X0303 4 2009-12-28 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 2009-12-28 4 S 0 100 14.48 D 6920528 D Common Stock 2009-12-28 4 S 0 213 14.48 D 6920315 D Common Stock 2009-12-28 4 S 0 3 14.49 D 6920312 D Common Stock 2009-12-28 4 S 0 363 14.55 D 6919949 D Common Stock 2009-12-28 4 S 0 100 14.56 D 6919849 D Common Stock 2009-12-28 4 S 0 2600 14.57 D 6917249 D Common Stock 2009-12-28 4 S 0 200 14.5725 D 6917049 D Common Stock 2009-12-28 4 S 0 1700 14.573 D 6915349 D Common Stock 2009-12-28 4 S 0 1300 14.576 D 6914049 D Common Stock 2009-12-28 4 S 0 413 14.58 D 6913636 D Common Stock 2009-12-28 4 S 0 370 14.60 D 6913266 D Common Stock 2009-12-28 4 S 0 500 14.604 D 6912766 D Common Stock 2009-12-28 4 S 0 30 14.61 D 6912736 D Common Stock 2009-12-28 4 S 0 200 14.6135 D 6912536 D Common Stock 2009-12-28 4 S 0 100 14.615 D 6912436 D Common Stock 2009-12-28 4 S 0 600 14.6212 D 6911836 D Common Stock 2009-12-28 4 S 0 100 14.65 D 6911736 D Common Stock 2009-12-28 4 S 0 1400 14.658 D 6910336 D Common Stock 2009-12-28 4 S 0 100 14.66 D 6910236 D Common Stock 2009-12-28 4 S 0 1000 14.6612 D 6909236 D Common Stock 2009-12-28 4 S 0 300 14.668 D 6908936 D Common Stock 2009-12-28 4 S 0 300 14.6685 D 6908636 D Common Stock 2009-12-28 4 S 0 184 14.68 D 6908452 D Common Stock 2009-12-28 4 S 0 300 14.6901 D 6908152 D Common Stock 2009-12-28 4 S 0 300 14.6925 D 6907852 D Common Stock 2009-12-28 4 S 0 200 14.694 D 6907652 D Common Stock 2009-12-28 4 S 0 300 14.696 D 6907352 D Common Stock 2009-12-28 4 S 0 100 14.698 D 6907252 D Common Stock 2009-12-28 4 S 0 200 14.699 D 6907052 D Common Stock 2009-12-28 4 S 0 500 14.70 D 6906552 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) 2009-12-29