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 0 200 11.42 D 8389231 D Common Stock 2009-07-27 4 S 0 300 11.43 D 8388931 D Common Stock 2009-07-27 4 S 0 400 11.45 D 8388531 D Common Stock 2009-07-27 4 S 0 75 11.4518 D 8388456 D Common Stock 2009-07-27 4 S 0 100 11.4522 D 8388356 D Common Stock 2009-07-27 4 S 0 1000 11.46 D 8387356 D Common Stock 2009-07-27 4 S 0 825 11.47 D 8386531 D Common Stock 2009-07-27 4 S 0 200 11.4733 D 8386331 D Common Stock 2009-07-27 4 S 0 2733 11.50 D 8383598 D Common Stock 2009-07-27 4 S 0 100 11.53 D 8383498 D Common Stock 2009-07-27 4 S 0 500 11.5445 D 8382998 D Common Stock 2009-07-27 4 S 0 500 11.5654 D 8382498 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