X0202 4 2005-12-02 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 2005-12-02 4 S 0 41537 13.50 D 10209763 D Common Stock 2005-12-02 4 S 0 7457 13.51 D 10202306 D Common Stock 2005-12-02 4 S 0 5185 13.52 D 10197121 D Common Stock 2005-12-02 4 S 0 5879 13.53 D 10191242 D Common Stock 2005-12-02 4 S 0 7310 13.54 D 10183932 D Common Stock 2005-12-02 4 S 0 1152 13.55 D 10182780 D Common Stock 2005-12-02 4 S 0 448 13.56 D 10182332 D Common Stock 2005-12-02 4 S 0 2393 13.58 D 10179939 D Common Stock 2005-12-02 4 S 0 2647 13.59 D 10177292 D Common Stock 2005-12-02 4 S 0 800 13.60 D 10176492 D Common Stock 2005-12-02 4 S 0 3200 13.61 D 10173292 D Common Stock 2005-12-02 4 S 0 1200 13.62 D 10172092 D Common Stock 2005-12-02 4 S 0 860 13.63 D 10171232 D Common Stock 2005-12-02 4 S 0 600 13.64 D 10170632 D Common Stock 2005-12-02 4 S 0 1000 13.66 D 10169632 D Common Stock 2005-12-02 4 S 0 400 13.67 D 10169232 D Common Stock 2005-12-02 4 S 0 900 13.68 D 10168332 D Common Stock 2005-12-02 4 S 0 1200 13.69 D 10167132 D Common Stock 2005-12-02 4 S 0 1200 13.71 D 10165932 D Common Stock 2005-12-02 4 S 0 900 13.72 D 10165032 D Common Stock 2005-12-02 4 S 0 500 13.74 D 10164532 D Common Stock 2005-12-02 4 S 0 100 13.79 D 10164432 D Common Stock 2005-12-06 4 S 0 4097 13.50 D 10160335 D Common Stock 26350 D 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 2005-12-07 /s/ Mary K. Derr - Attorney-in-Fact 2005-12-07 /s/ Mary K. Derr - Attorney-in-Fact 2005-12-07