X0202 4 2006-04-20 0000927003 ADVANCED ENERGY INDUSTRIES INC AEIS 0001228910 SCHATZ DOUGLAS S & SCHATZ JILL E FAMILY TRUST P.O. BOX 481 FORT COLLINS CO 80522 0 0 1 0 0001007705 SCHATZ DOUGLAS S P.O. BOX 481 FORT COLLINS CO 80522 1 0 1 0 0001328181 Schatz Jill E P.O. BOX 481 FORT COLLINS CO 80522 0 0 1 0 Common Stock 2006-04-20 4 S 0 5325 15.10 D 9092260 D Common Stock 2006-04-20 4 S 0 1431 15.11 D 9090829 D Common Stock 2006-04-20 4 S 0 2285 15.12 D 9088544 D Common Stock 2006-04-20 4 S 0 700 15.13 D 9087844 D Common Stock 2006-04-20 4 S 0 2000 15.15 D 9085844 D Common Stock 2006-04-20 4 S 0 1559 15.16 D 9084285 D Common Stock 2006-04-20 4 S 0 200 15.17 D 9084085 D Common Stock 2006-04-20 4 S 0 200 15.19 D 9083885 D Common Stock 2006-04-20 4 S 0 200 15.21 D 9083685 D Common Stock 2006-04-20 4 S 0 1600 15.22 D 9082085 D Common Stock 2006-04-20 4 S 0 1400 15.23 D 9080685 D Common Stock 2006-04-20 4 S 0 300 15.24 D 9080385 D Common Stock 2006-04-20 4 S 0 300 15.25 D 9080085 D Common Stock 2006-04-20 4 S 0 200 15.26 D 9079885 D Common Stock 2006-04-20 4 S 0 600 15.27 D 9079285 D Common Stock 2006-04-20 4 S 0 600 15.28 D 9078685 D Common Stock 2006-04-20 4 S 0 300 15.29 D 9078385 D Common Stock 2006-04-20 4 S 0 400 15.30 D 9077985 D Common Stock 2006-04-20 4 S 0 500 15.31 D 9077485 D Common Stock 2006-04-20 4 S 0 3100 15.35 D 9074385 D Common Stock 2006-04-20 4 S 0 5200 15.36 D 9069185 D Common Stock 2006-04-20 4 S 0 1700 15.37 D 9067485 D Common Stock 2006-04-20 4 S 0 300 15.38 D 9067185 D Common Stock 2006-04-20 4 S 0 300 15.40 D 9066885 D Common Stock 2006-04-20 4 S 0 200 15.41 D 9066685 D Common Stock 2006-04-20 4 S 0 1000 15.45 D 9065685 D Common Stock 2006-04-20 4 S 0 500 15.46 D 9065185 D Common Stock 26350 D Per Rule 10b5-1 Sales Plan. These shares are owned directly by the 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. Represents shares of restricted stock units held directly by Douglas S. Schatz. /s/ Mary K. Derr - Attorney-in-Fact 2006-04-24 /s/ Mary K. Derr - Attorney-in-Fact 2006-04-24 /s/ Mary K. Derr - Attorney-in-Fact 2006-04-24