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 1100 10.0618 D 8506786 D Common Stock 2009-07-13 4 S 0 1000 10.07 D 8505786 D Common Stock 2009-07-13 4 S 0 300 10.08 D 8505486 D Common Stock 2009-07-13 4 S 0 500 10.0827 D 8504986 D Common Stock 2009-07-13 4 S 0 100 10.09 D 8504886 D Common Stock 2009-07-13 4 S 0 100 10.10 D 8504786 D Common Stock 2009-07-13 4 S 0 100 10.11 D 8504686 D Common Stock 2009-07-13 4 S 0 100 10.12 D 8504586 D Common Stock 2009-07-13 4 S 0 300 10.1233 D 8504286 D Common Stock 2009-07-13 4 S 0 200 10.1344 D 8504086 D Common Stock 2009-07-13 4 S 0 100 10.16 D 8503986 D Common Stock 2009-07-13 4 S 0 100 10.17 D 8503886 D Common Stock 2009-07-13 4 S 0 100 10.19 D 8503786 D Common Stock 2009-07-13 4 S 0 400 10.20 D 8503386 D Common Stock 2009-07-13 4 S 0 100 10.21 D 8503286 D Common Stock 2009-07-13 4 S 0 200 10.2133 D 8503086 D Common Stock 2009-07-13 4 S 0 100 10.22 D 8502986 D Common Stock 2009-07-13 4 S 0 100 10.23 D 8502886 D Common Stock 2009-07-13 4 S 0 312 10.24 D 8502574 D Common Stock 2009-07-13 4 S 0 100 10.24 D 8502474 D Common Stock 2009-07-13 4 S 0 500 10.2409 D 8501974 D Common Stock 2009-07-13 4 S 0 230 10.2422 D 8501744 D Common Stock 2009-07-13 4 S 0 100 10.25 D 8501644 D Common Stock 2009-07-13 4 S 0 500 10.2518 D 8501144 D Common Stock 2009-07-13 4 S 0 100 10.2533 D 8501044 D Common Stock 2009-07-13 4 S 0 100 10.26 D 8500944 D Common Stock 2009-07-13 4 S 0 200 10.2611 D 8500744 D Common Stock 2009-07-13 4 S 0 500 10.2618 D 8500244 D Common Stock 2009-07-13 4 S 0 100 10.27 D 8500144 D Common Stock 2009-07-13 4 S 0 100 10.28 D 8500044 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