Document:

Form of Employee Matters Agreement

 Exhibit 10.2 
 EMPLOYEE MATTERS AGREEMENT 
 by and between 
 POTLATCH CORPORATION 
 and 
 CLEARWATER PAPER CORPORATION 
 Dated as of [—],
2008 

 TABLE OF CONTENTS 
  

							
	 	 	 	  	 	  	Page
	ARTICLE I DEFINITIONS	  	2
		 	 1.1
	  	 Action
	  	2
		 	 1.2
	  	 Affiliate
	  	2
		 	 1.3
	  	 Agreement
	  	2
		 	 1.4
	  	 Administrative Service Organization Contracts or ASO Contracts
	  	2
		 	 1.5
	  	 Assignment Agreement
	  	2
		 	 1.6
	  	 Clearwater
	  	2
		 	 1.7
	  	 Clearwater Common Stock
	  	2
		 	 1.8
	  	 Clearwater Employee
	  	3
		 	 1.9
	  	 Clearwater Group
	  	3
		 	 1.10
	  	 Clearwater Ratio
	  	3
		 	 1.11
	  	 Clearwater Stock Value
	  	3
		 	 1.12
	  	 Clearwater Terminated Employee
	  	3
		 	 1.13
	  	 COBRA
	  	3
		 	 1.14
	  	 Code
	  	3
		 	 1.15
	  	 Contract
	  	3
		 	 1.16
	  	 Director Deferred Compensation Plan
	  	4
		 	 1.17
	  	 Disability Plans
	  	4
		 	 1.18
	  	 Distribution
	  	4
		 	 1.19
	  	 Distribution Date
	  	4
		 	 1.20
	  	 DOL
	  	4
		 	 1.21
	  	 ERISA
	  	4
		 	 1.22
	  	 Executive Severance Plan
	  	4
		 	 1.23
	  	 Facilities
	  	4
		 	 1.24
	  	 Flexible Benefits Plan
	  	5
		 	 1.25
	  	 FMLA
	  	5
		 	 1.26
	  	 Fringe Benefits
	  	5
		 	 1.27
	  	 Frozen Supplemental Plan
	  	5
		 	 1.28
	  	 Governmental Entity
	  	5
		 	 1.29
	  	 Group Insurance Policies
	  	5
		 	 1.30
	  	 HCFA
	  	5
		 	 1.31
	  	 Health and Welfare Plans
	  	5
		 	 1.32
	  	 Health Plans
	  	6
		 	 1.33
	  	 Incentive Pay Plan
	  	6
		 	 1.34
	  	 IRS
	  	6
		 	 1.35
	  	 Labor Agreements
	  	6
		 	 1.36
	  	 Law
	  	6
		 	 1.37
	  	 Leave of Absence Programs
	  	6
		 	 1.38
	  	 Liability or Liabilities
	  	6
		 	 1.39
	  	 Management Deferred Compensation Plan
	  	6
		 	 1.40
	  	 Material Feature
	  	6
		 	 1.41
	  	 Option
	  	7

  

 i 

							
		 	 1.42
	  	 Other Post-Retirement Benefits (OPEB) Program
	  	7
		 	 1.43
	  	 Outsource
	  	7
		 	 1.44
	  	 Participating Company
	  	7
		 	 1.45
	  	 Party or Parties
	  	7
		 	 1.46
	  	 PBGC
	  	7
		 	 1.47
	  	 Pension Plans
	  	7
		 	 1.48
	  	 Performance Shares
	  	7
		 	 1.49
	  	 Person
	  	8
		 	 1.50
	  	 Plan
	  	8
		 	 1.51
	  	 Potlatch
	  	8
		 	 1.52
	  	 Potlatch Common Stock
	  	8
		 	 1.53
	  	 Potlatch Employee
	  	8
		 	 1.54
	  	 Potlatch Group
	  	8
		 	 1.55
	  	 Potlatch Post-Distribution Stock Value
	  	8
		 	 1.56
	  	 Potlatch Pre-Distribution Stock Value
	  	8
		 	 1.57
	  	 Potlatch Ratio
	  	8
		 	 1.58
	  	 Potlatch Terminated Employee
	  	9
		 	 1.59
	  	 Premium Plan
	  	9
		 	 1.60
	  	 Pulp-Based Business
	  	9
		 	 1.61
	  	 QDRO
	  	9
		 	 1.62
	  	 QMCSO
	  	9
		 	 1.63
	  	 Record Date
	  	9
		 	 1.64
	  	 Restricted Stock Units
	  	9
		 	 1.65
	  	 RetainCo
	  	9
		 	 1.66
	  	 Retained Business
	  	10
		 	 1.67
	  	 Retirement Plans
	  	10
		 	 1.68
	  	 Salaried Severance Plan
	  	10
		 	 1.69
	  	 Savings Plans
	  	10
		 	 1.70
	  	 SEC
	  	10
		 	 1.71
	  	 Separation
	  	10
		 	 1.72
	  	 Separation Agreement
	  	10
		 	 1.73
	  	 Stock Incentive Plan
	  	10
		 	 1.74
	  	 Subsidiary
	  	10
		 	 1.75
	  	 Supplemental Benefit Plan
	  	11
		 	 1.76
	  	 Time Off Policies
	  	11
		 	 1.77
	  	 Transfer Amount
	  	11
		 	 1.78
	  	 Transfer Date
	  	11
		 	 1.79
	  	 Transition Services Agreement
	  	11
		 	 1.80
	  	 Unemployment Insurance Program
	  	11
		 	 1.81
	  	 Valuation Date
	  	11
		 	 1.82
	  	 Wood Products Mills
	  	11
		
	ARTICLE II GENERAL PRINCIPLES	  	13
		 	 2.1
	  	 Assumption of Liabilities
	  	13
		 	 2.2
	  	 Establishment of Plans
	  	13
		 	 2.3
	  	 Parties Under Certain Obligations to Maintain Plans
	  	14
		 	 2.4
	  	 Participation in Other Party’s Plans
	  	14

  

 ii 

							
		 	 2.5
	  	 Terms of Participation
	  	15
		
	ARTICLE III DEFINED BENEFIT PENSION PLANS	  	17
		 	 3.1
	  	 Establishment of Potlatch Pension Plans and Master Trust
	  	17
		 	 3.2
	  	 Assumption of Liabilities and Transfer of Trust Assets
	  	17
		 	 3.3
	  	 No Distributions to Potlatch Employees
	  	18
		
	ARTICLE IV DEFINED CONTRIBUTION PLANS	  	19
		 	 4.1
	  	 Establishment of Potlatch Savings Plans and Master Trust
	  	19
		
	ARTICLE V NON-QUALIFIED AND SUPPLEMENTAL PLANS	  	21
		 	 5.1
	  	 Supplemental Benefit Plans
	  	21
		 	 5.2
	  	 Deferred Compensation Plans
	  	21
		
	ARTICLE VI EQUITY AND OTHER MANAGEMENT COMPENSATION	  	23
		 	 6.1
	  	 Incentive Pay Plans
	  	23
		 	 6.2
	  	 Clearwater Stock Incentive Plan
	  	23
		 	 6.3
	  	 Potlatch Options
	  	23
		 	 6.4
	  	 Potlatch Restricted Stock Units
	  	24
		 	 6.5
	  	 Potlatch Performance Shares
	  	24
		 	 6.6
	  	 Severance Plans
	  	25
		 	 6.7
	  	 Deferred Payment Contracts and Severance Contracts
	  	25
		
	ARTICLE VII HEALTH AND WELFARE PLANS	  	26
		 	 7.1
	  	 Establishment of Potlatch Health and Welfare Plans
	  	26
		 	 7.2
	  	 Insured Health and Welfare Benefits
	  	26
		 	 7.3
	  	 Self-Insured Health and Welfare Benefits
	  	26
		 	 7.4
	  	 Disability Plans
	  	27
		 	 7.5
	  	 Outsourcing of Claims
	  	27
		 	 7.6
	  	 Post-Distribution Transitional Arrangements
	  	27
		 	 7.7
	  	 Vendor Arrangements
	  	28
		 	 7.8
	  	 Business Travel Accident Insurance
	  	28
		 	 7.9
	  	 Flexible Benefits Plans
	  	28
		 	 7.10
	  	 COBRA
	  	28
		 	 7.11
	  	 Other Post-Retirement Benefits (OPEB) Programs
	  	29
		
	ARTICLE VIII FRINGE AND OTHER BENEFITS	  	30
		 	 8.1
	  	 Employee Assistance Program
	  	30
		 	 8.2
	  	 Educational Assistance Program
	  	30
		 	 8.3
	  	 Other Benefits
	  	30
		
	ARTICLE IX TRANSITION ADMINISTRATIVE PROVISIONS	  	31
		 	 9.1
	  	 Transition Services Agreement
	  	31
		 	 9.2
	  	 Payment of Liabilities, Plan Expenses and Related Matters
	  	31
		 	 9.3
	  	 Sharing of Participant Information
	  	31
		 	 9.4
	  	 Reporting and Disclosure Communications to Participants
	  	31
		 	 9.5
	  	 Audits Regarding Vendor Contracts
	  	32

  

 iii 

							
		 	 9.6
	  	 Beneficiary Designations
	  	32
		 	 9.7
	  	 Requests for IRS, PBGC and DOL Opinions
	  	32
		 	 9.8
	  	 Fiduciary Matters
	  	32
		 	 9.9
	  	 Consent of Third Parties
	  	32
		 	 9.10
	  	 Tax Cooperation
	  	32
		
	ARTICLE X EMPLOYMENT-RELATED MATTERS	  	34
		 	 10.1
	  	 Terms of Employment
	  	34
		 	 10.2
	  	 Non-Solicitation of Employees
	  	34
		 	 10.3
	  	 Confidentiality and Proprietary Information
	  	34
		 	 10.4
	  	 Time Off Policies
	  	34
		 	 10.5
	  	 Payroll Systems
	  	35
		 	 10.6
	  	 Personnel and Pay Records
	  	35
		 	 10.7
	  	 Unemployment Insurance Program
	  	35
		 	 10.8
	  	 Non-Termination of Employment
	  	36
		 	 10.9
	  	 Leave of Absence Programs and FMLA
	  	36
		 	 10.10
	  	 Employment Litigation
	  	36
		 	 10.11
	  	 Workers’ Compensation
	  	37
		
	ARTICLE XI LABOR AGREEMENTS	  	38
		
	ARTICLE XII GENERAL PROVISIONS	  	39
		 	 12.1
	  	 Relationship of Parties
	  	39
		 	 12.2
	  	 Incorporation of Separation Agreement Provisions
	  	39
		 	 12.3
	  	 Conflict
	  	39
		 	 12.4
	  	 Entire Agreement
	  	39
		 	 12.5
	  	 Choice of Law and Forum
	  	39
		 	 12.6
	  	 Amendment
	  	39
		 	 12.7
	  	 Waiver
	  	39
		 	 12.8
	  	 Partial Invalidity
	  	40
		 	 12.9
	  	 Execution in Counterparts
	  	40
		 	 12.10
	  	 Successors and Assigns
	  	40
		 	 12.11
	  	 No Third Party Beneficiaries
	  	40
		 	 12.12
	  	 Notices
	  	40
		 	 12.13
	  	 Performance
	  	41
		 	 12.14
	  	 Force Majeure
	  	41
		 	 12.15
	  	 No Public Announcement
	  	41
		 	 12.16
	  	 Termination
	  	41

  

 iv 

 EMPLOYEE MATTERS AGREEMENT 
 This EMPLOYEE MATTERS AGREEMENT (this “Agreement”) is made as of [—], 2008, by and between Potlatch
Corporation, a Delaware corporation, and Clearwater Paper Corporation, a Delaware corporation (formerly named Potlatch Forest Products Corporation) (each a “Party” and together, the “Parties”). Capitalized terms
used herein (other than the formal names of Plans (as defined below) and related trusts) and not otherwise defined, shall have the respective meanings assigned to them in Article I hereof. 
 RECITALS 
 WHEREAS, Potlatch and Clearwater have entered into a Separation and
Distribution Agreement, dated as of the date hereof (the “Separation Agreement”), in order to, among other things, separate the Retained Business from the Pulp-Based Business (the “Separation”); and 
 WHEREAS, in furtherance of the Separation, Potlatch and Clearwater have agreed to enter into this Agreement to allocate between them assets, liabilities
and responsibilities with respect to certain employee compensation, benefit Plans, and certain employment matters. 
 NOW, THEREFORE, in
consideration of the mutual promises contained herein, the Parties hereto agree as follows: 
  

 1 

 ARTICLE I 
 DEFINITIONS 
 Wherever used in this Agreement, the following terms shall have the meanings
indicated below, unless a different meaning is plainly required by the context. The singular shall include the plural, unless the context indicates otherwise. Headings of sections are used for convenience of reference only, and in case of conflict,
the text of this Agreement, rather than such headings, shall control. 
 1.1 Action. “Action” means any action, claim,
demand, suit, arbitration, inquiry, subpoena, discovery request, proceeding or investigation by or before any Governmental Entity or any arbitration tribunal, domestic or foreign. 
 1.2 Affiliate. “Affiliate” means, as defined in the Separation Agreement, with respect to any Person, any other Person that directly or
indirectly controls, is controlled by or is under common control with such Person. For the purpose of this definition, the term “control” means the power to direct the management of an entity, directly or indirectly, whether through the
ownership of voting securities, by contract or otherwise; and the term “controlled” has the meaning correlative to the foregoing. After the Distribution, Potlatch and Clearwater shall not be deemed to be under common control for purposes
hereof due solely to the fact that Potlatch and Clearwater may have common stockholders. 
 1.3 Agreement. “Agreement” means
this Employee Matters Agreement, including all the Addendums, Schedules and Exhibits hereto, and all amendments made hereto from time to time. 
 1.4 Administrative Service Organization Contracts or ASO Contracts. “Administrative Service Organization Contracts” or “ASO Contracts” is defined in Section 7.7(a) and the Schedule 7.7(a). 
 1.5 Assignment Agreement. “Assignment Agreement” means the Transfer and Assumption Agreement, effective as of the date immediately prior
to the Distribution Date, by and among Potlatch, RetainCo, and Clearwater. 
 1.6 Clearwater. “Clearwater” means Clearwater
Paper Corporation, a Delaware corporation, formerly named Potlatch Forest Products Corporation. In all such instances in which Clearwater is referred to in this Agreement, it shall also be deemed to include a reference to each member of the
Clearwater Group, unless the context specifically requires otherwise; Clearwater shall be solely responsible to Potlatch for ensuring that each member of the Clearwater Group complies with the applicable terms of this Agreement. 
 1.7 Clearwater Common Stock. “Clearwater Common Stock” means, as defined in the Separation Agreement, Clearwater common stock, par value
$0.0001 per share. 
  

 2 

 1.8 Clearwater Employee. “Clearwater Employee” means an individual who is:
(a) either actively employed primarily in connection with, or on leave of absence from, the Pulp-Based Business immediately prior to the Distribution Date; (b) a Clearwater Terminated Employee; (c) an employee or a member of a group
of employees designated as Clearwater Employees (as of the specified date(s)) by Potlatch and Clearwater by mutual written agreement; or (d) an alternate payee under a QDRO, alternate recipient under a QMCSO, beneficiary, covered dependent, or
qualified beneficiary (as such term is defined under COBRA), in each case, of an employee or former employee described in any of Sections 1.8(a) through (c) with respect to that employee’s or former employee’s benefit under the
applicable Plan(s) (unless specified otherwise in this Agreement, such an alternate payee, alternate recipient, beneficiary, covered dependent, or qualified beneficiary shall not otherwise be considered a Clearwater Employee with respect to any
benefits he or she accrues or accrued under any applicable Plan(s), unless he or she is a Clearwater Employee by virtue of any of Sections 1.8(a) through (c)). 
 1.9 Clearwater Group. “Clearwater Group” means, as defined in the Separation Agreement, Clearwater, its Subsidiaries and Affiliates (other than RetainCo), and any Subsidiaries or Affiliates of
Clearwater formed or acquired after the Distribution Date. 
 1.10 Clearwater Ratio. “Clearwater Ratio” means the ratio
determined by dividing the Clearwater Stock Value by the Potlatch Pre-Distribution Stock Value. 
 1.11 Clearwater Stock Value.
“Clearwater Stock Value” means the average per-share trading price of Clearwater Common Stock as quoted on the New York Stock Exchange (“NYSE”) during the first four (4) hours of “regular way” trading in Clearwater
Common Stock after the Distribution. 
 1.12 Clearwater Terminated Employee. “Clearwater Terminated Employee” means an
individual who was employed primarily in connection with the Pulp-Based Business or a discontinued business specified or described on Schedule 2B or Schedule 19 to the Assignment Agreement and who terminated employment from the Pulp-Based
Business or such discontinued business on or before the Distribution Date; provided, however, that to the extent a former employee has not been, or cannot be, allocated in accordance with such Schedule, then such former employee shall be deemed a
Potlatch Terminated Employee. Notwithstanding the foregoing, “Clearwater Terminated Employee” shall not, unless otherwise expressly provided to the contrary in this Agreement, include an individual who is a Potlatch Employee on the
Distribution Date. 
 1.13 COBRA. “COBRA” means the continuation coverage requirements for “group health plans”
under Title X of the Consolidated Omnibus Budget Reconciliation Act of 1985, as amended from time to time, and as codified in Code Section 4980B and ERISA Sections 601 through 608. 
 1.14 Code. “Code” means, as defined in the Separation Agreement, the Internal Revenue Code of 1986, as amended. 
 1.15 Contract. “Contract” means, as defined in the Separation Agreement, any agreement, license, contract, obligation, indenture,
instrument, lease, promise, arrangement, 

  

 3 

 
release, warranty, commitment or undertaking (whether written or oral and whether express or implied). 
 1.16 Director Deferred Compensation Plan. “Director Deferred Compensation Plan,” when immediately preceded by “Potlatch,”
means the Potlatch Corporation Deferred Compensation Plan for Directors II. When immediately preceded by “Clearwater,” “Director Deferred Compensation Plan” means the deferred compensation plan to be established by Clearwater
pursuant to Sections 2.2 and 5.2 that corresponds to the Potlatch Corporation Deferred Compensation Plan for Directors II. 
 1.17
Disability Plans. “Disability Plans,” when immediately preceded by “Clearwater,” means the Clearwater short-term and long-term disability plans (including, where an employee works in a state that offers a statutory state
disability plan, any alternative voluntary state disability plan provided by Clearwater). When immediately preceded by “Potlatch,” “Disability Plans” means the short-term and long-term disability plans to be established or
provided by Potlatch pursuant to Section 2.2 and Article VII that correspond to the Clearwater Disability Plans. 
 1.18
Distribution. “Distribution” means, as defined in the Separation Agreement, the distribution on a pro rata basis to the holders of Potlatch’s Common Stock, without any consideration being paid by such holders, all of the
outstanding shares of Clearwater Common Stock then owned by Potlatch. 
 1.19 Distribution Date. “Distribution Date” means,
as defined in the Separation Agreement, the date determined by the Board of Directors of Potlatch as the date on which the Clearwater Common Stock is payable to holders of Potlatch Common Stock as of the Record Date. 
 1.20 DOL. “DOL” means the United States Department of Labor. 
 1.21 ERISA. “ERISA” means the Employee Retirement Income Security Act of 1974, as amended from time to time. 
 1.22 Executive Severance Plan. “Executive Severance Plan,” when immediately preceded by “Clearwater,” means the Potlatch
Forest Products Corporation Severance Program for Executive Employees, an ERISA severance program, to be retained by Clearwater. When immediately preceded by “Potlatch,” “Executive Severance Plan” means the severance program for
eligible executives to be established by Potlatch pursuant to Sections 2.2 and 6.6(a). 
 1.23 Facilities. “Facilities”
means, as defined in the Separation Agreement, each of the following mills and facilities: 
 (a) (i) sawmill, (ii) pulp and paperboard
mill and (iii) tissue mill and tissue converting facility at Lewiston, Idaho; 
 (b) pulp and paperboard mill at Cypress Bend, Arkansas;

  

 4 

 (c) tissue mill and converting facility in North Las Vegas, Nevada; and 
 (d) tissue converting facility in Elwood, Illinois. 
 1.24 Flexible Benefits Plan. “Flexible Benefits Plan,” when immediately preceded by “Clearwater,” means the Clearwater Plan established pursuant to Code Section 125 for eligible employees to make pre-tax
contributions to flexible spending accounts. When immediately preceded by “Potlatch,” “Flexible Benefits Plan” means the Plan to be established by Potlatch for eligible employees to make pre-tax contributions to flexible spending
accounts pursuant to Section 2.2 and Article VII that corresponds to the respective Clearwater Flexible Benefits Plan. 
 1.25
FMLA. “FMLA” means the Family and Medical Leave Act of 1993, as amended from time to time. 
 1.26 Fringe Benefits.
“Fringe Benefits,” when immediately preceded by “Clearwater,” means the Clearwater employee assistance program, the educational assistance program and other fringe benefits, plans, programs and arrangements sponsored and
maintained by Clearwater (as set forth in Article VIII and Schedule 8.3). When immediately preceded by “Potlatch,” “Fringe Benefits” means the fringe benefits, plans, programs and arrangements to be established by
Potlatch pursuant to Section 2.2 and Article VIII that correspond to the respective Clearwater Fringe Benefits. 
 1.27 Frozen
Supplemental Plan. “Frozen Supplemental Plan” is defined in Section 5.1(a). 
 1.28 Governmental Entity.
“Governmental Entity” means, as defined in the Separation Agreement, any nation or government, any state, municipality or other political subdivision thereof and any entity, body, agency, commission, department, board, bureau or court,
whether domestic, foreign or multinational, exercising executive, legislative, judicial, regulatory or administrative functions of or pertaining to government; and any official thereof. 
 1.29 Group Insurance Policies. “Group Insurance Policies” is defined in Section 7.7(b) and Schedule 7.7(b). 
 1.30 HCFA. “HCFA” means the United States Health Care Financing Administration. 
 1.31 Health and Welfare Plans. “Health and Welfare Plans,” when immediately preceded by “Clearwater,” means the Clearwater
Health Plans, the Clearwater Flexible Benefit Plans, the Clearwater Premium Plan, the Clearwater Disability Plans and the other health and welfare plans listed on Schedule 1.31 established and maintained by Clearwater for the benefit of
employees and retirees of the Clearwater Group, and such other welfare plans or programs as may apply to such employees and retirees as of the Distribution Date. When immediately preceded by “Potlatch,” “Health and Welfare Plans”
means the Potlatch Health Plans, the Potlatch Flexible Benefit Plans, the Potlatch Premium Plan, the Potlatch Disability Plans and the other health and welfare Plans to be established by Potlatch pursuant to Section 2.2 and Article VII
that correspond to the respective Clearwater Health and Welfare Plans. 
  

 5 

 1.32 Health Plans. “Health Plans,” when immediately preceded by “Clearwater,”
means the Plans designated as Health Plans on Schedule 1.31, and any similar or successor Plans. When immediately preceded by “Potlatch,” “Health Plans” means the Plans providing health coverage and benefits to be
established by Potlatch pursuant to Section 2.2 and Article VII that correspond to the respective Clearwater Health Plans. 
 1.33
Incentive Pay Plan. “Incentive Pay Plan,” when immediately preceded by “Potlatch,” means either the Potlatch Corporation Management Performance Award Plan II or the Potlatch Corporation Annual Incentive Plan, whichever is
in effect as of the Distribution Date. When immediately preceded by “Clearwater,” “Incentive Pay Plan” means the incentive pay plan to be established by Clearwater pursuant to Sections 2.2 and 6.1 that corresponds to the
Potlatch Incentive Pay Plan. 
 1.34 IRS. “IRS” means, as defined in the Separation Agreement, the Internal Revenue Service,
and any successor agency. 
 1.35 Labor Agreements. “Labor Agreements” means the collective bargaining agreements set forth
on Schedule 1.35. 
 1.36 Law. “Law” means, as defined in the Separation Agreement, any United States or
non-United States federal, national, supranational, state, provincial, local or similar statute, law, ordinance, regulation, rule, code, order, consent decree, requirement or rule of law (including common law and in equity). 
 1.37 Leave of Absence Programs. “Leave of Absence Programs,” when immediately preceded by “Clearwater,” means the personal,
medical, military and FMLA leave offered from time to time under the personnel policies and practices of Clearwater. When immediately preceded by “Potlatch,” “Leave of Absence Programs” means the leave of absence programs to be
established by Potlatch pursuant to Sections 2.2 and 10.9 that correspond to the respective Clearwater Leave of Absence Programs. 
 1.38 Liability or Liabilities. “Liability” or “Liabilities” means, as defined in the Separation Agreement, any and all debts, liabilities and obligations, absolute or contingent, matured or unmatured, liquidated
or unliquidated, accrued or unaccrued, known or unknown, whenever arising, including all costs and expenses relating thereto, and including those debts, liabilities and obligations arising under any Law, Action or threatened Action, or any award of
any arbitrator of any kind, and those arising under any Contract. 
 1.39 Management Deferred Compensation Plan. “Management
Deferred Compensation Plan,” when immediately preceded by “Potlatch,” means the Potlatch Corporation Management Deferred Compensation Plan. When immediately preceded by “Clearwater,” “Management Deferred Compensation
Plan” means the deferred compensation plan to be established by Clearwater pursuant to Sections 2.2 and 5.2 that corresponds to the Potlatch Corporation Management Deferred Compensation Plan. 
 1.40 Material Feature. “Material Feature” means any feature of a Plan that would reasonably be expected to be of material importance to
the sponsoring employer or the participants (or their dependents or beneficiaries) (in the aggregate) of that Plan, which could 

  

 6 

 
include, depending on the type and purpose of the particular Plan, the class or classes of employees eligible to participate in such Plan, the nature, type,
form, source, and level of benefits provided under such Plan and the amount or level of contributions, if any, required to be made by participants (or their dependents or beneficiaries) to such Plan. 
 1.41 Option. “Option,” when immediately preceded by “Potlatch,” means an option to purchase Potlatch Common Stock pursuant to
a Stock Incentive Plan. When immediately preceded by “Clearwater,” “Option” means an option to purchase Clearwater Common Stock pursuant to a Stock Incentive Plan. 
 1.42 Other Post-Retirement Benefits (OPEB) Program. “Other Post-Retirement Benefits (OPEB) Program,” when immediately preceded by
“Clearwater,” means the health and life insurance programs that permit certain retirees and former employees of the Clearwater Group, and their eligible spouses and dependents to continue to receive coverage and benefits under certain
Clearwater Health and Welfare Plans for a designated period of time. When immediately preceded by “Potlatch,” “Other Post-Retirement Benefits (OPEB) Programs” means such continuation programs to be established by Potlatch
pursuant to Sections 2.2 and 7.11 that correspond to the Clearwater Other Post-Retirement Benefits (OPEB) Programs. 
 1.43
Outsource. “Outsource” is defined in Section 7.5. 
 1.44 Participating Company. “Participating
Company” means any Person (other than an individual) whose employees participate in a Plan, other than the Plan sponsor. 
 1.45
Party or Parties. “Party” or “Parties” has the meaning set forth in the first paragraph of this Agreement. 
 1.46
PBGC. “PBGC” means the Pension Benefit Guaranty Corporation. 
 1.47 Pension Plans. “Pension Plans,” when
immediately preceded by “Clearwater,” means the Potlatch Forest Products Corporation Salaried Employees’ Retirement Plan (the “Salaried Pension Plan”), the Potlatch Forest Products Corporation Retirement Plan for Hourly
Non-Represented Employees of the Idaho Operations of the Wood Products Division (the “Hourly Non-Represented Pension Plan”), and the Potlatch Forest Products Corporation Hourly Employees’ Retirement Plan (the “Hourly Represented
Pension Plan”). When immediately preceded by “Potlatch,” “Pension Plans” means the defined benefit plans to be established pursuant to Section 2.2 and Article III. 
 1.48 Performance Shares. “Performance Shares” means, when preceded by “Potlatch,” awards denominated in shares of Potlatch
Common Stock pursuant to which the holder can earn, in whole or in part, the right to receive a specified number of shares of Potlatch Common Stock based upon attainment of performance objectives, pursuant to a Potlatch Stock Incentive Plan. When
preceded by “Clearwater,” “Performance Shares” means awards denominated in shares of Clearwater Common Stock pursuant to which the holder can earn, in whole or in part, the right to receive a specified number of shares of
Clearwater Common Stock based upon attainment of performance objectives, pursuant to a Clearwater Stock Incentive Plan. 
  

 7 

 1.49 Person. “Person” means, as defined in the Separation Agreement, any individual,
corporation, partnership, joint venture, limited liability company, association, joint-stock company, trust, unincorporated organization or Governmental Entity. 
 1.50 Plan. “Plan” means any plan, policy, program, payroll practice, arrangement, contract, trust, insurance policy, or any agreement or funding vehicle providing compensation or benefits to
employees, former employees or directors of Potlatch or Clearwater. 
 1.51 Potlatch. “Potlatch” means Potlatch Corporation,
a Delaware corporation. In all such instances in which Potlatch is referred to in this Agreement, it shall also be deemed to include a reference to each member of the Potlatch Group, unless the context specifically requires otherwise; Potlatch shall
be solely responsible to Clearwater for ensuring that each member of the Potlatch Group complies with the applicable terms of this Agreement. 
 1.52 Potlatch Common Stock. “Potlatch Common Stock” means, as defined in the Separation Agreement, Potlatch common stock, par value $1.00 per share. 
 1.53 Potlatch Employee. “Potlatch Employee” means an individual who is: (a) either actively employed primarily in connection with,
or on leave of absence from, the Retained Business immediately prior to the Distribution Date; (b) a Potlatch Terminated Employee; (c) an employee or a member of a group of employees designated as Potlatch Employees (as of the specified
date(s)) by Potlatch and Clearwater by mutual written agreement; or (d) an alternate payee under a QDRO, alternate recipient under a QMCSO, beneficiary, covered dependent, or qualified beneficiary (as such term is defined under COBRA), in each
case, of an employee or former employee described in any of Sections 1.53(a) through (c) with respect to that employee’s or former employee’s benefit under the applicable Plan(s) (unless specified otherwise in this Agreement,
such an alternate payee, alternate recipient, beneficiary, covered dependent, or qualified beneficiary shall not otherwise be considered a Potlatch Employee with respect to any benefits he or she accrues or accrued under any applicable Plan(s),
unless he or she is a Potlatch Employee by virtue of any of Sections 1.53(a) through (c)). 
 1.54 Potlatch Group. “Potlatch
Group” means, as defined in the Separation Agreement, Potlatch, its Subsidiaries and Affiliates (including RetainCo and those Subsidiaries and Affiliates formed or acquired after the date hereof), other than members of the Clearwater Group.

 1.55 Potlatch Post-Distribution Stock Value. “Potlatch Post-Distribution Stock Value” means the average per-share trading
price of Potlatch Common Stock as quoted on the New York Stock Exchange during the first four (4) hours of “ex-dividend” trading in Potlatch Common Stock after the Distribution. 
 1.56 Potlatch Pre-Distribution Stock Value. “Potlatch Pre-Distribution Stock Value” means the closing per-share price of Potlatch Common
Stock as quoted on the New York Stock Exchange for trading in Potlatch Common Stock on the last trading day preceding the trading day on which Potlatch Common Stock first trades on an “ex-dividend” basis. 
 1.57 Potlatch Ratio. “Potlatch Ratio” means the ratio determined by dividing the Potlatch Post-Distribution Stock Value by the Potlatch
Pre-Distribution Stock Value. 
  

 8 

 1.58 Potlatch Terminated Employee. “Potlatch Terminated Employee” means an individual
who was employed primarily in connection with the Retained Business or a discontinued business specified or described on Schedule 17 to the Assignment Agreement and who terminated employment from the Retained Business or such discontinued
business on or prior to the Distribution Date. In addition, a “Potlatch Terminated Employee” shall include a former employee who might otherwise be deemed a Clearwater Terminated Employee, but who has not been, or cannot be, allocated as
such pursuant to Section 1.12. Notwithstanding the foregoing, “Potlatch Terminated Employee” shall not, unless otherwise expressly provided to the contrary in this Agreement, include an individual who is a Clearwater Employee on the
Distribution Date. 
 1.59 Premium Plan. “Premium Plan,” when immediately preceded by “Clearwater” means the
Clearwater Plan established pursuant to Code Section 125 for eligible employees to pay for their coverage under the Health and Disability Plans with pre-tax contributions. When immediately preceded by Potlatch, “Premium Plans” means
the Plan to be established by Potlatch pursuant to Code Section 125 for eligible employees to pay for their coverage under the Health and Disability Plans with pre-tax contributions. 
 1.60 Pulp-Based Business. “Pulp-Based Business” means, as defined in the Separation Agreement, Clearwater’s consumer tissue
products business, Clearwater’s pulp and paperboard business and the portion of Clearwater’s wood products business operated at Clearwater’s lumber mill in Lewiston, Idaho, which such businesses are generally comprised of
Clearwater’s ownership and operation of the Facilities and the sale of products manufactured at the Facilities. 
 1.61 QDRO.
“QDRO” means a domestic relations order which qualifies under Code Section 414(p) and ERISA Section 206(d) and which creates or recognizes an alternate payee’s right to, or assigns to an alternate payee, all or a portion of
the benefits payable to a participant under any of the Retirement Plans. 
 1.62 QMCSO. “QMCSO” means a medical child
support order which qualifies under ERISA Section 609(a) and which creates or recognizes the existence of an alternate recipient’s right to, or assigns to an alternate recipient the right to, receive benefits for which a participant or
beneficiary is eligible under any of the Health Plans. 
 1.63 Record Date. “Record Date” shall have the meaning assigned to
it in Section 6.5(a). 
 1.64 Restricted Stock Units. “Restricted Stock Units,” when immediately preceded by
“Potlatch,” means awards denominated in shares of Potlatch Common Stock pursuant to which the holder has the right to receive a specified number of shares of Potlatch Common Stock over a specified period of time, pursuant to a Potlatch
Stock Incentive Plan. When immediately preceded by “Clearwater,” “Restricted Stock Units” means rights to receive shares of Clearwater Common Stock that are subject to transfer restrictions or to employment or performance vesting
conditions, pursuant to a Clearwater Stock Incentive Plan. 
 1.65 RetainCo. “RetainCo” means, as defined in the Separation
Agreement, Potlatch Land & Lumber, LLC, a Delaware limited liability company. 
  

 9 

 1.66 Retained Business. “Retained Business” means, as defined in the Separation
Agreement, all of the current businesses and operations of Potlatch and its Affiliates other than the Pulp-Based Business, and includes: (a) the real estate business, which acquires and sells timberland and other real property, sells
conservation easements and undertakes certain land development activities, (b) the harvest and log sale business, which harvests standing timber and purchases and sells logs, (c) the wood products business, which is generally comprised of
Clearwater’s ownership and operation of the Wood Products Mills and the sale of wood products manufactured at the Wood Products Mills (for the avoidance of doubt, the Retained Business does not include the portion of Clearwater’s wood
products business operated at Clearwater’s lumber mill in Lewiston, Idaho), and (d) the timberland management business that manages Potlatch timberlands. 
 1.67 Retirement Plans. “Retirement Plans,” when immediately preceded by “Clearwater,” means the Clearwater Pension Plans and the Clearwater Savings Plans. When immediately preceded by
“Potlatch,” “Retirement Plans” means the Potlatch Pension Plans and Potlatch Savings Plans. 
 1.68 Salaried Severance
Plan. “Salaried Severance Plan,” when immediately preceded by “Clearwater,” means the Potlatch Forest Products Corporation Salaried Severance Benefit Plan, an ERISA severance program, to be retained by Clearwater. When
immediately preceded by “Potlatch,” “Salaried Severance Plan” means the severance program to be established by Potlatch pursuant to Section 6.6(b). 
 1.69 Savings Plans. “Savings Plans,” when immediately preceded by “Clearwater,” means the Potlatch Forest Products Corporation
Savings Plan for Hourly Employees and the Potlatch Forest Products Corporation Salaried Employees’ Savings Plan. When immediately preceded by “Potlatch,” “Savings Plans” means the defined contribution Plans to be established
by Potlatch pursuant to Section 2.2 and Article IV. 
 1.70 SEC. “SEC” means, as defined in the Separation
Agreement, means the United States Securities and Exchange Commission. 
 1.71 Separation. “Separation” means, as defined in
the Separation Agreement, the separation of the Retained Business from the Pulp-Based Business. 
 1.72 Separation Agreement.
“Separation Agreement” shall have the meaning set forth in the recitals. 
 1.73 Stock Incentive Plan. “Stock Incentive
Plan,” when immediately preceded by “Potlatch,” means any plan, program or arrangement pursuant to which directors, employees and other service providers hold Potlatch Options, Potlatch Restricted Stock Units, Potlatch Performance
Shares or other Potlatch equity incentives. When immediately preceded by “Clearwater,” “Stock Incentive Plan” means the Plans to be established by Clearwater pursuant to Sections 2.2 and 6.2. 
 1.74 Subsidiary. “Subsidiary” means, as defined in the Separation Agreement, when used with reference to any Person, any corporation,
limited liability company, partnership or other organization of which at least a majority of the securities or interests having by the terms 

  

 10 

 
thereof ordinary voting power to elect at least a majority of the board of directors or others performing similar functions with respect to such corporation
or other organization is directly or indirectly owned or controlled by such Person; provided, however, that no Person that is not directly or indirectly wholly owned by any other Person shall be a Subsidiary of such other Person unless such other
Person controls, or has the right, power or ability to control, that Person. After the Distribution, Potlatch and Clearwater shall not be deemed to be under common control for purposes hereof due solely to the fact that Potlatch and Clearwater may
have common stockholders. 
 1.75 Supplemental Benefit Plan. “Supplemental Benefit Plan,” when immediately preceded by
“Clearwater,” means the Potlatch Forest Products Corporation Salaried Employees’ Supplemental Benefit Plan II. When immediately preceded by “Potlatch,” “Supplemental Benefit Plan” means the non-qualified
supplemental excess benefit retirement plan to be established by Potlatch pursuant to Sections 2.2 and 5.1 that corresponds to the Clearwater Supplemental Benefit Plan. 
 1.76 Time Off Policies. “Time Off Policies,” when immediately preceded by “Clearwater,” means the Clearwater vacation,
holidays and other time off policies. When immediately preceded by “Potlatch,” “Time Off Policies” means the vacation, holidays and other time off policies to be established by Potlatch pursuant to Sections 2.2 and 10.4 that
correspond to the Clearwater Time Off Policies. 
 1.77 Transfer Amount. “Transfer Amount” shall have the meaning assigned
to it in Section 3.2(c)(ii). 
 1.78 Transfer Date. “Transfer Date” shall have the meaning assigned to it in
Section 3.2(c)(ii). 
 1.79 Transition Services Agreement. “Transition Services Agreement” means, as defined in the
Separation Agreement, the Transition Services Agreement, dated the date hereof, between RetainCo and Clearwater. 
 1.80 Unemployment
Insurance Program. “Unemployment Insurance Program,” when immediately preceded by “Clearwater,” means the group unemployment insurance policies purchased by Clearwater from time to time. When immediately preceded by
“Potlatch,” “Unemployment Insurance Program” means any group unemployment insurance policies to be established by Potlatch pursuant to Section 10.7. 
 1.81 Valuation Date. “Valuation Date” shall have the meaning assigned to it in Section 3.2(c)(ii). 
 1.82 Wood Products Mills. “Wood Products Mills” means, as defined in the Separation Agreement, each of the following mills and
facilities: 
 (a) sawmill in Prescott, Arkansas (which was permanently closed in May 2008); 
 (b) sawmill in Warren, Arkansas; 
  

 11 

 (c) (i) sawmill, (ii) dry kilns and (iii) plywood mill in St. Maries, Idaho; 
 (d) sawmill in Bemidji, Minnesota; 
 (e)
sawmill in Gwinn, Michigan; and 
 (f) particleboard mill in Post Falls, Idaho. 
  

 12 

 ARTICLE II 
 GENERAL PRINCIPLES 
 2.1 Assumption of Liabilities. 
 (a) Clearwater Employees. Except as specified otherwise in this Agreement, or as mutually agreed upon in writing by Clearwater and Potlatch from
time to time, Clearwater hereby retains, or, as applicable, assumes and agrees to pay, perform, fulfill and discharge, in accordance with their respective terms, all of the following: (i) all Liabilities to or relating to Clearwater Employees,
in each case relating to, arising out of or resulting from employment prior to the Distribution Date (including Liabilities to or relating to Clearwater Employees arising under, relating to or resulting from Potlatch Plans or Clearwater Plans and
including Liabilities to or relating to Clearwater Employees under or relating to workers compensation Laws or claims); (ii) all Liabilities to or relating to Clearwater Employees, to the extent relating to, arising out of, or resulting from
employment with the Clearwater Group on and after the Distribution Date (including Liabilities to or relating to Clearwater Employees arising under, relating to or resulting from Clearwater Plans); and (iii) all other Liabilities relating to,
arising out of, or resulting from obligations, liabilities and responsibilities expressly assumed or retained by the Clearwater Group, or a Clearwater Plan, pursuant to this Agreement. 
 (b) Potlatch Employees. Except as specified otherwise in this Agreement, or as mutually agreed upon in writing by Clearwater and Potlatch from
time to time, Potlatch hereby retains, or, as applicable, assumes and agrees to pay, perform, fulfill and discharge, in accordance with their respective terms, all of the following: (i) all Liabilities to or relating to Potlatch Employees, in
each case relating to, arising out of or resulting from employment prior to the Distribution Date (including Liabilities to or relating to Potlatch Employees arising under, relating to or resulting from Potlatch Plans or Clearwater Plans and
including Liabilities to or relating to Potlatch Employees, under or relating to workers compensation Laws or claims); (ii) all Liabilities to or relating to Potlatch Employees, to the extent relating to, arising out of, or resulting from
employment with the Potlatch Group on and after the Distribution Date (including Liabilities to or relating to Potlatch Employees arising under or relating to Potlatch Plans); and (iii) all other Liabilities relating to, arising out of, or
resulting from obligations, liabilities and responsibilities expressly assumed or retained by the Potlatch Group, or a Potlatch Plan, pursuant to this Agreement. 
 2.2 Establishment of Plans. Effective as of the Distribution Date or such later date(s) as Potlatch and Clearwater may mutually agree in writing: 
 (a) Potlatch shall adopt the Potlatch Pension Plans as provided in Article III; 
 (b) Potlatch shall adopt the Potlatch Savings Plans as provided in Article IV; 
  

 13 

 (c) Potlatch shall adopt the Potlatch Supplemental Benefit Plan, and Clearwater shall adopt the
Clearwater Management Deferred Compensation Plan and the Clearwater Director Deferred Compensation Plan, as provided in Article V; 
 (d) Clearwater shall adopt the Clearwater Incentive Pay Plan and the Clearwater Stock Incentive Plan, and Potlatch shall adopt the Potlatch Salaried Severance Plan and the Potlatch Executive Severance Plan, as provided in Article VI;

 (e) Potlatch shall adopt the Potlatch Health and Welfare Plans and the Potlatch Other Post-Retirement Benefits (OPEB) Program, as provided
in Article VII; 
 (f) the Parties shall establish the Fringe Benefit and other Plans as provided in Article VIII; and 

(g) Potlatch shall establish the Potlatch Time Off Policies and the Potlatch Leave of Absence Programs, as provided in Article X. 
 2.3 Parties Under Certain Obligations to Maintain Plans. Clearwater and Potlatch agree that they each will continue to maintain and sponsor their
respective Plans on the terms and conditions in effect immediately prior to the Distribution Date, as modified by this Agreement, for at least twelve (12) months from the Distribution Date; provided, however, that: (a) any such Plan can be
amended or otherwise altered with regard to any individual who is not a current employee of a Party as of the Distribution Date; (b) any such Plan can be amended to ensure compliance with applicable law, or to maintain its tax-favored,
tax-qualified or tax-exempt status; and (c) any such Plan can be amended, modified, merged, terminated, or otherwise altered to ensure compliance with a Labor Agreement. Except as specified in this Section 2.3 or a Labor Agreement, nothing
in this Agreement shall otherwise preclude Potlatch or Clearwater, at any time after twelve (12) months from the Distribution Date, from amending, merging, modifying, terminating, eliminating, reducing, or otherwise altering in any respect any
of their respective Plans, any benefit under any of their respective Plans or any trust, insurance policy or funding vehicle related to any of their respective Plans. 
 2.4 Participation in Other Party’s Plans. 
 (a) General Obligations as Plan Sponsor. To
the extent that, after the Distribution Date, Clearwater is a Participating Company in any Potlatch Plan or Potlatch is a Participating Company in any Clearwater Plan, Potlatch and Clearwater (as applicable) shall continue to administer, or cause to
be administered, in accordance with their terms and applicable Law, their respective Plans, and shall have the sole and absolute discretion and authority to interpret their respective Plans, as set forth therein. Notwithstanding the foregoing,
neither Party shall, without first consulting with the other Party, amend any Material Feature of a Plan in which the other Party is a Participating Company, except to the extent such amendment would not affect any benefits of the other Party’s
employees under such Plan or as may be necessary or appropriate to comply with applicable law or a Labor Agreement. 
 (b) General
Obligations as Participating Company. To the extent that, after the Distribution Date, Clearwater is a Participating Company in any Potlatch Plan or Potlatch is a Participating Company in any Clearwater Plan, Clearwater or Potlatch (as
applicable) shall 

  

 14 

 
perform with respect to its participation in the other Party’s Plan, the duties of a Participating Company as set forth in each such Plan or any
procedures adopted pursuant thereto, including (without limitation): (i) assisting in the administration of claims, to the extent requested by the claims administrator of the applicable Plan; (ii) cooperating fully with Plan auditors,
benefit personnel and benefit vendors; (iii) preserving the confidentiality of all financial arrangements the Plan sponsor has or may have with any vendors, claims administrators, trustees or any other entity or individual with whom the Plan
sponsor has entered into an agreement relating to the Plan; and (iv) preserving the confidentiality of participant information (including, without limitation, health information in relation to FMLA leaves) to the extent not specified otherwise
in this Agreement. 
 2.5 Terms of Participation. 
 (a) Non-Duplication of Benefits. As of the Distribution Date or such later date that applies to the particular Plan established thereafter, (i) the Potlatch Plans shall be, with respect to Potlatch
Employees, in all respects the successors in interest to, and shall not provide benefits that duplicate benefits provided by, the corresponding Clearwater Plans, and (ii) the Clearwater Plans shall be, with respect to Clearwater Employees, in
all respects the successors in interest to, and shall not provide benefits that duplicate benefits provided by, the corresponding Potlatch Plans. Potlatch and Clearwater shall agree on methods and procedures, including amending their respective Plan
documents, to prevent Potlatch Employees and Clearwater Employees from receiving duplicate benefits from the Potlatch Plans and the Clearwater Plans. 
 (b) Service Credit. Except as specified otherwise in this Agreement, to the extent that Potlatch and Clearwater establish new Plans to replace and succeed the existing Plans maintained by the other Party prior
to the Distribution Date, they shall cause their respective Plans to recognize all service, all compensation and all other benefit-affecting determinations that, as of the Distribution Date, were recognized under the corresponding Plan maintained by
the other Party, except to the extent that duplication of benefits would result. Notwithstanding the foregoing: (i) Potlatch and Clearwater shall recognize service with either Potlatch or Clearwater that was recognized as of the Distribution
Date, except to the extent provided in Section 2.5(a) above, and (ii) Potlatch and Clearwater shall each recognize and grant service credit to any employee who is employed by the Potlatch Group or the Clearwater Group, terminated from such
employment and then hired by the other Party as an employee at any time during the twelve (12) month period following the Distribution Date; provided, however, no service credit shall be required for any such period that he/she is not employed
by either the Potlatch Group or the Clearwater Group. The service crediting provisions shall be subject to any respective applicable “service bridging,” “break in service,” “vesting service,” “employment
date,” or “eligibility date” rules under the Clearwater Plans and the Potlatch Plans. 
 (c) Assumption of Liabilities.
The provisions of this Agreement for the transfer of assets from certain Clearwater Plans to the appropriate Potlatch Plans are based upon the understanding of the Parties that the appropriate Potlatch Plan will assume all Liabilities to or relating
to Potlatch Employees under the corresponding Clearwater Plan, as provided for herein. If any such Liabilities are not effectively assumed by the appropriate Potlatch Plan, then the amount of transferred assets shall be recomputed accordingly,
taking into account the retention of such Liabilities by such Clearwater Plan, and assets shall be transferred from the appropriate 

  

 15 

 
Potlatch Plan to the appropriate Clearwater Plan so as to place the appropriate Potlatch Plan in the position it would have been in, had the initial asset
transfer been made in accordance with such recomputed amount of assets. 
  

 16 

 ARTICLE III 
 DEFINED BENEFIT PENSION PLANS 
 3.1 Establishment of Potlatch Pension Plans and Master
Trust. 
 (a) Pension Plans. Effective as of January 1, 2009, Potlatch shall establish, or cause to be established, the
Potlatch Salaried Pension Plan and the Potlatch Hourly Represented Pension Plan, which shall be substantially identical in all Material Features to the corresponding Clearwater Pension Plans as in effect on December 31, 2008. The sponsorship of
the existing Clearwater Hourly Non-Represented Pension Plan shall be transferred from Clearwater to Potlatch as of January 1, 2009, and, as of the Distribution Date, Potlatch shall assume all liabilities relating to such Plan. 
 (b) Master Trust. Effective as of January 1, 2009, Potlatch shall establish, or cause to be established, a new master trust which is intended
to be exempt from taxation under Code Section 501(a), to hold the assets of the Potlatch Pension Plans. 
 3.2 Assumption of
Liabilities and Transfer of Trust Assets. 
 (a) Assumption of Liabilities. Subject to the completion of each of the asset
allocations and transfers described in Section 3.2(b) and (c), effective as of January 1, 2009, (i) all accrued benefits of the Potlatch Employees under each of the Clearwater Pension Plans shall be transferred to the corresponding
Potlatch Pension Plan, and (ii) each such Potlatch Pension Plan shall assume and be solely responsible for all Liabilities for or relating to the accrued benefits of the Potlatch Employees under the corresponding Clearwater Pension Plan.

 (b) Hourly Non-Represented Pension Plan. In conjunction with the assumption by Potlatch of the sponsorship of the Clearwater Hourly
Non-Represented Pension Plan, all of the assets of the Clearwater Hourly Non-Represented Pension Plan shall be transferred from the existing trust established under such Plan to the master trust established by Potlatch pursuant to
Section 3.1(b). 
 (c) Salaried Pension Plan and Hourly Represented Pension Plan. 
 (i) As soon as reasonably practicable after the Distribution Date, the Parties shall engage an enrolled actuary to determine for each of
the Clearwater Salaried Pension Plan and the Clearwater Hourly Represented Pension Plan, the total accrued benefit Liabilities as of the Distribution Date for all participants in such Plans, calculated on a plan termination basis in accordance with
Title IV of ERISA. The particular actuarial assumptions that will be used to value the benefit Liabilities described in the preceding sentence shall be set forth in Schedule 3.2(c)(i) hereto. The enrolled actuary shall allocate such accrued
Liabilities to the priority categories described in ERISA Section 4044 and shall determine, for each such priority category, the amount of accrued Liabilities attributable to Potlatch Employees and the amount of accrued Liabilities attributable
to Clearwater Employees. 
  

 17 

 (ii) As soon as reasonably practicable after the determinations described in
Section 3.2(c)(i), the Parties shall designate a date for valuing the assets of each of the Clearwater Salaried Pension Plan and the Clearwater Hourly Represented Pension Plan (the “Valuation Date”), and a date as soon as
practicable after the Valuation Date on which there shall occur the initial transfer of assets from each such Clearwater Pension Plan to the corresponding Potlatch Pension Plan (the “Transfer Date”). The fair market value of the
assets of each such Clearwater Pension Plan as of the Valuation Date (excluding the effect of any contributions made to such Clearwater Pension Plan after the Distribution Date and any distributions made by the Clearwater Pension Plan to Potlatch
Employees after the Distribution Date) shall be allocated to the priority categories of accrued Liabilities determined under Section 3.2(c)(i), in the order specified under ERISA Section 4044, until all such assets have been fully
allocated. On the Transfer Date, the amount of assets allocated to the accrued Liabilities attributable to Potlatch Employees in each of the priority categories (the “Transfer Amount”) shall be transferred from the trust established
under the Clearwater Pension Plans to the trust established under the Potlatch Pension Plans, and Potlatch shall cause the trust established under its Plans to accept such transfer. The Parties agree and acknowledge that a second Transfer Date will
likely be necessary to reconcile any erroneous transfers and provide for an interest adjustment. Such additional Transfer Date, if necessary, shall occur as soon as administratively feasible following the Transfer Date but in no event later than
December 31, 2009. 
 (iii) Notwithstanding the foregoing, in no event shall the Transfer Amount be less than the minimum
amount required to satisfy the requirements of Code Section 414(l) and the regulations thereunder. 
 (iv) Each of the
Parties shall bear an equal portion of the cost of the enrolled actuary’s determinations under this Section 3.2(c). 
 3.3 No
Distributions to Potlatch Employees. The Clearwater and Potlatch Pension Plans shall provide that no distribution of retirement benefits shall be made to any Potlatch Employee on account of the Potlatch Group ceasing to be an Affiliate of the
Clearwater Group as of the Distribution Date. 
  

 18 

 ARTICLE IV 
 DEFINED CONTRIBUTION PLANS 
 4.1 Establishment of Potlatch Savings Plans and Master
Trust. 
 (a) Savings Plans. Effective as of the Distribution Date or such other date as Potlatch and Clearwater may mutually agree
in writing, Potlatch shall establish, or cause to be established, the Potlatch Savings Plans, which shall be substantially identical in all Material Features to the corresponding Clearwater Savings Plans as in effect on the Distribution Date.

 (b) Master Trust. Effective as of the Distribution Date or such other date as the Parties agree to in Section 4.1(a), Potlatch
shall establish, or cause to be established, a new master trust, which is intended to be exempt from taxation under Code Section 501(a), to hold the assets of the Potlatch Savings Plans. 
 (c) Assumption of Liabilities and Transfer of Assets. Effective as of the Distribution Date: (i) each Potlatch Savings Plan shall assume and
be solely responsible for all Liabilities for or relating to Potlatch Employees under the corresponding Clearwater Savings Plan, subject to the completion of the asset transfers; and (ii) Clearwater shall cause the accounts of the Potlatch
Employees under each Clearwater Savings Plan that are held by its related trust as of the Distribution Date to be transferred to the corresponding Potlatch Savings Plan and related trust, and Potlatch shall cause such transferred accounts to be
accepted by each such Potlatch Plan and related trust. As soon as reasonably practicable after the Distribution Date, Potlatch shall use its commercially reasonable efforts to enter into agreements satisfactory to Potlatch to accomplish such
assumption and transfer, the maintenance of the necessary participant records, the appointment of an initial trustee under the Potlatch Savings Plans, and the engagement of an initial recordkeeper under the Potlatch Savings Plans. Clearwater and
Potlatch each agree to use their commercially reasonable efforts to effectuate this Section 4.1. 
 (d) Stock Fund
Considerations. As a result of the Distribution and the transfers of liabilities and assets described in Section 4.1(c), each Clearwater Savings Plan and each Potlatch Savings Plan shall include investment funds comprised of Potlatch Common
Stock and Clearwater Common Stock. Clearwater and Potlatch shall assume sole responsibility for ensuring that their respective company stock funds, and underlying employer securities held in each such fund, are maintained in compliance with all
requirements of the SEC including, without limitation, filing Forms S-8 and 11-K, and the prospectus requirements for such funds. Notwithstanding Section 2.3 or any other provision in this Agreement, on and after the Distribution Date,
nothing shall preclude either Clearwater or Potlatch from imposing restrictions through their respective Savings Plans on future investments in securities issued by the other Party, or from discontinuing any investment fund holding securities issued
by the other Party. 
 (e) No Distribution to Potlatch Employees. The Potlatch and Clearwater Savings Plans shall provide that no
distribution of account balances shall be made to any 

  

 19 

 
Potlatch Employee on account of the Potlatch Group ceasing to be an Affiliate of the Clearwater Group as of the Distribution Date. 
  

 20 

 ARTICLE V 
 NON-QUALIFIED AND SUPPLEMENTAL PLANS 
 5.1 Supplemental Benefit Plans. 
 (a) Establishment of Potlatch Supplemental Benefit Plan. Effective as of the Distribution Date, Potlatch shall establish the Potlatch Supplemental
Benefit Plan that shall be substantially identical in all Material Features to the Clearwater Supplemental Benefit Plan. Potlatch shall continue to sponsor the Potlatch Corporation Salaried Employees’ Supplemental Benefit Plan, which was frozen
as of December 31, 2004 (the “Frozen Supplemental Plan”). 
 (b) Assumption of Liabilities by Potlatch Supplemental
Benefit Plan. Effective as of the Distribution Date, all accrued benefits of Potlatch Employees under the Clearwater Supplemental Benefit Plan shall be transferred to the Potlatch Supplemental Benefit Plan. The Potlatch Supplemental Benefit Plan
shall assume and be solely responsible for all Liabilities for or relating to the accrued benefits of the Potlatch Employees under the Clearwater Supplemental Benefit Plan as of the Distribution Date. 
 (c) Assumption of Liabilities by Clearwater Supplemental Benefit Plan. Effective as of the Distribution Date, all accrued benefits of Clearwater
Employees under the Frozen Supplemental Plan shall be transferred to the Clearwater Supplemental Benefit Plan. The Clearwater Supplemental Benefit Plan shall assume and be solely responsible for all Liabilities for or relating to the accrued
benefits of the Clearwater Employees under the Frozen Supplemental Plan as of the Distribution Date. 
 5.2 Deferred Compensation
Plans. 
 (a) Establishment of Clearwater Deferred Compensation Plans. Effective as of the Distribution Date, Clearwater shall
establish the Clearwater Management Deferred Compensation Plan and the Clearwater Director Deferred Compensation Plan, which shall be substantially identical in all Material Features to the Potlatch Management Deferred Compensation Plan and the
Potlatch Director Deferred Compensation Plan, respectively. 
 (b) Assumption of Liabilities by Clearwater Management Deferred
Compensation Plan. Effective as of the Distribution Date, all deferred compensation benefits of Clearwater Employees under the Potlatch Management Deferred Compensation Plan shall be transferred to the Clearwater Management Deferred Compensation
Plan. The Clearwater Management Deferred Compensation Plan shall assume and be solely responsible for all Liabilities for or relating to the deferred compensation benefits of the Clearwater Employees under the Potlatch Management Deferred
Compensation Plan as of the Distribution Date. 
 (c) Clearwater Assumption of Other Management Deferred Compensation Liabilities.
Effective as of the Distribution Date, all deferred compensation benefits of Clearwater Employees under the Potlatch Corporation Management Performance Award Plan and the Potlatch Corporation Management Performance Award Plan II shall be transferred
to the 

  

 21 

 
Clearwater Management Deferred Compensation Plan or to an alternative plan or plans established by Clearwater. Such Clearwater Plan or Plans shall assume and
be solely responsible for all Liabilities for or relating to the deferred compensation benefits of the Clearwater Employees under such Potlatch Plans. 
 (d) Director Deferred Compensation Liabilities. Potlatch shall retain all Liabilities to current and former directors of Potlatch under the Potlatch Director Deferred Compensation Plan and any predecessor
deferred compensation Plans for Potlatch directors. Clearwater shall establish the Clearwater Director Deferred Compensation Plan to provide benefits for directors of Clearwater comparable to those provided under the Potlatch Director Deferred
Compensation Plan. 
 (e) Treatment of Stock Units. With respect to the deferred compensation benefits under the Potlatch Plans
described in this Section 5.2 that have been deemed invested in “stock units” (units denominated in shares of Potlatch Common Stock) prior to the Distribution Date, the following provisions shall apply: 
 (i) Potlatch shall cause the number of stock units allocated to each deferred compensation account to be adjusted as of the Distribution
Date. The adjusted number of units shall equal the number of units allocated to the account immediately prior to the Distribution Date divided by the Potlatch Ratio, rounded to three (3) decimal places. 
 (ii) For account balances that will be assumed by the Clearwater Plans, Clearwater shall assume the obligation to treat such accounts as
deemed invested in Potlatch stock units, as adjusted by Potlatch pursuant to Section 5.2(e)(i). Notwithstanding the foregoing, Clearwater shall be permitted to give Clearwater Employees and Clearwater directors an election to have their
Potlatch stock units converted into Clearwater stock units (units denominated in shares of Clearwater Common Stock) as of the Distribution Date, in lieu of the adjustment described in Section 5.2(e)(i). For Clearwater Employees and directors
who make such an election, the number of Clearwater stock units allocated to each such account as a result of such conversion shall equal the total number of Potlatch stock units allocated to the account immediately prior to the Distribution Date
divided by the Clearwater Ratio, rounded to three (3) decimal places. 
 (f) No Distributions to Potlatch or Clearwater
Employees. Potlatch and Clearwater agree that the Separation and Distribution shall not be viewed as a separation from service or other termination of employment entitling Potlatch Employees or Clearwater Employees or other participants in the
Plans described in this Article V to distributions of their deferred compensation benefits. Potlatch and Clearwater shall cause their respective deferred compensation Plans to be amended (if necessary) and to be administered in a manner
consistent with this understanding. 
  

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 ARTICLE VI 
 EQUITY AND OTHER MANAGEMENT COMPENSATION 
 6.1 Incentive Pay Plans. Clearwater
Employees shall cease participating in the Potlatch Incentive Pay Plan as of the Distribution Date. Clearwater shall establish the Clearwater Incentive Pay Plan to provide annual incentive bonuses for periods beginning on or after the Distribution
Date. The Clearwater Incentive Pay Plan may, but is not required to, contain the same Material Features as the Potlatch Incentive Pay Plan. Notwithstanding the foregoing, if the Distribution Date occurs in 2008 or in 2009 prior to the date when 2008
bonuses would be payable under the Potlatch Incentive Pay Plan, Clearwater shall assume the obligation to pay 2008 bonuses to the Clearwater Employees (such bonuses to be determined as if the Clearwater Employees had continued to participate in the
Potlatch Incentive Pay Plan for all of 2008), and Potlatch shall have no responsibility for the payment of 2008 bonuses to the Clearwater Employees. 
 6.2 Clearwater Stock Incentive Plan. Clearwater shall establish the Clearwater Stock Incentive Plan to provide equity incentives to Clearwater Employees after the Distribution Date. The Clearwater Stock
Incentive Plan may, but is not required to, contain the same Material Features as the Potlatch Stock Incentive Plan. 
 6.3 Potlatch
Options. 
 (a) Adjustment of Potlatch Options. As of the Distribution Date, each outstanding Potlatch Option held by Potlatch
Employees and Clearwater Employees shall be, in connection with the Distribution, adjusted by Potlatch. Each such Potlatch Option shall continue to have, and be subject to, the same terms and conditions set forth in the Potlatch Stock Incentive
Plans and as provided in the respective option agreements governing such Potlatch Option as of the Distribution Date, except that (i) such Potlatch Option shall be exercisable for that number of whole shares of Potlatch Common Stock equal to
the number of shares of Potlatch Common Stock that were issuable upon exercise of such Potlatch Option as of the Distribution Date divided by the Potlatch Ratio, rounded up to the nearest whole share, and (ii) the per share exercise price for
the shares of Potlatch Common Stock issuable upon exercise of such Potlatch Option shall be equal to the exercise price per share at which such Potlatch Option was exercisable as of the Distribution Date multiplied by the Potlatch Ratio, rounded to
four (4) decimal places. 
 (b) Potlatch Options Held by Clearwater Employees. In addition to the adjustment described in
Section 6.3(a), Potlatch shall amend the Options held by Clearwater Employees to provide that the Separation and Distribution shall not give rise to a forfeiture of the Options held by the Clearwater Employees after ninety (90) days from
the Distribution Date, so that they can exercise the Options in accordance with their terms, subject to continued employment with Clearwater. Upon the request of Potlatch in connection with the exercise of an Option held by a Clearwater Employee and
in order to determine whether such Option is being 

  

 23 

 
validly exercised by the Clearwater Employee, Clearwater shall confirm to Potlatch such Clearwater Employee’s current employment status with Clearwater.

 6.4 Potlatch Restricted Stock Units. 
 (a) Adjustment of Potlatch Restricted Stock Units. As of the Distribution Date, each outstanding Potlatch Restricted Stock Unit held by Potlatch Employees, whether vested or unvested, shall be, in connection
with the Distribution, adjusted by Potlatch. Each such Potlatch Restricted Stock Unit shall continue to have, and be subject to, the same terms and conditions set forth in the Potlatch Stock Plans and as provided in the respective award agreements
governing such Potlatch Restricted Stock Unit as of the Distribution Date, except that the number of shares of Potlatch Common Stock for which such Potlatch Restricted Stock Unit can be settled shall be equal to the number of shares of Potlatch
Common Stock that were issuable upon settlement of such Potlatch Restricted Stock Unit as of the Distribution Date divided by the Potlatch Ratio, rounded to three (3) decimal places. 
 (b) Potlatch Restricted Stock Units Held by Clearwater Employees. Potlatch Restricted Stock Units held by Clearwater Employees shall be forfeited
as of the Distribution Date in accordance with the terms of the applicable award agreements. Clearwater shall be responsible for issuing cash incentives or equity incentives based on Clearwater Common Stock, which may include Clearwater Restricted
Stock Units, to provide a substitute of comparable value for such terminated Potlatch Restricted Stock Units. 
 6.5 Potlatch Performance
Shares. 
 (a) Adjustment of Potlatch Performance Shares for the 2006-2008 Performance Period. Prior to the record date for the
Distribution (the “Record Date”), each outstanding Potlatch Performance Share award held by a Potlatch Employee or Clearwater Employee for the 2006-2008 performance period shall be settled by Potlatch. Each such Potlatch Performance
Share award shall continue to have, and be subject to, the same terms and conditions set forth in the Potlatch Stock Incentive Plans and as provided in the respective award agreements governing such Potlatch Performance Shares, except that the
determination of the extent to which the performance goals for the 2006-2008 period shall have been attained shall be made as of the last day of the calendar quarter preceding the Record Date. 
 (b) Adjustment of Potlatch Performance Shares for the 2007-2009 and 2008-2010 Performance Periods. As of the Distribution Date, each outstanding
Potlatch Performance Share award held by Potlatch Employees for the 2007-2009 and 2008-2010 performance periods, whether vested or unvested, shall be, in connection with the Distribution, adjusted by Potlatch. Each such Potlatch Performance Share
award shall continue to have, and be subject to, the same terms and conditions set forth in the Potlatch Stock Incentive Plans and as provided in the respective award agreements governing such Potlatch Performance Shares as of the Distribution Date,
except that (i) the number of shares of Potlatch Common Stock for which such Potlatch Performance Share award can be settled shall be equal to the number of shares of Potlatch Common Stock that were issuable upon settlement of such Potlatch
Performance Share award as of the Distribution Date divided by the Potlatch Ratio, rounded to three (3) decimal places, and 

  

 24 

 
(ii) the Distribution shall be treated as a dividend for purposes of measuring attainment of the total shareholder return performance objectives. 

(c) Potlatch Performance Shares Held by Clearwater Employees. Potlatch Performance Share Awards for the 2006-2008 performance period that are
held by Clearwater Employees shall be settled and paid in the manner described in Section 6.5(a). Potlatch Performance Share awards for the 2007-2009 and 2008-2010 performance periods held by Clearwater Employees shall be forfeited as of the
Distribution Date in accordance with the terms of the applicable award agreements. Clearwater shall be responsible for issuing cash incentives or equity incentives based on Clearwater Common Stock, which may include Clearwater Performance Share
awards, to provide a substitute of comparable value for such terminated Potlatch Performance Share awards. 
 6.6 Severance Plans.

 (a) Executive Severance Plan. Effective as of the Distribution Date, Potlatch shall establish the Potlatch Executive Severance Plan
that shall be substantially identical in all Material Features to the Clearwater Executive Severance Plan. 
 (b) Salaried Severance
Plan. Effective as of the Distribution Date, Potlatch shall establish the Potlatch Salaried Severance Plan that shall be substantially identical in all Material Features to the Clearwater Salaried Severance Plan. 
 (c) No Separation from Service. The Parties agree that the Separation and Distribution shall not be considered a separation from service or
termination of employment entitling Potlatch Employees or Clearwater Employees to be eligible to participate in or to receive payment of severance benefits under the Executive Severance Plans or Salaried Severance Plans. Potlatch and Clearwater
shall cause their respective Executive Severance Plans and Salaried Severance Plans to be amended (if necessary) and to be administered in a manner consistent with this understanding. 
 6.7 Deferred Payment Contracts and Severance Contracts. All Liabilities with respect to, and all responsibilities for administering, the deferred
payment contracts and severance contracts for the individuals listed on Schedule 6.7 shall be allocated between the Parties as set forth on Schedule 6.7. 
  

 25 

 ARTICLE VII 
 HEALTH AND WELFARE PLANS 
 7.1 Establishment of Potlatch Health and Welfare Plans.

 (a) New Plans. Effective as of January 1, 2009, Potlatch shall establish, or cause to be established, the Potlatch Health and
Welfare Plans which shall be substantially identical in all Material Features to the corresponding Clearwater Health and Welfare Plans as in effect on the Distribution Date. Potlatch shall cause the Potlatch Health and Welfare Plans to be
responsible for all claims incurred by Potlatch Employees on and after January 1, 2009 (subject to the terms of such Plans). 
 (b)
Existing Arrangement. Clearwater, as sponsor of the existing Health and Welfare Plans through December 31, 2008, agrees not to make any modification, amendment or other change to any Health and Welfare Plan without Potlatch’s
consent through December 31, 2008. 
 7.2 Insured Health and Welfare Benefits. Effective as of the Distribution Date and through
December 31, 2008, Potlatch shall be liable to Clearwater for premiums owed for coverage for Potlatch Employees under the Clearwater Health and Welfare Plans (other than the Disability Plan). 
 7.3 Self-Insured Health and Welfare Benefits. 
 (a) Administration of Claims of Potlatch Employees. Clearwater shall cause the Clearwater Health and Welfare Plans, other than Disability Plans, to administer all claims incurred by Potlatch Employees and Clearwater Employees under
such Plans prior to January 1, 2009, including claims incurred but not yet reported prior to January 1, 2009. The Clearwater Health and Welfare Plans, other than Disability Plans, shall be responsible for claims incurred (including claims
incurred but not yet reported) prior to January 1, 2009. Potlatch shall be liable to Clearwater for any such claims incurred by Potlatch Employees from the Distribution Date through December 31, 2008. Thereafter, the Potlatch Health and
Welfare Plans, other than Disability Plans, shall be responsible for and assume Liability for claims incurred on or after January 1, 2009. For this purpose, a claim shall be deemed to be incurred: 
 (i) when an individual obtains professional services, equipment or prescription drugs covered by a medical, prescription drug, dental or
vision benefit plan; 
 (ii) upon death in the case of a life insurance plan; and 
 (iii) as of the date of the accident or injury in the case of an accidental death and dismemberment or business travel accident plan.

 (b) Clearwater Health Plans. Notwithstanding the foregoing, the Clearwater Health Plans shall be responsible for but not liable for
the cost of all professional services, 

  

 26 

 
equipment and prescription drugs provided during a hospital stay or similar confinement of a Potlatch Employee that begins prior to January 1, 2009, and
ends after January 1, 2009 (subject to the terms and conditions of the Clearwater Health Plans). Potlatch shall be liable to Clearwater for any and all such costs incurred by Potlatch Employees from the Distribution Date through the end of such
stay or confinement. Thereafter, the Potlatch Health Plans shall be responsible and assume related Liability for the cost of all professional services, equipment and prescription drugs provided during a hospital stay or similar confinement of a
Potlatch Employee that begins on or after January 1, 2009 (subject to the terms and conditions of the Potlatch Health Plans). 
 7.4
Disability Plans. Effective as of the Distribution Date and through December 31, 2008, the Disability Plans will be administered by Clearwater as set forth in the Transition Services Agreement. Effective as of the Distribution Date,
Potlatch shall assume responsibility and accompanying Liability for any Potlatch Employee who is absent from work on account of a short term disability. Furthermore, effective as of the Distribution Date and through December 31, 2008, Potlatch
shall be liable to Clearwater for premiums owed for long-term disability coverage for Potlatch Employees under the Clearwater Disability Plans. Effective as of January 1, 2009, the Potlatch Disability Plans (short-term and long-term) shall
assume responsibility and accompanying Liability for Potlatch Employees. 
 7.5 Outsourcing of Claims. Potlatch and Clearwater shall
have the right to engage a third party administrator, vendor, or insurance company to administer (“Outsource”) claims incurred under their respective Health and Welfare Plans, including claims incurred before January 1, 2009. Each
Party may determine the manner and extent of such Outsourcing, including the selection of one or more third party administrators, vendors, or insurance companies and the ability to transfer the Liability for such claims to one or more independent
insurance companies. 
 7.6 Post-Distribution Transitional Arrangements. 
 (a) Transition Period. Both Clearwater and Potlatch will participate in the Clearwater Health and Welfare Plans through December 31, 2008.
Accordingly, Potlatch shall reimburse Clearwater for any and all direct and indirect expenses and costs for claims incurred through December 31, 2008, by Potlatch Employees. 
 (b) Continuance of Elections, Co-Payments and Maximum Benefits. 
 (i) As of January 1, 2009, Potlatch shall cause the Potlatch Health and Welfare Plans to recognize and maintain all coverage and
contribution elections made by Potlatch Employees under the Clearwater Health and Welfare Plans and apply such elections under the Potlatch Health and Welfare Plans for the remainder of the period or periods for which such elections are by their
terms applicable. The direct transfer or other movement of employment between Potlatch and Clearwater at any time upon or before January 1, 2009, shall neither constitute nor be treated as a “status change” or termination of
employment under the Potlatch Health and Welfare Plans or the Clearwater Health and Welfare Plans. 
  

 27 

 (ii) On and after January 1, 2009, Potlatch shall cause the Potlatch Health Plans to
recognize and give credit for all benefits paid to Potlatch Employees under the Clearwater Health Plans for purposes of determining when such persons have reached their lifetime maximum benefits under the Potlatch Health Plans. 
 (c) HCFA Administration. As of the Distribution Date, Potlatch shall assume all Liabilities relating to, arising out of or resulting from claims
verified by Potlatch or Clearwater under the HCFA data match reports that relate to Potlatch Employees. 
 7.7 Vendor Arrangements.
The Parties shall use their commercially reasonable efforts to enable Potlatch to procure, effective as of January 1, 2009: (a) third party ASO Contracts with the Material Features of the ASO Contracts entered into by Clearwater, as set
forth in Schedule 7.7(a) (the “ASO Contracts”); and (b) Group Insurance Policies, with the Material Features of the Group Insurance Policies entered into by Clearwater, as set forth in Schedule 7.7(b)
(the “Group Insurance Policies”). In each case, Potlatch shall, as of January 1, 2009, be responsible for establishing, adopting and implementing such contracts, agreements and arrangements for the Potlatch Health and Welfare
Plans, and Clearwater shall be responsible for maintaining such contracts, agreements and arrangements for the Clearwater Health and Welfare Plans. 
 7.8 Business Travel Accident Insurance. Potlatch shall procure a business travel accident insurance policy with the Material Features of the Clearwater business travel accident policy, effective as of the Distribution Date.

 7.9 Flexible Benefits Plans. Through December 31, 2008, Potlatch and designated members of the Potlatch Group shall remain
Participating Companies in the Clearwater Flexible Benefits Plan. The existing elections for Potlatch Employees shall remain in effect through December 31, 2008. Potlatch shall reimburse Clearwater for any and all direct and indirect expenses
and costs attributable to Potlatch Employees through December 31, 2008. Effective as of January 1, 2009, Potlatch shall establish, or caused to be established, the Potlatch Flexible Benefits Plan and shall be solely responsible for
implementing and maintaining the Potlatch Flexible Benefits Plan. The Potlatch Flexible Benefits Plan shall be Liable for any and all outstanding claims incurred and made by Potlatch Employees attributable to their 2008 elections after
December 31, 2008, in accordance with the terms of the Potlatch Flexible Benefits Plan. Accordingly, Clearwater and Potlatch shall each take all actions necessary to cause a spin-off of the portion of the Clearwater Flexible Benefits Plan
covering Potlatch Employees to the Potlatch Flexible Benefits Plan for the outstanding recordkeeping account balances after December 31, 2008, in accordance with Revenue Ruling 2002-32 and subsequent guidance thereunder. Such actions shall
include, but not be limited to, a transfer by or on behalf of Clearwater to Potlatch of the amount equal to participant contributions to the Clearwater Flexible Benefits Plan from January 1, 2008 through the Distribution Date, less the
participant reimbursements for such period. 
 7.10 COBRA. Clearwater shall be responsible through December 31, 2008, for
compliance with the health care continuation coverage requirements of COBRA and the Clearwater Health and Welfare Plans with respect to Potlatch Employees and qualified beneficiaries (as such term is defined under COBRA). On or about
December 31, 2008, 

  

 28 

 
Clearwater shall provide Potlatch, through hard copy, electronic format or such other mechanism as is appropriate under the circumstances, with a list of all
qualified beneficiaries (as such term is defined under COBRA) that relate to the Potlatch Group and the relevant information pertaining to their coverage elections and remaining COBRA time periods. Effective as of January 1, 2009, Potlatch
shall be solely responsible for compliance with the health care continuation coverage requirements of COBRA and the Potlatch Health and Welfare Plans for Potlatch Employees and their qualified beneficiaries (as such term is defined under COBRA).

 7.11 Other Post-Retirement Benefits (OPEB) Programs. 
 (a) Administration. As soon as reasonably practicable after December 31, 2008, Clearwater shall provide to Potlatch, through hard copy, electronic format or such other mechanism as is appropriate under the
circumstances, a list detailing all Potlatch Employees who are, to the knowledge of Clearwater, eligible to participate in the Clearwater Other Post-Retirement Benefits Program as of January 1, 2009, and the type of coverage and level of
coverage for which they are eligible, as applicable. Effective as of January 1, 2009, Clearwater shall be solely responsible for the administration of the Clearwater Other Post-Retirement Benefits (OPEB) Program for Clearwater Employees, and
Potlatch shall be solely responsible for the administration of the Potlatch Other Post-Retirement Benefits (OPEB) Program for the Potlatch Employees. 
 (b) Assumption of Liabilities. Effective as of January 1, 2009, (i) the Potlatch Other Post-Retirement Benefits (OPEB) Program shall assume and be solely responsible for any and all Liabilities for or
relating to Potlatch Employees under the corresponding Clearwater Other Post-Retirement Benefits (OPEB) Program, and (ii) the Clearwater Other Post-Retirement Benefits (OPEB) Program shall assume and be solely responsible for any and all
Liabilities for or relating to Clearwater Employees under the Clearwater Other Post-Retirement Benefits (OPEB) Program. 
 (c) Transition
Period. Potlatch shall reimburse Clearwater for any and all direct and indirect expenses and costs attributable to the Potlatch Employees’ coverage under the Clearwater Other Post-Retirement Benefits (OPEB) Program from the Distribution
Date through December 31, 2008 (or such other date as the Parties may mutually agree upon in writing). 
  

 29 

 ARTICLE VIII 
 FRINGE AND OTHER BENEFITS 
 8.1 Employee Assistance Program. The Parties shall use
their commercially reasonable efforts to procure, effective as of the Distribution Date or such other date as Potlatch and Clearwater may mutually agree in writing, contracts and arrangements with Clearwater’s vendors to establish an employee
assistance program for Potlatch Employees that contains the Material Features of the existing contracts and arrangements of Clearwater’s employee assistance program. Potlatch shall cease to be a Participating Company in the Clearwater employee
assistance program coincident with Potlatch’s establishment of the Potlatch employee assistance program. 
 8.2 Educational
Assistance Program. 
 (a) Establishment of Educational Assistance Program. Effective as of the Distribution Date or such other
date as Clearwater and Potlatch may mutually agree in writing, each Party shall provide an educational assistance program to its respective Employees that has the Material Features of the Clearwater educational assistance program. Potlatch shall
cease to be a Participating Company in the Clearwater educational assistance program coincident with Potlatch’s establishment of the Potlatch educational assistance program. 
 (b) Reimbursement of Expenses. As of the Distribution Date, any and all outstanding approved reimbursements under the Clearwater educational
assistance program for Potlatch Employees shall be made by Potlatch. Potlatch and Clearwater each agree to be responsible for providing benefits to their respective Employees who are enrolled in a class or other program as of the Distribution Date
for which approval has been granted under the Clearwater educational assistance program on or before the Distribution Date. 
 8.3 Other
Benefits. To the extent that Potlatch or Clearwater maintains, sponsors or provides other fringe benefits including, without limitation, the benefits specified in Schedule 8.3 to its employees, then each Party shall, to the extent
permitted by law, continue to make such benefits available to Clearwater Employees and Potlatch Employees, respectively, on substantially similar terms and conditions as are currently offered through the Distribution Date or such other date upon
which Clearwater and Potlatch mutually agree in writing. Each Party shall reimburse the other Party for any and all direct and indirect costs and expenses arising out of or relating to or resulting from making any such fringe benefits available to
the other Party’s employees. Clearwater and Potlatch agree to make commercially reasonable efforts to mutually agree in writing, whether, when, and on what terms any member of the Clearwater Group and Potlatch Group shall maintain, sponsor or
offer fringe benefits. 
  

 30 

 ARTICLE IX 
 TRANSITION ADMINISTRATIVE PROVISIONS 
 9.1 Transition Services Agreement. On the date
hereof, Potlatch and Clearwater have entered into the Transition Services Agreement covering the provision of various interim services, including financial, accounting, legal, and other services between the Parties. 
 9.2 Payment of Liabilities, Plan Expenses and Related Matters. For the period from the Distribution Date until such date as each Party maintains
its own Plan(s), the following provisions shall be in effect: 
 (a) Shared Costs. Each Party shall pay its share, as mutually
determined by Clearwater in good faith, of any contributions made to any trust maintained in connection with a Clearwater Plan while the Parties both participate in that Clearwater Plan. 
 (b) Contributions to Trusts. With respect to Plans to which Potlatch Employees make contributions, Clearwater shall use reasonable procedures to
determine Potlatch’s Liabilities associated with such Plans, taking into account such contributions, settlements, refunds and similar payments. 
 (c) Administrative Expenses Not Chargeable to a Trust. Plan administration expenses shall be allocated in the manner described in Article IX of the Separation Agreement to the extent not (i) charged
pursuant to the Transition Services Agreement or another provision of this Agreement, (ii) otherwise mutually agreed to in writing by Potlatch and Clearwater, or (iii) chargeable to a trust established in connection with a Clearwater Plan
or a Potlatch Plan. 
 9.3 Sharing of Participant Information. In addition to the responsibilities and obligations of Potlatch and
Clearwater specified in Article XII of the Separation Agreement, Potlatch and Clearwater shall share, or cause to be shared, all participant information that is necessary or appropriate for the efficient and accurate administration of each of the
Potlatch Plans and the Clearwater Plans during the respective periods applicable to such Plans as Clearwater and Potlatch may mutually agree in writing. Potlatch and Clearwater and their respective authorized agents shall, subject to applicable laws
of confidentiality and data protection, duplicate all files no matter in what format relating to the subjects of this Agreement and that are in the custody of the other Party or its agents, to the extent necessary or appropriate for such
administration. 
 9.4 Reporting and Disclosure Communications to Participants. While Potlatch is a Participating Company in the
Clearwater Plans or Clearwater is a Participating Company in the Potlatch Plans, each Party shall take, or cause to be taken, all actions necessary or appropriate to facilitate the distribution of all Plan-related communications and materials to its
respective Employees, participants and beneficiaries, including (without limitation) summary plan descriptions and related summaries of material modification(s), summary annual reports, investment information, prospectuses, notices and enrollment
materials. The Parties shall assist 

  

 31 

 
each other in complying with all reporting and disclosure requirements of ERISA for their respective Plans, including the preparation of Form
Series 5500 annual reports, where applicable. 
 9.5 Audits Regarding Vendor Contracts. From the period beginning as of the
Distribution Date and ending eight (8) years thereafter, or such earlier date as Potlatch and Clearwater may mutually agree in writing, Potlatch and Clearwater and their duly authorized representatives shall have the right to conduct joint
audits with respect to any vendor contracts that relate to both the Potlatch Plans and the Clearwater Plans. The scope of such audits shall encompass the review of all correspondence, account records, claim forms, canceled drafts (unless retained by
the bank), provider bills, medical records submitted with claims, billing corrections, vendor’s internal corrections of previous errors and any other documents or instruments relating to the services performed by the vendor under the applicable
vendor contracts. Potlatch and Clearwater shall agree on the performance standards, audit methodology, auditing policy and quality measures, reporting requirements, and the manner in which costs incurred in connection with such audits will be
allocated between the Parties. 
 9.6 Beneficiary Designations. Subject to Section 9.9, all beneficiary designations made by
Potlatch Employees under Clearwater Plans, and all beneficiary designations made by Clearwater Employees under Potlatch Plans, shall be transferred to and be in full force and effect under the corresponding Plans established by the other Party until
such beneficiary designations are replaced or revoked by the Potlatch Employee or Clearwater Employee who made the beneficiary designation. 
 9.7 Requests for IRS, PBGC and DOL Opinions. Potlatch and Clearwater shall make such applications to regulatory agencies, including the PBGC, IRS and DOL, as may be reasonable under the circumstances. Clearwater and Potlatch shall
cooperate fully with one another on any issue relating to the transactions contemplated by this Agreement for which Potlatch or Clearwater elects to seek a determination letter or private letter ruling from the IRS or an advisory opinion from the
DOL. 
 9.8 Fiduciary Matters. Potlatch and Clearwater each acknowledge that actions contemplated to be taken pursuant to this
Agreement may be subject to fiduciary duties or standards of conduct under ERISA or other applicable law, and no Party shall be deemed to be in violation of this Agreement if such Party fails to comply with any provisions hereof based upon such
Party’s good faith determination that to do so would violate such a fiduciary duty or standard. 
 9.9 Consent of Third Parties.
If any provision of this Agreement is dependent on the consent of any third party (such as a vendor) and such consent is withheld, Potlatch and Clearwater shall use commercially reasonable efforts to implement the applicable provisions of this
Agreement. If any provision of this Agreement cannot be implemented due to the failure of such third party to consent, Potlatch and Clearwater shall negotiate in good faith to implement the provision in a mutually satisfactory manner. 
 9.10 Tax Cooperation. In connection with the interpretation and administration of this Agreement, Potlatch and Clearwater shall take into account
the agreements and policies 

  

 32 

 
established pursuant to the Separation Agreement and the parties’ intent to qualify the Distribution as a tax-free reorganization under Code Sections
368(a)(1)(D) and 355. 
  

 33 

 ARTICLE X 
 EMPLOYMENT-RELATED MATTERS 
 10.1 Terms of Employment. All basic terms and conditions
of employment for Potlatch Employees and Clearwater Employees, in each case, who are not subject to a Labor Agreement including, without limitation, their pay and benefits in the aggregate, shall remain substantially the same as the terms and
conditions that were in place immediately prior to the Distribution Date for twelve (12) months from the Distribution Date, unless otherwise mutually agreed in writing by the Parties. Notwithstanding the foregoing or any other provision of the
Separation Agreement or this Agreement, the employees of the Potlatch Group or the Clearwater Group, in each case, who are not subject to a Labor Agreement or an employment agreement that specifically provides otherwise shall remain at-will
employees and the Potlatch Group and the Clearwater Group may terminate their respective employees at any time for any reason. 
 10.2
Non-Solicitation of Employees. Potlatch and Clearwater each agree not to directly solicit or recruit the other Party’s employees for a period of two (2) years following the Distribution Date, if such solicitation or recruitment
would be disruptive or damaging or would interfere with the operation or business of the other Party. Notwithstanding the foregoing, this prohibition on solicitation does not apply to actions taken by a Party either: (a) as a result of an
employee’s affirmative response to a general recruitment effort carried out through a public solicitation or general solicitation, or (b) as a result of an employee’s initiative. 
 10.3 Confidentiality and Proprietary Information. No provision of the Separation Agreement or this Agreement shall be deemed to release any
Potlatch Employee or Clearwater Employee for any violation of any non-competition guideline or any agreement or policy pertaining to confidential or proprietary information of any member of the Potlatch Group or Clearwater Group, or otherwise
relieve any such individual of his or her obligations under such non-competition guideline, agreement, or policy. 
 10.4 Time Off
Policies. Effective as of the Distribution Date, Potlatch shall establish the Potlatch Time Off Policies that are identical in all Material Features to the Clearwater Time Off Policies. Effective as soon as reasonably practicable after the
Distribution Date (or such other date as Potlatch and Clearwater may mutually agree in writing), (a) Clearwater shall transfer to Potlatch all data and information relating to the Clearwater Time Off Policies; and (b) Potlatch shall assume
all Liabilities attributable to Potlatch Employees under the Clearwater Time Off Policies. In the event that a Potlatch Employee or Clearwater Employee transfers his or her employment to the other Party before the Distribution Date, such transfer of
employment shall not result in a payout or constitute a termination event for purposes of the Time Off Policies, and no duplication of benefits shall occur as a result of any such transfer of employment between Potlatch and Clearwater. Furthermore,
the Liability attributable to any Clearwater Employee or Potlatch Employee who transfers employment between Potlatch and Clearwater prior to the Distribution Date shall be assumed by the employer subsequent to the transfer. 
  

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 10.5 Payroll Systems. 
 (a) Clearwater Payroll System. Effective on and after the Distribution Date, and subject to the Transition Services Agreement, Clearwater shall
perform payroll services for Potlatch. 
 (b) Income Reporting, Withholding. Commencing with service periods beginning after the
division of the payroll services, Clearwater shall perform or be responsible for performing the income reporting and withholding function under its own employer identification number for Clearwater Employees and its other service providers, and
Potlatch shall perform or be responsible for performing the income reporting and withholding function for Potlatch Employees and its other service providers. 
 (c) Delivery of, and Access to, Documents and Other Information. Potlatch and Clearwater each shall make reasonably available to the other Party all forms, documents or information, no matter in what format
stored, relating to compensation or payments made to any employee or service provider to extent reasonably necessary to facilitate an individual’s transfer to, or service or employment by, the other Party. Such information may include, but is
not limited to, information concerning employee payroll deductions, payroll adjustments, records of time worked, tax records (e.g., Forms W-2, W-4, 940 and 941), and information concerning garnishment of wages or other payments. 
 (d) Consistency of Payroll Taxes and Contributions. Potlatch and Clearwater shall individually and collectively use commercially reasonable
efforts to avoid unnecessarily duplicative federal, state or local payroll taxes, insurance or workers’ compensation contributions, or unemployment contributions arising on or after the Distribution Date. Potlatch and Clearwater shall take
consistent reporting and withholding positions with respect to any such taxes or contributions. 
 10.6 Personnel and Pay Records.
Subject to Section 12.1 of the Separation Agreement, for such period as Potlatch and Clearwater may mutually agree in writing, Potlatch and Clearwater shall make reasonably available to the other Party (including the ability to duplicate) to
the extent necessary to facilitate a transfer of employment or service to the other Party, subject to applicable laws on confidentiality and data protection, all current and historic forms, documents or information, no matter in what format stored,
relating to pre-Distribution Date personnel, medical records, and payroll information. Such forms, documents or information may include, but is not limited to: (a) information regarding an Employee’s ranking or promotions; (b) the
existence and nature of garnishment orders or other judicial or administrative actions or orders affecting an employee’s or service provider’s compensation; and (c) performance evaluations. 
 10.7 Unemployment Insurance Program. 
 (a) Coverage Through Distribution Date. All current Potlatch Employees and all current Clearwater Employees will be covered under the Clearwater Unemployment Insurance Program through the Distribution Date. Clearwater shall cooperate
with the 

  

 35 

 
unemployment insurance vendor(s) by providing information in its possession that is necessary for the development of the Potlatch Unemployment Insurance
Program. 
 (b) Coverage Post-Distribution Date. Before the Distribution Date, the Parties shall use their commercially reasonable
efforts to enable Potlatch to procure an agreement with its unemployment insurance vendor(s) with the Material Features of the Clearwater Unemployment Insurance Program. After the Distribution Date, Potlatch and Clearwater will maintain their
respective Unemployment Insurance Programs for their respective employees. 
 (c) Tax Experience Rating. Unless otherwise directed by
Potlatch, the Parties shall use their commercially reasonable efforts to enable Potlatch as well as all members of the Potlatch Group, to retain the existing experience rating on or after the Distribution Date. 
 10.8 Non-Termination of Employment. Neither the Distribution or Separation, nor the termination of the Participating Company status of Potlatch,
Clearwater or any member of the Potlatch Group or Clearwater Group shall cause any employee to be deemed to have incurred a termination of employment; and no transfer of employment between Potlatch and Clearwater before the Distribution Date
shall be deemed a termination of employment for any purpose hereunder. 
 10.9 Leave of Absence Programs and FMLA. 
 (a) Allocation of Responsibilities After Distribution Date. Subject to Section 12.1 of the Separation Agreement, effective as of the
Distribution Date: (i) each Party shall adopt (or continue to maintain) Leave of Absence Programs which are substantially identical in all Material Features to the existing Leave of Absence Programs as in effect on the Distribution Date;
(ii) each Party shall honor all terms and conditions of leaves of absence which have been granted to any Clearwater or Potlatch Employee under an existing Leave of Absence Program or FMLA before the Distribution Date, including such leaves that
are to commence after the Distribution Date; (iii) each Party shall be solely responsible for administering leaves of absence and complying with FMLA with respect to its hourly Employees; and (iv) each Party shall recognize all periods of
service of the other Party’s employees to the extent such service is recognized under the existing Leave of Absence Programs and FMLA; provided, however, that no duplication of benefits shall, to the extent permitted by law, be required by the
foregoing. 
 (b) Disclosure. Subject to Section 12.1 of the Separation Agreement, at such date as mutually agreed in writing by
the Parties, Clearwater shall provide to Potlatch copies of all records pertaining to the Clearwater Leave of Absence Programs and FMLA with respect to all Potlatch Employees to the extent such records have not been previously provided. 

10.10 Employment Litigation. Subject to the Separation Agreement, Potlatch shall have the sole responsibility for all employment-related claims
regarding Potlatch Employees, and Clearwater shall have the sole responsibility for all employment-related claims regarding Clearwater Employees, that exist, or come into existence, on or after the Distribution Date arising out of or relating to or
resulting from their employment in the Retained Business or Pulp-Based Business, respectively. 
  

 36 

 10.11 Workers’ Compensation. The ownership and administration of workers compensation
insurance shall be governed by Article VIII of the Separation Agreement. 
  

 37 

 ARTICLE XI 
 LABOR AGREEMENTS 
 The Parties agree that the Labor Agreements and the Liabilities thereunder
shall, in each case, as applicable, be retained by, or, as applicable, assumed by, and assigned to, Clearwater. 
  

 38 

 ARTICLE XII 
 GENERAL PROVISIONS 
 12.1 Relationship of Parties. Nothing in this Agreement shall be
deemed or construed by the Parties or any third party as creating the relationship of principal and agent, partnership or joint venture between the Parties, the understanding and agreement being that no provision contained herein, and no act of the
Parties, shall be deemed to create any relationship between the Parties other than the relationship set forth herein. 
 12.2
Incorporation of Separation Agreement Provisions. The following provisions of the Separation Agreement are hereby incorporated herein by reference, and unless otherwise expressly specified herein, such provisions shall apply as if fully set
forth herein (references in this Section to an “Article” shall mean Articles of the Separation Agreement, and, except as expressly set forth below, references in the material incorporated herein by reference shall be references to the
Separation Agreement): Article IX (Expenses); Article X (Indemnification); Article XI (Dispute Resolution); and Article XII (Access to Information and Services). 
 12.3 Conflict. In the event of any conflict between the provisions of this Agreement and the Separation Agreement, any other Agreement between the Parties, or any Plan, then the provisions of this Agreement
shall control. 
 12.4 Entire Agreement. This Agreement, the Separation Agreement, the Transition Services Agreement, and the
documents delivered pursuant hereto and thereto, constitute the entire agreement between the Parties with respect to the subject matter contained herein or therein, and supersede all prior agreements, negotiations, discussions, understandings,
writings and commitments between the Parties with respect to such subject matter. 
 12.5 Choice of Law and Forum. This Agreement
shall be governed by and construed and enforced in accordance with the substantive laws of the State of Delaware and the federal laws of the United States of America applicable therein, as though all acts and omissions related hereto occurred in
Delaware. 
 12.6 Amendment. This Agreement shall not be amended, modified or supplemented except by a written instrument signed by an
authorized representative of each of the Parties. 
 12.7 Waiver. Any term or provision of this Agreement may be waived, or the time
for its performance may be extended, by the Party or Parties entitled to the benefit thereof. Any such waiver shall be validly and sufficiently given for the purposes of this Agreement if, as to any Party, it is in writing signed by an authorized
representative of such Party. The failure of any Party to enforce at any time any provision of this Agreement shall not be construed to be a waiver of such provision, or in any way to affect the validity of this Agreement or any part hereof or the
right of any Party thereafter to enforce each and every such provision. No waiver of any breach of this Agreement shall be held to constitute a waiver of any other or subsequent breach. 
  

 39 

 12.8 Partial Invalidity. Wherever possible, each provision hereof shall be interpreted in such a
manner as to be effective and valid under applicable Law, but in case any one or more of the provisions contained herein shall, for any reason, be held to be invalid, illegal or unenforceable in any respect, such provision or provisions shall be
ineffective to the extent, but only to the extent, of such invalidity, illegality or unenforceability without invalidating the remainder of such provision or provisions or any other provisions hereof, unless such a construction would be
unreasonable. 
 12.9 Execution in Counterparts. This Agreement may be executed in one or more counterparts, each of which shall be
deemed an original instrument, but all of which shall be considered one and the same agreement, and shall become binding when one or more counterparts have been signed by and delivered to each of the Parties. 
 12.10 Successors and Assigns. This Agreement shall be binding upon and inure to the benefit of the Parties hereto and thereto, respectively, and
their successors and permitted assigns; provided, however, that the rights and obligations of either Party under this Agreement shall not be assignable by such Party without the prior written consent of the other Party. The successors and permitted
assigns hereunder shall include, without limitation, any permitted assignee as well as the successors in interest to such permitted assignee (whether by merger, liquidation (including successive mergers or liquidations) or otherwise). 
 12.11 No Third Party Beneficiaries. The provisions of this Agreement are solely for the benefit of the Parties and their respective Affiliates,
successors and permitted assigns and shall not confer upon any third Person any remedy, claim, liability, reimbursement or other right in excess of those existing without reference to this Agreement. No provision in this Agreement shall be construed
to create any right, or accelerate entitlement, to any compensation or benefit whatsoever on the part of any Potlatch Employee, Clearwater Employee or other future, present or former employee of Potlatch or Clearwater under any Potlatch Plan or
Clearwater Plan or otherwise. Furthermore, no provision in this Agreement is intended to, or shall, modify or amend any Potlatch Plan or Clearwater Plan. The foregoing shall not prevent the Parties entitled to enforce this Agreement from enforcing
any provision in this Agreement, but no other Person shall be entitled to enforce any provision in this Agreement on the grounds that it is an amendment to any Potlatch Plan or Clearwater Plan, unless the provision is explicitly designated as such
in this Agreement, and the Person is otherwise entitled to enforce the terms of such Potlatch Plan or Clearwater Plan. If a party who is not entitled to enforce this Agreement brings a lawsuit or other action to enforce any provision in this
Agreement as an amendment to any Potlatch Plan or Clearwater Plan and such provision is construed by a Governmental Entity to constitute an amendment of such Plan despite not being explicitly designated as such in this Agreement, that provision
shall retroactively lapse, thereby precluding it from having an amendatory effect. 
 12.12 Notices. All notices, requests, claims,
demands and other communications required or permitted hereunder shall be in writing and shall be deemed given or delivered (a) when delivered personally, (b) if transmitted by facsimile when confirmation of transmission is received,
(c) if sent by registered or certified mail, postage prepaid, return receipt requested, on the third business day after mailing, or (d) if sent by private courier when received; and shall be addressed as follows: 
  

 40 

			
	If to Potlatch, to:
	
	Potlatch Corporation
	601 W. First Avenue, Suite 1600
	Spokane, WA 99201
	Facsimile:	 	(509) 835-1561
	Attention:	 	General Counsel
	
	If to Clearwater, to:
	
	Clearwater Paper Corporation
	601 West Riverside Avenue, Suite 1100
	Spokane, WA 99201
	Facsimile:	 	[—]
	Attention:	 	General Counsel

 or to such other address as such Party may indicate by a notice delivered to the other Party. 
 12.13 Performance. Each Party shall cause to be performed, and hereby guarantees the performance of, all actions, agreements and obligations set
forth herein to be performed by any Subsidiary or Affiliate of such Party. 
 12.14 Force Majeure. No Party shall be deemed in default
of this Agreement to the extent that any delay or failure in the performance of its obligations under this Agreement results from any cause beyond its reasonable control and without its fault or negligence, including, without limitation, acts of
God, acts of civil or military authority, embargoes, epidemics, war, riots, labor strikes, work stoppages as a result of labor unrest, insurrections, fires, explosions, earthquakes, floods, unusually severe weather conditions, or unavailability of
parts, or, in the case of computer systems, any failure in electrical or air conditioning equipment. In the event of any such excused delay, the time for performance shall be extended for a period equal to the time lost by reason of the delay.

 12.15 No Public Announcement. Neither Potlatch nor Clearwater shall, without the approval of the other, make any press release or
other public announcement concerning the actions (or inactions) contemplated by this Agreement, except as and to the extent that any such Party shall be so obligated by Law or the rules of any stock exchange or quotation system, in which case the
other Party shall be advised and the Parties shall use commercially reasonable efforts to cause a mutually agreeable release or announcement to be issued; provided, however, that; the foregoing shall not preclude communications or disclosures
necessary: (a) to implement the provisions of this Agreement; (b) to comply with the accounting and SEC disclosure obligations or the rules of any stock exchange; (c) to comply with a Labor Agreement and any requisite effects
bargaining; or (d) to promote a smooth transition for the employees, including FAQs and other employee communications. 
 12.16
Termination. Notwithstanding any provisions hereof, this Agreement may be terminated and the Distribution abandoned at any time prior to the Distribution Date by and in the sole discretion of the Board of Directors of Potlatch without the
prior approval of any Person. 

  

 41 

 
In the event of such termination, this Agreement shall forthwith become void and no Party shall have any liability to any Person by reason of this Agreement.

 [signature page follows] 
  

 42 

 IN WITNESS WHEREOF, each Party has caused this Agreement to be executed by its authorized
representative as of the date first above written. 
  

			
	POTLATCH CORPORATION,
	 a Delaware corporation

		
	 By:
	 	  

	 Name:
	 	 Michael J. Covey

	
	 CLEARWATER PAPER CORPORATION,
 a Delaware corporation

		
	 By:
	 	  

	 Name:
	 	 Gordon L. Jones

  

 43Form of Retained Obligation Agreement

 EXHIBIT 10.13 
 RETAINED OBLIGATION AGREEMENT 
 Dated as of
                            , 2008 
 between 
 CLEARWATER PAPER CORPORATION 
 and 
 POTLATCH CORPORATION 

 TABLE OF CONTENTS 
  

			
	 	  	Page
	 ARTICLE I RETAINED OBLIGATION
	  	2
		
	 Section 1.01. Retained Obligation
	  	2
		
	 Section 1.02. No Amendments to Debentures
	  	2
		
	 Section 1.03. Clearwater to Seek Refinancing
	  	2
		
	 Section 1.04. Satisfaction and Discharge of Debentures
	  	3
		
	 Section 1.05. Satisfaction of Indenture Obligations
	  	3
		
	 Section 1.06. Escrow Account
	  	3
		
	 ARTICLE II REPAYMENT OBLIGATION
	  	5
		
	 Section 2.01. Notice of Inability to Pay Retained Obligation
	  	5
		
	 Section 2.02. Loans to Clearwater
	  	5
		
	 Section 2.03. Notes
	  	6
		
	 Section 2.04. Clearwater to Seek to Refinance the Note
	  	7
		
	 Section 2.05. Prepayment
	  	7
		
	 Section 2.06. Payments on Banking Days
	  	7
		
	 Section 2.07. Collateral
	  	7
		
	 ARTICLE III REPRESENTATIONS AND WARRANTIES
	  	8
		
	 Section 3.01. Organization and Good Standing
	  	8
		
	 Section 3.02. Power; Authorization; Enforceable Obligations
	  	8
		
	 Section 3.03. No Conflicts
	  	8
		
	 ARTICLE IV COVENANTS
	  	9
		
	 Section 4.01. Effectiveness of Covenants
	  	9
		
	 Section 4.02. Payment of Principal and Interest
	  	9
		
	 Section 4.03. Maintenance of Office or Agency
	  	9
		
	 Section 4.04. Corporate Existence
	  	10
		
	 Section 4.05. Limitations on Liens and Encumbrances
	  	10
		
	 Section 4.06. Limitations on Sales and Sale and Leaseback Transactions
	  	10
		
	 Section 4.07. Statement by Officers as to Default
	  	10
		
	 Section 4.08. Consolidation, Merger, Conveyance or Transfer
	  	11
		
	 ARTICLE V EVENTS OF DEFAULT; REMEDIES
	  	12
		
	 Section 5.01. Events of Default
	  	12

  

 i 

			
		
	 Section 5.02. Remedies for Events of Default
	  	13
		
	 Section 5.03. Remedies for Breach
	  	13
		
	 Section 5.04. Default Rate
	  	13
		
	 ARTICLE VI MISCELLANEOUS
	  	14
		
	 Section 6.01. No Waiver
	  	14
		
	 Section 6.02. Notices
	  	14
		
	 Section 6.03. Costs, Expenses and Attorneys’ Fees
	  	15
		
	 Section 6.04. Successors, Assignment
	  	16
		
	 Section 6.05. Entire Agreement; Amendment
	  	16
		
	 Section 6.06. No Third-Party Beneficiaries
	  	16
		
	 Section 6.07. Time
	  	16
		
	 Section 6.08. Severability of Provisions
	  	16
		
	 Section 6.09. Definitions.
	  	16
		
	 Section 6.10. Interpretation
	  	18
		
	 Section 6.11. Counterparts
	  	19
		
	 Section 6.12. Governing Law
	  	19

  

 ii 

 RETAINED OBLIGATION AGREEMENT 
 THIS RETAINED OBLIGATION AGREEMENT (this “Agreement”) is entered into as of
                            , by and between CLEARWATER PAPER CORPORATION, a Delaware
corporation formerly known as Potlatch Forest Products Corporation (“Clearwater”), and POTLATCH CORPORATION, a Delaware corporation (“Potlatch”), and shall be effective as of the Effective Time
(as defined in Section 6.09). 
 RECITALS 
 WHEREAS, on December 4, 1989 the predecessor of Potlatch Forest Holdings, Inc., a Delaware corporation and wholly-owned subsidiary of Potlatch (“PFHI”), issued $100,000,000 9-1/8% Credit
Sensitive Debentures due 2009 (the “Debentures”) pursuant to an Indenture dated as of April 1, 1986 (as supplemented by the First Supplemental Indenture dated as of February 3, 2006, the
“Indenture”) between PFHI and U.S. Bank National Association as successor trustee under the Indenture (“Indenture Trustee”); and 
 WHEREAS, on October 10, 2005, Potlatch incorporated Clearwater as a wholly-owned subsidiary in connection with a series of transactions the result
of which was, on January 1, 2006, to convert Potlatch into a Real Estate Investment Trust (as defined in Sections 856-860 of the Internal Revenue Code of 1986, as amended) and to transfer to Clearwater all of its manufacturing facilities that
produce bleached pulp products, including paperboard and tissue products, and wood products, Potlatch’s harvest and log sales and real estate sales and development businesses; and 
 WHEREAS, in connection with the aforementioned conversion of Potlatch into a Real Estate Investment Trust and transfer to Clearwater of the
aforementioned assets, Section 3.1(a) of the Contribution and Assumption Agreement, dated December 30, 2005 (the “Contribution Agreement”), between Potlatch and Clearwater, provided, “In consideration of the
contribution by Potlatch to . . . [Clearwater] as set forth in Section 2.1, . . . [Clearwater] agrees with Potlatch to assume and duly and punctually to make all payments of principal (and premium, if any) and interest on the Potlatch
Indebtedness in accordance with the terms thereof, and each of Potlatch and . . . [Clearwater] expects that . . . [Clearwater] shall make the entirety of each such payment (it being understood that the provisions of this Section 3.1 are not
intended to, and do not, affect the contractual relationship between Potlatch and the holders of the Potlatch Indebtedness)”; and 
 WHEREAS, the “Potlatch Indebtedness” assumed by Clearwater as described in the preceding recital included PFHI’s obligations under the Debentures; and 
 WHEREAS, following the execution and delivery of this Agreement, Potlatch will distribute to its stockholders all outstanding shares of common stock of
Clearwater; and 
 WHEREAS, while Potlatch and Clearwater expect Clearwater to be able to satisfy its obligations under the Contribution
Agreement with respect to the Debentures as interest and principal payments on the Debentures become due and payable, the parties desire by this Agreement to memorialize their understanding of their rights and obligations in the unlikely 

  

 1 

 
event that events in the credit markets may preclude Clearwater from obtaining funds to refinance the Debentures on commercial terms; and 
 WHEREAS, the parties desire to confirm their respective rights and obligations with respect to Section 3.1(a) of the Contribution Agreement with
respect to the Debentures (capitalized terms used herein have the respective meanings given them in Section 6.09) and to enter into other agreements as set forth herein: 
 NOW, THEREFORE, for valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereby agree as follows:

 ARTICLE I 
 RETAINED
OBLIGATION 
 Section 1.01. Retained Obligation. 
 (a) Clearwater hereby (i) confirms and restates, solely with respect to the Debentures, its obligation in Section 3.1(a) of the
Contribution Agreement, which provides, “In consideration of the contribution by Potlatch to . . . [Clearwater] as set forth in Section 2.1, . . . [Clearwater] agrees with Potlatch to assume and duly and punctually to make all payments of
principal (and premium, if any) and interest on the Potlatch Indebtedness in accordance with the terms thereof, and each of Potlatch and . . . [Clearwater] expects that . . . [Clearwater] shall make the entirety of each such payment (it being
understood that the provisions of this Section 3.1 are not intended to, and do not, affect the contractual relationship between Potlatch and the holders of the Potlatch Indebtedness)” and (ii) acknowledges that the Debentures are
included in the “Potlatch Indebtedness” referred to in such Section 3.1(a). For the avoidance of doubt, Clearwater’s obligations under this Agreement shall not include any obligations or liabilities that constituted
“Potlatch Indebtedness” under the Contribution Agreement other than those of PFHI under the Debentures, but shall include the obligation to make accelerated payments of amounts due with respect to the Debentures to the extent such
accelerated payments are required for any reason under the Indenture. 
 (b) Clearwater’s obligation under
Section 1.01(a) to pay interest under the Debentures shall include any additional interest that may become due and payable thereunder after the date of this Agreement as a result of any change in the debt rating, after the date of this
Agreement, on the Debentures by S&P or Moody’s as provided in the Debentures. 
 Section 1.02. No Amendments to Debentures.
Without Clearwater’s prior written consent, Potlatch shall not, and shall cause PFHI not to, amend or agree to amend any term or condition of the Debentures. 
 Section 1.03. Clearwater to Seek Refinancing. Clearwater shall use commercially reasonable efforts to issue, as soon as reasonably practical, debt or equity securities or borrow money from one or more financial
institutions or other lenders, in each case, on terms and 
  

 2 

 
conditions reasonably acceptable to Clearwater, in an aggregate amount sufficient to satisfy and discharge the Indenture with respect to the Debentures as
described in Section 1.04. Notwithstanding the foregoing, Clearwater shall not be required to borrow moneys under the Loan and Security Agreement dated [            ], 2008 (as
the same may be amended, amended and restated or replaced from time to time, the “Revolving Loan Agreement”) among Clearwater, the financial institutions party thereto as lenders, and Bank of America, N.A., as agent, to
satisfy the obligation set forth in the preceding sentence. Clearwater shall, from time to time, upon request by Potlatch, advise Potlatch of its efforts to issue the securities or to borrow the moneys described in this Section 1.03.

 Section 1.04. Satisfaction and Discharge of Debentures. 
 (a) Concurrently with its receipt of Net Cash Proceeds from any Equity Issuance, Debt Incurrence or Disposition on or before
December 1, 2009, where the amount of such Net Cash Proceeds is sufficient to satisfy and discharge the Indenture with respect to the Debentures pursuant to Section 401(1)(B)(iii) of the Indenture, Clearwater shall deposit in trust with
the Indenture Trustee the money or U.S. Government Obligations (or a combination thereof) necessary to so satisfy and discharge the Indenture with respect to the Debentures (the sufficiency of such deposit amount to be confirmed by a nationally
recognized firm of independent certified public accountants designated by Potlatch), provided, however, that Clearwater may reduce in whole or in part the amount required to be so deposited by concurrently delivering to the Indenture Trustee on
behalf of PFHI for cancellation pursuant to Sections 309 and 401(1)(A) of the Indenture, Debentures acquired by Clearwater. 
 (b) At any time before December 1, 2009 Clearwater may deposit in trust with the Indenture Trustee money or U.S. Government Obligations (or a combination thereof) necessary to so satisfy and discharge the Indenture with respect to the
Debentures (the sufficiency of such deposit amount to be confirmed by a nationally recognized firm of independent certified public accountants designated by Potlatch), provided, however, that Clearwater may reduce in whole or in part such amount by
concurrently delivering to the Indenture Trustee on behalf of PFHI for cancellation pursuant to Sections 309 and 401(1)(A) of the Indenture, Debentures acquired by Clearwater. 
 Section 1.05. Satisfaction of Indenture Obligations. In connection with the actions taken by Clearwater pursuant to Section 1.01(a) or 1.04
or otherwise to satisfy and discharge the Indenture with respect to the Debentures, Clearwater shall, at its cost and expense, cooperate with PFHI in connection with PFHI’s preparation, execution and delivery of the “Company Request”,
the “Officers’ Certificate” and the “Opinion of Counsel” (each, as defined in the Indenture) which are required to be delivered by PFHI to the Indenture Trustee pursuant to Section 401 of the Indenture in order to
satisfy and discharge the Indenture with respect to the Debentures. 
  

 3 

 Section 1.06. Escrow Account. 
 (a) If Clearwater shall arrange for any Equity Issuance, Debt Incurrence or Disposition before December 1, 2009 and such Net Cash
Proceeds are expected or should reasonably be expected to be insufficient to satisfy and discharge the Indenture with respect to the Debentures as contemplated by Section 1.04, then: 
 (i) Clearwater shall notify Potlatch no less than 10 Business Days before the consummation of such Equity Issuance, Debt Incurrence or
Disposition that Clearwater expects to complete such transaction but does not expect that the Net Cash Proceeds therefrom will be sufficient to satisfy and discharge the Indenture as contemplated in Section 1.04; and 
 (ii) As soon as reasonably practicable, but in no event later than two Business Days before the date on which such Equity Issuance, Debt
Incurrence or Disposition shall be consummated, Clearwater shall enter into an escrow agreement (the “Escrow Agreement”) with a bank (the “Escrow Agent”) designated by Potlatch and reasonably
acceptable to Clearwater, that shall provide that (A) Clearwater and Potlatch shall appoint such bank as their escrow agent for purposes of such escrow agreement, (B) Clearwater shall establish an escrow account (the “Escrow
Account”) with such bank solely for the purpose of holding the Net Cash Proceeds from such Equity Issuance, Debt Incurrence or Disposition as provided in the escrow agreement, (C) Potlatch shall have a first priority security
interest in the Escrow Account and the funds therein (and in connection therewith, the Escrow Agent shall agree in the Escrow Agreement that Potlatch shall have “control” over the Escrow Account for purposes of perfecting such security
interest), (D) the Escrow Agent will enter into a control agreement that will perfect Potlatch’s security interest in the Escrow Account and the funds therein, in form and substance reasonably satisfactory to Potlatch, (E) Clearwater
will deposit the entire Net Cash Proceeds of such Equity Issuance, Debt Incurrence or Disposition into the Escrow Account, (F) the Escrow Agent will invest the funds deposited in the escrow account as directed by Clearwater, subject to
investment guidelines previously agreed with Potlatch, (G) all Net Cash Proceeds and the earnings thereon will be disbursed to the Indenture Trustee on December 1, 2009 towards satisfaction and discharge of the Indenture with respect to
the Debentures pursuant to Section 401(1)(B)(i) of the Indenture, (H) Clearwater shall pay all fees, expenses and other charges of the Escrow Agent, (I) all funds and earnings on the funds in the Escrow Account shall be the property
of Clearwater, subject to the security interest in favor of Potlatch, and (J) Clearwater shall indemnify the Escrow Agent for all matters for which indemnification is agreed under such Escrow Agreement. 
 (b) Concurrently with its receipt of Net Cash Proceeds from any Equity Issuance, Debt Incurrence or Disposition before December 1,
2009 as described in Section 1.06(a), Clearwater shall: 
 (i) deposit the same in the Escrow Account; and 

 

 4 

 (ii) notify Potlatch that such deposit has been made and the amount thereof. 

(c) If the Escrow Account is established pursuant to this Section 1.06, Clearwater shall timely deliver to the Escrow Agent all
necessary wire transfer instructions and account information the Escrow Agent shall require for it to ensure that the Indenture Trustee will receive and accept the funds transferred from the Escrow Account to the Indenture Trustee on
December 1, 2009. 
 ARTICLE II 
 REPAYMENT OBLIGATION 
 Section 2.01. Notice of Inability to Pay Retained Obligation.

 (a) Upon request from Potlatch, Clearwater shall advise Potlatch from time to time whether it has or reasonably expects
to have the ability to pay the interest payment due on the Debentures on June 1, 2009. In any event, if Clearwater anticipates or should reasonably anticipate that it will be unable to make such interest payment, it will notify Potlatch no
later than six Business Days before that date that it will be unable to make such payment. 
 (b) Upon request from Potlatch,
Clearwater shall advise Potlatch from time to time whether it has or reasonably expects to have the ability to pay the principal and interest payment due on the Debentures on December 1, 2009. In any event, if Clearwater anticipates or should
reasonably anticipate that it will be unable to make such principal and interest payment, it will notify Potlatch no later than six Business Days before that date that it will be unable to make such payment. 
 Section 2.02. Loans to Clearwater. 
 (a) In the event the maturity of the Debentures shall be accelerated for any reason (an “Acceleration Event”) and Clearwater does not pay in full all outstanding principal and interest due and
payable under the Debentures, and Potlatch or any subsidiary of Potlatch (a “Lender”) pays any outstanding principal and interest thereon, Clearwater shall be deemed to have received a loan from Lender in such amount; and
Clearwater shall repay such loan, and otherwise reimburse Lender in full for such amount, together with all accrued interest thereon, no later than December 1, 2011. 
 (b) If Clearwater does not pay any interest on the Debentures when the same shall be due and payable on June 1, 2009, and Lender pays
such interest, Clearwater shall be deemed to have received a loan from Lender in such amount; and Clearwater shall repay such loan, and otherwise reimburse Lender in full for such amount, together with all accrued interest thereon, no later than
December 1, 2011. 
 (c) If Clearwater does not pay any principal or interest under the Debentures when the same shall be
due and payable on December 1, 2009, and 

  

 5 

 
Lender pays such principal or interest, Clearwater shall be deemed to have received a loan from Lender in such amount; and Clearwater shall repay such loan
and otherwise shall reimburse Lender in full for all such amount, together with all accrued interest thereon, no later than December 1, 2011. 
 (d) Interest shall accrue on the obligation: 
 (i) under Section 2.02(a), at a rate per
annum equal to: (A) the rate of interest applicable to the Debentures immediately prior to the Acceleration Event from the date on which the loan is deemed to be made thereunder until December 1, 2009; (B) the rate of interest
applicable to the Debentures immediately prior to the Acceleration Event plus one percent (1%) from December 1, 2009 until December 1, 2010; and (C) the rate of interest applicable to the Debentures immediately prior to the
Acceleration Event plus two percent (2%) from December 1, 2010 until the obligations to the Lender under this Section 2.02 shall have been paid in full; 
 (ii) under Section 2.02(b) from June 1, 2009 until December 1, 2009 at a rate per annum equal to the rate of interest
applicable to the Debentures on June 1, 2009, plus one percent (1%); 
 (iii) under Section 2.02(c) at a rate per
annum equal to (A) the rate of interest applicable to the Debentures immediately prior to their maturity plus one percent (1%) from December 1, 2009 until December 1, 2010 and (B) the rate of interest applicable to the
Debentures immediately prior to their maturity plus two percent (2%) from December 1, 2010 until the obligations to the Lender under this Section 2.02 shall have been paid in full. 
 (e) Interest shall be calculated on the basis of 360 days in a year and the number of days actually lapsed. Clearwater shall pay all
accrued interest on the obligations in this Section 2.02 on each June 1 and December 1 and on any day on which it prepays, in part or whole, such obligations. 
 Section 2.03. Notes. 
 (a) If Clearwater receives a loan pursuant to Section 2.02(a), Clearwater shall, on the date of such loan, execute and deliver to Lender a promissory note, substantially in the form of Exhibit A hereto (“Note”).
Prior to Clearwater’s execution and delivery thereof, Lender shall complete such Note by inserting the date, the principal amount thereof and the rate of interest determined pursuant to Section 2.02(d). 
 (b) If Clearwater receives a loan pursuant to Section 2.02(b), Clearwater shall, on or before June 1, 2009, execute and deliver
to Lender a Note. Prior to Clearwater’s execution and delivery thereof, Lender shall complete such Note by inserting the date, the principal amount thereof and the rate of interest determined pursuant to Section 2.02(d). 
  

 6 

 (c) If Clearwater receives a loan pursuant to Section 2.02(c), Clearwater shall, on
or before December 1, 2009, execute and deliver to Lender a Note, and, if a loan was received pursuant to Section 2.02(b), the outstanding principal amount of that loan and any accrued and unpaid interest thereon. Prior to
Clearwater’s execution and delivery thereof, Lender shall complete such Note by inserting the date, the principal amount thereof and the rate of interest determined pursuant to Section 2.02(d). 
 (d) If Lender has received a Note for the loan made pursuant to Section 2.02(b) and another Note pursuant to Section 2.02(c),
Lender shall cancel the Note for the loan made pursuant to Section 2.02(b) and deliver the same to Clearwater (after adding the principal amount of and accrued interest on that Note to the Note delivered pursuant to Section 2.02(c)).

 Section 2.04. Clearwater to Seek to Refinance the Note. If Clearwater shall become obligated to Lender under Section 2.02(a)
or (c), Clearwater shall use commercially reasonable efforts to issue, as soon as reasonably practical, debt or equity securities or borrow money from one or more financial institutions or other lenders, in each case, on terms and conditions
reasonably acceptable to Clearwater, in an aggregate amount sufficient to prepay the Note and all interest accrued thereon. Clearwater shall, from time to time, upon request by Potlatch, advise Potlatch of its efforts to issue the securities or to
borrow the moneys described in this Section 2.04. Notwithstanding the foregoing, Clearwater shall not be required to borrow moneys under the Revolving Loan Agreement. 
 Section 2.05. Prepayment. 
 (a) Concurrently with its receipt of Net Cash Proceeds from any Equity Issuance, Debt Incurrence or Disposition after December 1, 2009, whether or not such Net Cash Proceeds are sufficient to prepay in full such obligation, Clearwater
shall prepay, in whole or part, the outstanding principal amount of, and accrued interest on, the obligations in Section 2.02, to the extent of such Net Cash Proceeds. 
 (b) Any prepayment made pursuant to Section 2.05(a) shall be applied first to the payment of interest and then to principal.

 (c) Clearwater shall notify Potlatch at least 10 Business Days in advance of any prepayment it will make pursuant to
Section 2.05(a). 
 Section 2.06. Payments on Banking Days. If any payment of principal or interest shall be due and payable on a
Note, in the absence of this Section, on any day that is not a Business Day, such payment shall be due and payable on the next Business Day. 
 Section 2.07. Collateral. As security for all obligations of Clearwater under the Note and the other obligations under this Agreement after such Note has been or was required to have been issued, concurrently with its execution and
delivery of this Agreement, Clearwater shall execute and deliver a mortgage, in form and substance reasonably satisfactory to Lender (the “Mortgage”), pursuant to which it mortgages and grants a first priority lien and
security interest in all of its fee title and leasehold real property interests, fixtures, equipment and goods, other 
  

 7 

 
than inventory and accounts receivable, in its facility located at Cypress Bend, Arkansas, subject to exceptions acceptable to Lender, and books and records
which contain information about, and the proceeds of, the foregoing collateral. Lender may record the Mortgage and file such other documents and instruments to perfect its security interest in the collateral described in the Mortgage as Lender shall
deem appropriate, but in any event on or after the date a Note is required to have been issued by Clearwater pursuant to Section 2.03; provided, however, that Lender shall not record and perfect the Mortgage with respect to a Note issued
pursuant to Section 2.03(a) at any time before December 1, 2009 unless Clearwater caused the Acceleration Event resulting in the issuance of such Note. 
 ARTICLE III 
 REPRESENTATIONS AND WARRANTIES 
 Clearwater represents and warrants to Potlatch that: 
 Section 3.01. Organization and Good Standing. Clearwater (a) is duly incorporated, validly existing and is in good standing under the laws of the State of Delaware, (b) has the corporate or other necessary power and
authority, and the legal right, to own and operate its property, to lease the property it operates as lessee and to conduct the business in which it is currently engaged and (c) is duly qualified as a foreign entity and in good standing under
the laws of each jurisdiction where its ownership, lease or operation of property or the conduct of its business requires such qualification, other than in such jurisdictions where the failure to be so qualified and in good standing would not
reasonably be expected to have a material adverse effect on it or its business. 
 Section 3.02. Power; Authorization; Enforceable
Obligations. Clearwater has the corporate power and authority, and the legal right, to make, deliver and perform the Transaction Documents, and has taken all necessary corporate or other necessary action to authorize the transactions on the
terms and conditions of this Agreement and to authorize the execution, delivery and performance of the Transaction Documents. Other than any consents that may be required under the Transaction Documents or under Potlatch’s revolving credit
facility or under the Revolving Loan Agreement, no consent or authorization of, filing with, notice to or other similar act by or in respect of, any governmental authority or any other Person is required to be obtained or made by or on behalf of
Clearwater in connection with the transactions hereunder or with the execution, delivery, performance, validity or enforceability of the Transaction Documents. This Agreement has been, and each other Transaction Document will be, duly executed and
delivered on behalf of Clearwater. This Agreement constitutes, and each other Transaction Document when executed and delivered will constitute, a legal, valid and binding obligation of Clearwater enforceable against it in accordance with its terms,
except as enforceability may be limited by applicable bankruptcy, insolvency, reorganization, moratorium or similar laws affecting the enforcement of creditors’ rights generally and by general equitable principles (whether enforcement is sought
by proceedings in equity or at law). 
 Section 3.03. No Conflicts. Neither the execution and delivery of the Transaction Documents,
nor the consummation of the transactions contemplated therein, nor performance of and compliance with the terms and provisions thereof by Clearwater will (a) violate or conflict 
  

 8 

 
with any provision of its articles or certificate of incorporation or bylaws or other organizational or governing documents of Clearwater, (b) violate,
contravene or materially conflict with any law or any other law, regulation, order, writ, judgment, injunction, decree or permit applicable to it, (c) violate, contravene or conflict with contractual provisions of, or cause an event of default
under, any material indenture, loan agreement, mortgage, deed of trust, contract or other agreement or instrument to which it is a party or by which it may be bound or (d) result in or require the creation of any Lien upon or with respect to
its properties, except pursuant to this Agreement. 
 ARTICLE IV 
 COVENANTS 
 Section 4.01. Effectiveness of Covenants. The covenants in
Sections 4.05 and 4.06(b) shall be effective upon the execution and delivery of this Agreement and shall continue in full force and effect until all obligations under Sections 1.01 and 2.02 have been satisfied and discharged, paid in full in
accordance with their terms, or otherwise terminated. The other covenants in this Article IV shall be effective upon Clearwater’s becoming obligated to issue a Note pursuant to Section 2.03 and shall continue until all obligations under
Section 2.02 and the Note have been satisfied and discharged or paid in full in accordance with their terms, or otherwise terminated. 
 Section 4.02. Payment of Principal and Interest. Clearwater covenants and agrees for the benefit of Lender that it will duly and punctually pay the principal of and interest on the obligations in Sections 2.02, 2.03 and 2.05.

 Section 4.03. Maintenance of Office or Agency. 
 (a) Clearwater will maintain an office or agency where the Note may be presented or surrendered for payment, and where notices and demands
to or upon Clearwater in respect of the Note and this Agreement may be served. Clearwater will give prompt written notice to Lender of the location, and any change in the location, of such office or agency. If at any time Clearwater shall fail to
maintain any such required office or agency or shall fail to furnish Lender with the address thereof, such presentations, surrenders, notices and demands may be made or served at the offices of Lender, and Clearwater hereby appoints Lender as its
agent to receive all such presentations, surrenders, notices and demands. 
 (b) Clearwater may also from time to time designate one or more other offices or agencies. where the Note may be presented or surrendered
for any or all such purposes and may from time to time rescind such designations; provided, however, that no such designation or rescission shall in any manner relieve Clearwater of its obligation to maintain an office or agency for such
purposes. Clearwater will give prompt written notice to Lender of any such designation or rescission and of any change in the location of any such other office or agency. 
  

 9 

 Section 4.04. Corporate Existence. Subject
to Section 4.08, Clearwater will do or cause to be done all things necessary to preserve and keep in full force and effect its corporate existence, rights (charter and statutory) and franchises; provided, however, that Clearwater shall
not be required to preserve any such. right or franchise if its board of directors shall determine that the preservation thereof is no longer
desirable in the conduct of the business of Clearwater and that the loss thereof is not disadvantageous in any material respect to Lender. 
 Section 4.05. Limitations on Liens and Encumbrances. So long as there is outstanding any obligation under Section 1.01(a) or 2.02 or the Note, Clearwater will not itself, nor will it permit any Subsidiary to, create, assume or
incur any Lien on any of its assets, tangible or intangible, except for “Permitted Liens” (as defined in the Revolving Loan Agreement). 
 Section 4.06. Limitations on Sales and Sale and Leaseback Transactions. 
 (a) Clearwater will not, and will
not permit any Subsidiary to, directly or indirectly, sell or transfer (other than to Clearwater or a Subsidiary) any assets the aggregate value of which exceeds $10,000,000 (other than such an asset sold or transferred to an industrial development
corporation or governmental instrumentality in connection with a revenue or pollution control financing) now owned or hereafter acquired with the intention that Clearwater or any Subsidiary shall take back a lease thereof (other than a lease for a
term of not more than three years or any lease entered into solely for tax purposes) unless (a) the proceeds of such sale shall at least be equal to the fair value (as determined in good faith by Clearwater) of such assets, and, subject to
Section 2.05, (b) an amount equal to the cash portion of the net proceeds of such sale shall be applied within 180 days either before or after the effective date of any such transaction (i) to the retirement of the Note or
(ii) to the purchase of property, facilities or equipment (other than the property, facilities or equipment involved in such sale) having a value at least equal to the cash portion of the net proceeds of such sale. Notwithstanding the
foregoing, the Net Cash Proceeds of any Disposition shall be applied as set forth in Section 2.05. 
 (b) Clearwater will
not, and will not permit any Subsidiary to, directly or indirectly, sell or transfer (other than to Clearwater or a Subsidiary) any assets described in Section 2.07 as the potential collateral or collateral for Clearwater’s obligations
under the Note, the aggregate value of which exceeds $10,000,000, without the prior written consent of Potlatch. 
 Section 4.07.
Statement by Officers as to Default. Clearwater will deliver to Lender, within 120 days after each December 31 following the date hereof, a written statement signed by the Chairman of its board of directors, a Vice Chairman, the President
or a Vice President and by the Chief Financial Officer, Treasurer, an Assistant Treasurer, the Controller or an Assistant Controller of Clearwater stating, as to each signer thereof, that 
 (a) a review of the activities of Clearwater during such year and of performance under this Agreement has been made under his or her
supervision, and 
  

 10 

 (b) to the best of his or her knowledge, based on such review, Clearwater has fulfilled
all its obligations under this Agreement through-out such year, or, if there has been a default in the fulfillment of any such obligation, specifying each such default known to him or her and the nature and status thereof. 
 Section 4.08. Consolidation, Merger, Conveyance or Transfer. 
 (a) Clearwater shall not consolidate with or merge into any other Person or convey or transfer its properties and assets substantially as
an entirety to any Person, unless: 
 (i) the Person formed by such consolidation or into which Clearwater is merged or the
Person which acquires by conveyance or transfer the properties and assets of Clearwater substantially as an entirety shall be a Person organized and existing under the laws of the United States of America, any State thereof or the District of
Columbia and shall expressly assume, by an agreement in form and substance satisfactory to Lender, executed and delivered to Lender, the due and punctual payment of the principal of and interest on the Note and the performance of every covenant of
this Agreement on the part of Clearwater to be performed or observed; 
 (ii) immediately after giving effect to such
transaction, no Event of Default and no event which, after notice or lapse of time or both, would become an Event of Default, shall have occurred and be continuing; and 
 (iii) Clearwater has delivered to Lender an officers’ certificate and an opinion of counsel, each in form and substance satisfactory
to Lender stating that such consolidation, merger, conveyance or transfer and such assumption agreement comply with this Section 4.08 and that all conditions precedent herein provided for relating to such transaction have been met. 

(b) Upon any consolidation or merger or any conveyance or transfer of the properties and assets of Clearwater substantially as an
entirety in accordance with Section 4.08(a), the successor Person formed by such consolidation or into which Clearwater is merged or to which such conveyance or transfer is made shall succeed to, and be substituted for, and may exercise every
right and power of, Clearwater under this Agreement with the same effect as if such successor Person had been named as Clearwater herein; provided, however, that no such conveyance or transfer shall have the effect of releasing the Person
named as “Clearwater” in the first paragraph of this Agreement or any successor Person which shall theretofore have become such in the manner prescribed in this Section from its liability as obligor and maker on the Note. 
 (c) Clearwater shall not lease its properties and assets substantially as an entirety to any Person. 
  

 11 

 ARTICLE V 
 EVENTS OF DEFAULT; REMEDIES 
 Section 5.01. Events of Default. 
 “Event of Default”, wherever used herein with respect to the Transaction Documents, means any one of the following events
(whatever the reason for such Event of Default and whether it shall be voluntary or involuntary or be effected by operation of law or pursuant to any judgment, decree or order of any court or any order, rule or regulation of any administrative or
governmental body) shall occur during the period while any obligation under Section 2.02 or a Note shall be outstanding: 
 (a) default in the payment of any interest upon a Note when it becomes due and payable, and continuance of such default for a period of 10 days; 
 (b) default in the payment of the principal of a Note when payment or prepayment is due and payable; 
 (c) default in the performance, or breach, of any covenant or warranty of Clearwater in this Agreement, and continuance of such default or breach for a period of 30 days after there has been given, pursuant to Section 6.02, to
Clearwater by Lender a written notice specifying such default or breach and requiring it to be remedied and stating that such notice is a “Notice of Default” hereunder; 
 (d) a default under any bond, debenture, note or other evidence of Indebtedness for money borrowed in excess of $10,000,000 by Clearwater
or under any mortgage, indenture or instrument under which there may be issued or by which there may be secured or evidenced any Indebtedness for money borrowed in excess of $10,000,000 by Clearwater (including this Agreement), whether such
Indebtedness now exists or shall hereafter be created, which default (i) shall consist of a failure to pay such Indebtedness at final maturity and after the expiration of any applicable grace period or (ii) shall have resulted in such
Indebtedness becoming or being declared due and payable prior to the date on which it would otherwise have become due and payable, without such acceleration having been rescinded or annulled or such Indebtedness having been discharged; 

(e) the entry by a court having jurisdiction in the premises of (A) a decree or order for relief in respect of Clearwater in an
involuntary case or proceeding under any applicable Federal or State bankruptcy, insolvency, reorganization or other similar law or (B) a decree or order adjudging Clearwater a bankrupt or insolvent, or approving as properly filed a petition
seeking reorganization, arrangement, adjustment or composition of or in respect of Clearwater under any applicable Federal or State law, or appointing a custodian, receiver, liquidator, assignee, trustee, sequestrator or other similar official of
Clearwater or of any substantial part of its property, or ordering the winding up or liquidation of its affairs, and the continuance 

  

 12 

 
of any such decree or order for relief or any such other decree or order unstayed and in effect for a period of 60 consecutive days; or 
 (f) the commencement by Clearwater of a voluntary case or proceeding under any applicable Federal or State bankruptcy, insolvency,
reorganization or other similar law or of any other case or proceeding to be adjudicated a bankrupt or insolvent, or the consent by it to the entry of a decree or order for relief in respect of Clearwater in an involuntary case or proceeding under
any applicable Federal or State bankruptcy, insolvency, reorganization or other similar law or to the commencement of any bankruptcy or insolvency case or proceeding against it, or the filing by it of a petition or answer or consent seeking
reorganization or relief under any applicable Federal or State law, or the consent by it to the filing of such petition or to the appointment of or taking possession by a custodian, receiver, liquidator, assignee, trustee, sequestrator or similar
official of Clearwater or of any substantial part of its property, or the making by it of an assignment for the benefit of creditors, or the admission by it in writing of its inability to pay its debts generally as they become due, or the taking of
corporate action by Clearwater in furtherance of any such action. 
 Section 5.02. Remedies for Events of Default. Upon the occurrence
of any Event of Default, Lender shall have all rights, powers and remedies available under each of the Transaction Documents, or accorded by law, including without limitation the right to resort to any or all security for any credit subject hereto
and to exercise any or all of the rights of a beneficiary or secured party pursuant to applicable law. All rights, powers and remedies of Lender may be exercised at any time by Lender and from time to time after the occurrence of an Event of
Default, are cumulative and not exclusive, and shall be in addition to any other rights, powers or remedies provided by law or equity. 
 Section 5.03. Remedies for Breach. Without limiting the generality of Section 5.02, Potlatch and Lender shall each have all rights and remedies available under applicable law for any breach of this Agreement or any Transaction
Document even though such breach shall not constitute an Event of Default; provided, however, that notwithstanding anything to the contrary contained herein, in the event an Acceleration Event occurs other than as a result of Clearwater’s
failure to pay interest under the Debentures when the same is due and payable thereunder and Lender does not make a loan to Clearwater pursuant to Section 2.02, Clearwater shall not be deemed to be in breach of its obligations under
Section 1.01 unless and until Clearwater does not pay the interest on the Debentures when the same would have become due and payable on June 1, 2009 absent such Acceleration Event or Clearwater does not pay the interest or principal on the
Debentures when the same would have become due and payable on December 1, 2009 absent such Acceleration Event. Clearwater and Potlatch agree that where money damages would be an inadequate remedy for a breach, and they agree that money damages
would not be an adequate remedy for a breach of Section 4.05, Potlatch shall be entitled to specific performance. 
 Section 5.04.
Default Rate. Clearwater shall pay Lender interest on any amount of principal or interest not paid when due under the Note issued pursuant to Section 2.03(b) at the rate at which interest shall then accrue thereunder plus two percent
(2%) per annum. 
  

 13 

 ARTICLE VI 
 MISCELLANEOUS 
 Section 6.01. No Waiver. No delay, failure or discontinuance of Potlatch or
Lender in exercising any right, power or remedy under any of the Transaction Documents shall affect or operate as a waiver of such right, power or remedy; nor shall any single or partial exercise of any such right, power or remedy preclude, waive or
otherwise affect any other or further exercise thereof or the exercise of any other right, power or remedy. Any waiver, permit, consent or approval of any kind by Potlatch or Lender of any breach of or default under any of the Transaction Documents
must be in writing and shall be effective only to the extent set forth in such writing. 
 Section 6.02. Notices. All notices,
requests and demands which any party is required or may desire to give to any other party under any provision of this Agreement must be in writing delivered to each party at the following address: 
  

			
	to Clearwater:	  	Clearwater Paper Corporation
		  	 Suite 1100
 601 West Riverside Avenue
 Spokane, WA 99201
 Attention: Linda K. Massman, Vice President Finance and
Chief Financial Officer
 Facsimile no.:
 Email address:
Linda.Massman@clearwater.com

		
		  	With a copy to:
		
		  	 Clearwater Paper Corporation
 Suite
[            ]
 601 West Riverside Avenue
 Spokane, WA 99201
 Attention: Michael Gadd, Vice President and General Counsel

 Facsimile no.:
 Email address:
Michael.Gadd@clearwater.com

		
		  	With a copy to:
		
		  	 Pillsbury Winthrop Shaw Pittman LLP
 50 Fremont Street

 San Francisco, CA 94105-2228
 Attention: Blair White,
Esq.
 Facsimile no.: (415) 983-1200
 Email address:
blair.white@pillsburylaw.com

  

 14 

			
	to Potlatch:	  	Potlatch Corporation
		  	 Suite 1600
 601 West First Avenue
 Spokane, WA 99201
 Attention: Eric J. Cremers, Vice President Finance and
Chief Financial Officer
 Facsimile no.:
 Email address:
Eric.Cremers@potlatchcorp.com

		
		  	With a copy to:
		
		  	 Potlatch Corporation
 Suite 1600
 601 West First Avenue
 Spokane, WA 99201
 Attention: Pamela Mull, Vice President and General Counsel Facsimile no.: 509-835-1561
 Email address: Pamela.Mull@potlatchcorp.com

		
		  	With a copy to:
		
		  	 Pillsbury Winthrop Shaw Pittman LLP
 50 Fremont Street

 San Francisco, CA 94105-2228
 Attention: Blair White,
Esq.
 Facsimile no.: (415) 983-1200
 Email address:
blair.white@pillsburylaw.com

 or to such other address as any party may designate by written notice to all other parties. Each such notice,
request and demand shall be deemed given or made as follows: (a) if sent by hand delivery, upon delivery; (b) if sent by mail, upon the earlier of the date of receipt or three days after deposit in the U.S. mail, first-class and postage
prepaid; (c) if sent by facsimile, upon receipt; and (d) if sent by electronic mail upon the sender’s receipt of an acknowledgement from the intended recipient (such as by the “return receipt requested” function, as
available, return e-mail or other written acknowledgement); provided that if such notice or other communication is not received during the normal business hours of the recipient, such notice or communication shall be deemed to have been
received at the opening of business on the next local business day for the recipient. With respect to any notice, a “local business day” is a day on which the recipient of such notice is open for business. 
 Section 6.03. Costs, Expenses and Attorneys’ Fees. Clearwater shall pay to Potlatch or Lender immediately upon demand the full amount of all
payments, advances, charges, costs and expenses, including reasonable attorneys’ fees, expended or incurred by Potlatch or Lender in connection with the enforcement of its rights or the collection of any amounts which become due to Potlatch or
Lender under any of the Transaction Documents. 
  

 15 

 Section 6.04. Successors, Assignment. This Agreement shall be binding upon and inure to the
benefit of the administrators, legal representatives, successors and assigns of the parties; provided however, that Clearwater may not assign or transfer its interests or rights hereunder without Potlatch’s prior written consent. 
 Section 6.05. Entire Agreement; Amendment. This Agreement and the other Transaction Documents constitute the entire agreement between Clearwater
and Potlatch with respect to subject hereto and supersede all prior negotiations, communications, discussions and correspondence concerning the subject matter hereof. This Agreement may be amended or modified only in writing signed by each party
hereto. 
 Section 6.06. No Third-Party Beneficiaries. This Agreement is made and entered into for the sole protection and benefit of
the parties hereto and their respective permitted successors and assigns, and no other person or entity shall be a third-party beneficiary of, or have any direct or indirect cause of action or claim in connection with, this Agreement or any other of
the Transaction Documents to which it is not a party. 
 Section 6.07. Time. Time is of the essence of each and every provision of
this Agreement and each other of the Transaction Documents. 
 Section 6.08. Severability of Provisions. If any provision of this
Agreement shall be prohibited by or invalid under applicable law, such provision shall be ineffective only to the extent of such prohibition or invalidity without invalidating the remainder of such provision or any remaining provisions of this
Agreement. 
 Section 6.09. Definitions. 
 (a) “Acceleration Event” has the meaning given it in Section 2.02(a). 
 (b) “Business Day” means a day other than a Saturday, Sunday or other day on which banks in Spokane, Washington and New York, New York are authorized or required to be closed for business. 
 (c) “Cash Equivalents” means, as at any date, (a) securities issued or directly and fully guaranteed or
insured by the United States or any agency or instrumentality thereof, (b) dollar denominated time deposits and certificates of deposit of any bank, (c) commercial paper and variable or fixed rate notes issued by any Person,
(d) repurchase agreements entered into by any Person with a bank or trust company and (e) investments in money market investment programs registered under the Investment Company Act of 1940, as amended. 
 (d) “Clearwater” has the meaning given it in the Introduction. 
 (e) “Code” means the Internal Revenue Code of 1986, as amended. 
 (f) “Contribution Agreement” has the meaning given it in the third recital. 
  

 16 

 (g) “Debentures” has the meaning given it in the first recital.

 (h) “Debt Incurrence” means the issuance by Clearwater of (a) any Indebtedness of Clearwater
for borrowed money, or (b) any Indebtedness of Clearwater evidenced by bonds, debentures, notes or similar instruments. 
 (i) “Disposition” means, as to any asset or right of Clearwater, (a) any sale, lease, assignment or other transfer not in the ordinary course of business, (b) any loss, destruction or damage thereof or
(c) any condemnation, confiscation, requisition, seizure or taking thereof, in each case excluding Dispositions the Net Cash Proceeds of which do not in the aggregate equal or exceed $50,000,000. 
 (j) “Effective Time” means 12:01 A.M. Eastern Standard Time on the “Distribution Date” (as defined in
the Separation and Distribution Agreement dated [            ], 2008 between Potlatch and Clearwater). 
 (k) “Equity Issuance” means any issuance by Clearwater to any Person of (a) shares of its Capital Stock,
(b) any shares of its capital stock pursuant to the exercise of options or warrants, (c) any shares of its capital stock pursuant to the conversion of any debt securities to equity or (d) any options or warrants relating to its
capital stock. The term “Equity Issuance” shall not be deemed to include issuances pursuant to current or future employee plans of Clearwater. 
 (l) “Escrow Account” has the meaning given it in Section 1.06(a)(ii). 
 (m) “Escrow Agent” has the meaning given it in Section 1.06(a)(ii). 
 (n) “Escrow Agreement” has the meaning given it in Section 1.06(a)(ii). 
 (o) “Indebtedness” of a corporation means any and all obligations for money borrowed which in accordance with
generally accepted accounting principles would be included on the liabilities side of a balance sheet of such corporation as of the date as of which such indebtedness was incurred. 
 (p) “Indenture” has the meaning given it in the first recital. 
 (q) “Indenture Trustee” has the meaning given it in the first recital. 
 (r) “Lender” has the meaning given it in Section 2.02(a). 
 (s) “Lien” means any mortgage, pledge, security interest, encumbrance, lien or charge of any kind (including any
conditional sale or other title retention agreement, and, except with respect to any lease, the filing of or agreement to file any financing statement under the Uniform Commercial Code of any jurisdiction). 
 (t) “Moody’s” means Moody’s Investors Service, Inc. 
 (u) “Mortgage” has the meaning given it in Section 2.07. 
  

 17 

 (v) “Net Cash Proceeds” means the aggregate cash or Cash
Equivalents proceeds received by Clearwater in respect of any Disposition, Equity Issuance or Debt Incurrence, net of (a) direct costs (including, without limitation, legal, accounting and investment banking fees, and sales commissions) related
thereto, and (b) taxes paid or payable as a result thereof; it being understood that “Net Cash Proceeds” shall include, without limitation, any cash or Cash Equivalents received upon the sale or other disposition of any non-cash
consideration received by Clearwater in any Disposition, Equity Issuance or Debt Incurrence. In addition, the “Net Cash Proceeds” of any Disposition shall include any property or casualty insurance proceeds paid with respect to the loss,
damage or destruction of property and other amounts which constitute “Net Proceeds” (or any comparable term) of such transaction under, and as defined in the documents evidencing or governing any Indebtedness. 
 (w) “Note” has the meaning given it in Section 2.03(a); and a reference to the Note, at any time, shall be
the Note outstanding at that time, if any. 
 (x) “Person” means any individual, partnership, joint
venture, firm, corporation, limited liability company, association, trust or other enterprise (whether or not incorporated) or any governmental authority. 
 (y) “PFHI” has the meaning given it in the first recital. 
 (z)
“Potlatch” has the meaning given it in the Introduction. 
 (aa) “Revolving Loan
Agreement” has the meaning given it in Section 1.03. 
 (bb) “S&P” means
Standard and Poor’s Ratings Services, a division of The McGraw-Hill Companies, Inc. 
 (cc)
“Subsidiary” means, as to any Person at any time, (a) any Person more than 50% of whose capital stock or equity interests of any class or classes having by the terms thereof ordinary voting power to elect a majority of
the directors of such Person (irrespective of whether or not at such time, any class or classes of such Person shall have or might have voting power by reason of the happening of any contingency) is at such time owned by such Person directly or
indirectly through Subsidiaries, and (b) any partnership, association, joint venture or other entity of which such Person directly or indirectly through Subsidiaries owns at such time more than 50% of the Capital Stock of such entity.

 (dd) “Transaction Document” means this Agreement, the Note, the Mortgage, or any other document,
instrument or agreement delivered in connection with the foregoing, all as amended, restated or otherwise modified from time to time. 
 Section 6.10. Interpretation. In the case of this Agreement and each other Transaction Document, (a) the meanings of defined terms are equally applicable to the singular and plural forms of the defined terms; (b) Exhibit
and Section references are to such Transaction Document 
  

 18 

 
unless otherwise specified; (c) the term “including” is not limiting and means “including but not limited to”; (d) in the
computation of periods of time from a specified date to a later specified date, the word “from” means “from and including”; the words “to” and “until” each mean “to but excluding”, and the word
“through” means “to and including”; (e) unless otherwise expressly provided in such Transaction Document, (i) references to agreements and other contractual instruments shall be deemed to include all subsequent
amendments and other modifications thereto, but only to the extent such amendments and other modifications are not prohibited by the terms of any Transaction Document, and (ii) references to any statute or regulation shall be construed as
including all statutory and regulatory provisions amending, replacing, supplementing or interpreting such statute or regulation; (f) this Agreement and the other Transaction Documents may use several different limitations to regulate the same
or similar matters, all of which are cumulative and each shall be performed in accordance with its terms; and (g) this Agreement and the other Transaction Documents are the result of negotiations among and have been reviewed by counsel to
Clearwater and Potlatch and are the products of all parties; accordingly, they shall not be construed against Potlatch merely because of Potlatch’s involvement in their preparation. 
 Section 6.11. Counterparts. This Agreement may be executed in any number of counterparts, each of which when executed and delivered shall be
deemed to be an original, and all of which when taken together shall constitute one and the same Agreement. 
 Section 6.12. Governing
Law. This Agreement shall be governed by and construed in accordance with the laws of the State of New York. 
  

 19 

 IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be executed as of the day and year
first written above. 
  

			
	CLEARWATER PAPER CORPORATION
		
	By	 	  

		 	Gordon L. Jones
	
	POTLATCH CORPORATION
		
	By	 	  

		 	Michael J. Covey

 Potlatch Forest Holdings, Inc., a Delaware corporation, hereby assigns to Potlatch Land & Lumber,
LLC, a Delaware limited liability company (“PLL”), and PLL hereby accepts from PFHI, all its right, title and interest in the obligations described in Section 1.01(a) and other provisions relating thereto under this Agreement.

  

			
	POTLATCH FOREST HOLDINGS, INC.
		
	By	 	  

		 	Michael J. Covey
	
	POTLATCH LAND & LUMBER LLC
		
	By	 	  

		 	Eric J. Cremers

  

 20 

 EXHIBIT A 
 SECURED NOTE 
  

			
	 $[______]
	  	Spokane, Washington
		  	[June][December] 1, 2009

 FOR VALUE RECEIVED, the undersigned, CLEARWATER PAPER CORPORATION, a Delaware
corporation (“Clearwater”), promises to pay to the order of [POTLATCH CORPORATION], a Delaware corporation (“Potlatch”), at 601 West First Avenue, Suite 1600, Spokane, WA 99201, Attention: Eric
J. Cremers, Vice President Finance and Chief Financial Officer, or such other address as Potlatch may notify Clearwater, the principal sum of [specify amount in words] Dollars ($[specify amount in
numbers]), together with interest as hereinafter provided. This note evidences a loan by Potlatch to Clearwater under Section 2.02 of the Retained Obligation Agreement dated November __, 2008 between Potlatch and Clearwater (said
Agreement as amended or modified from time to time the “Retained Obligation Agreement”). Capitalized terms not otherwise defined herein have the meanings set forth in the Retained Obligation Agreement. The Retained Obligation
Agreement is incorporated herein as though fully set forth and Clearwater acknowledges its reading and execution. The entire unpaid principal balance hereof and all accrued and unpaid interest shall be due and payable on December 1, 2011. On
each June 1 and December 1, Clearwater shall pay Potlatch accrued interest, computed on the basis of a 360-day year, for the actual number of days elapsed, on the unpaid balance of this Note, at the per annum rate [specify rate
determined pursuant to Section 2.04(c) of the Retained Obligation Agreement] per annum. 
 To secure the payment of this Note
and the obligations in Article II of the Retained Obligation Agreement, Clearwater has granted to Potlatch a continuing security interest in and lien on the collateral described in the Retained Obligation Agreement. 
 In addition to all remedies provided by law upon default on payment of this Note, or upon an Event of Default, Potlatch may, at its option: 

(1) Declare this Note and the Obligations immediately due and payable; 
 (2) Collect interest on this Note at the default rate set forth in the Retained Obligation Agreement; and 
 (3) Exercise any and all remedies provided for in the Retained Obligation Agreement. 
 CLEARWATER WAIVES PRESENTMENT FOR
PAYMENT, TO THE EXTENT PERMITTED UNDER APPLICABLE LAW, PROTEST AND NOTICE OF PROTEST FOR NON-PAYMENT OF THIS NOTE. THIS NOTE AND THE LOAN EVIDENCED HEREBY SHALL BE GOVERNED BY THE TERMS OF THE APPLICABLE PROVISION SET FORTH IN THE RETAINED
OBLIGATION AGREEMENT. 
  

			
	 CLEARWATER PAPER CORPORATION
 a
Delaware corporation

		
	Signed by:	 	  

	Print Name:	 	  

	Title/Capacity:

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