Form DEFA14A MDU RESOURCES GROUP INC
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E-mailUNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 14A INFORMATION
Proxy Statement Pursuant to Section 14(a) of
the Securities Exchange Act of 1934
(Amendment No. )
Filed by the Registrant ý
Filed by a party other than the Registrant ¨
Check the appropriate box:
¨ Preliminary Proxy Statement
¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
¨ Definitive Proxy Statement
ý Definitive Additional Materials
¨ Soliciting Material under §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)
Payment of Filing Fee (Check all boxes that apply):
ý No fee required
¨ Fee paid previously with preliminary materials
¨ Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11
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