Item 2.02 Results of Operations and Financial Condition.
On January 28, 2013, First Interstate BancSystem, Inc. (the "Registrant") issued a press release regarding its financial results for the quarter ended December 31, 2012. A copy of the press release is furnished herewith as Exhibit 99.1 and is incorporated by reference herein. The information in this report shall not be treated as "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, nor shall it be deemed incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933 or the Securities Exchange Act of 1934.
Item 9.01 Financial Statements and Exhibits.
(c) Exhibit 99.1 - Press Release dated January 28, 2013 regarding the Registrant's financial results for the quarter ended December 31, 2012.

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