2012 Guidance ReaffirmedAt today's meeting, NiSource also affirmed that it remains on track to deliver net operating earnings in line with its full-year outlook for 2012, which is $1.40 to $1.50 per share (non-GAAP*).The presentation from today's Investor Day is available in the Investor section of nisource.com ( http://ir.nisource.com/events.cfm). A full replay of the Investor Day will be available on nisource.com starting on Sept. 13, 2012. About NiSourceNiSource Inc., based in Merrillville, Ind., is a Fortune 500 company engaged in natural gas transmission, storage and distribution, as well as electric generation, transmission and distribution. NiSource operating companies deliver energy to 3.8 million customers located within the high-demand energy corridor stretching from the Gulf Coast through the Midwest to New England. Information about NiSource and its subsidiaries is available via the Internet at www.nisource.com. NI-F Caution Regarding Forward-Looking StatementsThis news release contains forward-looking statements within the meaning of federal securities laws. These forward-looking statements are subject to various risks and uncertainties. Examples of forward-looking statements include statements and expectations regarding future dividends, operating earnings growth, earnings per share growth, capital investments, financing needs and plans, and investment opportunities. Factors that could cause actual results to differ materially from the projections, forecasts, estimates and expectations discussed in these presentations include, among other things, weather; fluctuations in supply and demand for energy commodities; growth opportunities for NiSource's businesses; increased competition in deregulated energy markets; the success of regulatory and commercial initiatives; dealings with third parties over whom NiSource has no control; actual operating experience of NiSource's assets; the regulatory process; regulatory and legislative changes; changes in general economic, capital and commodity market conditions; and counter-party credit risk, and the matters set forth in the "Risk Factors" section in NiSource's 2011 Form 10-K (which section is incorporated herein by reference) and in conjunction with other SEC reports filed by NiSource, many of which are beyond the control of NiSource. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date of this presentation. Future earnings are illustrative only and do not constitute guidance by the Company. NiSource expressly disclaims a duty to update any of the forward-looking statements contained in this news release. * With regard to Net Operating Earnings Guidance for 2012 – it should be noted that there will likely be differences between net operating earnings and GAAP earnings for matters including, but not limited to, weather, restructuring costs and accounting changes NiSource is not able to estimate the impact of such items on GAAP earnings and, as such, is not providing earnings guidance on a GAAP basis. SOURCE NiSource Inc.