First Interstate BancSystem, Inc. (NASDAQ:FIBK), will make a presentation to analysts and investors attending the Sterne Agee Financial Institutions Investor Conference in Orlando, Florida on February 17 th, 2011

Presenters for the company will be Lyle R. Knight, President and CEO and Terrill Moore, Executive Vice President and CFO. The investor presentation will be available on the company’s website, http://www.fibk.com.

First Interstate BancSystem, Inc. is a financial services holding company, headquartered in Billings, Montana, with $7.5 billion in assets as of December 31, 2010. It is the parent company of First Interstate Bank, a community bank operating 72 offices throughout Montana, Wyoming and western South Dakota. As a recognized leader in community banking services with 23 consecutive years of profitability, First Interstate remains a family business whose culture is driven by strong family and corporate values, as well as a commitment to long-term organic growth, exemplary customer service, exceeding customer expectations through its products and services and supporting with leadership and resources, the communities it serves.

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