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 14.1616 D 7778597 D Common Stock 2009-10-12 4 S 0 200 14.1625 D 7778397 D Common Stock 2009-10-12 4 S 0 400 14.1645 D 7777997 D Common Stock 2009-10-12 4 S 0 700 14.17 D 7777297 D Common Stock 2009-10-12 4 S 0 200 14.1701 D 7777097 D Common Stock 2009-10-12 4 S 0 200 14.1716 D 7776897 D Common Stock 2009-10-12 4 S 0 500 14.174 D 7776397 D Common Stock 2009-10-12 4 S 0 300 14.18 D 7776097 D Common Stock 2009-10-12 4 S 0 100 14.1833 D 7775997 D Common Stock 2009-10-12 4 S 0 500 14.186 D 7775497 D Common Stock 2009-10-12 4 S 0 300 14.19 D 7775197 D Common Stock 2009-10-12 4 S 0 500 14.1901 D 7774697 D Common Stock 2009-10-12 4 S 0 200 14.2001 D 7774497 D Common Stock 2009-10-12 4 S 0 900 14.21 D 7773597 D Common Stock 2009-10-12 4 S 0 200 14.21 D 7773397 D Common Stock 2009-10-12 4 S 0 100 14.2101 D 7773297 D Common Stock 2009-10-12 4 S 0 300 14.214 D 7772997 D Common Stock 2009-10-12 4 S 0 100 14.2145 D 7772897 D Common Stock 2009-10-12 4 S 0 300 14.22 D 7772597 D Common Stock 2009-10-12 4 S 0 100 14.22 D 7772497 D Common Stock 2009-10-12 4 S 0 100 14.2249 D 7772397 D Common Stock 2009-10-12 4 S 0 100 14.2301 D 7772297 D Common Stock 2009-10-12 4 S 0 100 14.2401 D 7772197 D Common Stock 2009-10-12 4 S 0 600 14.249 D 7771597 D Common Stock 2009-10-12 4 S 0 200 14.2501 D 7771397 D Common Stock 2009-10-12 4 S 0 100 14.2525 D 7771297 D Common Stock 2009-10-12 4 S 0 100 14.27 D 7771197 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