X0303 4 2009-09-14 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 2009-09-14 4 S 0 100 11.7327 D 7991736 D Common Stock 2009-09-14 4 S 0 800 11.74 D 7990936 D Common Stock 2009-09-14 4 S 0 400 11.75 D 7990536 D Common Stock 2009-09-14 4 S 0 200 11.76 D 7990336 D Common Stock 2009-09-14 4 S 0 100 11.78 D 7990236 D Common Stock 2009-09-14 4 S 0 300 11.79 D 7989936 D Common Stock 2009-09-14 4 S 0 300 11.81 D 7989636 D Common Stock 2009-09-14 4 S 0 390 11.82 D 7989246 D Common Stock 2009-09-14 4 S 0 401 11.8249 D 7988845 D Common Stock 2009-09-14 4 S 0 1000 11.8281 D 7987845 D Common Stock 2009-09-14 4 S 0 999 11.83 D 7986846 D Common Stock 2009-09-14 4 S 0 100 11.8316 D 7986746 D Common Stock 2009-09-14 4 S 0 210 11.835 D 7986536 D Common Stock 2009-09-14 4 S 0 400 11.84 D 7986136 D Common Stock 2009-09-14 4 S 0 1100 11.85 D 7985036 D Common Stock 2009-09-14 4 S 0 200 11.87 D 7984836 D Common Stock 2009-09-14 4 S 0 100 11.88 D 7984736 D Common Stock 2009-09-14 4 S 0 100 11.89 D 7984636 D Common Stock 2009-09-14 4 S 0 500 11.90 D 7984136 D Common Stock 2009-09-14 4 S 0 200 11.9033 D 7983936 D Common Stock 2009-09-14 4 S 0 100 11.9054 D 7983836 D Common Stock 2009-09-14 4 S 0 200 11.91 D 7983636 D Common Stock 2009-09-14 4 S 0 800 11.92 D 7982836 D Common Stock 2009-09-14 4 S 0 100 11.9227 D 7982736 D Common Stock 2009-09-14 4 S 0 200 11.93 D 7982536 D Common Stock 2009-09-14 4 S 0 100 11.94 D 7982436 D Common Stock 2009-09-14 4 S 0 100 11.944 D 7982336 D Common Stock 2009-09-14 4 S 0 200 11.95 D 7982136 D Common Stock 2009-09-14 4 S 0 100 11.9566 D 7982036 D Common Stock 2009-09-14 4 S 0 400 11.96 D 7981636 D The sales reported in this Form 4 were effected pursuant to Rule 10b5-1 trading plan adopted by the reporting persons on May 28, 2009. 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. /S/ Thomas O. McGimpsey (Attorney-in-Fact) 2009-09-16