NISOURCE INC. — Director's Dealing 2017

May 3, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NISOURCE INC/DE (NI)
CIK: 0001111711
Period of Report: 2017-05-01

Reporting Person: Vegas Pablo (EVP, Gas Business Seg & CCO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-05-01	Common Stock	A	4151	$24.09	Acquired	109301	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	22674.643	Indirect

Footnotes

F1: Includes additional performance share units granted on May 1, 2017 in connection with increased responsibilities. These units are scheduled to vest three years after January 26, 2017 and upon satisfaction of performance measures approved by the Compensation Committee.

F2: Includes shares acquired through the NiSource Inc. Retirement Savings Plan through March 31, 2017.