X0303 4 2009-10-12 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 2009-10-12 4 S 0 100 13.92 D 7771097 D Common Stock 2009-10-12 4 S 0 500 13.9201 D 7770597 D Common Stock 2009-10-12 4 S 0 100 13.9207 D 7770497 D Common Stock 2009-10-12 4 S 0 600 13.93 D 7769897 D Common Stock 2009-10-12 4 S 0 100 13.9314 D 7769797 D Common Stock 2009-10-12 4 S 0 100 13.94 D 7769697 D Common Stock 2009-10-12 4 S 0 500 13.948 D 7769197 D Common Stock 2009-10-12 4 S 0 16 14.01 D 7769181 D Common Stock 2009-10-12 4 S 0 400 14.0101 D 7768781 D Common Stock 2009-10-12 4 S 0 101 14.0133 D 7768680 D Common Stock 2009-10-12 4 S 0 1000 14.018 D 7767680 D Common Stock 2009-10-12 4 S 0 700 14.07 D 7766980 D Common Stock 2009-10-12 4 S 0 100 14.0714 D 7766880 D Common Stock 2009-10-12 4 S 0 400 14.0725 D 7766480 D Common Stock 2009-10-12 4 S 0 200 14.075 D 7766280 D Common Stock 2009-10-12 4 S 0 500 14.08 D 7765780 D Common Stock 2009-10-12 4 S 0 500 14.09 D 7765280 D Common Stock 2009-10-12 4 S 0 500 14.114 D 7764780 D Common Stock 2009-10-12 4 S 0 500 14.12 D 7764280 D Common Stock 2009-10-12 4 S 0 500 14.1225 D 7763780 D Common Stock 2009-10-12 4 S 0 900 14.13 D 7762880 D Common Stock 2009-10-12 4 S 0 500 14.1365 D 7762380 D Common Stock 2009-10-12 4 S 0 2500 14.14 D 7759880 D Common Stock 2009-10-12 4 S 0 100 14.1401 D 7759780 D Common Stock 2009-10-12 4 S 0 300 14.1407 D 7759480 D Common Stock 2009-10-12 4 S 0 500 14.1414 D 7758980 D Common Stock 2009-10-12 4 S 0 900 14.1425 D 7758080 D Common Stock 2009-10-12 4 S 0 500 14.1427 D 7757580 D Common Stock 2009-10-12 4 S 0 500 14.144 D 7757080 D Common Stock 2009-10-12 4 S 0 300 14.145 D 7756780 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) 2009-10-14