X0306 4/A 2015-12-16 2015-12-18 1 0001082510 UIL HOLDINGS CORP UIL 0001520191 DeBoissiere Alexander 157 CHURCH STREET P. O. BOX 1564 NEW HAVEN CT 06510 0 1 0 0 Sr VP Gov't Relations Common Stock 2015-12-16 4 D 0 6303.334 0.00 D 0 D Common Stock 2015-12-16 4 D 0 860.467 0.00 D 0 I By UIL Employee Stock Ownership Plan (KSOP) 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. This amendment is being filed to correct an administrative error that reported the ownership as direct and did not include the type of security on the Form 4 filed 12/18/2015. 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 Alexander DeBoissiere 2016-01-06