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 0 200 11.97 D 8024387 D Common Stock 2009-09-14 4 S 0 100 11.9733 D 8024287 D Common Stock 2009-09-14 4 S 0 900 11.98 D 8023387 D Common Stock 2009-09-14 4 S 0 200 11.9814 D 8023187 D Common Stock 2009-09-14 4 S 0 1417 11.99 D 8021770 D Common Stock 2009-09-14 4 S 0 283 11.99 D 8021487 D Common Stock 2009-09-14 4 S 0 300 12.00 D 8021187 D Common Stock 2009-09-14 4 S 0 300 12.00 D 8020887 D Common Stock 2009-09-14 4 S 0 100 12.004 D 8020787 D Common Stock 2009-09-14 4 S 0 2578 12.01 D 8018209 D Common Stock 2009-09-14 4 S 0 422 12.01 D 8017787 D Common Stock 2009-09-14 4 S 0 100 12.0114 D 8017687 D Common Stock 2009-09-14 4 S 0 600 12.0114 D 8017087 D Common Stock 2009-09-14 4 S 0 100 12.0116 D 8016987 D Common Stock 2009-09-14 4 S 0 900 12.02 D 8016087 D Common Stock 2009-09-14 4 S 0 100 12.03 D 8015987 D Common Stock 2009-09-14 4 S 0 3800 12.05 D 8012187 D Common Stock 2009-09-14 4 S 0 700 12.0501 D 8011487 D Common Stock 2009-09-14 4 S 0 200 12.0507 D 8011287 D Common Stock 2009-09-14 4 S 0 100 12.054 D 8011187 D Common Stock 2009-09-14 4 S 0 200 12.0554 D 8010987 D Common Stock 2009-09-14 4 S 0 6380 12.06 D 8004607 D Common Stock 2009-09-14 4 S 0 200 12.0614 D 8004407 D Common Stock 2009-09-14 4 S 0 230 12.0627 D 8004177 D Common Stock 2009-09-14 4 S 0 200 12.064 D 8003977 D Common Stock 2009-09-14 4 S 0 100 12.0649 D 8003877 D Common Stock 2009-09-14 4 S 0 2890 12.07 D 8000987 D Common Stock 2009-09-14 4 S 0 200 12.0714 D 8000787 D Common Stock 2009-09-14 4 S 0 200 12.0733 D 8000587 D Common Stock 2009-09-14 4 S 0 300 12.0749 D 8000287 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