X0306 4 2015-04-01 0 0001082510 UIL HOLDINGS CORP UIL 0001350761 Torgerson James P 157 CHURCH STREET NEW HAVEN CT 06510 0 1 0 0 President & CEO Deferred Stock Units 51.195 2015-04-01 4 A 0 1783.930 51.195 A 2012-02-28 2012-02-28 Common Stock 1783.930 216465.936 D Deferred stock units includes compensation that has been deferred and is deemed to be invested in deferred stock units pursuant to the terms of UIL Holdings Corporation amended 2008 Stock and Incentive Compensation Plan. Deferred stock units are credited quarterly with dividend equivalents and are paid in the form of the Issuer's Common Stock upon distribution. Patricia C. Cosgel (Attorney-In-Fact) 2015-04-06