X0303 4 2010-03-22 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 2010-03-22 4 S 0 15 14.09 D 5904109 D Common Stock 2010-03-22 4 S 0 100 14.10 D 5904009 D Common Stock 2010-03-22 4 S 0 4 14.11 D 5904005 D Common Stock 2010-03-22 4 S 0 200 14.13 D 5903805 D Common Stock 2010-03-22 4 S 0 4 14.15 D 5903801 D Common Stock 2010-03-22 4 S 0 700 14.17 D 5903101 D Common Stock 2010-03-22 4 S 0 100 14.18 D 5903001 D Common Stock 2010-03-22 4 S 0 100 14.185 D 5902901 D Common Stock 2010-03-22 4 S 0 1281 14.19 D 5901620 D Common Stock 2010-03-22 4 S 0 200 14.20 D 5901420 D Common Stock 2010-03-22 4 S 0 100 14.205 D 5901320 D Common Stock 2010-03-22 4 S 0 400 14.21 D 5900920 D Common Stock 2010-03-22 4 S 0 100 14.215 D 5900820 D Common Stock 2010-03-22 4 S 0 100 14.22 D 5900720 D Common Stock 2010-03-22 4 S 0 100 14.235 D 5900620 D Common Stock 2010-03-22 4 S 0 100 14.24 D 5900520 D Common Stock 2010-03-22 4 S 0 100 14.25 D 5900420 D Common Stock 2010-03-22 4 S 0 100 14.265 D 5900320 D Common Stock 2010-03-22 4 S 0 100 14.27 D 5900220 D Common Stock 2010-03-22 4 S 0 300 14.285 D 5899920 D Common Stock 2010-03-22 4 S 0 100 14.2875 D 5899820 D Common Stock 2010-03-22 4 S 0 574 14.30 D 5899246 D Common Stock 2010-03-22 4 S 0 200 14.32 D 5899046 D Common Stock 2010-03-22 4 S 0 100 14.33 D 5898946 D Common Stock 2010-03-22 4 S 0 100 14.335 D 5898846 D Common Stock 2010-03-22 4 S 0 500 14.34 D 5898346 D Common Stock 2010-03-22 4 S 0 96 14.35 D 5898250 D Common Stock 2010-03-22 4 S 0 700 14.36 D 5897550 D Common Stock 2010-03-22 4 S 0 500 14.37 D 5897050 D Common Stock 2010-03-22 4 S 0 419 14.38 D 5896631 D 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. The Sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan. /S/ Thomas O. McGimpsey (Attorney-in-Fact) 2010-03-24