First Interstate BancSystem, Inc. to Present at the Barclays Capital 2010 Global Financial Services Conference

First Interstate BancSystem, Inc. (NASDAQ: FIBK), will make a presentation to analysts and investors attending the Barclays Capital 2010 Global Financial Services Conference in New York on September 14, 2010, at 12:00 p.m. ET.

Presenters for the company will be Lyle R. Knight, President and CEO and Terrill Moore, Executive Vice President and CFO. The webcast can be accessed via the company’s website, http://www.fibk.com and will be available for replay.

First Interstate BancSystem, Inc. is a financial services holding company, headquartered in Billings, Montana, with $7.2 billion in assets as of June 30, 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 22 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.