Document:

ex4_17.htm

     

     

     

     

     

     

     

     

    EXHIBIT 4.17

     

     

     

     

     

     

     

     

    
      
        
           

        

        
           

          
            

          

        

        
           

        

      

    

     

    Exhibit
4.17

     

     

    INSTRUMENT
OF

    AMENDMENT
TO THE

    MDU
RESOURCES GROUP, INC.

    401(k)
RETIREMENT PLAN

    
 

    The MDU Resources
Group, Inc. 401(k) Retirement Plan, (as amended and restated December 1, 2006)
(the “Plan”), is hereby further amended as follows:

    

    

    
      	
              1.  

            	
              Effective as
      of July 16, 2007, by replacing Section 2 of Supplement D-40, Provisions Relating to
      the Ames Sand & Gravel, Inc. Profit Sharing Feature, in its
      entirety with the following:

            

    

    

    
      	
              2.  

            	
              Eligibility to Share
      in the Profit Sharing Contributions.  In order to share
      in the allocation of any profit sharing contribution made by Ames pursuant
      to Paragraph 3 below for a given Plan Year, Participants employed by Ames
      must (a) have completed 1,000 Hours of Service (prorated for the Plan Year
      in which the profit sharing feature becomes effective) in that Plan Year,
      (b) have made Savings Contributions to the Plan during the Plan Year of
      not less than one percent (1%) of their Compensation, and (c) be an Active
      Employee on the last day of the Plan Year.  However, any
      Eligible Employee who transfers to Knife River Corporation or any of its
      operating companies during the Plan Year and is employed by that company
      on the last day of the Plan Year will be eligible to receive a pro-rated
      profit sharing contribution for the portion of the Plan Year during which
      the Participant was employed by Ames so long as the Eligible Employee has
      completed 1,000 Hours of Service cumulatively during the Plan
      Year.  Participants who meet the preceding requirement are
      referred to herein as “Supplement D-40
  Participants”.

            

    

    

    For purposes of
this Supplement, an “Active Employee” means an employee who is still on the
payroll or has been temporarily laid off or who terminated employment due to
Disability, Death, or attaining age 65 during such Plan Year, but does not mean
an employee whose employment has been terminated effective on or before December
31 of that Plan Year.

    

    Explanation: This revision
amends Supplement D-40 to provide for pro-ration of contributions in the year
the profit sharing feature is implemented.

     

    
      

      
        	
                2.  

              	
                      
                  Effective as
      of October 15, 2007, by replacing Sections 2-4 of Supplement D-1, Provisions Relating to
      the Knife River Corporation – North Central Profit Sharing Feature,
      in their entirety with the
  following:

                

              

      

      
 

    

     

    
      
         

      

      
        1

        
          

        

      

      
         

      

    

    
      
        	
                 
      

              	
                2.

              	
                Eligibility to Share
      in Profit Sharing Contribution.  In order to share in the
      allocation of any profit sharing contribution made by KRC – North Central
      pursuant to paragraph 3 below for a given Plan Year, Participants employed
      by KRC – North Central (or its division Knife River – North Dakota
      Division (“KR-NDD”))  must (a) have completed 1,000 Hours of
      Service in that Plan Year (prorated for acquired companies in the Plan
      Year of the acquisition), (b) have made Savings Contributions to the Plan
      during the Plan Year of not less than one percent (1%) of their
      Compensation, and (c) be an Active Employee of KRC – North Central (or its
      division KR-NDD) on the last day of the Plan Year.  However, any
      Eligible Employee who transfers to Knife River Corporation or any of its
      operating companies during the Plan Year and is employed by that company
      on the last day of the Plan Year will be eligible to receive a pro-rated
      profit sharing contribution for the portion of the Plan Year during which
      the Participant was employed by KRC – North Central or its wholly-owned
      subsidiaries so long as the Eligible Employee has completed 1,000 Hours of
      Service cumulatively during the Plan Year. Moreover, Eligible Employees
      who commenced employment with KR-NDD as a result of the Dakota Ready Mix,
      Inc. acquisition will be eligible to receive a pro-rated 2007 profit
      sharing contribution as long as the Eligible Employee completed a
      cumulative total of 1,000 Hours of Service during the 2007 Plan Year
      between both entities.  Participants who meet the preceding
      requirement are referred to herein as “Supplement D-1
      Participants.”

              
	 	 	 
	 	 	      
                         
      For purposes of this Supplement, an “Active Employee” means an employee
      who is still on the payroll, has been temporarily laid off, or who
      terminated employment due to Disability, Death or Retirement on or after
      attaining age 65 during such Plan Year, but does not mean an employee
      whose employment otherwise has terminated effective on or before December
      31 of that Plan Year.

              

      

    

     

    
      
        	
                 
      

              	
                3.

              	
                Amount of Profit
      Sharing Contributions, Allocation.  For each Plan Year,
      the Board of Directors of KRC – North Central, in its discretion, shall
      determine the amount (if any) of profit sharing contributions to be made
      to the Plan based upon the profitability of KRC – North
      Central.  The amount (if any) of profit sharing contributions
      for KRC – North Central and each of its divisions shall be determined
      separately based upon profitability of each respective division of KRC –
      North Central. The amount of any such contribution for a Plan
      Year

              

      

      

    

    
      
         

      

      
        2

        
          

        

      

      
         

      

    

    shall be allocated
to Supplement D-1 Participants based upon their Compensation, excluding bonuses,
received while employed by KRC – North Central, or the respective division of
KRC – North Central, for that Plan Year; provided that in the case of any
Supplement D-1 Participant who was a Davis-Bacon Employee at any time during the
Plan Year and who received one or more Davis-Bacon Supplemental Contributions
during the Plan Year pursuant to paragraph G-6 of the Supplement G, such
Supplement D-1 Participant’s share of the profit sharing contribution allocated
un this paragraph D-1 shall be reduced, but not below zero, by any such
Davis-Bacon Supplemental Contributions made during the Plan Year pursuant to
paragraph G-6 of Supplement G. Any profit sharing contributions allocated to a
Davis-Bacon Employee under this Supplement D-1 shall be credited to the
Davis-Bacon Employee’s Profit Sharing Account.

    

    
      	
               
      

            	
              4.

            	
              Vesting.  Notwithstanding
      anything in Section 4.2 to the contrary, Supplement D-1 Participants shall
      be vested in their Profit Sharing Accounts only upon completing three (3)
      years of Vesting Service as defined
below.

            

    

    

    
      	
               
      

            	
                       
      A “Year of Vesting Service” means a Plan Year in which the Supplement D-1
      Participant completes at least 1,000 Hours of Service.  In
      addition, service with KRC – North Central, the Company, and all
      Affiliates that occurred prior to the effective date of Supplement D-1
      shall be recognized for purposes of this Paragraph, applying these rules
      as if KRC – North Central (and its affiliates at that time) were
      Affiliates under the Plan. In addition, service with Dakota Ready Mix,
      Inc. that occurred prior to October 15, 2007, shall be recognized for
      purposes of this Paragraph, applying these rules as if Dakota Ready Mix,
      Inc. was an Affiliate under the Plan. Notwithstanding the foregoing, a
      Participant shall be fully vested in his or her Profit Sharing Account
      upon Death, Disability, or attaining age
65.

            

    

    

    

    Explanation: This revision amends
Supplement D-1 to allow Knife River – North
Dakota Division to prorate 2007 profit sharing contributions and grant prior
vesting service to employees of Dakota Ready Mix, Inc. who were employed at the
time of acquisition by Knife River – North Dakota Division.

    

    

    
      
         

      

      
        3

        
          

        

      

      
         

      

    

    IN WITNESS WHEREOF,
MDU Resources Group, Inc., as Sponsoring Employer of the Plan, has caused this
amendment to be duly executed by a member of the MDU Resources Group, Inc.
Employee Benefits Administrative Committee on this 13th day of February,
2008.

    

     

    
      
        
          	 	
                  MDU RESOURCES
      GROUP, INC.

                  
                    
                      EMPLOYEE
      BENEFITS

                      ADMINISTRATIVE
      COMMITTEE

                    

                  

                	 
	 	 	 	 
	
                   

                	
                  By:
      

                	/s/ Vernon
      A. Raile	 
	 	 	Vernon A.
      Raile, Acting Chairman	 
	 	 	 	 

        

         

      

    

    
4ex4_18.htm

     

     

     

     

     

     

     

     

    EXHIBIT 4.18

     

     

     

     

     

     

     

     

    
      
        
           

        

        
           

          
            

          

        

        
           

        

      

    

     

    Exhibit
4.18

     

     

    INSTRUMENT
OF

    AMENDMENT
TO THE

    MDU
RESOURCES GROUP, INC.

    401(k)
RETIREMENT PLAN

    

    The MDU Resources
Group, Inc. 401(k) Retirement Plan, (as amended and restated December 1, 2006)
(the “Plan”), is hereby further amended as follows:

    
      

      

      
        	
                1.

              	
                Effective as
      of January 1, 2008, by replacing Section 2 of Supplement D-12, Provisions Relating to
      the Frebco, Inc. Profit Sharing Feature, in its entirety with the
      following:

              

      

       

      
        	
                2.  

              	
                Eligibility to Share
      in Profit Sharing Contributions.  In order to share in
      the allocation of any Profit Sharing Contribution made by Frebco pursuant
      to Paragraph 3 below for a given Plan Year, Participants employed by
      Frebco must complete 1,000 Hours of Service in that Plan Year and be
      employed by Frebco on the last day of the Plan Year; provided, however,
      that if the Participant’s failure to complete 1,000 Hours of Service in
      the Plan Year and be employed by Frebco on the last day of the Plan Year
      is due to the Participant’s Disability, Death or Retirement on or after
      attaining age 65 during such Plan Year, such Participant shall
      nevertheless be entitled to share in the allocation of the Profit Sharing
      Contribution for such Plan Year.  Participants who meet the
      preceding requirement are referred to herein as “Supplement D-12
      Participants.”

              

      

      

      Explanation: This amends Supplement D-12 to
require employment on December 31 of
the Plan Year to be eligible for the profit sharing
contribution.

      

      
        	
                2.  

              	
                Effective as
      of January 1, 2008, by replacing Section 2 of Supplement D-14, Provisions Relating to
      the Wagner-Smith Equipment Co. Profit Sharing Feature, in its
      entirety with the following:

              

      

       

      
        	
                2.  

              	
                Eligibility to Share
      in Profit Sharing Contributions.  In order to share in
      the allocation of any Profit Sharing Contribution made by Wagner-Smith
      Equipment pursuant to Paragraph 3 below for a given Plan Year,
      Participants employed by Wagner-Smith Equipment must complete 1,000 Hours
      of Service in that Plan Year and be employed by Wagner-Smith Equipment on
      the last day of the Plan Year; provided, however, that if the
      Participant’s failure to complete 1,000 Hours of Service in the Plan Year
      and be employed by Wagner-Smith Equipment on the last day of the Plan Year
      is due to the Participant’s Disability, Death or Retirement on or after
      attaining age 65 during such Plan Year, such Participant shall
      nevertheless be entitled to share in the allocation of the Profit
      Sharing

              

      

      
        
           

        

        
          1

          
            

          

        

        
           

        

      

      Contribution for
such Plan Year.  Participants who meet the preceding requirement are
referred to herein as “Supplement D-14 Participants.”

      

      Explanation: This amends Supplement D-14 to
require employment on December 31 of
the Plan Year to be eligible for the profit sharing
contribution.

      

      

      
        	
                3.

              	
                Effective as
      of July 2, 2007, by replacing the language of Supplement D-19, Provisions Relating to
      the Cascade Natural Gas Corporation Special Contribution, Special
      Transition Contribution, and Profit Sharing Feature, in its
      entirety with the following:

              

      

      

      Supplement
D-19 to the Plan Document

      

      Provisions
Relating to the

      Cascade
Natural Gas Corporation

      Special
Contribution, Special Transition Contribution, and Profit Sharing
Feature

      

      
        	
                1.  

              	
                Introduction.
      Effective July 2, 2007, Cascade Natural Gas Corporation (“Cascade”) became
      a Participating Affiliate in the Plan and hereby established the Special
      Contribution, Special Transition Contribution, and Profit Sharing Feature
      described in this Supplement D-19.    In addition, for
      purposes of calculating Savings Contributions and Matching Contributions
      for Participants employed by Cascade, Compensation shall include incentive
      compensation.

              

      

      

      
        	
                2.  

              	
                Eligibility to Share
      in the Special Contribution, Special Transition Contribution, and Profit
      Sharing Feature. In order to share in the allocation of any Special
      Contribution, Special Transition Contribution, or Profit Sharing
      Contribution made by Cascade pursuant to Paragraph 3 or 4 for a given Plan
      Year, a Participant must be an Eligible Employee of Cascade, complete
      1,000 Hours of Service in that Plan Year (including Hours of Service at
      Cascade at any time during the Plan Year), and be (a) a non-bargaining
      unit employee, (b) a part of the CSR Bargaining Unit (“CBU”), or (c) a
      part of the Field Operations Bargaining Unit
      (“FOBU”).  Effective as of January 1, 2008, a Participant must
      also be employed by Cascade on the last day of the Plan Year in order to
      be eligible to share in the allocation of a Profit Sharing Contribution
      for such Plan Year. However, Participants who died or became disabled
      during the Plan Year or terminated after attaining age 65 are also
      eligible to share in the Profit Sharing Contribution, if any, for such
      Plan Year.  Participants who meet the preceding requirements are
      referred to herein as “Supplement D-19
  Participants.”

              

      

      

      
        	
                3.  

              	
                Amount of Special
      Contribution and Special Transition Contribution Allocation.
      Supplement D-19 Participants who are (a) non-bargaining unit employees,
      (b) part of the CBU, or (c) part of the FOBU hired on January 1, 2007 or
      later shall be eligible to receive a Special Contribution equal to 4% of
      such Supplement D-19 Participants’ eligible compensation under the Plan,
      plus incentive compensation.

              

      

      

       

      
        
           

        

        
          2

          
            

          

        

        
           

        

      

      In addition,
Supplement D-19 Participants hired on June 30, 2003, or before who are
non-bargaining unit employees or who are part of the CBU shall be eligible to
receive a Special Transition Contribution equal to 1% to 4% of such Supplement
D-19 Participants’ eligible compensation under the Plan, plus incentive
compensation, with the amount of such Special Transition Contribution determined
based upon such Supplement D-19 Participant’s age and service as was previously
determined under the Cascade Natural Gas Corporation Employee Retirement Savings
Plan; provided, however, that no Supplement D-19 Participant shall be eligible
for this Special Transition Contribution after September 30, 2008.

       

      

      
        	
                4.  

              	
                Amount of Profit
      Sharing Contribution Allocation. Supplement D-19 Participants who
      are non-bargaining unit employees or who are part of the CBU shall be
      eligible to receive a discretionary Profit Sharing Contribution of such
      Supplement D-19 Participants’ eligible compensation under the Plan which
      excludes incentive compensation.

              

      

      

       

      
        	
                5.  

              	
                Vesting.
      Notwithstanding anything in Section 4.2 to the contrary, Supplement D-19
      Participants shall be vested in their Special Contribution, Special
      Transition Contribution and Profit Sharing Contribution only upon
      completing three (3) years of Vesting Service as defined below; provided,
      however, that Supplement D-19 Participants hired prior to July 2, 2007
      shall be fully vested in their Special Contribution, Special Transition
      Contribution and Profit Sharing Contribution. Supplement D-19 Participants
      subject to a collective bargaining agreement will be vested according to
      the terms of the collective bargaining
  agreement.

              

      

      

       

        A "Year
of Vesting Service" means a Plan Year in which the Supplement D-19 Participant
completes at least 1,000 Hours of Service.  In addition, service with
any Affiliate that occurred prior to the effective date of Supplement D-19 shall
be recognized for purposes of this Paragraph. Notwithstanding the foregoing, a
Participant shall be fully vested in his or her Special Contribution Account,
Special Transition Contribution Account, and Profit Sharing Contribution Account
upon Death, Disability, or upon attaining age 65 if still employed with the
Company.

       

      
        	
                6.  

              	
                Use of Terms.
      Terms used in this Supplement D-19 shall, unless defined in this
      Supplement D-19 or elsewhere noted, have the meanings given to those terms
      in the Plan.

              

      

      

       

      
        
           

        

        
          3

          
            

          

        

        
           

        

      

      
        	
                7.  

              	
                Inconsistencies with
      the Plan. The terms of this Supplement D-19 are a part of the Plan
      and supersede the provisions of the Plan to the extent necessary to
      eliminate inconsistencies between the Plan and this Supplement
      D-19.

              

      

      

      Explanation: This change clarifies that, for
eligible employees of Cascade Natural Gas Corporation, the definition of
compensation used for purposes of calculating Savings Contributions, Matching
Contributions, Special Contributions and Special Transition Contributions (but
not Profit Sharing Contributions) is based on the sum of the employee’s eligible
compensation plus incentive compensation.  This change also provides
that, effective January 1, 2008, eligible employees of Cascade Natural Gas
Corporation must be employed by Cascade on the last day of the plan year to be
eligible to share in the profit sharing feature of the Plan.

       

      

      
        	
                4.

              	
                Effective as
      of January 1, 2008, by replacing Section 2 of Supplement D-24, Provisions Relating to
      the E.S.I. Profit Sharing Feature, in its entirety with the
      following:

              

      

       

      
        	
                 
      

              	
                2.

              	
                Eligibility to Share
      in Profit Sharing Contributions.  In order to share in
      the allocation of any Profit Sharing Contribution made by
      ESI  pursuant to Paragraph 3 below for a given Plan Year,
      Participants employed by ESI must complete 1,000 Hours of Service in that
      Plan Year and be employed by ESI on the last day of the Plan Year;
      provided, however, that if the Participant’s failure to complete 1,000
      Hours of Service in the Plan Year and be employed by ESI on the last day
      of the Plan Year is due to the Participant’s Disability, Death or
      Retirement on or after attaining age 65 during such Plan Year, such
      Participant shall nevertheless be entitled to share in the allocation of
      the Profit Sharing Contribution for such Plan
      Year.  Participants who meet the preceding requirement are
      referred to herein as “Supplement D-24
  Participants.”

              

      

      

      Explanation: This amends
Supplement D-24 to require employment on December 31 of the Plan Year to be
eligible for the profit sharing contribution.

       

      
        	
                5.  

              	
                Effective
      March 17, 2008, by removing Supplement D-33, Provisions Relating to
      the Fidelity Exploration & Production Company of Texas LLC Special
      Contribution Feature, in its
entirety.

              

      

      

      Explanation: This profit
sharing feature, Supplement D-33, is being removed due to the merger of Fidelity
Exploration & Production Company of Texas LLC into Fidelity Exploration
& Production Company.

      

      
        	
                6.

              	
                Effective as
      of August 31, 2007, by substituting the following for the first sentence
      of Section 4 of Supplement D-36, Provisions Relating to
      the JTL Group, Inc. Special Contribution
  Feature:

              

      

      

      
        
           

        

        
          4

          
            

          

        

        
           

        

      

      Notwithstanding
anything in Section 4.2 to the contrary, Supplement D-36 Participants shall be
vested in their Special Contribution only upon completing three (3) years of
Vesting Service as defined below; provided, however that Supplement D-36
Participants who were employed by Star Aggregates, Inc. on August 31, 2007,
shall be fully vested.

      

      Explanation: This change
provides for the special vesting rule applicable to JTL participants who were
employed by Star Aggregates, Inc. on the date of acquisition, August 31,
2007.

      

      7.           Effective
as of July 14, 2008, by adding the following entry to Schedule A to the
Plan:

      

      Anchorage Sand
& Gravel Company Inc. shall not make a matching contribution on behalf of
any of its employees participating in the Plan who are covered by a collective
bargaining agreement with Anchorage Sand & Gravel Company, Inc.

      

      Effective July 14,
2008.

      

      IN WITNESS WHEREOF,
MDU Resources Group, Inc., as Sponsoring Employer of the Plan, has caused this
Supplement to be duly executed by a member of the MDU Resources Group, Inc.
Employee Benefits Committee on this 16th day of June,
2008.

    
      
        
          	 	
                  MDU
      RESOURCES GROUP, INC

                  EMPLOYEE
      BENEFITS COMMITTEE

                	 
	 	 	 	 
	
                   

                	
                  By:
      

                	/s/ Vernon
      A. Raile	 
	 	 	Vernon A.
      Raile, Chairman	 
	 	 	 	 

        

      

    

     

     

    5

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