Washington D.C. 20549
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of report (date of earliest event reported): May 24, 2011
(Exact name of registrant as specified in its charter)
Montana   001-34653   81-0331430
(State or other jurisdiction of
incorporation or organization)
File No.)
  (IRS Employer
Identification No.)
401 North 31st Street, Billings, MT 59101
(Address of principal executive offices)
(406) 255-5390
(Registrant’s telephone number, including area code)
Not Applicable
(Former name or former address, if changed since last report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the Registrant under any of the following provisions:
o   Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o   Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o   Pre-commencement communications pursuant to Rule 14d-2(b) under Exchange Act (17 CFR 240.14d-2(b))
o   Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))



Item 5.07   Submission of Matters to a Vote of Security Holders
On May 24, 2011, First Interstate BancSystem, Inc. (the “Registrant”) held an annual meeting of its shareholders. The proposals voted upon at the annual meeting and the voting results for each proposal are as follows:
Proposal No. 1 — To elect as directors the nominees proposed by the board of directors of the Registrant, to three-year terms expiring in 2014, or until their respective successors have been elected and qualified.
Nominee   For     Against     Abstain     Broker non-votes  
Steven J. Corning
    106,022,508       71,923       5,674       3,220,455  
Charles E. Hart
    105,946,069       147,562       6,474       3,220,455  
James W. Haugh
    105,859,222       233,873       7,010       3,220,455  
Charles M. Heyneman
    103,617,847       463,588       2,018,670       3,220,455  
Thomas W. Scott
    105,627,818       467,993       4,294       3,220,455  
Michael J. Sullivan
    106,018,881       77,120       4,104       3,220,455  
Martin A. White
    104,026,205       76,766       1,997,134       3,220,455  
Proposal No. 2 — To ratify the appointment of McGladrey & Pullen, LLP as the Registrant’s independent registered public accounting firm for the fiscal year ending December 31, 2011.
For   Against   Abstain   Broker non-votes
  83,905   83,651   0
Proposal No. 3 — Advisory vote on executive compensation.
For   Against   Abstain   Broker non-votes
105,995,219   97,965   6,921   3,220,455
Proposal No. 4 — Advisory vote on the frequency of future advisory votes on executive compensation.
One Year   Two Years   Three Years   Abstain   Broker non-votes
12,418,717   92,975,581   674,457   31,350   3,220,455



     Pursuant to the requirements of the Securities and Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
Dated: May 27, 2011
  By:   /s/ LYLE R. KNIGHT    
    Lyle R. Knight   
    President and Chief Executive Officer