X0303 4 2009-10-05 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 2009-10-05 4 S 0 12700 13.00 D 7848181 D Common Stock 2009-10-05 4 S 0 300 13.001 D 7847881 D Common Stock 2009-10-05 4 S 0 100 13002.00 D 7847781 D Common Stock 2009-10-05 4 S 0 601 13.01 D 7847180 D Common Stock 2009-10-05 4 S 0 17 13.0183 D 7847163 D Common Stock 2009-10-05 4 S 0 1400 13.02 D 7845763 D Common Stock 2009-10-05 4 S 0 555 13.03 D 7845208 D Common Stock 2009-10-05 4 S 0 400 13.04 D 7844808 D Common Stock 2009-10-05 4 S 0 200 13.05 D 7844608 D Common Stock 2009-10-05 4 S 0 2000 13.054 D 7842608 D Common Stock 2009-10-05 4 S 0 1000 13.16 D 7841608 D Common Stock 2009-10-05 4 S 0 4100 13.18 D 7837508 D Common Stock 2009-10-05 4 S 0 300 13.20 D 7837208 D Common Stock 2009-10-05 4 S 0 200 13.21 D 7837008 D Common Stock 2009-10-05 4 S 0 500 13.2165 D 7836508 D Common Stock 2009-10-05 4 S 0 8303 13.22 D 7828205 D Common Stock 2009-10-05 4 S 0 300 13.23 D 7827905 D Common Stock 2009-10-05 4 S 0 200 13.24 D 7827705 D Common Stock 2009-10-05 4 S 0 271 13.26 D 7827434 D Common Stock 2009-10-05 4 S 0 326 13.27 D 7827108 D Common Stock 2009-10-05 4 S 0 200 13.28 D 7826908 D Common Stock 2009-10-05 4 S 0 500 13.29 D 7826408 D Common Stock 2009-10-05 4 S 0 2500 13.294 D 7823908 D Common Stock 2009-10-05 4 S 0 300 13.33 D 7823608 D Common Stock 2009-10-05 4 S 0 1000 13.34 D 7822608 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) 2009-10-07