 0 200 14.0725 D 7750495 D Common Stock 2009-10-13 4 S 0 100 14.0745 D 7750395 D Common Stock 2009-10-13 4 S 0 100 14.0765 D 7750295 D Common Stock 2009-10-13 4 S 0 10 14.0766 D 7750285 D Common Stock 2009-10-13 4 S 0 100 14.09 D 7750185 D Common Stock 2009-10-13 4 S 0 1 14.10 D 7750184 D Common Stock 2009-10-13 4 S 0 2 14.1016 D 7750182 D Common Stock 2009-10-13 4 S 0 15 14.11 D 7750167 D Common Stock 2009-10-13 4 S 0 20 14.1166 D 7750147 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) 2009-10-15