X0306 4 2013-01-24 0001111711 NISOURCE INC/DE NI 0001079621 KETTERING GLEN L 801 E. 86TH AVENUE MERRILLVILLE IN 46410 1 Sr VP Corporate Affairs Common Stock 2013-01-24 4 A 0 2792 26.50 A 91525 D Common Stock 2013-01-24 4 A 0 18868 26.50 A 110393 D Common Stock 41249.0739 I 401(k) Plan Phantom Stock 0 Common Stock 44243 44243 D Includes additional shares acquired due to the performance adjustment of performance shares granted in March 2010. Includes performance shares granted on January 24, 2013. Includes shares acquired through the NiSource Inc. Retirement Savings Plan through 12/31/2012 and an adjustment of shares between 401(k) and brokerage account. The phantom stock units are to be settled following the reporting person's retirement or other termination. Gary W. Pottorff, attorney-in-fact for Glen L. Kettering 2013-01-25