X0303 4 2009-08-03 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 2009-08-03 4 S 0 2200 11.58 D 8380298 D Common Stock 2009-08-03 4 S 0 3100 11.59 D 8377198 D Common Stock 2009-08-03 4 S 0 5300 11.60 D 8371898 D Common Stock 2009-08-03 4 S 0 3300 11.61 D 8368598 D Common Stock 2009-08-03 4 S 0 3400 11.62 D 8365198 D Common Stock 2009-08-03 4 S 0 1900 11.63 D 8363298 D Common Stock 2009-08-03 4 S 0 500 11.6301 D 8362798 D Common Stock 2009-08-03 4 S 0 4100 11.65 D 8358698 D Common Stock 2009-08-03 4 S 0 200 11.6501 D 8358498 D Common Stock 2009-08-03 4 S 0 600 11.66 D 8357898 D Common Stock 2009-08-03 4 S 0 1300 11.68 D 8356598 D Common Stock 2009-08-03 4 S 0 2200 11.70 D 8354398 D Common Stock 2009-08-03 4 S 0 1709 11.71 D 8352689 D Common Stock 2009-08-03 4 S 0 120 11.72 D 8352569 D Common Stock 2009-08-03 4 S 0 2500 11.73 D 8350069 D Common Stock 2009-08-03 4 S 0 1305 11.74 D 8348764 D Common Stock 2009-08-03 4 S 0 2705 11.75 D 8346059 D Common Stock 2009-08-03 4 S 0 2138 11.76 D 8343921 D Common Stock 2009-08-03 4 S 0 462 11.77 D 8343459 D Common Stock 2009-08-03 4 S 0 500 11.78 D 8342959 D Common Stock 2009-08-03 4 S 0 959 11.82 D 8342000 D Common Stock 2009-08-03 4 S 0 41 11.83 D 8341959 D Common Stock 2009-08-03 4 S 0 1000 11.86 D 8340959 D Common Stock 2009-08-03 4 S 0 1000 11.93 D 8339959 D Common Stock 2009-08-03 4 S 0 500 12.11 D 8339459 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) 2009-08-05