First Interstate BancSystem, Inc. (NASDAQ: FIBK), will make a presentation to analysts and investors attending the D. A. Davidson 14 th Annual Financial Services Investor Conference in Seattle, WA, on Wednesday, May 9, 2012 at 8:00 a.m. PT. Additionally, Edward Garding, President and CEO, will participate in a roundtable discussion at 10:30 a.m. PT. Garding and Terrill R. Moore, Executive Vice President and CFO, will present and field questions for the company. The presentation will be available through a live webcast and can be accessed at http://www.fibk.com. First Interstate BancSystem, Inc. is a financial services holding company, headquartered in Billings, Montana, with $7.4 billion in assets as of March 31, 2012. It is the parent company of First Interstate Bank, a community bank operating 71 offices throughout Montana, Wyoming, and western South Dakota. As a recognized leader in community banking services with 24 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.