X0306 4 2013-07-01 0 0001082510 UIL HOLDINGS CORP UIL 0001024134 CHASE ARNOLD L 157 CHURCH STREET P. O. BOX 1564 NEW HAVEN CT 06510 1 0 0 0 Phantom Stock Units 37.83 2013-07-01 4 A 0 225.614 37.83 A 1988-08-08 1988-08-08 Common Stock 225.614 19982.479 D Dividend equivalent as with respect to phantom stock units deferred pursuant to the UIL Holdings Corporation Non-Employee Directors Common Stock and Deferred Compensation Plan, credited in the form of additional phantom stock units. Generally, phantom stock units credited under the Plan are payable in shares of common stock upon termination of service as a director. The Staff has designated "08/08/1988" as a dummy date for this specific purpose. Patricia C. Cosgel, Attorney In Fact 2013-07-03