X0303 4 2009-07-27 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 2009-07-27 4 S 0 600 11.15 D 8426246 D Common Stock 2009-07-27 4 S 0 200 11.1503 D 8426046 D Common Stock 2009-07-27 4 S 0 100 11.16 D 8425946 D Common Stock 2009-07-27 4 S 0 400 11.17 D 8425546 D Common Stock 2009-07-27 4 S 0 700 11.18 D 8424846 D Common Stock 2009-07-27 4 S 0 800 11.20 D 8424046 D Common Stock 2009-07-27 4 S 0 221 11.2022 D 8423825 D Common Stock 2009-07-27 4 S 0 1100 11.22 D 8422725 D Common Stock 2009-07-27 4 S 0 200 11.2201 D 8422525 D Common Stock 2009-07-27 4 S 0 125 11.2233 D 8422400 D Common Stock 2009-07-27 4 S 0 100 11.2236 D 8422300 D Common Stock 2009-07-27 4 S 0 200 11.23 D 8422100 D Common Stock 2009-07-27 4 S 0 1300 11.2301 D 8420800 D Common Stock 2009-07-27 4 S 0 300 11.2314 D 8420500 D Common Stock 2009-07-27 4 S 0 1 11.2333 D 8420499 D Common Stock 2009-07-27 4 S 0 1100 11.24 D 8419399 D Common Stock 2009-07-27 4 S 0 300 11.2409 D 8419099 D Common Stock 2009-07-27 4 S 0 2293 11.25 D 8416806 D Common Stock 2009-07-27 4 S 0 100 11.2504 D 8416706 D Common Stock 2009-07-27 4 S 0 2400 11.26 D 8414306 D Common Stock 2009-07-27 4 S 0 1 11.2622 D 8414305 D Common Stock 2009-07-27 4 S 0 200 11.2604 D 8414105 D Common Stock 2009-07-27 4 S 0 1000 11.27 D 8413105 D Common Stock 2009-07-27 4 S 0 1900 11.28 D 8411205 D Common Stock 2009-07-27 4 S 0 200 11.2803 D 8411005 D Common Stock 2009-07-27 4 S 0 1107 11.29 D 8409898 D Common Stock 2009-07-27 4 S 0 200 11.30 D 8409698 D Common Stock 2009-07-27 4 S 0 800 11.3013 D 8408898 D Common Stock 2009-07-27 4 S 0 800 11.3025 D 8408098 D Common Stock 2009-07-27 4 S 0 1100 11.305 D 8406998 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) 2009-07-29