X0303 4 2010-01-25 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 2010-01-25 4 S 0 2000 14.6705 D 6427337 D Common Stock 2010-01-25 4 S 0 600 14.6735 D 6426737 D Common Stock 2010-01-25 4 S 0 1600 14.68 D 6425137 D Common Stock 2010-01-25 4 S 0 700 14.6801 D 6424437 D Common Stock 2010-01-25 4 S 0 2 14.69 D 6424435 D Common Stock 2010-01-25 4 S 0 400 14.69 D 6424035 D Common Stock 2010-01-25 4 S 0 700 14.6901 D 6423335 D Common Stock 2010-01-25 4 S 0 700 14.6905 D 6422635 D Common Stock 2010-01-25 4 S 0 400 14.695 D 6422235 D Common Stock 2010-01-25 4 S 0 1622 14.70 D 6420613 D Common Stock 2010-01-25 4 S 0 3500 14.70 D 6417113 D Common Stock 2010-01-25 4 S 0 1000 14.7001 D 6416113 D Common Stock 2010-01-25 4 S 0 100 14.7001 D 6416013 D Common Stock 2010-01-25 4 S 0 100 14.7035 D 6415913 D Common Stock 2010-01-25 4 S 0 1800 14.7035 D 6414113 D Common Stock 2010-01-25 4 S 0 401 14.71 D 6413712 D Common Stock 2010-01-25 4 S 0 200 14.71 D 6413512 D Common Stock 2010-01-25 4 S 0 400 14.7101 D 6413112 D Common Stock 2010-01-25 4 S 0 100 14.7104 D 6413012 D Common Stock 2010-01-25 4 S 0 500 14.717 D 6412512 D Common Stock 2010-01-25 4 S 0 700 14.717 D 6411812 D Common Stock 2010-01-25 4 S 0 2100 14.72 D 6409712 D Common Stock 2010-01-25 4 S 0 1200 14.72 D 6408512 D Common Stock 2010-01-25 4 S 0 500 14.7201 D 6408012 D Common Stock 2010-01-25 4 S 0 500 14.7205 D 6407512 D Common Stock 2010-01-25 4 S 0 1000 14.723 D 6406512 D Common Stock 2010-01-25 4 S 0 300 14.723 D 6406212 D Common Stock 2010-01-25 4 S 0 1000 14.727 D 6405212 D Common Stock 2010-01-25 4 S 0 400 14.73 D 6404812 D Common Stock 2010-01-25 4 S 0 500 14.73 D 6404312 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) 2010-01-26