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 11.9627 D 7981536 D Common Stock 2009-09-14 4 S 0 500 11.964 D 7981036 D Common Stock 2009-09-14 4 S 0 500 11.97 D 7980536 D Common Stock 2009-09-14 4 S 0 100 11.99 D 7980436 D Common Stock 2009-09-14 4 S 0 600 11.99 D 7979836 D Common Stock 2009-09-14 4 S 0 260 12.00 D 7979576 D Common Stock 2009-09-14 4 S 0 200 12.00 D 7979376 D Common Stock 2009-09-14 4 S 0 340 12.004 D 7979036 D Common Stock 2009-09-14 4 S 0 1000 12.01 D 7978036 D Common Stock 2009-09-14 4 S 0 200 12.02 D 7977836 D Common Stock 2009-09-14 4 S 0 100 12.04 D 7977736 D Common Stock 2009-09-14 4 S 0 200 12.05 D 7977536 D Common Stock 2009-09-14 4 S 0 300 12.06 D 7977236 D Common Stock 2009-09-14 4 S 0 800 12.07 D 7976436 D Common Stock 2009-09-14 4 S 0 100 12.0766 D 7976336 D Common Stock 2009-09-14 4 S 0 400 12.08 D 7975936 D Common Stock 2009-09-14 4 S 0 500 12.0827 D 7975436 D Common Stock 2009-09-14 4 S 0 800 12.09 D 7974636 D Common Stock 2009-09-14 4 S 0 100 12.095 D 7974536 D Common Stock 2009-09-14 4 S 0 700 12.10 D 7973836 D Common Stock 2009-09-14 4 S 0 200 12.11 D 7973636 D Common Stock 2009-09-14 4 S 0 900 12.12 D 7972736 D Common Stock 2009-09-14 4 S 0 200 12.13 D 7972536 D Common Stock 2009-09-14 4 S 0 7 12.14 D 7972529 D Common Stock 2009-09-14 4 S 0 100 12.15 D 7972429 D Common Stock 2009-09-14 4 S 0 100 12.1516 D 7972329 D Common Stock 2009-09-14 4 S 0 100 12.1533 D 7972229 D Common Stock 2009-09-14 4 S 0 100 12.16 D 7972129 D Common Stock 2009-09-14 4 S 0 300 12.17 D 7971829 D Common Stock 2009-09-14 4 S 0 100 12.18 D 7971729 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