X0303 4 2009-10-12 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 2009-10-12 4 S 0 400 13.90 D 7803197 D Common Stock 2009-10-12 4 S 0 400 13.9001 D 7802797 D Common Stock 2009-10-12 4 S 0 200 13.91 D 7802597 D Common Stock 2009-10-12 4 S 0 500 13.9101 D 7802097 D Common Stock 2009-10-12 4 S 0 550 13.92 D 7801547 D Common Stock 2009-10-12 4 S 0 500 13.9227 D 7801047 D Common Stock 2009-10-12 4 S 0 500 13.928 D 7800547 D Common Stock 2009-10-12 4 S 0 1187 13.93 D 7799360 D Common Stock 2009-10-12 4 S 0 100 13.9314 D 7799260 D Common Stock 2009-10-12 4 S 0 113 13.94 D 7799147 D Common Stock 2009-10-12 4 S 0 50 13.97 D 7799097 D Common Stock 2009-10-12 4 S 0 100 14.01 D 7798997 D Common Stock 2009-10-12 4 S 0 200 14.0101 D 7798797 D Common Stock 2009-10-12 4 S 0 200 14.0108 D 7798597 D Common Stock 2009-10-12 4 S 0 600 14.0125 D 7797997 D Common Stock 2009-10-12 4 S 0 1400 14.0127 D 7796597 D Common Stock 2009-10-12 4 S 0 100 14.0133 D 7796497 D Common Stock 2009-10-12 4 S 0 800 14.0145 D 7795697 D Common Stock 2009-10-12 4 S 0 916 14.02 D 7794781 D Common Stock 2009-10-12 4 S 0 500 14.0201 D 7794281 D Common Stock 2009-10-12 4 S 0 100 14.0216 D 7794181 D Common Stock 2009-10-12 4 S 0 100 14.0245 D 7794081 D Common Stock 2009-10-12 4 S 0 384 14.03 D 7793697 D Common Stock 2009-10-12 4 S 0 100 14.0316 D 7793597 D Common Stock 2009-10-12 4 S 0 200 14.0325 D 7793397 D Common Stock 2009-10-12 4 S 0 300 14.039 D 7793097 D Common Stock 2009-10-12 4 S 0 200 14.0101 D 7792897 D Common Stock 2009-10-12 4 S 0 100 14.0501 D 7792797 D Common Stock 2009-10-12 4 S 0 600 14.0514 D 7792197 D Common Stock 2009-10-12 4 S 0 200 14.0625 D 7791997 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) 2009-10-14