X0303 4 2009-08-10 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 2009-08-10 4 S 0 200 10.6503 D 8322159 D Common Stock 2009-08-10 4 S 0 100 10.6514 D 8322059 D Common Stock 2009-08-10 4 S 0 200 10.6521 D 8321859 D Common Stock 2009-08-10 4 S 0 200 10.6525 D 8321659 D Common Stock 2009-08-10 4 S 0 200 10.655 D 8321459 D Common Stock 2009-08-10 4 S 0 1413 10.66 D 8320046 D Common Stock 2009-08-10 4 S 0 187 10.67 D 8319859 D Common Stock 2009-08-10 4 S 0 200 10.68 D 8319659 D Common Stock 2009-08-10 4 S 0 100 10.6809 D 8319559 D Common Stock 2009-08-10 4 S 0 48 10.6814 D 8319511 D Common Stock 2009-08-10 4 S 0 300 10.6818 D 8319211 D Common Stock 2009-08-10 4 S 0 48 10.6833 D 8319163 D Common Stock 2009-08-10 4 S 0 2300 10.69 D 8316863 D Common Stock 2009-08-10 4 S 0 100 10.6909 D 8316763 D Common Stock 2009-08-10 4 S 0 55 10.6933 D 8316708 D Common Stock 2009-08-10 4 S 0 3746 10.70 D 8312962 D Common Stock 2009-08-10 4 S 0 100 10.7018 D 8312862 D Common Stock 2009-08-10 4 S 0 1 10.7022 D 8312861 D Common Stock 2009-08-10 4 S 0 200 10.7024 D 8312661 D Common Stock 2009-08-10 4 S 0 100 10.705 D 8312561 D Common Stock 2009-08-10 4 S 0 2215 10.71 D 8310346 D Common Stock 2009-08-10 4 S 0 100 10.7109 D 8310246 D Common Stock 2009-08-10 4 S 0 800 10.7118 D 8309446 D Common Stock 2009-08-10 4 S 0 2591 10.72 D 8306855 D Common Stock 2009-08-10 4 S 0 2500 10.7218 D 8304355 D Common Stock 2009-08-10 4 S 0 900 10.73 D 8303455 D Common Stock 2009-08-10 4 S 0 100 10.7325 D 8303355 D Common Stock 2009-08-10 4 S 0 300 10.74 D 8303055 D Common Stock 2009-08-10 4 S 0 400 10.7409 D 8302655 D Common Stock 2009-08-10 4 S 0 100 10.7418 D 8302555 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) 2009-08-12