X0201 4 2003-12-31 0 0000811156 CMS ENERGY CORP CMS 0001180043 MENGEBIER DAVID G CMS ENERGY CORPORATION ONE ENERGY PLAZA JACKSON MI 49201-2276 0 1 0 0 Senior Vice President Common Stock (CMS) 27996 D Common Stock (CMS) 2003-12-31 4 J 0 1012 0 A 4786 I 401(k) Phantom Stock Units (Salary) Common Stock (CMS) 352 1810 D Total includes 27,000 shares of Restricted Stock, of which 3,000 shares are nominal. (The actual number of nominal shares received will be determined by the passage of time and achievement of performance objectives under CMS Performance Incentive Stock Plan.) Shares acquired during 2003 at various dates and prices pursuant to the Corporation's 401(k) plan. These units are considered phantom stock held pursuant to the Salaried Employees Merit Program of CMS Energy Corporation and were acquired on various dates in 2003 at prices ranging from $4.41 to $8.52 per share, and will be settled in either cash or the Corporation's Common Stock, at the Corporation's election, in the first quarter of 2005 based on the price of the Common Stock at that time. /s/MDVanHemert, Attny in Fact 2004-01-20