X0303 4 2010-06-01 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 2010-06-01 4 S 0 800 12.40 D 5025558 D Common Stock 2010-06-01 4 S 0 6249 12.41 D 5119309 D Common Stock 2010-06-01 4 S 0 1800 12.42 D 5117509 D Common Stock 2010-06-01 4 S 0 1000 12.43 D 5116509 D Common Stock 2010-06-01 4 S 0 1800 12.45 D 5114709 D Common Stock 2010-06-01 4 S 0 200 12.455 D 5114509 D Common Stock 2010-06-01 4 S 0 1900 12.46 D 5112609 D Common Stock 2010-06-01 4 S 0 2100 12.47 D 5110509 D Common Stock 2010-06-01 4 S 0 100 12.475 D 5110409 D Common Stock 2010-06-01 4 S 0 8030 12.48 D 5102379 D Common Stock 2010-06-01 4 S 0 300 12.4875 D 5102079 D Common Stock 2010-06-01 4 S 0 5110 12.49 D 5096969 D Common Stock 2010-06-01 4 S 0 200 12.4975 D 5096769 D Common Stock 2010-06-01 4 S 0 12.492 12.50 D 5084277 D Common Stock 2010-06-01 4 S 0 600 12.505 D 5083677 D Common Stock 2010-06-01 4 S 0 3129 12.51 D 5080548 D Common Stock 2010-06-01 4 S 0 1500 12.53 D 5079048 D Common Stock 2010-06-01 4 S 0 100 12.54 D 5078948 D 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. The Sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 Plan. /S/ Thomas O. McGimpsey (Attorney-in-Fact) 2010-06-02