X0303 4 2009-10-19 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 2009-10-19 4 S 0 160 13.64 D 7749987 D Common Stock 2009-10-19 4 S 0 200 13.643 D 7749787 D Common Stock 2009-10-19 4 S 0 200 13.65 D 7749587 D Common Stock 2009-10-19 4 S 0 500 13.66 D 7749087 D Common Stock 2009-10-19 4 S 0 234 13.68 D 7748853 D Common Stock 2009-10-19 4 S 0 200 13.6803 D 7748653 D Common Stock 2009-10-19 4 S 0 1704 13.69 D 7746949 D Common Stock 2009-10-19 4 S 0 200 13.6927 D 7746749 D Common Stock 2009-10-19 4 S 0 1502 13.70 D 7745247 D Common Stock 2009-10-19 4 S 0 1000 13.706 D 7744247 D Common Stock 2009-10-19 4 S 0 3231 13.71 D 7741016 D Common Stock 2009-10-19 4 S 0 400 13.713 D 7740616 D Common Stock 2009-10-19 4 S 0 200 13.7135 D 7740416 D Common Stock 2009-10-19 4 S 0 1000 13.7155 D 7739416 D Common Stock 2009-10-19 4 S 0 100 13.7162 D 7739316 D Common Stock 2009-10-19 4 S 0 200 13.7163 D 7739116 D Common Stock 2009-10-19 4 S 0 200 13.719 D 7738916 D Common Stock 2009-10-19 4 S 0 1400 13.72 D 7737516 D Common Stock 2009-10-19 4 S 0 30 13.7281 D 7737486 D Common Stock 2009-10-19 4 S 0 1000 13.73 D 7736486 D Common Stock 2009-10-19 4 S 0 670 13.74 D 7735816 D Common Stock 2009-10-19 4 S 0 1169 13.7401 D 7734647 D Common Stock 2009-10-19 4 S 0 1000 13.749 D 7733647 D Common Stock 2009-10-19 4 S 0 100 13.7575 D 7733547 D Common Stock 2009-10-19 4 S 0 1000 13.7593 D 7732547 D Common Stock 2009-10-19 4 S 0 1400 13.76 D 7731147 D Common Stock 2009-10-19 4 S 0 1000 13.7625 D 7730147 D Common Stock 2009-10-19 4 S 0 1500 13.7654 D 7728647 D Common Stock 2009-10-19 4 S 0 1000 13.788 D 7727647 D Common Stock 2009-10-19 4 S 0 1000 13.792 D 7726647 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) 2009-10-21