Attached files
| file | filename |
|---|---|
| S-1/A - FORM S-1/A - FIRST INTERSTATE BANCSYSTEM INC | c55325a1sv1za.htm |
Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
We
consent to the use in this Amendment No. 1 to the Registration Statement on Form S-1 of First Interstate BancSystem,
Inc. of our report dated February 19, 2010, relating to our audits of the consolidated financial
statements, appearing in the Prospectus, which is part of this Registration Statement.
We also consent to the reference to our firm under the caption “Experts” in such Prospectus.
Des Moines, Iowa
March 2, 2010
March 2, 2010