X0201 4 2003-12-15 0 0001082510 UIL HOLDINGS CORP UIL 0001024134 CHASE ARNOLD L C/O CHASE ENTERPRISES ONE COMMERCIAL PLAZA HARTFORD CT 06103-3599 1 0 0 0 Phantom Stock Units 1 2003-12-15 4 A 0 73.18 41.00 A Common Stock 73.18 5443.34 D Phantom Stock Units 1 2003-12-15 4 A 0 115.87 41.00 A Common Stock 115.87 5559.21 D The phantom stock units were accrued under the UIL Holdings Corp. Non-Employee Directors Common Stock and Deferred Compensation Plan (the "Plan"). The units are to be settled in UIL Holdings Corp. Common Stock upon termination of the Reporting Person's service (other than by death) or termination of the Plan. 1 for 1 Theresa A. Kasuga as Attorney-in-Fact for Arnold L. Chase 2003-12-17