Document:

exhibit10a.htm

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 June 1, 2009) (the “Plan”), is hereby further amended, effective May 1, 2010, unless otherwise indicated, as follows:

	
1.  

	
By replacing the table in Section D-1-2 Eligibility to Share in the Profit Sharing Feature of Supplement D-1,  Provisions Relating to the Profit Sharing Feature for Certain Participating Affiliates, with the following table:

	
Participating Affiliate

	
Current Effective Date

(Original Effective Date)

	
Anchorage Sand & Gravel Company, Inc. (excluding President)

	
January 1, 1999

	
Baldwin Contracting Company, Inc.

	
January 1, 1999

	
Bell Electrical Contractors, Inc.

	
January 1, 2002

	
Bitter Creek Pipelines, LLC1

	
January 1, 2010

(January 1, 2001)

	
Concrete, Inc.

	
January 1, 2001

	
Connolly-Pacific Co.

	
January 1, 2007

	
DSS Company2

	
January 1, 2004

(July 8, 1999)

	
E.S.I., Inc.

	
January 1, 2008

(January 1, 2003)

	
Fairbanks Materials, Inc.

	
May 1, 2008

	
Frebco, Inc.

	
January 1, 2008

(July 1, 2000)

	
Granite City Ready Mix, Inc.

	
June 1, 2002

	
Great Plains Natural Gas Co.

	
January 1, 2008

	
Hawaiian Cement (non-union employees hired after December 31, 2005)

	
January 1, 2009

	
Jebro Incorporated

	
November 1, 2005

	
Kent’s Oil Service

	
January 1, 2007

	
Knife River Corporation – Northwest (the Central Oregon Division, f/k/a HTS)

	
January 1, 2010

(January 1, 1999)

	
Knife River Corporation – Northwest (the Southern Idaho Division)

	
January 1, 2010

(January 1, 2006)

  

1

  

 

	
Participating Affiliate

	
Current Effective Date

(Original Effective Date)

	
Knife River Corporation – Northwest (the Spokane Division)

	
January 1, 2010

(January 1, 2006)

	
Knife River Corporation - South   (f/k/a Young Contractors, Inc.)

	
January 1, 2008

(January 1, 2007)

	
LTM, Incorporated

	
January 1, 2003

 

	
Montana-Dakota Utilities Co. (including union employees)

	
January 1, 2008

	
Wagner Industrial Electric, Inc.

	
January 1, 2008

 

	
Wagner Smith Equipment Co.

	
January 1, 2008

(July 1, 2000)

	
WBI Holdings, Inc.1

	
January 1, 2009

 

	
WHC, Ltd.

	
September 1, 2001

 

	
Williston Basin Interstate Pipeline Company1

	
January 1, 2009

 

1 Requirement to be an Active Employee on the last day of the Plan Year does not apply.  Eligible employees participating in a management incentive compensation plan or an executive incentive compensation plan are not eligible for a Profit Sharing Contribution.  Employees of the Total Corrosion Solutions division of Bitter Creek Pipelines, LLC are excluded from this feature.

2 In the event a Participating Affiliate adopts a Profit Sharing Feature, effective as of the date of participation in the Plan, the amount of any such contribution allocated to a Supplement D-1 Participant shall be based upon Compensation, excluding bonuses, received while in the employ of the Participating Affiliate after the date of acquisition by the Company or any Affiliate.

Explanation: This amendment removes KRC Aggregate, Inc. as a Participating Affiliate of Supplement D-1 of the Plan as of May 1, 2010, the date KRC Aggregate, Inc. merged into Concrete, Inc.  In accordance with the provisions of this Supplement D-1, hours of service completed with KRC Aggregate, Inc. are recognized for purposes of this amendment.

	
2.  

	
By amending the following entry to Schedule A to the Plan:

For employees hired prior to May 1, 2010, WHC, Ltd. (WHC) shall make a matching contribution equal to one hundred percent (100%) of each WHC employee’s participating savings contribution, up to the maximum savings contribution of five (5%) of compensation for each pay period. For employees hired on or after May 1, 2010, WHC, Ltd. (WHC) shall make a matching contribution equal to fifty percent (50%) of each WHC employee’s participating savings contribution, up to the maximum savings contribution of six (6%) of compensation for each pay period.

Explanation: This change updates Schedule A to change the matching contribution for eligible employees of WHC hired on or after May 1, 2010,  as a result of standardizing retirement benefits for the Pacific Region of Knife River Corporation.

  

2

  

	
3.  

	
By adding the following new entries to Schedule B:

Knife River Corporation – North Central (dba Knife River – North Dakota Division) shall make supplemental contributions on behalf of its Davis-Bacon Employees in such amounts as may be necessary to satisfy the Prevailing Wage Law’s required fringe cost to the extent that the sum of the employer Matching and Profit Sharing Contributions, if any, for a period are insufficient to satisfy the Prevailing Wage Law’s required fringe cost pursuant to Supplement G.

 

Effective as of May 1, 2010.

 

 ***************************************

 

Ames Sand & Gravel, Inc. shall make supplemental contributions on behalf of its Davis-Bacon Employees in such amounts as may be necessary to satisfy the Prevailing Wage Law’s required fringe cost to the extent that the sum of the employer Matching and Profit Sharing Contributions, if any, for a period are insufficient to satisfy the Prevailing Wage Law’s required fringe cost pursuant to Supplement G.

 

Effective as of May 1, 2010.

 

***************************************

Explanation: This amendment provides the manner in which the above Participating Affiliates are implementing the provisions of the Davis-Bacon feature, Supplement G.

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 Committee (“EBC”) on this 28th day of May, 2010.

	  	
MDU RESOURCES GROUP, INC.

	  	
   EMPLOYEE BENEFITS COMMITTEE

	  	  	  
	  	  	  
	  	
By:

	
/s/ Doran N. Schwartz                           

	  	  	
Doran N. Schwartz, Chairman

  

3exhibit10b.htm

TERMINATION OF CHANGE OF CONTROL EMPLOYMENT AGREEMENT

This agreement is entered into by and between MDU Resources Group, Inc., 1200 West Century Avenue, Bismarck, ND 58503, a Delaware corporation (the “Company”) and Terry D. Hildestad, 1935 Harbor Drive, Bismarck, ND 58504 (the “Executive”), (collectively the “Parties”), on June 15, 2010.  This is an agreement to terminate the Change of Control Employment Agreement (“Agreement”) entered into by the Company and Executive on June 5, 2008.

	
1.  

	
The Parties agree that any provisions in the Agreement regarding notice are hereby waived by the Parties.

	
2.  

	
The Parties agree that the Agreement is hereby terminated at 8:00 a.m. CDT on June 15, 2010.

	
3.  

	
The termination of the Agreement on the agreed effective date shall not affect any of the rights or obligations of the Parties to the Agreement occurring prior to such effective date.

	
4.  

	
 Acknowledgement and agreement to termination is evidenced by the Parties’ signatures below.

The Parties have executed this agreement to terminate the Change of Control Employment Agreement at Bismarck, North Dakota on the day first above written.

MDU RESOURCES GROUP, INC., the Company

/s/ Paul K. Sandness                                                                

By:  Paul K. Sandness

       General Counsel and Secretary

/s/ Terry D. Hildestad                                                                

By:  Terry D. Hildestad

        Executiveexhibit10c.htm

 

 

[Date]

Name

Address

	
Re:

	
Notice of Expiration of Coverage Period - Change of Control Employment Agreement dated June 5, 2008

Dear _______________:

This is to advise you that the coverage period under the Change of Control Employment Agreement (“Agreement”) entered between MDU Resources Group, Inc. and you dated as of June 5, 2008, will not be extended beyond its current expiration date and will expire on June 5, 2013, in accordance with the provisions of Section 1(b) of the Agreement.  If a change of control, as defined in the Agreement, should occur before June 5, 2013, the provisions of the Agreement will apply.  If a change of control, as defined in the Agreement, should occur on or after June 5, 2013, the Agreement will have terminated and the provisions of the Agreement will have no force or effect.

Please contact me if you have any questions.

Sincerely,

Terry D. Hildestadex10_2.htm

BANK OF AMERICA, N.A.

100 Federal Street

Boston, MA 02110

July 16, 2010

Tutor Perini Corporation

15901 Olden Street

Sylmar, CA 91342

Attention: William B. Sparks, Executive Vice President

	
  

	
Re:

	
Third Amended and Restated Credit Agreement dated as of September 8, 2008

   Extension of Supplemental Revolver

Dear Bill:

We refer to the Third Amended and Restated Credit Agreement dated as of September 8, 2008 (as amended to date, the "Credit Agreement") among Borrower, Guarantors, Agent and Lenders. Capitalized terms used and not otherwise defined herein shall have the meanings ascribed to such terms in the Credit Agreement.

This letter agreement will confirm our agreement that the defined term "Supplemental Revolver Maturity Date" appearing in Section 1.01 of the Credit Agreement is hereby amended in its entirety to read as follows:

"Supplemental Revolver Maturity" means February 22, 2012.

This letter agreement shall be effective as of the date the Agent receives (1) this letter agreement duly executed and delivered by Agent, the Required Lenders, and the Loan Parties and (2) all accrued fees, costs and expenses (including, without limitation, the reasonable costs and expenses of Agent's counsel) incurred by Arranger, Agent and Lenders in connection with this letter agreement and invoiced to Borrower.

Each Loan Party represents and warrants to Agent and the Lenders that: (a) such Loan Party has the full power and authority to execute, deliver and perform its respective obligations under the Credit Agreement, as amended by this letter agreement, (b) the execution and delivery  of this letter agreement has been duly authorized by all necessary action of the Board of Directors (or equivalent) of such Loan Party; (c) after giving effect to this letter agreement, the  representations and warranties contained or referred to in Article VI of the Credit Agreement are  true and accurate in all material respects as if such representations and warranties were being made as of the date of this letter agreement except to the extent that such representations and

 

 

 

 

Tutor Perini Corporation

July 16, 2010

Page 2

warranties specifically refer to an earlier date; and (d) after giving effect to the amendments to the Credit Agreement set forth herein, no Default or Event of Default has occurred and is continuing.

This letter agreement is executed as an instrument under seal and shall be governed by and construed in accordance with the laws of The Commonwealth of Massachusetts without regard to its conflicts of law rules. All parts of the Credit Agreement and any other Loan Document not affected by this letter agreement are hereby ratified and affirmed in all respects, provided that if any provision of the Credit Agreement shall conflict or be inconsistent with this  letter agreement, the terms of this letter agreement shall supersede and prevail. Upon the execution of this letter agreement, all references to the Credit Agreement in that document, or in any other Loan Document, shall mean the Credit Agreement as amended by this letter  agreement. Except as expressly provided in this letter agreement, the execution and delivery of this letter agreement does not and will not amend, modify or supplement any provision of, or constitute a consent to or a waiver of any noncompliance with the provisions of the Credit Agreement, and, except as specifically provided in this letter agreement, the Credit Agreement shall remain in full force and effect. This letter agreement may be executed in one or more counterparts with the same effect as if the signatures hereto and thereto were upon the same instrument.

	
Sincerely,

	  
	
BANK OF AMERICA, N.A., as Agent

	
 

 

By:   /s/Roberto Salazar

	
Name:  Roberto Salazar

	
Title:  Assistant Vice President

 

 

 

 

IN WITNESS WHEREOF, each of the undersigned, in accordance with Section 11.01 of the Credit Agreement, has agreed to and accepted this letter agreement and caused it to be  executed and delivered by their respective duly authorized officers as of the date first written above.

	  	  	
BORROWER:

 

	
WITNESS:

	  	
TUTOR PERINI CORPORATION, f/k/a Perini Corporation, a Massachusetts corporation

	  	  	  
	  /s/John D. Barrett  	  	
By:  /s/William B. Sparks

	
John D. Barrett

	  	
Name:  William B. Sparks

	
Print Name

	  	
Title:  EVP, Treasurer, Corp Secretary and Clerk

	  	  	  

	  	  	
GUARANTORS:

 

	
WITNESS:

	  	
PERINI BUILDING COMPANY, INC., an Arizona corporation

	  	  	  
	  /s/John D. Barrett  	  	
By:   /s/William B. Sparks

	
John D. Barrett

	  	
Name:  William B. Sparks

	
Print Name

	  	
Title:  Treasurer, Secretary and Clerk

	  	  	  

	
WITNESS:

	  	
PERINI ENVIRONMENTAL SERVICES, INC., a Delaware corporation

	  	  	  
	  /s/John D. Barrett  	  	
By:   /s/William B. Sparks

	
John D. Barrett

	  	
Name:  William B. Sparks

	
Print Name

	  	
Title:  Treasurer, Secretary and Clerk

	  	  	  

[Signature Page to Tutor Perini Letter Agreement]

 

 

 

 

	
WITNESS:

	  	
INTERNATIONAL CONSTRUCTION MANAGEMENT SERVICES, INC., a Delaware corporation

	  	  	  
	  /s/John D. Barrett  	  	
By:   /s/William B. Sparks

	
John D. Barrett

	  	
Name:  William B. Sparks

	
Print Name

	  	
Title:  Treasurer, Secretary and Clerk

	  	  	  

	
WITNESS:

	  	
PERINI MANAGEMENT SERVICES, INC., a Massachusetts corporation

	  	  	  
	  /s/John D. Barrett  	  	
By:   /s/William B. Sparks

	
John D. Barrett

	  	
Name:  William B. Sparks

	
Print Name

	  	
Title:  Treasurer, Secretary and Clerk

	  	  	  

	
WITNESS:

	  	
BOW EQUIPMENT LEASING COMPANY, INC., a New Hampshire corporation

	  	  	  
	  /s/John D. Barrett  	  	
By:   /s/William B. Sparks

	
John D. Barrett

	  	
Name:  William B. Sparks

	
Print Name

	  	
Title:  Treasurer, Secretary and Clerk

	  	  	  

	
WITNESS:

	  	
R.E. DAILEY & CO., a Michigan corporation

	  	  	  
	  /s/John D. Barrett  	  	
By:   /s/William B. Sparks

	
John D. Barrett

	  	
Name:  William B. Sparks

	
Print Name

	  	
Title:  Treasurer, Secretary and Clerk

	  	  	  

[Signature Page to Tutor Perini Letter Agreement]

 

 

 

 

	
WITNESS:

	  	
PERINI LAND AND DEVELOPMENT COMPANY, INC., a Massachusetts corporation

	  	  	  
	  /s/John D. Barrett  	  	
By:   /s/William B. Sparks

	
John D. Barrett

	  	
Name:  William B. Sparks

	
Print Name

	  	
Title:  Treasurer, Secretary and Clerk

	  	  	  

	
WITNESS:

	  	
PARAMOUNT DEVELOPMENT ASSOCIATES, INC., a Massachusetts corporation

	  	  	  
	  /s/John D. Barrett  	  	
By:   /s/William B. Sparks

	
John D. Barrett

	  	
Name:  William B. Sparks

	
Print Name

	  	
Title:  Treasurer, Secretary and Clerk

	  	  	  

	
WITNESS:

	  	
PERCON CONSTRUCTORS, INC., a Delaware corporation

	  	  	  
	  /s/John D. Barrett  	  	
By:   /s/William B. Sparks

	
John D. Barrett

	  	
Name:  William B. Sparks

	
Print Name

	  	
Title:  Treasurer, Secretary and Clerk

	  	  	  

	
WITNESS:

	  	
PERLAND CONSTRUCTION, INC., a West Virginia corporation

	  	  	  
	  /s/John D. Barrett  	  	
By:   /s/William B. Sparks

	
John D. Barrett

	  	
Name:  William B. Sparks

	
Print Name

	  	
Title:  Treasurer, Secretary and Clerk

	  	  	  

[Signature Page to Tutor Perini Letter Agreement]

 

 

 

 

	
WITNESS:

	  	
JAMES A. CUMMINGS, INC., a Florida corporation

	  	  	  
	  /s/John D. Barrett  	  	
By:   /s/William B. Sparks

	
John D. Barrett

	  	
Name:  William B. Sparks

	
Print Name

	  	
Title:  Treasurer, Secretary and Clerk

	  	  	  

	
WITNESS:

	  	
CHERRY HILL CONSTRUCTION, INC., a Maryland corporation

	  	  	  
	  /s/John D. Barrett  	  	
By:   /s/William B. Sparks

	
John D. Barrett

	  	
Name:  William B. Sparks

	
Print Name

	  	
Title:  Treasurer, Secretary and Clerk

	  	  	  

	
WITNESS:

	  	
RUDOLPH AND SLETTEN, INC., a California corporation

	  	  	  
	  /s/John D. Barrett  	  	
By:   /s/William B. Sparks

	
John D. Barrett

	  	
Name:  William B. Sparks

	
Print Name

	  	
Title:  Treasurer, Secretary and Clerk

	  	  	  

	
WITNESS:

	  	
TUTOR-SALIBA, LLC, a California limited liability company

	  	  	  
	  /s/John D. Barrett  	  	
By:   /s/William B. Sparks

	
John D. Barrett

	  	
Name:  William B. Sparks

	
Print Name

	  	
Title:  SVP, CFO, Treasurer and Secretary

	  	  	  

[Signature Page to Tutor Perini Letter Agreement]

 

 

	
WITNESS:

	  	
TUTOR-SALIBA CORPORATION, f/k/a Tutor-Saliba Builders, a California corporation

	  	  	  
	  /s/John D. Barrett  	  	
By:   /s/William B. Sparks

	
John D. Barrett

	  	
Name:  William B. Sparks

	
Print Name

	  	
Title:  SVP, CFO, Treasurer and Secretary

	  	  	  

	
WITNESS:

	  	
POWERCO ELECTRIC CORP., a California corporation

	  	  	  
	  /s/John D. Barrett  	  	
By:   /s/William B. Sparks

	
John D. Barrett

	  	
Name:  William B. Sparks

	
Print Name

	  	
Title:  Vice President, CFO and Secretary

	  	  	  

	
WITNESS:

	  	
TUTOR HOLDINGS, LLC., a Delaware limited liability company

	  	  	  
	  /s/John D. Barrett  	  	
By:   /s/William B. Sparks

	
John D. Barrett

	  	
Name:  William B. Sparks

	
Print Name

	  	
Title:  Vice President, Secretary and Treasurer

	  	  	  

	
WITNESS:

	  	
TUTOR PACIFIC CONSTRUCTION, LLC, a Delaware limited liability company

	  	  	  
	  /s/John D. Barrett  	  	
By:   /s/William B. Sparks

	
John D. Barrett

	  	
Name:  William B. Sparks

	
Print Name

	  	
Title:  Vice President, Secretary and Treasurer

	  	  	  

[Signature Page to Tutor Perini Letter Agreement]

 

 

  

 

 

	
WITNESS:

	  	
TUTOR MICRONESIA CONSTRUCTION, LLC., a Delaware limited liability company

	  	  	  
	  /s/John D. Barrett  	  	
By:   /s/William B. Sparks

	
John D. Barrett

	  	
Name:  William B. Sparks

	
Print Name

	  	
Title:  Vice President, Secretary and Treasurer

	  	  	  

	
WITNESS:

	  	
G.W. MURPHY CONSTRUCTION COMPANY, INC., a Hawaii corporation

	  	  	  
	  /s/John D. Barrett  	  	
By:   /s/William B. Sparks

	
John D. Barrett

	  	
Name:  William B. Sparks

	
Print Name

	  	
Title:  Vice President, Secretary and Treasurer

	  	  	  

	
WITNESS:

	  	
E.E. BLACK, LIMITED., a Hawaii corporation

	  	  	  
	  /s/John D. Barrett  	  	
By:   /s/William B. Sparks

	
John D. Barrett

	  	
Name:  William B. Sparks

	
Print Name

	  	
Title:  Vice President, Secretary and Treasurer

	  	  	  

	
WITNESS:

	  	
DESERT PLUMBING & HEATING CO., INC., a Nevada corporation

	  	  	  
	  /s/John D. Barrett  	  	
By:   /s/William B. Sparks

	
John D. Barrett

	  	
Name:  William B. Sparks

	
Print Name

	  	
Title:  Vice President and Assistant Secretary

	  	  	  

[Signature Page to Tutor Perini Letter Agreement]

 

 

 

	
WITNESS:

	  	
TUTOR INVESTMENTS, INC., a Nevada corporation

	  	  	  
	  /s/John D. Barrett  	  	
By:   /s/William B. Sparks

	
John D. Barrett

	  	
Name:  William B. Sparks

	
Print Name

	  	
Title:  Vice President, Secretary and Treasurer

	  	  	  

	
WITNESS:

	  	
TPC AGGREGATES, LLC., a Nevada limited liability company

	  	  	  
	  /s/John D. Barrett  	  	
By:   /s/William B. Sparks

	
John D. Barrett

	  	
Name:  William B. Sparks

	
Print Name

	  	
Title:  Vice President, CFO and Assistant Secretary

	  	  	  

	
WITNESS:

	  	
DANIEL J. KEATING CONSTRUCTION COMPANY, LLC., a Delaware limited liability company (successor by conversion to Daniel J. Keating Construction Company, a Pennsylvania corporation)

	  	  	  
	/s/John D. Barrett  	  	
By:   /s/William B. Sparks

	
John D. Barrett

	  	
Name:  William B. Sparks

	
Print Name

	  	
Title:  Treasurer and Corporate Secretary and Clerk

	  	  	  

[Signature Page to Tutor Perini Letter Agreement]

 

 

 

	  	  	
LENDERS:

	  	  	  
	  	  	
BANK OF AMERICA, N.A., as a Supplemental Revolver Lender and a Revolving Lender

	  	  	  
	  	  	
By:  /s/Chris Busconi

	  	  	
Name:  Chris Busconi

	  	  	
Title:  Vice President

	  	  	  

[Signature Page to Tutor Perini Letter Agreement]

 

 

 

 

	  	  	  
	  	  	  
	  	  	
BMO CAPITAL MARKETS FINANCING, INC., as a Revolving Lender

	  	  	  
	  	  	
By:  /s/John Armstrong

	  	  	
Name:  John Armstrong

	  	  	
Title:  Director

	  	  	  

[Signature Page to Tutor Perini Letter Agreement]

 

 

 

 

	  	  	  
	  	  	  
	  	  	
TD BANK, N.A., as a Revolving Lender

	  	  	  
	  	  	
By:

	  	  	
Name:

	  	  	
Title:

	  	  	  

[Signature Page to Tutor Perini Letter Agreement]

 

 

	  	  	  
	  	  	  
	  	  	
SOVEREIGN BANK, as a Revolving Lender

	  	  	  
	  	  	
By:  /s/Greg Batsevitsky

	  	  	
Name:  Greg Batsevitsky

	  	  	
Title:  Senior Vice President

	  	  	  

[Signature Page to Tutor Perini Letter Agreement]

 

 

 

 

	  	  	  
	  	  	  
	  	  	
COMERICA BANK, as a Revolving Lender

	  	  	  
	  	  	
By:

	  	  	
Name:

	  	  	
Title:

	  	  	  

[Signature Page to Tutor Perini Letter Agreement]

 

 

 

 

	  	  	  
	  	  	  
	  	  	
UNION BANK, N.A., as a Revolving Lender

	  	  	  
	  	  	
By:  /s/Greg Plazula

	  	  	
Name:  Greg Plazula

	  	  	
Title:  Vice President

	  	  	  

[Signature Page to Tutor Perini Letter Agreement]

 

 

 

 

	  	  	  
	  	  	  
	  	  	
U.S. BANK, NATIONAL ASSOCIATION, as a Revolving Lender

	  	  	  
	  	  	
By:

	  	  	
Name:

	  	  	
Title:

	  	  	  

[Signature Page to Tutor Perini Letter Agreement]

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