Document:

ex4_15.htm

     

     

     

     

     

     

     

     

    EXHIBIT 4.15

     

     

     

     

     

     

     

     

    
      
        
           

        

        
           

          
            

          

        

        
           

        

      

    

     

    Exhibit
4.15

     

     

    INSTRUMENT
OF

    AMENDMENT
TO THE

    MDU
RESOURCES GROUP, INC.

    401(k)
RETIREMENT PLAN

    

    
      Effective January
1, 2008, the MDU Resources Group, Inc. 401(k) Retirement Plan, as amended and
restated December 31, 2006, (the “Plan”), is hereby further amended by adding a
new Supplement D-39 to the Plan, as follows:

    

     

    Supplement
D-39 to the Plan Document

    

    Provisions
Relating to the

    Montana-Dakota
Utilities Co.

    Profit
Sharing Feature

    

    
      	
               
      

            	
              1.

            	
              Introduction.
      Effective January 1, 2008, Montana-Dakota Utilities Co. (“MDU”), a
      Participating Affiliate in the Plan, has established the profit sharing
      feature described in this Supplement D-39. The profit sharing feature
      shall be effective as of January 1, 2008, and shall be in addition to the
      Matching and Special Contributions provided by MDU pursuant to the
      Plan.

            

    

    

    
      	
               
      

            	
              2.

            	
              Eligibility to Share
      in Profit Sharing Contribution. In order to share in the allocation
      of any profit sharing contribution made by MDU pursuant to Paragraph 3
      below for a given Plan Year, non-union and union Participants employed by
      MDU must complete 1,000 Hours of Service in that Plan Year and be an
      Active Employee of MDU on the last day of the Plan Year. 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 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 Managing
      Committee of MDU, in its discretion, shall determine the amount (if any)
      of profit sharing contributions to be made to the Plan based upon the
      profitability of MDU. The amount of any such contribution for a Plan Year
      shall be allocated to Supplement D-39 Participants, based upon their
      Compensation, excluding bonuses, received while employed by MDU for that
      Plan Year.

              
	 	 	 
	
                 
      

              	
                4.

              	
                Vesting.
      Notwithstanding anything in Section 4.2 to the contrary, Supplement D-39
      Participants shall be vested in their Profit
  Sharing

              

      

    

    
      
         

      

      
        1

        
          

        

      

      
         

      

    

    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-39 Participant completes at
least 1,000 Hours of Service. In addition, service with MDU, the Company and all
Affiliates that occurred prior to the effective date of Supplement D-39 shall be
recognized for purposes of this Paragraph, applying these rules as if MDU (and
its affiliates at that time) were Affiliates 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.

    

    
      	
               
      

            	
              5.

            	
              Use of Terms.
      Terms used in this Supplement D-39 shall, unless defined in this
      Supplement D-39 or elsewhere noted, have the meanings given to those terms
      in the Plan.

            

    

    

    
      	
               
      

            	
              6.

            	
              Inconsistencies with
      the Plan. The terms of this Supplement D-39 are a part of the Plan
      and supersede the provisions of the Plan to the extent necessary to
      eliminate inconsistencies between the Plan and the Supplement
      D-39.

            

    

     

     

    
      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 Administrative Committee (“EBAC”) on this 14th day of
December, 2007.
             

     

    
      
        	 	
                MDU RESOURCES
      GROUP, INC.

                EMPLOYEE
      BENEFITS

                ADMINISTRATIVE
      COMMITTEE

              	 
	 	 	 	 
	
                 

              	
                By:
      

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

      

    

    
 

    2ex4_16.htm

     

     

     

     

     

     

     

     

    EXHIBIT 4.16

     

     

     

     

     

     

     

     

    
      
        
           

        

        
           

          
            

          

        

        
           

        

      

    

     

    Exhibit
4.16

     

     

    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, effective as of January 1, 2008, unless
otherwise indicated, as follows:

    

    
      	
              1.  

            	
              By replacing
      the language of Sections 2 and 3 of Supplement D-11, Provisions Relating to the Knife River
      Corporation–South Profit Sharing Feature, in their entirety with
      the following:

            

    

    

     

    
      	
               
      

            	
              2.

            	
              Eligibility to Share
      in Profit Sharing Contribution.  In order to share in the
      allocation of any profit sharing contribution made by KRC-South pursuant
      to Paragraph 3 below for a given Plan Year, Participants employed by
      KRC-South (or its East Texas Division) must complete 1,000 Hours of
      Service in that Plan Year and be an Active Employee of KRC-South (or its
      East Texas Division) 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-South 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-11
  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 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-South, 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-South.  The amount (if any)
      of profit sharing contributions for KRC-South and each of its divisions
      shall be determined separately based upon the profitability of each
      respective division of KRC-South.  The
  amount

              

      

       

    

    
      
         

      

      
        1

        
          

        

      

      
         

      

    

    of any such
contributions for a Plan Year shall be allocated to Supplement D-11 Participants
based upon their Compensation, excluding bonuses, received while employed by
KRC-South, or the respective division of KRC-South, for that Plan
Year.

     

    

    Explanation:  This revision amends
Supplement D-11, Knife River Corporation-South Profit Sharing Feature, to
include the separate divisions of Knife River Corporation-South and to clarify
that profitability is based upon the financial performance of each respective
division.

     

    
      	
              2.  

            	
              Effective as
      of July 16, 2007, by adding the following new Supplement D-40 to the
      Plan:

            

    

    

    Supplement D-40 to the Plan
Document

    

    Provisions
Relating to the

    Ames
Sand & Gravel, Inc. Profit Sharing Feature

    

    
      	
              1.  

            	
              Introduction.  Effective
      July 16, 2007, Ames Sand & Gravel, Inc. (“Ames”), a Participating
      Affiliate in the Plan, established the profit sharing feature described in
      this Supplement.  The profit sharing feature, effective as of
      July 16, 2007, is in addition to the Standard Matching Contributions
      provided by Ames pursuant to the
Plan.

            

    

    

    
      	
              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 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

     

    
      
         

      

      
        2

        
          

        

      

      
         

      

    

    mean an employee
whose employment has been 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 Ames, in its discretion, shall determine the
      amount (if any) of profit sharing contribution to be made to the Plan
      based upon the profitability of Ames.  The amount of any such
      contributions for a Plan Year shall be allocated to Supplement D-40
      Participants based upon the profitability of Ames.  The amount
      of any such contribution for a Plan Year shall be allocated to Supplement
      D-40 Participants based upon their Compensation, excluding bonuses,
      received while employed by Ames for that Plan
  Year.

            

    

    

    
      	
              4.  

            	
              Vesting.  Notwithstanding
      anything in Section 4.2 to the contrary, Supplement D-40 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-40 Participant completes at
least 1,000 Hours of Service.  In addition, service with Ames, the
Company and all Affiliates that occurred prior to the effective date of
Supplement D-40 shall be recognized for purposes of this Paragraph, applying
these rules as if Ames were Affiliates under the
Plan.  Notwithstanding the foregoing, a Participant shall be fully
vested in his or her Profit Sharing Contribution Account upon Death, Disability,
or upon attaining age 65.

     

    
      	
              5.  

            	
              Use of
      Terms.  Terms used on this Supplement D-40 shall, unless
      defined in this Supplement D-40 or elsewhere noted, have the meanings
      given to those terms in the Plan.

            

    

    

    
      	
              6.  

            	
              Inconsistencies with
      the Plan.  The terms of this Supplement D-40 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-40.

            

    

    

    Explanation:  This
addendum provides for the profit sharing feature available to the employees of
Ames Sand & Gravel, Inc.

     

    
      	
              3.

            	
              Effective as
      of June 25, 2007, by substituting the following for the “Coordinating and
      Planning Services, Inc.” provisions in Schedule A of the
    Plan:

            

    

     

    Coordinating and
Planning Services, Inc. (“CPS”) shall not make a matching contribution of each
CPS employee’s participating savings contribution; however, effective
June 25, 2007, CPS shall no longer be a Participating Affiliate under
the terms of the Plan and correspondingly

    
      
         

      

      
        3

        
          

        

      

      
         

      

    

    shall not make a
matching contribution for any pay period beginning on or after June 25,
2007.

    

    Explanation: This change provides that
effective June 25, 2007, Coordinating and Planning Services, Inc. shall no
longer be a participating affiliate in the Plan because the company has not had
any employees in its employ as of that date.

    

    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 14th day of
December, 2007.

     

     

    
      
        	 	
                MDU RESOURCES
      GROUP, INC.

                
                  EMPLOYEE
      BENEFITS

                  ADMINISTRATIVE
      COMMITTEE

                

              	 
	 	 	 	 
	
                 

              	
                By:
      

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

      

    

    
4

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