X0303 4 2010-01-25 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 2010-01-25 4 S 0 400 14.7301 D 6403912 D Common Stock 2010-01-25 4 S 0 1000 14.733 D 6402912 D Common Stock 2010-01-25 4 S 0 500 14.737 D 6402412 D Common Stock 2010-01-25 4 S 0 300 14.739 D 6402112 D Common Stock 2010-01-25 4 S 0 200 14.74 D 6401912 D Common Stock 2010-01-25 4 S 0 200 14.74 D 6401712 D Common Stock 2010-01-25 4 S 0 500 14.7401 D 6401212 D Common Stock 2010-01-25 4 S 0 100 14.747 D 6401112 D Common Stock 2010-01-25 4 S 0 100 14.75 D 6401012 D Common Stock 2010-01-25 4 S 0 200 14.75 D 6400812 D Common Stock 2010-01-25 4 S 0 600 14.7535 D 6400212 D Common Stock 2010-01-25 4 S 0 100 14.7575 D 6400112 D Common Stock 2010-01-25 4 S 0 600 14.76 D 6399512 D Common Stock 2010-01-25 4 S 0 200 14.76 D 6399312 D Common Stock 2010-01-25 4 S 0 1300 14.7601 D 6398012 D Common Stock 2010-01-25 4 S 0 100 14.7604 D 6397912 D Common Stock 2010-01-25 4 S 0 1000 14.767 D 6396912 D Common Stock 2010-01-25 4 S 0 3500 14.77 D 6393412 D Common Stock 2010-01-25 4 S 0 600 14.77 D 6392812 D Common Stock 2010-01-25 4 S 0 100 14.775 D 6392712 D Common Stock 2010-01-25 4 S 0 932 14.78 D 6391780 D Common Stock 2010-01-25 4 S 0 2100 14.78 D 6389680 D Common Stock 2010-01-25 4 S 0 300 14.7801 D 6389380 D Common Stock 2010-01-25 4 S 0 600 14.783 D 6388780 D Common Stock 2010-01-25 4 S 0 1000 14.7835 D 6387780 D Common Stock 2010-01-25 4 S 0 500 14.79 D 6387280 D Common Stock 2010-01-25 4 S 0 1000 14.79 D 6386280 D Common Stock 2010-01-25 4 S 0 900 14.7905 D 6385380 D Common Stock 2010-01-25 4 S 0 1000 14.7935 D 6384380 D Common Stock 2010-01-25 4 S 0 400 14.80 D 6383980 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) 2010-01-26