X0303 4 2009-07-20 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 2009-07-20 4 S 0 1000 11.1427 D 8470471 D Common Stock 2009-07-20 4 S 0 2700 11.17 D 8467771 D Common Stock 2009-07-20 4 S 0 100 11.1709 D 8467671 D Common Stock 2009-07-20 4 S 0 200 11.18 D 8467471 D Common Stock 2009-07-20 4 S 0 500 11.1809 D 8466971 D Common Stock 2009-07-20 4 S 0 800 11.19 D 8466171 D Common Stock 2009-07-20 4 S 0 1500 11.1909 D 8464671 D Common Stock 2009-07-20 4 S 0 200 11.1911 D 8464471 D Common Stock 2009-07-20 4 S 0 3350 11.20 D 8461121 D Common Stock 2009-07-20 4 S 0 500 11.2009 D 8460621 D Common Stock 2009-07-20 4 S 0 400 11.2011 D 8460221 D Common Stock 2009-07-20 4 S 0 1000 11.2018 D 8459221 D Common Stock 2009-07-20 4 S 0 250 11.2027 D 8458971 D Common Stock 2009-07-20 4 S 0 1300 11.21 D 8457671 D Common Stock 2009-07-20 4 S 0 3000 11.2109 D 8454671 D Common Stock 2009-07-20 4 S 0 525 11.2111 D 8454146 D Common Stock 2009-07-20 4 S 0 800 11.22 D 8453346 D Common Stock 2009-07-20 4 S 0 1100 11.23 D 8452246 D Common Stock 2009-07-20 4 S 0 500 11.2314 D 8451746 D Common Stock 2009-07-20 4 S 0 300 11.24 D 8451446 D Common Stock 2009-07-20 4 S 0 1000 11.2409 D 8450446 D Common Stock 2009-07-20 4 S 0 900 11.25 D 8449546 D Common Stock 2009-07-20 4 S 0 300 11.2501 D 8449246 D Common Stock 2009-07-20 4 S 0 500 11.2509 D 8448746 D Common Stock 2009-07-20 4 S 0 1000 11.2518 D 8447746 D Common Stock 2009-07-20 4 S 0 1500 11.26 D 8446246 D Common Stock 2009-07-20 4 S 0 300 11.2622 D 8445946 D Common Stock 2009-07-20 4 S 0 1000 11.2627 D 8444946 D Common Stock 2009-07-20 4 S 0 200 11.28 D 8444746 D Common Stock 2009-07-20 4 S 0 1200 11.29 D 8443546 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) 2009-07-22