X0303 4 2009-12-07 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 2009-12-07 4 S 0 1000 12.30 D 7194645 D Common Stock 2009-12-07 4 S 0 2900 12.35 D 7191745 D Common Stock 2009-12-07 4 S 0 400 12.3501 D 7191345 D Common Stock 2009-12-07 4 S 0 100 12.352 D 7191245 D Common Stock 2009-12-07 4 S 0 2000 12.354 D 7189245 D Common Stock 2009-12-07 4 S 0 300 12.355 D 7188945 D Common Stock 2009-12-07 4 S 0 300 12.36 D 7188645 D Common Stock 2009-12-07 4 S 0 1000 12.37 D 7187645 D Common Stock 2009-12-07 4 S 0 5523 12.40 D 7182122 D Common Stock 2009-12-07 4 S 0 993 12.4046 D 7181129 D Common Stock 2009-12-07 4 S 0 292 12.41 D 7180837 D Common Stock 2009-12-07 4 S 0 1868 12.41 D 7178969 D Common Stock 2009-12-07 4 S 0 600 12.4101 D 7178369 D Common Stock 2009-12-07 4 S 0 2000 12.4125 D 7176369 D Common Stock 2009-12-07 4 S 0 2000 12.414 D 7174369 D Common Stock 2009-12-07 4 S 0 904 12.42 D 7173465 D Common Stock 2009-12-07 4 S 0 300 12.42 D 7173165 D Common Stock 2009-12-07 4 S 0 2604 12.43 D 7170561 D Common Stock 2009-12-07 4 S 0 1402 12.43 D 7169159 D Common Stock 2009-12-07 4 S 0 200 12.44 D 7168959 D Common Stock 2009-12-07 4 S 0 200 12.44 D 7168759 D Common Stock 2009-12-07 4 S 0 800 12.45 D 7167959 D Common Stock 2009-12-07 4 S 0 1114 12.45 D 7166845 D Common Stock 2009-12-07 4 S 0 620 12.4501 D 7166225 D Common Stock 2009-12-07 4 S 0 1000 12.4501 D 7165225 D Common Stock 2009-12-07 4 S 0 700 12.46 D 7164525 D Common Stock 2009-12-07 4 S 0 1700 12.46 D 7162825 D Common Stock 2009-12-07 4 S 0 1300 12.4601 D 7161525 D Common Stock 2009-12-07 4 S 0 1985 12.47 D 7159540 D Common Stock 2009-12-07 4 S 0 2400 12.48 D 7157140 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) 2009-12-09