X0303 4 2009-08-24 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 2009-08-24 4 S 0 500 10.61 D 8195055 D Common Stock 2009-08-24 4 S 0 100 10.6114 D 8194955 D Common Stock 2009-08-24 4 S 0 100 10.63 D 8194855 D Common Stock 2009-08-24 4 S 0 100 10.6322 D 8194755 D Common Stock 2009-08-24 4 S 0 400 10.64 D 8194355 D Common Stock 2009-08-24 4 S 0 300 10.65 D 8194055 D Common Stock 2009-08-24 4 S 0 200 10.6509 D 8193855 D Common Stock 2009-08-24 4 S 0 200 10.66 D 8193655 D Common Stock 2009-08-24 4 S 0 100 10.6622 D 8193555 D Common Stock 2009-08-24 4 S 0 200 10.67 D 8193355 D Common Stock 2009-08-24 4 S 0 200 10.68 D 8193155 D Common Stock 2009-08-24 4 S 0 100 10.69 D 8193055 D Common Stock 2009-08-24 4 S 0 200 10.70 D 8192855 D Common Stock 2009-08-24 4 S 0 100 10.7036 D 8192755 D Common Stock 2009-08-24 4 S 0 1500 10.71 D 8191255 D Common Stock 2009-08-24 4 S 0 100 10.7109 D 8191155 D Common Stock 2009-08-24 4 S 0 100 10.7111 D 8191055 D Common Stock 2009-08-24 4 S 0 900 10.72 D 8190155 D Common Stock 2009-08-24 4 S 0 100 10.7204 D 8190055 D Common Stock 2009-08-24 4 S 0 800 10.73 D 8189255 D Common Stock 2009-08-24 4 S 0 200 10.74 D 8189055 D Common Stock 2009-08-24 4 S 0 300 10.79 D 8188755 D Common Stock 2009-08-24 4 S 0 200 10.7909 D 8188555 D Common Stock 2009-08-24 4 S 0 1500 10.80 D 8187055 D Common Stock 2009-08-24 4 S 0 1273 10.81 D 8185782 D Common Stock 2009-08-24 4 S 0 100 10.8109 D 8185682 D Common Stock 2009-08-24 4 S 0 188 10.8111 D 8185494 D Common Stock 2009-08-24 4 S 0 200 10.8114 D 8185294 D Common Stock 2009-08-24 4 S 0 1 10.8122 D 8185293 D Common Stock 2009-08-24 4 S 0 100 10.8127 D 8185193 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) 2009-08-26