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 0 600 12.21 D 7114501 D Common Stock 2009-12-14 4 S 0 100 12.22 D 7114401 D Common Stock 2009-12-14 4 S 0 1085 12.23 D 7113316 D Common Stock 2009-12-14 4 S 0 300 12.24 D 7113016 D Common Stock 2009-12-14 4 S 0 300 12.25 D 7112716 D Common Stock 2009-12-14 4 S 0 315 12.26 D 7112401 D Common Stock 2009-12-14 4 S 0 1000 12.28 D 7111401 D Common Stock 2009-12-14 4 S 0 500 12.29 D 7110901 D Common Stock 2009-12-14 4 S 0 2200 12.30 D 7108701 D Common Stock 2009-12-14 4 S 0 1200 12.31 D 7107501 D Common Stock 2009-12-14 4 S 0 200 12.3146 D 7107301 D Common Stock 2009-12-14 4 S 0 4233 12.32 D 7103068 D Common Stock 2009-12-14 4 S 0 3000 12.322 D 7100068 D Common Stock 2009-12-14 4 S 0 2567 12.33 D 7097501 D Common Stock 2009-12-14 4 S 0 1600 12.34 D 7095901 D Common Stock 2009-12-14 4 S 0 4000 12.343 D 7091901 D Common Stock 2009-12-14 4 S 0 1100 12.345 D 7090801 D Common Stock 2009-12-14 4 S 0 200 12.35 D 7090601 D Common Stock 2009-12-14 4 S 0 1000 12.3592 D 7089601 D Common Stock 2009-12-14 4 S 0 900 12.36 D 7088701 D Common Stock 2009-12-14 4 S 0 1900 12.37 D 7086801 D Common Stock 2009-12-14 4 S 0 4700 12.3701 D 7082101 D Common Stock 2009-12-14 4 S 0 1200 12.38 D 7080901 D Common Stock 2009-12-14 4 S 0 1500 12.3892 D 7079401 D Common Stock 2009-12-14 4 S 0 1404 12.39 D 7077997 D Common Stock 2009-12-14 4 S 0 395 12.3901 D 7077602 D Common Stock 2009-12-14 4 S 0 500 12.3925 D 7077102 D Common Stock 2009-12-14 4 S 0 5000 12.393 D 7072102 D Common Stock 2009-12-14 4 S 0 2000 12.39 D 7070102 D Common Stock 2009-12-14 4 S 0 1900 12.40 D 7068202 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