X0303 4 2009-07-13 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 2009-07-13 4 S 0 100 10.29 D 8499944 D Common Stock 2009-07-13 4 S 0 100 10.30 D 8499844 D Common Stock 2009-07-13 4 S 0 300 10.3022 D 8499544 D Common Stock 2009-07-13 4 S 0 100 10.32 D 8499444 D Common Stock 2009-07-13 4 S 0 100 10.3244 D 8499344 D Common Stock 2009-07-13 4 S 0 100 10.34 D 8499244 D Common Stock 2009-07-13 4 S 0 1000 10.3418 D 8498244 D Common Stock 2009-07-13 4 S 0 100 10.35 D 8498144 D Common Stock 2009-07-13 4 S 0 300 10.36 D 8497844 D Common Stock 2009-07-13 4 S 0 500 10.3618 D 8497344 D Common Stock 2009-07-13 4 S 0 600 10.37 D 8496744 D Common Stock 2009-07-13 4 S 0 300 10.38 D 8496444 D Common Stock 2009-07-13 4 S 0 100 10.39 D 8496344 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) 2009-07-15