NiSource Inc. - 2012-06-14

Sold $250 million aggregate principal amount of 3.85% notes due February 15, 2023, and $500 million aggregate principal amount of 5.25% Notes due February 15, 2043, in an underwritten public offering to pay short-term borrowings and for general corporate purposes. BNP Paribas Securities Corp., Citigroup Global Markets Inc., U.S. Bancorp Investments, Inc. and Wells Fargo Securities, LLC acted as joint book-running managers for the offering. Mizuho Securities USA Inc., PNC Capital Markets LLC and Scotia Capital (USA) Inc. acted as senior co-managers. Bank of New York Mellon, Fifth Third Securities, Inc. and The Huntington Investment Company acted as co-managers.