X0303 4 2009-09-21 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 2009-09-21 4 S 0 1000 13.01 D 7969829 D Common Stock 2009-09-21 4 S 0 1000 13.12 D 7968829 D Common Stock 2009-09-21 4 S 0 1000 13.123 D 7967829 D Common Stock 2009-09-21 4 S 0 500 13.14 D 7967329 D Common Stock 2009-09-21 4 S 0 100 13.15 D 7967229 D Common Stock 2009-09-21 4 S 0 1500 13.1501 D 7965729 D Common Stock 2009-09-21 4 S 0 100 13.1507 D 7965629 D Common Stock 2009-09-21 4 S 0 1000 13.151 D 7964629 D Common Stock 2009-09-21 4 S 0 100 13.152 D 7964529 D Common Stock 2009-09-21 4 S 0 500 13.16 D 7964029 D Common Stock 2009-09-21 4 S 0 1200 13.17 D 7962829 D Common Stock 2009-09-21 4 S 0 900 13.1721 D 7961929 D Common Stock 2009-09-21 4 S 0 700 13.1725 D 7961229 D Common Stock 2009-09-21 4 S 0 300 13.1775 D 7960929 D Common Stock 2009-09-21 4 S 0 800 13.18 D 7960129 D Common Stock 2009-09-21 4 S 0 200 13.185 D 7959929 D Common Stock 2009-09-21 4 S 0 800 13.19 D 7959129 D Common Stock 2009-09-21 4 S 0 9100 13.20 D 7950029 D Common Stock 2009-09-21 4 S 0 2300 13.201 D 7947729 D Common Stock 2009-09-21 4 S 0 1300 13.2025 D 7946429 D Common Stock 2009-09-21 4 S 0 300 13.2032 D 7946129 D Common Stock 2009-09-21 4 S 0 3381 13.21 D 7942748 D Common Stock 2009-09-21 4 S 0 5401 13.22 D 7937347 D Common Stock 2009-09-21 4 S 0 500 13.2201 D 7936847 D Common Stock 2009-09-21 4 S 0 3100 13.223 D 7933747 D Common Stock 2009-09-21 4 S 0 200 13.23 D 7933547 D Common Stock 2009-09-21 4 S 0 100 13.24 D 7933447 D Common Stock 2009-09-21 4 S 0 700 13.25 D 7932747 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) 2009-09-23