X0303 4 2009-09-08 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 2009-09-08 4 S 0 2400 11.31 D 8097377 D Common Stock 2009-09-08 4 S 0 100 11.3111 D 8097277 D Common Stock 2009-09-08 4 S 0 200 11.3118 D 8097077 D Common Stock 2009-09-08 4 S 0 100 11.3122 D 8096977 D Common Stock 2009-09-08 4 S 0 100 11.315 D 8096877 D Common Stock 2009-09-08 4 S 0 800 11.32 D 8096077 D Common Stock 2009-09-08 4 S 0 400 11.33 D 8095677 D Common Stock 2009-09-08 4 S 0 100 11.34 D 8095577 D Common Stock 2009-09-08 4 S 0 700 11.35 D 8094877 D Common Stock 2009-09-08 4 S 0 100 11.3509 D 8094777 D Common Stock 2009-09-08 4 S 0 500 11.36 D 8094277 D Common Stock 2009-09-08 4 S 0 2800 11.37 D 8091477 D Common Stock 2009-09-08 4 S 0 300 11.3709 D 8091177 D Common Stock 2009-09-08 4 S 0 1301 11.38 D 8089876 D Common Stock 2009-09-08 4 S 0 100 11.3825 D 8089776 D Common Stock 2009-09-08 4 S 0 2100 11.39 D 8087676 D Common Stock 2009-09-08 4 S 0 300 11.3909 D 8087376 D Common Stock 2009-09-08 4 S 0 1300 11.40 D 8086076 D Common Stock 2009-09-08 4 S 0 100 11.4009 D 8085976 D Common Stock 2009-09-08 4 S 0 100 11.4025 D 8085876 D Common Stock 2009-09-08 4 S 0 300 11.405 D 8085576 D Common Stock 2009-09-08 4 S 0 1200 11.41 D 8084376 D Common Stock 2009-09-08 4 S 0 200 11.4109 D 8084176 D Common Stock 2009-09-08 4 S 0 300 11.415 D 8083876 D Common Stock 2009-09-08 4 S 0 200 11.42 D 8083676 D Common Stock 2009-09-08 4 S 0 1768 11.43 D 8081908 D Common Stock 2009-09-08 4 S 0 1600 11.4309 D 8080308 D Common Stock 2009-09-08 4 S 0 100 11.4311 D 8080208 D Common Stock 2009-09-08 4 S 0 36 11.435 D 8080172 D Common Stock 2009-09-08 4 S 0 600 11.44 D 8079572 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) 2009-09-10