X0303 4 2009-09-28 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 2009-09-28 4 S 0 500 14.08 D 7913173 D Common Stock 2009-09-28 4 S 0 500 14.0925 D 7912673 D Common Stock 2009-09-28 4 S 0 500 14.0935 D 7912173 D Common Stock 2009-09-28 4 S 0 200 14.10 D 7911973 D Common Stock 2009-09-28 4 S 0 100 14.13 D 7911873 D Common Stock 2009-09-28 4 S 0 500 14.17 D 7911373 D Common Stock 2009-09-28 4 S 0 1000 14.1701 D 7910373 D Common Stock 2009-09-28 4 S 0 1500 14.18 D 7908873 D Common Stock 2009-09-28 4 S 0 500 14.1801 D 7908373 D Common Stock 2009-09-28 4 S 0 1100 14.19 D 7907273 D Common Stock 2009-09-28 4 S 0 100 14.1927 D 7907173 D Common Stock 2009-09-28 4 S 0 300 14.199 D 7906873 D Common Stock 2009-09-28 4 S 0 3800 14.20 D 7903073 D Common Stock 2009-09-28 4 S 0 1500 14.2001 D 7901573 D Common Stock 2009-09-28 4 S 0 100 14.2027 D 7901473 D Common Stock 2009-09-28 4 S 0 2200 14.21 D 7899273 D Common Stock 2009-09-28 4 S 0 1000 14.213 D 7898273 D Common Stock 2009-09-28 4 S 0 1200 14.22 D 7897073 D Common Stock 2009-09-28 4 S 0 1000 14.225 D 7896073 D Common Stock 2009-09-28 4 S 0 1800 14.23 D 7894273 D Common Stock 2009-09-28 4 S 0 100 14.2307 D 7894173 D Common Stock 2009-09-28 4 S 0 62 14.24 D 7894111 D Common Stock 2009-09-28 4 S 0 5 14.2449 D 7894106 D Common Stock 2009-09-28 4 S 0 100 14.249 D 7894006 D Common Stock 2009-09-28 4 S 0 100 14.2499 D 7893906 D Common Stock 2009-09-28 4 S 0 1700 14.25 D 7892206 D Common Stock 2009-09-28 4 S 0 300 14.2501 D 7891906 D Common Stock 2009-09-28 4 S 0 500 14.251 D 7891406 D Common Stock 2009-09-28 4 S 0 1200 14.26 D 7890206 D Common Stock 2009-09-28 4 S 0 100 14.2675 D 7890106 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) 2009-09-30