NISOURCE INC. — Director's Dealing 2018

May 9, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NISOURCE INC/DE (NI)
CIK: 0001111711
Period of Report: 2018-05-09

Reporting Person: BUTLER ERIC L (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-05-08	Common Stock	A	5478.088	$25.10	Acquired	9686.622	Direct

Footnotes

F1: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Company's common stock pursuant to the NiSource Inc. 2010 Omnibus Incentive Plan. The RSUs are granted as part of the non-employee director's annual compensation and vest in full on the last day of the director's annual term for which the RSUs are awarded, subject to certain acceleration conditions.