X0306 4/A 2015-12-16 2015-12-18 1 0001082510 UIL HOLDINGS CORP UIL 0001497292 KELLY SUEDEEN G 157 CHURCH STREET P, O. BOX 1564 NEW HAVEN CT 06510 1 0 0 0 Common Stock 2015-12-16 4 D 0 2775 0.00 D 0 D Restricted Stock 2015-12-16 4 D 0 1965 0.00 D 0 D Phantom Stock Units 2015-12-16 4 D 0 2357.636 0.00 D Common Stock 2357.636 0 D Restricted Stock Units 2015-12-16 4 D 0 8587.37 0.00 D Common Stock 8587.37 0 D Disposed of pursuant to the merger of UIL Holdings Corporation (UIL) and Avangrid, Inc. (AGR) in exchange for a like number of shares of common stock of AGR plus $10.50 per share. Each share disposed of pursuant to the merger of UIL and AGR in exchange for 1.28059748557929000 shares of Restricted Stock of AGR. Phantom Stock Units represent directors' fees paid in shares of UIL Common Stock and deferred under Non-Employee Directors Common Stock and Deferred Compensation Plan (Plan). Payment of the phantom stock underlying the phantom stock unit is made at the time elected by the recipient pursuant to the terms and provisions of the Plan. Each share disposed of pursuant to the merger of UIL and AGR in exchange for cash in the amount of $51.525 per phantom stock unit. Restricted Stock Units represent restricted shares granted to the recipient and deferred under UIL's Deferred Compensation Plan (DCP). Payment of the restricted stock underlying the restricted stock unit is made at the time elected by the recipient pursuant to the terms and provisions of the DCP. Each share disposed of pursuant to the merger of UIL and AGR in exchange for 1.28059748557929000 shares of Restricted Stock Units of AGR. All securities listed on this amendment were incorrectly labelled as acquisitions on the Form 4 filed 12/18/2015. /s/ Patricia C. Cosgel, attorney-in-fact for Suedeen G. Kelly 2016-01-06