X0303 4 2009-12-14 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 2009-12-14 4 S 0 1100 12.4146 D 7067102 D Common Stock 2009-12-14 4 S 0 1500 12.42 D 7065602 D Common Stock 2009-12-14 4 S 0 400 12.425 D 7065202 D Common Stock 2009-12-14 4 S 0 500 12.43 D 7064702 D Common Stock 2009-12-14 4 S 0 2800 12.4301 D 7061902 D Common Stock 2009-12-14 4 S 0 400 12.44 D 7061502 D Common Stock 2009-12-14 4 S 0 300 12.445 D 7061202 D Common Stock 2009-12-14 4 S 0 1400 12.45 D 7059802 D Common Stock 2009-12-14 4 S 0 4000 12.452 D 7055802 D Common Stock 2009-12-14 4 S 0 800 12.4592 D 7055002 D Common Stock 2009-12-14 4 S 0 1100 12.46 D 7053902 D Common Stock 2009-12-14 4 S 0 300 12.47 D 7053602 D Common Stock 2009-12-14 4 S 0 400 12.4725 D 7053202 D Common Stock 2009-12-14 4 S 0 394 12.50 D 7052808 D Common Stock 2009-12-14 4 S 0 687 12.52 D 7052121 D Common Stock 2009-12-14 4 S 0 100 12.53 D 7052021 D Common Stock 2009-12-14 4 S 0 2513 12.5352 D 7049508 D Common Stock 2009-12-14 4 S 0 200 12.54 D 7049308 D Common Stock 2009-12-14 4 S 0 987 12.5492 D 7048321 D Common Stock 2009-12-14 4 S 0 1413 12.55 D 7046908 D Common Stock 2009-12-14 4 S 0 500 12.56 D 7046408 D Common Stock 2009-12-14 4 S 0 1606 12.57 D 7044802 D Common Stock 2009-12-14 4 S 0 2500 12.58 D 7042302 D Common Stock 2009-12-14 4 S 0 100 12.59 D 7042202 D Common Stock 2009-12-14 4 S 0 1000 12.604 D 7041202 D Common Stock 2009-12-14 4 S 0 1000 12.61 D 7040202 D Common Stock 2009-12-14 4 S 0 5000 12.65 D 7035202 D Common Stock 2009-12-14 4 S 0 1000 12.659 D 7034202 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) 2009-12-15