Attached files
| file | filename |
|---|---|
| 10-K - FORM 10-K - FIRST INTERSTATE BANCSYSTEM INC | c63294e10vk.htm |
| EX-32 - EX-32 - FIRST INTERSTATE BANCSYSTEM INC | c63294exv32.htm |
| EX-31.1 - EX-31.1 - FIRST INTERSTATE BANCSYSTEM INC | c63294exv31w1.htm |
| EX-14.1 - EX-14.1 - FIRST INTERSTATE BANCSYSTEM INC | c63294exv14w1.htm |
| EX-31.2 - EX-31.2 - FIRST INTERSTATE BANCSYSTEM INC | c63294exv31w2.htm |
| EX-21.1 - EX-21.1 - FIRST INTERSTATE BANCSYSTEM INC | c63294exv21w1.htm |
Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
We consent to the incorporation by reference in the Registration Statements (Form S-8 No.
333-106495 and Form S-8 No. 333-69490) pertaining to the First Interstate BancSystem, Inc. 2001
Stock Option Plan, as amended; and Registration Statement (Form S-8 No. 333-133837) pertaining to
the First Interstate BancSystem, Inc. 2006 Equity Compensation Plan, as amended, of our reports
dated February 28, 2011, relating to our audits of the consolidated financial statements and
internal control over financial reporting which appear in the Annual Report on Form 10-K of First
Interstate BancSystem, Inc. for the year ended December 31, 2010.
| /s/ MCGLADREY & PULLEN, LLP
|
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| Des Moines, Iowa | ||||
| February 28, 2011 | ||||