NISOURCE INC. — Director's Dealing 2011

Feb 1, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NISOURCE INC/DE (NI)
CIK: 0001111711
Period of Report: 2011-01-28

Reporting Person: Campbell Robert Dale (Senior VP, Human Resources)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-01-28	Common Stock	A	22764	$18.67	Acquired	120126.4791	Direct
2011-01-31	Common Stock	F	4448	$18.70	Disposed	115678.4791	Direct
2011-01-31	Common Stock	D	2859	—	Disposed	112819.4791	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	6070.1784	Indirect

Footnotes

F1: Includes shares acquired through the NiSource Inc. Employee Stock Purchase Plan through December 31, 2010.

F2: Includes shares acquired through the NiSource Inc. Retirement Savings Plan through December 31, 2010.