sched14a.htm
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549
SCHEDULE 14A INFORMATION
Proxy Statement Pursuant to Section 14(a) of the Securities
Exchange Act of 1934 (Amendment No.      )
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Filed by a Party other than the Registrant    o
 
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Preliminary Proxy Statement
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Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
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Definitive Proxy Statement
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Soliciting Material Pursuant to § 240.14a-12
 
MDU Resources Group, Inc.
(Name of Registrant as Specified in its Charter)
 (Name of Person(s) Filing Proxy Statement, if Other Than the Registrant)
 
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Additional Soliciting Materials, dated April 8, 2010, Relating to
Proxy Statement, dated March 12, 2010, for
Annual Meeting of Stockholders to be held April 27, 2010

Item 5 of our proxy statement asks stockholders to ratify the appointment of Deloitte & Touche LLP as our independent auditors for 2010.  In Item 5, we inadvertently stated that our draft engagement agreement with Deloitte & Touche LLP contained provisions for the waiver of the rights to pursue punitive damages awards or other forms of relief not based upon actual damages.   No proposal for waiver of such rights was made in the 2010 draft engagement and will not be part of the final agreement with Deloitte & Touche LLP.