X0303 4 2009-07-13 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 2009-07-13 4 S 0 100 9.83 D 8521186 D Common Stock 2009-07-13 4 S 0 100 9.8333 D 8521086 D Common Stock 2009-07-13 4 S 0 100 9.84 D 8520986 D Common Stock 2009-07-13 4 S 0 100 9.85 D 8520886 D Common Stock 2009-07-13 4 S 0 100 9.8522 D 8520786 D Common Stock 2009-07-13 4 S 0 200 9.8611 D 8520586 D Common Stock 2009-07-13 4 S 0 100 9.87 D 8520486 D Common Stock 2009-07-13 4 S 0 500 9.8709 D 8519986 D Common Stock 2009-07-13 4 S 0 400 9.8733 D 8519586 D Common Stock 2009-07-13 4 S 0 700 9.88 D 8518886 D Common Stock 2009-07-13 4 S 0 1000 9.8818 D 8517886 D Common Stock 2009-07-13 4 S 0 300 9.8822 D 8517586 D Common Stock 2009-07-13 4 S 0 100 9.89 D 8517486 D Common Stock 2009-07-13 4 S 0 200 9.90 D 8517286 D Common Stock 2009-07-13 4 S 0 100 9.91 D 8517186 D Common Stock 2009-07-13 4 S 0 1000 9.9245 D 8516186 D Common Stock 2009-07-13 4 S 0 500 9.9618 D 8515686 D Common Stock 2009-07-13 4 S 0 200 9.9733 D 8515486 D Common Stock 2009-07-13 4 S 0 500 9.99 D 8514986 D Common Stock 2009-07-13 4 S 0 1200 10.00 D 8513786 D Common Stock 2009-07-13 4 S 0 900 10.0018 D 8512886 D Common Stock 2009-07-13 4 S 0 500 10.0027 D 8512386 D Common Stock 2009-07-13 4 S 0 200 10.01 D 8512186 D Common Stock 2009-07-13 4 S 0 600 10.0118 D 8511586 D Common Stock 2009-07-13 4 S 0 800 10.02 D 8510786 D Common Stock 2009-07-13 4 S 0 600 10.0209 D 8510186 D Common Stock 2009-07-13 4 S 0 100 10.03 D 8510086 D Common Stock 2009-07-13 4 S 0 800 10.04 D 8509286 D Common Stock 2009-07-13 4 S 0 200 10.05 D 8509086 D Common Stock 2009-07-13 4 S 0 1200 10.06 D 8507886 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) 2009-07-15