Document:

EX-10. (c)

 Exhibit 10 (c) 
 P. H. GLATFELTER COMPANY 
 SUPPLEMENTAL EXECUTIVE RETIREMENT PLAN

 (Amended and Restated Effective January 1, 2010) 

 TABLE OF CONTENTS 

 

					
	 	  	Page	 
		
	 ARTICLE I - PURPOSE
	  	 	1	  
		
	 ARTICLE II - DEFINITIONS
	  	 	2	  
		
	 ARTICLE III - ELIGIBILITY FOR AND FORFEITURE OF PLAN PARTICIPATION
	  	 	6	  
		
	 ARTICLE IV - RESTORATION PENSION
	  	 	8	  
		
	 ARTICLE V - FINAL AVERAGE COMPENSATION PENSION
	  	 	12	  
		
	 ARTICLE VI - FUNDING
	  	 	16	  
		
	 ARTICLE VII - ADMINISTRATION
	  	 	16	  
		
	 ARTICLE VIII - AMENDMENT AND TERMINATION
	  	 	18	  
		
	 ARTICLE IX - MISCELLANEOUS
	  	 	18	  

  
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 P.H. Glatfelter Company 

Supplemental Executive Retirement Plan 
 (Amended and Restated Effective January 1, 2010) 
 ARTICLE I

 PURPOSE 
 1.1 Background and Purpose. The Plan was originally established, effective January 1, 1988, for the purpose of providing certain officers or senior management employees of P.H. Glatfelter
Company (the “Company”) with benefits which would otherwise be provided under the Company’s qualified defined benefit retirement plan (now known as the P.H. Glatfelter Company Retirement Plan for Salaried Employees (“Retirement
Plan”) but for reductions or restrictions to such benefits required by Federal law. Effective as of April 23, 1998, the Plan was amended and restated in its entirety, and was further amended effective December 26, 2000. Effective as
of January 1, 2008, the Plan was again amended and restated in its entirety to conform its provisions to the requirements of Section 409A of the Internal Revenue Code (“Code”) and the final regulations thereunder. Effective as of
January 1, 2010, the Plan was amended by the adoption of Amendment No. 2010-1. 
 This amended and restated Plan
document effective as of January 1, 2010 consists of the restated Plan effective as of January 1, 2008 incorporating Amendment No. 2010-1. 
 The Plan consists of two benefits. The first benefit, known as the “Restoration Pension”, provides an additional pension benefit based on the Participant’s pension benefit earned under the
terms of the Retirement Plan, which is intended to restore that portion of the Retirement Plan’s benefit which cannot be paid from that plan due to legal limitations on the compensation and total benefits payable thereunder. 

The second benefit, known as the “Final Average Compensation Pension” or “FAC Pension”, pays a monthly pension
benefit equal to a designated percentage of the participant’s Final Average Compensation (as defined herein), offset by the actuarially equivalent value of the Participant’s benefits under the Retirement Plan and certain Company-sponsored
nonqualified defined benefit pension arrangements, including (if applicable) the Restoration Pension. 
 It is intended that
this Plan will satisfy the requirements of an unfunded “top hat” deferred compensation plan as described in sections 201(2), 301(a)(3) and 401(a)(1) of ERISA. Consequently, participation shall be limited to individuals who, in the
determination of the Committee, are management employees or who are highly compensated employees for purposes of the foregoing provisions of ERISA. 

 ARTICLE II 
 DEFINITIONS 
 2.1 “Accrued Benefit” means, as of any applicable
date of reference, the amount of the Participant’s Restoration Pension or Final Average Compensation Pension, as the case may be, which has been earned to such date payable (in the case of the Restoration Pension) in the normal form of annuity
payment commencing as of his normal retirement date under the terms of the Retirement Plan or (in the case of the FAC Pension) in the form of the Joint and 75% Surviving Spouse’s Annuity commencing as of his Normal Retirement Date (or, in each
case, immediately if the Participant has passed his normal retirement date and is still an Employee), and calculated in accordance with Article IV or Article V, as the case may be. In determining a Participant’s Accrued Benefit as of a
particular date, his compensation and/or service credit earned after such date shall not be taken into account. 
 2.2
“Benefit Commencement Date” means, for any Participant, the date as of which his initial benefit payment is due. “Benefit Commencement Date” also means, with respect to the Participant’s Spouse, the date on which the
Survivor’s Benefit under Section 5.5 commences to the Spouse. 
 2.3 “Benefit Years” means, subject
to Section 5.5, the Participant’s Benefit Years as that term is defined for purposes of the Retirement Plan; provided, however, that if the Participant had become a covered employee under the Retirement Plan by reason of transfer from
hourly-paid service with the Company or an affiliate on or after January 1, 1992, Benefit Years shall also be credited with respect to his service as an hourly employee prior to such transfer. 

2.4 “Board” means the Board of Directors of P.H. Glatfelter Company. 

2.5 “Cause” means (i) an act or acts of personal dishonesty taken by the Participant and intended to result in
substantial personal enrichment of the Participant at the expense of the Company, (ii) illegal conduct or gross misconduct which is materially injurious to the Company and which conduct or misconduct is demonstrably willful and deliberate on
the Participant’s part, (iii) violation by the Participant of any of the Company’s policies including, but not limited to, policies regarding sexual harassment, insider trading, confidentiality, non-disclosure, non-competition,
non-disparagement, substance abuse and conflict of interest and any other written policy of the Company, which violation could result under the terms of such policy in the termination of the Participant’s employment, or (iv) the conviction
of the Participant of a felony which is materially injurious to the Company or a plea by the Participant of guilty or no contest to a charge of a felony which is materially injurious to the Company. 

2.6 “Change in Control” means the occurrence of any of the following events, directly or indirectly or in one or more
series of transactions: 
 (a) The acquisition, directly or indirectly, other than from the Company, by any person, entity or
“group” (within the meaning of Section 13(d)(3) or 14(d)(2) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), excluding, for this purpose, 

  
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the Company, its subsidiaries, any employee benefit plan of the Company or its subsidiaries, and any purchaser or group of purchasers who are descendants of, or entities controlled by descendants
of, P.H. Glatfelter which acquires beneficial ownership of voting securities of the Company) (a “Third Party”) of beneficial ownership (within the meaning of Rule 13d-3 promulgated under the Exchange Act) of 20% or more of the combined
voting power of the Company’s then outstanding voting securities entitled to vote generally in the election of directors; or 
 (b) Individuals who, as of the date hereof, constitute the Board (the “Incumbent Directors”) cease for any reason to constitute at least a majority of the Board, provided that any person
becoming a director subsequent to the date hereof whose election, or nomination for election by the Company’s shareholders, was approved by a vote of at least a majority of the Incumbent Directors who are directors at the time of such vote
shall be, for purposes of this Agreement, an Incumbent Director; or 
 (c) Consummation of (i) a reorganization, merger or
consolidation, in each case, with respect to which persons who were the shareholders of the Company immediately prior to such reorganization, merger or consolidation (other than the acquirer) do not, immediately thereafter, beneficially own more
than 50% of the combined voting power of the reorganized, merged or consolidated company’s then outstanding voting securities entitled to vote generally in the election of directors, or (ii) a liquidation or dissolution of the Company or
the sale of all or substantially all of the assets of the Company (whether such assets are held directly or indirectly) to a Third Party. 
 In addition to the foregoing, a Change in Control with respect to an individual Participant shall be deemed to occur if the Participant’s employment with the Company is terminated prior to the date
on which a Change in Control occurs, and it is reasonably demonstrated that such termination (i) was at the request of a third party who has taken steps reasonably calculated to effect a Change in Control or (ii) otherwise arose in
connection with or anticipation of a Change in Control. In such event, the provisions of Section 3.3 shall apply with respect to the Participant’s benefit, except that the Company’s obligation to fund the Trust shall not arise unless
and until a Change in Control as described in paragraphs (a), (b) or (c) has actually occurred. 
 2.7
“Code” means the Internal Revenue Code of 1986, as amended. 
 2.8 “Committee” means the
Compensation Committee of the Company’s Board of Directors. 
 2.9 “Company” means the P.H. Glatfelter
Company. 
 2.10 “Compensation” means 
 (a) with respect to the FAC Pension, the sum of (1) a Participant’s base compensation for each calendar month included as part of Final Average Compensation (as defined herein for purposes of
the FAC Pension) and (2) that portion of his annual incentive and profit sharing earnings which is attributable to the Participant’s performance of services during such month, as determined by the Committee; and 

(b) with respect to the Restoration Pension, the Participant’s compensation for any applicable period as defined for purposes of the
Retirement Plan with respect to the participant group (Cash Balance Retirement Plan Participant or Legacy Retirement Plan Participant) of which the Participant is a member, plus, if applicable for any period for a Participant who is a Legacy
Retirement Plan Participant, that portion of the Participant’s incentive award under the MIP which he had elected (prior to 2005) to defer in accordance with paragraph 7 of the MIP as it existed prior to January 1, 205. 

  
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 2.11 “Confidential Information” means information which is not generally
known to the public, which is used, developed, or obtained by the Company (or its affiliates) relating to its business and the businesses of its clients or customers including, without limitation: products or services; fees, costs and pricing
structures; marketing information; advertising and pricing strategies; analyses and reports; computer software including operating systems, applications and program listings; flow charts; manuals and documentation; databases; accounting and business
methods; inventions and new developments and methods, whether patentable or unpatentable and whether or not reduced to practice; all copyrightable works; the Company’s existing and prospective clients and customers and their confidential
information; existing and prospective client and customer lists and other data related thereto; billing and payment records; and all similar and related information in whatever form. 

2.12 “Disability” means a disabling illness or injury which causes the Participant to be absent from work and during
which the Participant receives payments under the Company’s long-term disability plan. 
 2.13 “Early Retirement
Date” means the first day of the month coincident with or next following the Participant’s attainment of age 55 and retirement from employment with the Company and all affiliates; provided that such date shall not be later than his
Normal Retirement Date. 
 2.14 “Employee” means an officer or senior management employee of the Company and,
with respect to the Restoration Pension, such other management or highly compensated employee of the Company who would qualify for a Restoration Pension benefit under the eligibility criteria described at Section 3.1(b). 

2.15 “ERISA” means the Employee Retirement Income Security Act of 1974, as amended. 

2.16 “Final Average Compensation” means 
 (a) with respect to the FAC Pension for any Participant, the annualized average of the Participant’s Compensation (as defined in Section 2.10(a)) for the sixty (60) calendar months
immediately preceding his retirement, as determined by the Committee. In determining a Participant’s Final Average Compensation, the Committee may estimate the Participant’s incentive and/or profit sharing earnings with respect to his
final year or partial year of employment. In such event, after the Participant’s actual Compensation is known, the amount of the Participant’s monthly FAC Pension shall be adjusted to reflect such actual Compensation at such time and in
such manner as the Committee deems appropriate; and 
 (b) with respect to the Restoration Pension for any Participant who is a
Legacy Retirement Plan Participant, his “final average compensation” as defined in Schedule C, Section C-1.14 of the Retirement Plan, but determined by taking into account as Compensation for any period comprising such final average
compensation that portion of the Participant’s incentive award under the MIP which he had elected (prior to 2005) to defer in accordance with paragraph 7 of the MIP as it existed prior to January 1, 2005. 

  
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 2.17 “Final Average Compensation Pension” or “FAC Pension”
means the pension benefit described in Article V of this Plan. 
 2.18 “Joint and 75% Surviving Spouse’s
Annuity” means, with respect to the Final Average Compensation Pension, a joint and survivor annuity with the Participant’s Spouse, with monthly installments payable to the Participant for his lifetime in the amount determined under
Section 5.1, 5.2, 5.3, 5.4 or 5.5, as applicable, and with seventy-five percent (75%) of the amount of such monthly installment payable after the death of the Participant to the Spouse of such Participant, if then living, for the life of
such surviving Spouse. 
 2.19 “Normal Retirement Date” means, for purposes of the FAC Pension, the first day
of the month coincident with or next following the Participant’s attainment of age 62, provided that he has retired from employment with the Company and all affiliates. For purposes of the Restoration Pension, Normal Retirement Date means the
Participant’s normal retirement date under the terms of the Retirement Plan. 
 2.20 “MIP” means the
Company’s Management Incentive Plan, as it may be amended from time to time. 
 2.21 “Participant” means
an Employee who is selected by the Committee for participation in the Plan with respect to the FAC Pension and/or the Restoration Pension as described in Section 3.1. 
 2.22 “Plan” means the P.H. Glatfelter Company Supplemental Executive Retirement Plan. 
 2.23 “Retirement Plan” means the P.H. Glatfelter Company Retirement Plan for Salaried Employees, as it may be amended from time to time. Participants in the Retirement Plan belong to one
of two groups corresponding to the two programs of benefits under the Retirement Plan. As used herein, a “Cash Balance Retirement Plan Participant” means a Retirement Plan participant whose benefit is determined under the Retirement
Plan’s cash balance benefit formula. As used herein, a “Legacy Retirement Plan Participant” means a Retirement Plan participant whose benefit is determined under the traditional or legacy formula described in Schedule C of the
Retirement Plan. 
 2.24 “Restoration Pension” means the pension benefit described in Article IV of this
Plan. 
 2.25 “Restoration Pension Calculation Date” means, for a Participant with respect to the Restoration
Pension, the first day of the calendar month which is coincident with or next follows the date of the Participant’s Separation from Service. 

  
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 2.26 “Restoration Pension Commencement Date” means,
for a Participant with respect to the Restoration Pension, the first day of the seventh (7th) calendar month following the date of such Participant’s Separation from Service. Notwithstanding the foregoing, the Committee reserves the right, with respect to any Employee designated as a
Participant under the Restoration Pension prior to January 1, 2010 whose Restoration Pension is paid as an annuity, to delay his Restoration Pension Commencement Date to the first day of the month coincident with or next following the date he
attains age 55, if the Committee deems such delay necessary to conform to the regulations under Code section 409A. 
 2.27
“Separation from Service” means, subject to Section 9.4, the Participant’s “Separation from Service” as that term is defined for purposes of the Retirement Plan. 

2.28 “Spouse” means the individual, if any, to whom the Participant is legally married on the Participant’s Benefit
Commencement Date, or, with respect to the Survivor’s Benefit under Section 5.7 or an approved single sum distribution of the FAC Pension under Sections 5.8(b) or (c), on the date of the Participant’s death. 

2.29 “Trust” means the trust under the Trust Agreement executed January 12, 1990 between the Company and Provident
National Bank as Trustee, or any successor “rabbi” trust agreement conforming to the requirements described at Section 6.1(b), as may be adopted by the Company to hold the assets used to pay Plan benefits. 

ARTICLE III 

ELIGIBILITY FOR AND FORFEITURE OF PLAN PARTICIPATION 
 3.1 Eligibility and Participation. 
 (a) FAC Pension. An Employee
shall become a Participant with respect to the FAC Pension if he is selected for participation by the Committee, in its sole and absolute discretion. An Employee must specifically be designated by the Committee as a Participant with respect to the
FAC Pension, regardless of whether he may be a Participant with respect to the Restoration Pension. No Employee shall be designated as eligible for the FAC Pension who is also eligible for the Early Retirement Supplement under the Company’s
Supplemental Management Pension Plan. 
 (b) Restoration Pension. 

(1) An Employee shall become a Participant with respect to the Restoration Pension if he is selected for participation by the Committee,
in its sole discretion. Following the close of each calendar year, Company management shall nominate Employees for participation in the Restoration Pension, on the basis of such Employee having earned Compensation (as defined in Section 2.10)
for such calendar year which exceeds the dollar limit on annual compensation under section 401(a)(17) of the Code (“Excess Annual Compensation”). If approved by the Committee, a nominated Employee shall become a Participant with respect to
the Restoration Pension as of the January 1 of the calendar year which next follows the calendar year in which the Employee has earned Excess Annual Compensation. To be eligible for the Restoration Pension benefit, a Participant must ultimately
earn a vested benefit under the Retirement Plan. 

  
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 (2) Notwithstanding the foregoing, the Committee in its sole discretion may designate an
Employee as a Participant with respect to the Restoration Pension who has not earned Excess Annual Compensation. 
 (3) No
Employee who becomes a Participant with respect to the Restoration Pension shall be eligible for the Management Incentive Plan (MIP) Adjustment Supplement under the Company’s Supplemental Management Pension Plan (the “SMPP”). In the
event an Employee eligible for the MIP Adjustment Supplement under the SMPP becomes a Participant with respect to the Restoration Pension, he shall forfeit any benefit under the MIP Adjustment Supplement in favor of the Restoration Pension.

 3.2 Cessation of Participation; Termination of Benefit Accruals. 

(a) With respect to the FAC Pension, a Participant shall cease to be a Participant and shall forfeit the right to his Accrued Benefit
with respect to the FAC Pension under this Plan if (i) prior to the time he attains age 55, he voluntarily or involuntarily terminates employment with the Company and all affiliates other than by reason of death, or (ii) on or after age
attaining age 55, his employment is terminated by the Company for Cause. 
 (b) With respect to the Restoration Pension, a
Participant shall cease to be a Participant and shall forfeit his right to his Accrued Benefit with respect to his Restoration Pension if his employment is terminated by the Company for Cause. 

(c) The Committee shall have the right, in its sole and absolute discretion, to terminate the accrual of benefits for a Participant at
any time prior to his Benefit Commencement Date; provided however, that such termination of benefit accruals shall be prospective only and shall not affect the right of such Participant, subject to the application of subsections 3.2(a), (c) and
(d), to receive a Restoration Pension or FAC Pension, as the case may be, based on his Accrued Benefit determined as of the date benefit accruals are terminated. 
 (d) If a Participant who is receiving, or may be entitled to receive, a benefit hereunder should, without the prior consent of the Committee, (1) become an employee, officer or a director of a
competitor of the Company, or (2) use or disclose Confidential Information (except as required in the performance of the Participant’s duties with the Company), then payments thereafter payable hereunder to such Participant or such
Participant’s beneficiary will be forfeited and neither the Company nor the Plan will have any further obligation hereunder to such Participant or his beneficiary. The Committee in its sole and absolute discretion shall determine if another
entity or person is a “competitor” for purposes of this subsection. 
 (e) Except as provided in Section 3.3, the
Committee shall have broad, sole and absolute discretion under Section 3.1 and subsections (c) and (d) hereof, including but not limited to determining who will become a Participant in the Plan, when participation in the Plan
commences and ceases and when benefits accruals commence or terminate. 
 3.3 Change in Control. Notwithstanding anything
to the contrary contained in this Article III or any other portion of the Plan, when a Change in Control occurs, the right to receive benefits under this Plan for each Employee who is a Participant in the Plan on the date such change occurs
shall become fixed and nonforfeitable with respect to his Accrued Benefit on such date, and shall not be subsequently divested. All discretion of the Committee regarding the forfeiture or termination of a Participant’s participation or benefits
as provided under Section 3.2 shall be eliminated upon such Change in Control, and the Applicable Percentage of each Participant’s Final Average Compensation Pension (see Section 5.1(b)) shall be fixed at fifty-five percent (55%).
Also, within five (5) days following such Change in Control the Company shall fund the Trust with sufficient assets to pay the Accrued Benefits of all Participants under the Plan. 

  
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 ARTICLE IV 
 RESTORATION PENSION 
 4.1 Amount of Restoration Pension. A
Participant’s Restoration Pension shall be equal to the amount described in Subsection (a), (b) or (c), as applicable. The Restoration Pension shall be paid at the time set forth in Section 4.2 and in the form set forth in
Section 4.3. 
 (a) With respect to any Participant who is a Legacy Retirement Plan Participant other than a “1970
Participant” described in Subsection (b), the Restoration Pension shall be equal to (1) minus (2) below: 
 (1) The vested single life annuity benefit that would have been payable to the Participant beginning at his Restoration Pension Calculation Date determined 

(A) on the basis of his Compensation and Final Average Compensation (as defined in Sections 2.9 and 2.15 of this Plan)
determined without regard to the limit on annual compensation under section 401(a)(17) of the Code, and 
 (B)
without regard to any applicable maximum benefit limitation under section 415 (b) of the Code with respect to a Retirement Plan benefit payable as of the Restoration Pension Calculation Date. 

(2) The vested single life annuity benefit that would be payable to the Participant under the terms of the Retirement
Plan (based on “Compensation” and “Final Average Compensation” as defined under the Retirement Plan and taking into account the legal limits under Code section 401(a)(17) and 415(b)) if such benefit was to begin to be paid as of
the Restoration Pension Calculation Date (regardless of whether the Participant in fact begins to receive his Retirement Plan benefit at a different time). 

  
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 (b) With respect to any Participant who is a Legacy Retirement Plan Participant and who is a
“1970 Participant” as defined in Section C-1.22 of the Retirement Plan whose benefit thereunder is determined under the “Modified Grandfathered Accrued Benefit” for “1970 Participants”, the Restoration Pension shall be
equal to (1) minus (2) below. 
 (1) The vested single life annuity benefit that would have been
payable to the Participant beginning at his Restoration Pension Calculation Date determined 
 (A) on the basis
of “Base Earnings” and “Final Average Excess Earnings” (each as defined in Schedule C of the Retirement Plan) (but including, with respect to the determination of the Participant’s excess earnings for any period, that
portion of the Participant’s incentive award under the MIP which he had elected (prior to 2005) to defer in accordance with paragraph 7 of the MIP as it existed prior to January 1, 2005), determined without regard to the limit on annual
compensation under section 401(a)(17) of the Code, and 
 (B) without regard to any applicable maximum benefit
limitation under section 415(b) of the Code with respect to a Retirement Plan benefit payable as of the Restoration Pension Calculation Date. 
 (2) The vested single life annuity benefit that would have been payable to the Participant under the terms of the Retirement Plan (taking into account the legal limits under Code section 401(a)(17) and
415(b)) if such benefit was to begin to be paid as of the Restoration Pension Calculation Date (regardless of whether the Participant in fact begins to receive his Retirement Plan benefit at such time). 

(c) With respect to any Participant who is a Cash Balance Retirement Plan Participant, the Restoration Pension shall be equal to
(1) minus (2) below: 
 (1) The vested single life annuity benefit that would have been payable to the
Participant beginning at his Restoration Pension Calculation Date under the Retirement Plan’s “cash balance” benefit formula determined 
 (A) on the basis of his Compensation (as defined in Section 2.9) determined without regard to the limit on annual compensation under section 401(a)(17) of the Code, and 

(B) without regard to any applicable maximum benefit limitation under section 415(b) of the Code with respect to a
Retirement Plan benefit payable as of the Restoration Pension Calculation Date. 
 (2) The vested single life
annuity benefit that would be payable to the Participant under the terms of the Retirement Plan’s “cash balance” benefit formula (based on “Compensation” as defined under the Retirement Plan and taking into account the legal
limits under Code section 401(a)(17) and 415(b)) if such benefit was to begin to be paid as of the Restoration Pension Calculation Date (regardless of whether the Participant in fact begins to receive his Retirement Plan benefit at such time).

  
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 4.2 Payment of Restoration Pension. 

(a) Although the amount of the Restoration Pension benefit is, as described in Section 4.1, determined as of the Restoration Pension
Calculation Date, payment of the Restoration Pension is delayed until the Restoration Pension Commencement Date. The Restoration Pension shall be paid or commence to be paid to a Participant in accordance with Section 4.3 within thirty
(30) days following the Restoration Pension Commencement Date. If payable as a monthly annuity, the first payment of the Restoration Pension shall include a payment equal to the payments due for the period between the Restoration Pension
Calculation Date and the Restoration Pension Commencement Date, which additional payment shall be determined without interest. If, prior to January 1, 2010, a Participant had made a lawful election to postpone distribution to a later specified
date, distribution shall be made, or commence to be made, within thirty days following such later specified date. No Participant election to postpone the Restoration Pension Commencement Date shall be permitted on or after January 1, 2010 and
no previous election shall be permitted to be cancelled or modified, except as may be permitted by the Committee in its sole discretion consistent with the requirements of Code section 409A and the regulations thereunder. 

(b) In the event the Participant should die after his Restoration Pension Calculation Date but before his Restoration Pension
Commencement Date, the survivor portion of his Restoration Pension benefit payable as an annuity (see Section 4.3) shall be paid to his Spouse if he was married on the date of his death, commencing as soon as practicable following notification
to the Committee of the Participant’s death. A Restoration Pension benefit payable as a single sum distribution shall be paid to the Participant’s estate as soon as practicable following notification to the Committee of the
Participant’s death. 
 4.3 Forms of Payments. 

(a) If the present value of a Participant’s Restoration Pension on the Restoration Pension Calculation Date exceeds the applicable
dollar amount under Section 402(g)(1)(B) of the Code on such date (for 2010, this dollar amount is $16,500), his Restoration Pension will be paid as of or beginning as of his Restoration Pension Commencement Date in the form of (1) a joint
and 50% survivor annuity with his Spouse if he is married on his Restoration Pension Commencement Date or (2) a single life annuity if he is unmarried on such date. 
 (b) If the present value of a Participant’s Restoration Pension on the Restoration Pension Calculation Date is equal to or less than the applicable dollar amount under Section 402(g)(1)(B) of
the Code on such date (for 2010, this dollar amount is $16,500), the 

  
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Restoration Pension will be paid as of the Participant’s Restoration Pension Commencement Date in the form of a single sum distribution equal to its actuarially equivalent present value on
the Restoration Pension Calculation Date. 
 (c) Notwithstanding the foregoing, if, prior to January 1, 2010, a Participant
had made a lawful election to receive his Restoration Pension in a different payment form, such election shall be honored. No Participant election to change the form of payment shall be permitted on or after January 1, 2010, and no previous
election shall be permitted to be canceled or modified, except as may be permitted by the Committee in its sole discretion consistent with the requirements of Code Section 409A and the regulations thereunder. 

(d) Notwithstanding the foregoing (and notwithstanding any election made by the Participant to the contrary), if a Participant entitled
to the Restoration Pension is also entitled to the FAC Pension (the amount of which is determined in part by offsetting the value of the Restoration Pension), the Restoration Pension shall be paid, or begin to be paid, at the same time that the FAC
Pension is paid or begins to be paid. 
 (e) For purposes of (i) converting a Restoration Pension
payable as a single life annuity into a joint and 50% survivor annuity or other form of annuity benefit under the Retirement Plan and (ii) determining the amount of the Restoration Pension if paid other than at the Participant’s Normal
Retirement Date under the terms of the Retirement Plan, the actuarial equivalent and early commencement factors applicable to the Participant’s benefit under the Retirement Plan as of the Restoration Pension Calculation Date shall be used. In
the event the Participant who is a Legacy Retirement Plan Participant has a Separation from Service before attaining age 55, and his Restoration Pension Calculation Date is prior to the first day of the calendar month coincident with or next
following the month in which he attains age 55, the reduction of a single life annuity benefit to reflect its early commencement shall be equal to one-half of one percent ( 1/2%) for each month (6% per year) by which the Participant’s Restoration Pension Calculation Date precedes his Normal Retirement Date under the terms of the Retirement Plan. 

(f) The present value of a Participant’s Restoration Pension payable in a single sum in accordance with this Section 4.3 shall
be determined by the Committee according to the actuarial assumptions used as of the Restoration Pension Calculation Date under the Retirement Plan for the determination of single sums. 

4.4 Death. In the event that an Employee designated as a Participant with respect to the Restoration Pension should die before his
Restoration Pension Calculation Date thereof and is survived by his Spouse, no Restoration Benefit as described in Section 4.1 shall be paid and instead the Spouse shall receive a Death Benefit to the extent any death benefit is payable to the
surviving Spouse under the Retirement Plan. Such Death Benefit shall be paid in a single lump sum within sixty (60) days following the Participant’s death. The amount of any Death Benefit under this Section 4.4 shall be 

(a) the present value of the amount which would have been payable to the surviving Spouse under the Retirement Plan on the basis of the
Participant’s Compensation and, if applicable, Final Average Compensation as defined in Sections 2.9 and 2.15 (or, if applicable, 

  
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“Base Earnings” and “Final Average Excess Earnings” as described in Section 4.1(b)(1)(A)), determined without regard to the annual limit on compensation under section
401(a)(17) of the Code and without regard to any applicable maximum benefit limitation under section 415(b) of the Code, reduced by 
 (b) the present value of the amount payable to the surviving Spouse under the Retirement Plan. 

The present value of the Death Benefit payable in a single sum in accordance with this Section 4.4 shall be determined by the Committee according to
the actuarial assumptions used as of the date of the Participant’s death under the Retirement Plan for the determination of single sums. 
 ARTICLE V 
 FINAL AVERAGE COMPENSATION PENSION 

5.1 Amount of Final Average Compensation Pension. 
 (a) The annual amount of a Participant’s Final Average Compensation Pension, payable to the Participant on a monthly basis beginning as of his Normal Retirement Date, shall be equal to 

(1) the Applicable Percentage (not to exceed fifty-five percent (55%)) of the Participant’s Final Average Compensation,
reduced by 
 (2) the Offset Amount. 
 (b) For purposes of the foregoing, a Participant’s “Applicable Percentage” shall be fifty-five percent (55%) multiplied by a fraction, not to exceed 1, the denominator of which is 27.5
and the numerator of which is the Participant’s Benefit Years determined as of his Benefit Commencement Date. Notwithstanding the foregoing, upon the happening of a Change in Control, the Participant’s Applicable Percentage shall be
fifty-five percent (55%) without regard to his Benefit Years at such time. 
 (c) For purposes of the foregoing, a
Participant’s “Offset Amount” means the sum of (1) the annual amount of the Participant’s pension payable from the Retirement Plan, plus (2) the annual amount, if any, of the Participant’s pension payable from any
other qualified or nonqualified defined benefit pension plan or arrangement sponsored by the Company or any affiliate, including without limitation the Restoration Pension and/or the Company’s qualified defined benefit plan for hourly
employees. The Offset Amount shall be determined by assuming that each benefit under each plan or arrangement which comprises the Offset Amount is paid beginning at the same time as the Final Average Compensation Pension and in the form of a joint
and 75% survivor annuity with the Participant’s Spouse, and shall be valued by using the actuarial assumptions used to calculate actuarial equivalences or the reduction factors for early commencement, as applicable, under such plan or
arrangement, if any, or otherwise under the Retirement Plan. If the Participant has no Spouse, the Offset Amount payable in the form of a joint and 75% survivor annuity shall be determined by assuming the Participant had a spouse of the same age.

  
 12 

 5.2 Normal Retirement. A Participant who retires from employment with the Company and
all affiliates on his Normal Retirement Date will receive a Final Average Compensation Pension, in the amount described at subsection 5.1(a) beginning on his Normal Retirement Date, subject to the payment delay described at Section 5.6.

 5.3 Early Retirement. A Participant who retires from employment with the Company and all affiliates on or after
attaining age 55 but prior to age 62 will receive a Final Average Compensation Pension beginning as of his Early Retirement Date, subject to the payment delay described at Section 5.6. The amount of the Participant’s FAC Pension shall be
equal to the amount described at subsection 5.1(a)(l), determined as of his Early Retirement Date but reduced by 2.5% for each year (0.208% for each month) by which his Early Retirement Date precedes his Normal Retirement Date, reduced by the
Participant’s Offset Amount. 
 5.4 Late Retirement. A Participant who retires from employment with the Company and
all affiliates after his Normal Retirement Date will receive a Final Average Compensation Pension beginning as of the first day of the month coincident with or next following the date of his retirement, subject to the payment delay described at
Section 5.6. Such pension shall be determined in accordance with Section 5.1(a) taking into account all Benefit Years earned up until his Benefit Commencement Date. 
 5.5 Disability. In the event an Employee designated as a Participant with respect to the Final Average Compensation Pension suffers a Disability prior to his Early Retirement Date, he shall be
eligible to begin to receive his FAC Pension beginning as of 
 (a) the first day of the month coincident
with or next following his 55th birthday, if he has
terminated employment with the Company and all affiliates before such date or 
 (b) his Early Retirement Date 

(each as applicable, his Benefit Commencement Date). 
 The amount of the Participant’s FAC Pension shall be calculated on the basis of his Final Average Compensation determined on the date his Disability commenced, and actual and projected Benefit Years
following the onset of his Disability until the first to occur of (a) the cessation of his Disability (including by reason of a determination that he is no longer eligible for payments under the Company’s long-term disability plan) or
(b) his Benefit Commencement Date. If the Participant’s Benefit Commencement Date precedes his Normal Retirement Date, the amount of his FAC Pension shall be reduced to reflect its early commencement in accordance with Section 5.3.

 5.6 Payment Delay for Specified Employees. Notwithstanding anything herein to the contrary, in the event a Participant
is a “specified employee” within the meaning of Treas. Reg. § 1.409A-(1)(i) as of the date of his retirement or other separation from service that entitles him to receive a FAC Pension, then no payment shall be made to such
Participant during the first six months following such Participant’s retirement or other separation from service and any amounts that would otherwise be paid in a single lump sum on the first business day of the seventh month following the
Participant’s retirement or other separation from service. 

  
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 5.7 Survivor’s Benefit. 

(a) In the event that an Employee designated as a Participant with respect to the Final Average Compensation Pension should die while an
active Employee (or while an inactive Employee by reason of a Disability) before his Benefit Commencement Date and is survived by his Spouse, the Spouse shall receive a Survivor’s Benefit. The Survivor’s Benefit shall be a monthly pension
for life and shall begin as of the first day of the month following the month of the Participant’s death. 
 (b) The
Survivor’s Benefit shall be the benefit the Spouse would have received if the Participant (1) had separated from service on the date of his death, (2) had survived to the Benefit Commencement Date determined under paragraph
(a) above, (3) had then begun to receive an immediate FAC Pension in the form of a Joint and 75% Surviving Spouse’s Annuity and (4) died on the following day. If the Survivor’s Benefit begins to be paid before what would
have been the Participant’s Normal Retirement Date, the amount of the Final Average Compensation Pension on which the Survivor’s Benefit is based shall be reduced as set forth in Section 5.3 to reflect its early commencement, but such
reduction shall not take into account any period of time before what would have been the Participant’s 55th birthday. 

(c) Notwithstanding the foregoing, if the Participant has elected an approved single sum distribution of his FAC Pension as described in
Section 5.8(b) or (c), the present value of the Survivor’s Benefit, as determined on the first day of the month coincident with or next following the Participant’s death (the “Determination Date”) will be paid to the
Participant’s Surviving Spouse in a single sum within thirty (30) days of the Determination Date. 
 5.8 Form of
Benefit. 
 (a) Except as provided in subsections (b) or (c), the only form of benefit payable under this Plan with
respect to the Final Average Compensation Pension shall be the Joint and 75% Surviving Spouse’s Annuity (or, in the case of the Survivor’s Benefit under Section 5.7, a single life annuity based on the survivor portion of a Joint and
75% Surviving Spouse’s Annuity.) If the Participant is not married as of his Benefit Commencement Date, his monthly pension benefit will end as of the month in which his death occurs, and will not be adjusted to reflect that there is no
survivor benefit payable. 
 (b) The Participant may make a written request to the Committee or its delegate to receive payment
of the present value of his FAC Pension in a single sum. Such written request must be received by the Committee at least twelve months prior to the Participant’s termination of employment and must delay the payment of the FAC Pension for not
less than five years and is subject to the approval of the Committee in its sole and absolute discretion. If the Participant makes such single sum election and such election is approved by the Committee, the amount of the single sum payment shall be
determined as of the first day of the month coincident with or next following the payment date or attained age designated by the 

  
 14 

 
Participant in his election (which must be at least five years later than the date of his separation form service with the Company and all affiliates (the “Determination Date”). Such
Determination Date shall be the Benefit Commencement Date. 
 (c) The Committee may, in its sole discretion, permit Participants
to make a one-time election in accordance with the transition election rules described in Section 409A of the Code and the guidance thereunder. Pursuant to such election, a Participant may elect to receive his FAC Pension (i) in a single
sum payable following his retirement from employment with the Company and all affiliates at or after age 55; (ii) in a single sum payable at a specified date or attained age or, if later, within sixty (60) days of his retirement from
employment with the Company and all affiliates at or after age 55; or (iii) in a Joint and 75% Surviving Spouse’s Annuity, payable following his Early, Normal or Late Retirement date as provided in Sections 5.2, 5.3 or 5.4, as applicable.
The amount of such single sum shall be equal to the present value of the Participant’s FAC Pension determined as of the Determination Date as follows: If the Participant elects a single sum payment under clause (i) above, his Determination
Date shall be the first day of the month coincident with or next following the date of his retirement from employment and the single sum payment shall be paid within thirty (30) days of the Determination Date. If the Participant elects a single
sum payment at a specified date or attained age under clause (ii) above, his Determination Date shall be the first day of the month which next follows the month containing such date or attained age (or the date of his retirement from employment
if later) and the single sum payment shall be paid within thirty (30) days of the Determination Date. Such election must be made no later than December 31, 2008 and shall become effective six months after the date it is made. 

(d) The Committee may in its sole discretion pay the present value of a Participant’s FAC Pension in a single sum within thirty
(30) days following the date the annuity payments would otherwise commence if such present value is not more than the applicable dollar amount under Section 402(g)(1)(B) of the Code at the time the payment of the FAC Pension is scheduled
to commence (for 2008, this dollar amount is $15,500). 
 (e) For purposes of subsections (b), (c) and (d) above, the
present value of a Participant’s FAC Pension, as of the Determination Date or other date of reference, shall be determined by the Committee according to the actuarial assumptions used at such time by the Plan’s actuary for valuing the
Plan’s benefits for financial accounting and disclosure purposes. 

  
 15 

 ARTICLE VI 
 FUNDING 
 6.1 Source of Funding. 

(a) This Plan shall be unfunded, and payment of benefits hereunder shall be made from the general assets of the Company. Any such asset
which may be set aside, earmarked or identified as being intended for the provision of benefits hereunder shall remain an asset of the Company and shall be subject to the claims of its general creditors. Each Participant shall be a general creditor
of the Company to the extent of the value of his or her benefit accrued hereunder, but he shall have no right, title, or interest in any specific asset that the Company may set aside or designate as intended to be applied to the payment of benefits
under this Plan. 
 (b) Notwithstanding the foregoing, the Company may, in its discretion, establish an irrevocable grantor
trust for the purpose of funding all or part of its obligations under this Plan; provided however, that the terms of such trust require that the assets thereof remain subject to the claims of the Company’s judgment creditors in the event of
bankruptcy or insolvency and are non-assignable and non-alienable by any Participant or beneficiary prior to distribution thereof, and that such terms otherwise comply with such other requirements as the Internal Revenue Service may prescribe so
that the assets placed in such trust, and the income therefrom, do not constitute income to any participant or beneficiary until actual receipt thereof. 
 ARTICLE VII 
 ADMINISTRATION 

7.1 Administration by Committee. This Plan shall be administered by the Committee, which shall be responsible for the general
administration of the Plan under the policy guidance of the Board. The Committee is hereby designated as the Plan’s named fiduciary, as defined in ERISA. 
 7.2 Duties and Powers of Committee. In addition to the duties and powers described elsewhere hereunder, the Committee shall have the following specific duties and powers: 

(a) to retain such consultants, accounts, attorneys, and actuaries as may be deemed necessary or desirable to render statements, reports,
and advice with respect to the Plan and to assist the Committee in complying with all applicable rules and regulations affecting the Plan; any consultants, accountants, attorneys, and actuaries may be the same as those retained by the Company;

 (b) to decide appeals under this Article; 
 (c) to enact rules and regulations to carry out the provisions of the Plan; 
 (d)
to resolve questions or disputes relating to eligibility for benefits or the amount of benefits under the Plan; 

  
 16 

 (e) to construe and interpret the provisions of the Plan and supply any omissions in
accordance with the intent of the Plan; 
 (f) to decide all questions of eligibility for benefits under the Plan, to determine
the amount, manner and time of payment of any benefits hereunder, and to authorize the payment of benefits; 
 (g) to evaluate
administrative procedures; and 
 (h) to delegate such duties and powers as the Committee shall determine from time to time to
any person or persons. To the extent of any such delegation, the delegate shall have the duties, powers, authority and discretion of the Committee. 
 Any determinations made by the Committee pursuant to this Article shall be conclusive and binding on all parties. The Committee shall have sole discretion in carrying out its responsibilities. 

The expenses incurred by the Committee in connection with the operation of the Plan, including, but not limited to, the expenses incurred
by reason of the engagement of professional assistants and consultants, shall be paid by the Company and shall not affect the Participants’ right to or amount of benefits. 

7.3 Records. The Committee shall keep or cause to be kept records of all proceedings and actions, shall maintain all such books of
account, records, and other data as shall be necessary for the proper administration of the Plan. 
 7.4 Claims for
Benefits. 
 (a) If the Participant or the Participant’s beneficiary (hereinafter referred to as the
“Claimant”) is denied all or a portion of any expected benefit under this Plan for any reason, he may file a claim with the Committee. The Committee shall notify the Claimant within ninety (90) days of receipt of the claim of
allowance or denial of the claim, unless the claimant receives written notice from the Committee prior to the end of the 90-day period stating the special circumstances requiring an extension of time for decision and the date by which a final
decision shall be made. If a decision is not provided within 90 days, the claim is deemed denied, and the Claimant may proceed to request a review of the claim as described in subsection (b) below. The notice of a denial of benefits shall be in
writing, sent by mail to Claimant’s last known address, and shall contain the following information: the specific reasons for the denial; specific reference to pertinent provisions of the Plan on which the denial is based; if applicable, a
description of any additional information or material necessary to perfect the claim and an explanation of why such information or material is necessary; and explanation of the review procedure. 

(b) A Claimant is entitled to request a review of any denial of his claim by the Committee. The request for review must be submitted to
the Committee in writing within sixty days of mailing and notice of the denial. Absent a request for review within the sixty day period, the claim will be deemed to be conclusively denied. 

  
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 (c) The Claimant or his representative shall be entitled to review all pertinent documents
and to submit issues and comments in writing. The Committee in its sole discretion may afford the Claimant a hearing. The Committee shall render a review decision in writing within sixty days after receipt of a request for a review, provided that,
in special circumstances (such as to hold a hearing) the Committee may extend the time for decision by not more than sixty days upon written notice to the Claimant. The Claimant shall receive written notice of the Committee’s decision, which
shall contain specific reasons for the decision with reference to the pertinent provisions of the Plan. 
 (d) The filing of
litigation against the Company, the Committee or any of its agents concerning the granting or denial of Plan benefits will be deemed a waiver of all rights under the Plan. 
 ARTICLE VIII 
 AMENDMENT AND TERMINATION 

8.1 Amendment and Termination. The Company reserves the right to amend this Plan at any time and from time to time in any fashion,
and to terminate it at will; provided however, that no such amendment or termination may result in the reduction of the Accrued Benefit of any Participant as of the date of such amendment or termination. 

ARTICLE IX 

MISCELLANEOUS 

9.1 Nonalienation of Benefits. Except as hereinafter provided with respect to marital disputes, none of the benefits or rights of
a Participant or any beneficiary of a Participant shall be subject to the claim of any creditor, and in particular, to the fullest extent permitted by law, all such benefits and rights shall be free from attachment, garnishment or any other legal or
equitable process available to any creditor of the Participant or the beneficiary. Neither the Participant nor his Spouse shall have the right to alienate, anticipate, commute, pledge, encumber, or assign any of the benefits or payments which either
of them may expect to receive, contingently or otherwise, under this Plan. In cases of marital dispute, the Company will observe the terms of the Plan unless and until ordered to do otherwise by a state or Federal court. As a condition of
participation, a Participant agrees to hold the Company harmless from any claim that may arise out of the Company’s compliance with an order of any state or Federal court, whether such order effects a judgment of such court or is issued to
enforce a judgment or order of another court. 
 9.2 No Contract of Employment. Nothing contained herein shall be
construed as conferring upon any person the right to be employed or continue in the employ of the Company. 
 9.3 Applicable
Law. This Plan shall be governed and construed in accordance with the laws of the Commonwealth of Pennsylvania. 
 9.4
Section 409A Compliance. Notwithstanding any provision of this Plan to the contrary, any payment that is due upon retirement or termination of a Participant’s employment shall only be paid as provided to the Participant upon a
“separation from service” as defined in Section 409A of the Code. The provisions of this Plan shall be construed as necessary to conform to the requirements of Section 409A of the Code. 

  
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 9.5 Gender and Number. Except where otherwise indicated by the context, any masculine
terminology used herein shall also include the feminine and vice versa, and the definition of any term herein in the singular shall also indicate the plural, and vice versa. 
 9.6 Additional Benefits. In addition to the benefits provided under the other provisions of this Plan, any benefits authorized by the Company’s Board for employees who are members of a select
group of management or highly compensated employees which are not payable under the terms of any other Plan maintained by the Company shall be paid under this Plan at the times and in the manner authorized by the Board. 

IN WITNESS WHEREOF, the P.H. Glatfelter Company has caused this Plan, as amended and restated effective January 1, 2010, to be
executed this 12 day of March, 2010. 
  

							
	ATTEST:	 		 	P.H. GLATFELTER COMPANY
				
	 /s/ Gregory J. Paradiso
	 		 	By:	 	 /s/ William T. Yanavitch

	[Corporate Seal]	 		 		 	Vice President Human Resources and Administration

  
 19EX-10. (d)

 Exhibit 10 (d) 
 P.H. GLATFELTER COMPANY 
 SUPPLEMENTAL MANAGEMENT PENSION PLAN

 (formerly the Plan of Supplemental Retirement Benefits 

for the Management Committee) 
 (Amended and Restated Effective January 1, 2008) 
 Introduction

 The P.H. Glatfelter Company Supplemental Management Pension Plan (the “Plan”) was originally established
effective as of April 23, 1998, to provide certain supplemental retirement benefits to management employees of the Company who do not participate in the Company’s Supplemental Executive Retirement Plan (the “SERP”). The Plan
replaced the former Plan of Supplemental Retirement Benefits for the Management Committee. 
 Effective as of January 1,
2008, the Plan is amended and restated in its entirety to conform its provisions to the requirements of Section 409A of the Internal Revenue Code (the “Code”) and the final regulations thereunder. 

The Plan consists of two benefits. The first benefit is the “Management Incentive Plan Adjustment Supplement” as contemplated
by Section 8 of the Company’s Management Incentive Plan adopted as of January 1, 1994 and amended and restated effective December 18, 1997. This benefit is intended to supplement the basic monthly retirement pension payable under
the tax-qualified P.H. Glatfelter Company Retirement Plan for Salaried Employees (the “Retirement Plan”), to compensate for the fact that incentive awards under the Management Incentive Plan (the “MIP Award”) which a management
employee elects to defer in accordance therewith are not included as part of his compensation taken into account in determining his Retirement Plan benefit. Effective as of January 1, 2005, the Management Incentive Plan was amended and
restated, including to eliminate the option by which a management employee could elect to defer payment of part or all of his MIP Award. 

 The second benefit is a 3-year Early Retirement Supplement which may be provided to certain
management employees who elect to retire early, and who are not eligible to receive the Final Average Compensation Pension under the SERP. 
 The Plan is administered by the Employee Benefits Committee of the Company’s Board of Directors (the “Committee”), except for the determinations contemplated by Section 3 of this Plan,
which shall be made the Compensation Committee of the Company’s Board of Directors (the “Compensation Committee”). 
 It is intended that the Plan satisfy the requirements of an unfunded “top hat” deferred compensation plan as described in sections 201(2), 301(a)(3) and 401(a)(l) of ERISA. Consequently,
participation shall be limited to individuals who, in the determination of the Committee, are management employees or who are highly compensated employees for purposes of the foregoing provisions of ERISA. 

The Company therefore amends and restates the Supplemental Management Pension Plan effective as of January 1, 2008: 

1. Management Incentive Plan Adjustment Supplement 
 (a) The Company heretofore established its Management Incentive Plan, a program of annual incentive awards, for eligible management employees of the Company or The Glatfelter Pulp Wood Company. The
Management Incentive Plan (the “MIP”) was originally adopted as of January 1, 1994 and was amended and restated in its entirety December 18, 1997 (the “pre-2005 MIP”) and was again amended and restated in its entirety
effective January 1, 2005 (the “2005 MIP”). Under the terms of the pre-2005 MIP, participants received incentive awards (a “MIP Award”) that they were permitted to defer, in accordance with paragraph 7(a) of the Pre-2005
MIP, in whole or in part for payment at a designated future date. Such deferred MIP Award is not taken into account as “Compensation” for purposes of determining a 

  
 2 

 
participant’s benefit under the Glatfelter Retirement Plan for Salaried Employees (the “Retirement Plan”), a tax-qualified defined benefit pension plan. The 2005 MIP eliminated
this deferral feature. 
 (b) Subject to the following sentence and Section 3, each management employee of the Company or
The Glatfelter Pulp Wood Company who was a participant in the Pre-2005 MIP, shall be eligible to receive the Management Incentive Plan (MIP) Adjustment Supplement in accordance with this Section 1. Notwithstanding the foregoing, no management
employee shall be eligible for the MIP Adjustment Supplement who is also a participant in the P.H. Glatfelter Company Supplemental Executive Retirement Plan (the “SERP”). 

(c) The MIP Adjustment Supplement is intended to supplement the basic monthly retirement pension payable under the Retirement Plan with
respect to an eligible management employee who retires or terminates employment with the Company and all affiliates with vested normal or late retirement pension (“Retirement Pension”) from the Retirement Plan (a “Participant” or
“Management Participant”). Subject to subsection (d) in the case of a Participant who terminates employment with a deferred vested Retirement Pension, the amount of the MIP Adjustment Supplement shall be equal to the difference, if
any, between the Actuarial Equivalent present value of the basic monthly single-life annuity normal (or, if applicable, late) Retirement Pension payable with respect to the Participant under the Retirement Plan and the Actuarial Equivalent present
value of the basic monthly single-life annuity normal (or, if applicable, late) Retirement Pension which would have been payable under the Retirement Plan if the Participant’s compensation or earnings taken into account in determining his
Retirement Pension had not been reduced by incentive awards under the Pre-2005 MIP, which were deferred at his election in accordance with paragraph 7(a) of the Pre-2005 MIP (a “Deferred MIP Award”). “Actuarial Equivalent” means
of equal actuarial value on the basis of the interest rate and mortality table described in subsection (e). 

  
 3 

 (d) In the case of a Participant who terminates employment with the Company and all
affiliates on or after April 23, 1998 entitled to a deferred vested pension benefit from the Retirement Plan (but not an early, normal or late retirement pension), there shall not be taken into account in determining the amount of his MIP
Adjustment Supplement any Deferred MIP Award earned with respect to service on or after January 1, 1999. 
 (e) (1) The
amount of the MIP Adjustment Supplement shall be determined as of the first day of the month which next follows the month in which the Participant separates from service with Company and all affiliates (the “Determination Date”). Subject
to subsection (g), the MIP Adjustment Supplement shall be paid to the Participant in a single lump sum within thirty (30) days of the Determination Date, based on the interest rate and mortality table specified under the Retirement Plan for
single sum distributions with a benefit commencement date on the Determination Date. 
 (2) Notwithstanding the foregoing, a
Participant may make an election to postpone the payment of his MIP Adjustment Supplement to a later designated date or attained age (e.g. the date which is five years following the Participant’s separation from service). Such election must be
made in writing on a form specified by the Committee for such purpose, which must be received by the Committee at least twelve (12) months prior to the Participant’s separation from service with the Company and all affiliates, and must
operate to delay the payment of the MIP Adjustment Supplement for not less than five (5) years after the date the MIP Adjustment Supplement would otherwise have been paid or begun to be paid. In the event the Participant elects a delayed
payment date as aforesaid, his Determination Date shall be the first day of the month which next follows the month containing the designated date or attained 

  
 4 

 
age, and the MIP Adjustment Supplement shall be paid in a single sum within thirty (30) days of the Determination Date. In the event the Participant should die after his separation from
service but before such delayed payment date, the MIP Adjustment Supplement will be paid to the Participant’s estate within sixty (60) days following the date of death. 

(f) The Committee may, in its sole discretion, permit Participants to make a one-time election prior to December 31, 2008 in
accordance with the transition election rules described in Section 409A of the Code and the guidance thereunder. Pursuant to such election, and subject to subsection (g), a Participant may elect to receive his MIP Adjustment Supplement in the
form of (i) a single lump sum payable within sixty (60) days following his retirement or other separation from service with the Company and all affiliates, (ii) in a single lump sum payable at a specified date or attained age on or
after separation from service, but not later than the Participant’s attainment of age 65 (if such specified date or age precedes the Participant’s separation from service, then distribution shall be made within sixty (60) days of his
retirement or other separation from service with the Company and all affiliates), or (iii) in the form of a single life annuity for the lifetime of the Participant, beginning as of the first day of the month following the date he attains age 55
or, if later, retires or otherwise separates from service with the Company and all affiliates (the “Annuity Starting Date”). If the Participant elects a specified date or attained age under clause (ii) above, his Determination Date
shall be the first day of the month which next follows the month containing such date or attained age (or the date of his separation from service if later) and the MIP Adjustment Supplement shall be paid in a single lump sum within thirty
(30) days of the Determination Date. If the Participant’s benefit is paid as a single life annuity, then the amount of such annuity shall be determined in accordance with the actuarial assumptions used under the Retirement Plan as of the
Annuity Starting Date to calculate actuarial equivalence for such single life annuity. 

  
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 (g) Notwithstanding the foregoing, in the event a Participant is a “specified
employee” within the meaning of Treas. Reg. § 1.409A-1(i) as of the date of his retirement or other separation from service from the Company, then no payment shall be made to such Participant during the first six months following such
Participant’s retirement or other separation from service and any amounts that would otherwise be paid during such period shall be paid in a single lump sum on the first business day of the seventh month following the Participant’s
retirement or other separation from service. 
 (h) In the event that a management employee eligible for the MIP Adjustment
Supplement should be selected to participate in the SERP, no MIP Adjustment Supplement shall be paid to him and his supplemental deferred compensation benefits shall be paid exclusively from the SERP. 

2. Early Retirement Supplement. 
 (a) Subject to the following sentence and Section 3, (1) each employee eligible to participate, as of April 23, 1998, with respect to the Early Retirement Supplement under the Plan of
Supplemental Retirement Benefits for the Management Committee and (2) each other management employee who is assigned, as of April 23, 1998 or thereafter, to the Global Profit Center or the U.S. Corporate Profit Center of the Company, in
accordance with the procedures described in the MIP (a “Participant” or “Early Retirement Participant”) shall be eligible to receive the Early Retirement Supplement in accordance with this Section 2. Notwithstanding the
foregoing, no employee shall be eligible for the Early Retirement Supplement if he is also eligible for the Final Average Compensation Pension described in Article V of the SERP, or similar successor provision. 

(b) The Company will pay a monthly Early Retirement Supplement to an Early Retirement Participant who retires from employment with the
Company and all affiliates 

  
 6 

 
on or after age 55 but prior to his normal retirement date under the Retirement Plan (“Normal Retirement Date”), and who elects, under rules as may be prescribed by the Committee, to
defer commencement of his monthly pension benefit under the Retirement Plan to the earlier of the first day of the thirty-sixth month following his retirement or his Normal Retirement Date (the “Deferred Commencement Date”). 

(c) The amount of the monthly Early Retirement Supplement shall equal the monthly pension amount to which he would be entitled under the
Retirement Plan beginning on the Deferred Commencement Date if such Retirement Plan pension were paid in the form of a single life annuity in accordance with the terms of the Retirement Plan. 

(d) Subject to paragraphs (e) and (f), payment of the Early Retirement Supplement shall begin on the first day of the month
coincident with or next following the Participant’s early retirement and shall terminate on the day (“Termination Date”) which is the earlier of the first day of the month preceding his Normal Retirement Date or the date of the
thirty-sixth monthly payment of this Supplement. If the Participant dies before the Termination Date, payments shall cease, unless he is legally married on the date his Early Retirement Supplement began to be paid and he is survived by such spouse.
In that event, such surviving spouse will receive monthly payments in the amount described in the following sentence, beginning as of the month following the month in which the Participant’s death occurred and ending as of the first to occur of
(i) the first day of the calendar month in which the spouse dies, or (ii) the Termination Date. The amount of the monthly payments to the surviving spouse shall be equal to the monthly amount that would be payable to her following the
Participant’s death if the Early Retirement Supplement were determined under subsection (c) based on the Participant’s Retirement Pension payable in the form of a joint and [100%] surviving spouse’s annuity. 

  
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 (e) Notwithstanding anything herein to the contrary, in the event a Participant is a
“specified employee” within the meaning of Treas. Reg. § 1.409A-(1)(i) as of the date of his retirement or other separation from service that makes him eligible to receive the Early Retirement Supplement, then no payment shall be
made to such Participant during the first six months following such Participant’s retirement or other separation from service and any amounts that would otherwise be paid in a single lump sum on the first business day of the seventh month
following the Participant’s retirement or other separation from service. 
 (f) Notwithstanding the foregoing, if any Early
Retirement Participant or his surviving spouse elects to have monthly benefit payments under the Retirement Plan begin before the Termination Date, all payments under the Early Retirement Supplement shall cease as of the first day of the month
preceding the month in which such benefit payments begin. 
 3. Forfeiture of Benefit. 

(a) Notwithstanding any provision to the contrary herein, if a Participant who is receiving, or may be entitled to receive, the MIP
Adjustment Supplement and/or the Early Retirement Supplement should, without the prior consent of the Compensation Committee or its delegate, (1) become an employee, officer or a director of a competitor of the Company, or (2) use or
disclose Confidential Information (except as required in the performance of the Participant’s duties with the Company), then payments thereafter payable hereunder to such Participant or such Participant’s beneficiary will be forfeited and
neither the Company nor the Plan will have any further obligation hereunder to such Participant or his beneficiary. The Compensation Committee (or its delegate) in its sole and absolute discretion shall determine if another entity or person is a
“competitor” for purposes of this subsection, or if a Participant has used or disclosed Confidential Information which would cause the forfeiture of his benefit. 

  
 8 

 (b) For purposes of the foregoing, “Confidential Information” means information
which is not generally known to the public, which is used, developed, or obtained by the Company (or its affiliates) relating to its business and the businesses of its clients or customers including, without limitation: products or services; fees,
costs and pricing structures; marketing information; advertising and pricing strategies; analyses and reports; computer software including operating systems, applications and program listings; flow charts; manuals and documentation; databases;
accounting and business methods; inventions and new developments and methods, whether patentable or unpatentable and whether or not reduced to practice; all copyrightable works; the Company’s existing and prospective clients and customers and
their confidential information; existing and prospective client and customer lists and other data related thereto; billing and payment records; and all similar and related information in whatever form. 

4. Source of Funds. 
 (a) This Plan shall be unfunded, and payment of benefits hereunder shall be made from the general assets of the Company or The Glatfelter Pulp Wood Company, as applicable, who employs the Participant (the
“Employing Company”). Any such asset which may be set aside, earmarked or identified as being intended for the provision of benefits hereunder shall remain an asset of the Employing Company and shall be subject to the claims of its general
creditors. Each Participant entitled to benefits under this Plan shall be a general creditor of the Employing Company to the extent of the value of his benefit accrued hereunder, but he shall have no right, title, or interest in any specific asset
that the Employing Company may set aside or designate as intended to be applied to the payment of benefits under this Plan. 

(b) Notwithstanding the foregoing, the Company may, in its discretion, establish an irrevocable grantor trust for the purpose of funding
all or part of its obligations under 

  
 9 

 
this Plan; provided however, that the terms of such trust require that the assets thereof remain subject to the claims of the Company’s judgment creditors in the event of bankruptcy or
insolvency and are non-assignable and non-alienable by any Participant or beneficiary prior to distribution thereof, and that such terms otherwise comply with such other requirements as the Internal Revenue Service may prescribe so that the assets
placed in such trust, and the income therefrom, do not constitute income to any participant or beneficiary until actual receipt thereof. 
 5. Amendment and Termination. The Company reserves the right to amend this Plan at any time and from time to time in any fashion, and to terminate it at will; provided, however, that no such
amendment or termination shall, with respect to any Participant who has satisfied the eligibility requirements for the MIP Adjustment Supplement and/or Early Retirement Supplement, as applicable, as of the date of such amendment or termination,
reduce or eliminate such benefit to the extent accrued based on the Participant’s compensation and/or service determined as of the date of amendment or termination, subject to the terms and conditions set forth herein. 

6. Nonalienation of Benefits. Except as hereinafter provided with respect to marital disputes, none of the benefits or rights of a
Management Participant or Early Retirement Participant, or any beneficiary thereof, shall be subject to the claim of any creditor, and in particular, to the fullest extent permitted by law, all such benefits and rights shall be free from attachment,
garnishment or any other legal or equitable process available to any creditor of the Participant or beneficiary thereof. Neither the Participant nor his beneficiary shall have the right to alienate, anticipate, commute, pledge, encumber, or assign
any of the benefits or payments which either of them may expect to receive, contingently or otherwise, under this Plan. In cases of marital dispute, the Company will observe the terms of the Plan unless and until ordered to do otherwise by a state
or Federal court. As a condition of participation, each Participant agrees to 

  
 10 

 
hold the Company and his employing company, if different, harmless from any claim that may arise out of the Company’s compliance with an order of any state or Federal court, whether such
order effects a judgment of such court or is issued to enforce a judgment or order of another court. 
 7.
Administration. 
 (a) This Plan shall be administered by the Committee, which shall be responsible for the construction
and interpretation of the Plan and establishment of the rules and regulations governing Plan administration, under the policy guidance of the Company’s Board of Directors. The Committee is hereby designated as the Plan’s named fiduciary,
as defined in ERISA. 
 (b) In addition to the duties and powers described elsewhere hereunder, the Committee shall have the
following specific duties and powers: 
 (1) to retain such consultants, accountants, attorneys and actuaries as may be deemed
necessary or desirable to render statements, reports, and advice with respect to the Plan and to assist the Committee in complying with all applicable rules and regulations affecting the Plan; any consultants, accountants, attorneys and actuaries
may be the same as those retained by the Company; 
 (2) to decide all questions of eligibility for benefits under the Plan, to
determine the amount, manner and time of payment of any benefits hereunder, to authorize the payment of benefits, and to resolve all questions or disputes regarding claims for benefits, including appeals under this Article. 

(3) to delegate such duties and powers as the Committee shall determine from time to time to any person or persons. To the extent of any
such delegation, the delegate shall have the duties, powers, authority and discretion of the Committee. 

  
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 All determinations made by the Committee pursuant to this Article shall be conclusive and
binding on all parties entitled to or claiming benefits hereunder. The Committee shall have sole discretion in carrying out its responsibilities. 
 The expenses incurred by the Committee in connection with the operation of the Plan, including, but not limited to, the expenses incurred by reason of the engagement of professional assistants and
consultants, shall be paid by the Company and shall not affect the Participants’ right to or amount of benefits. 
 (c) the
Committee shall keep or cause to be kept records of all proceedings and actions, and shall maintain all such books of account, records, and other data as shall be necessary for the proper administrator of the Plan. 

(d) (1) If the Participant or the Participant’s beneficiary (hereinafter referred to as the “Claimant”) is denied all or a
portion of any expected benefit under this Plan for any reason, he may file a claim with the Committee. The Committee shall notify the Claimant within ninety (90) days of receipt of the claim of allowance or denial of the claim, unless the
claimant receives written notice from the Committee prior to the end of the 90-day period stating the special circumstances requiring an extension of time for decision and the date by which a final decision shall be made. If a decision is not
provided within 90 days, the claim is deemed denied, and the Claimant may proceed to request a review of the claim as described in paragraph (2) below. The notice of a denial of benefits shall be in writing, sent by mail to Claimant’s last
known address, and shall contain the following information: the specific reasons for the denial; specific reference to pertinent provisions of the Plan on which the denial is based; if applicable, a description of any additional information or
material necessary to perfect the claim and an explanation of why such information or material is necessary; and explanation of the review procedure. 

  
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 (2) A Claimant is entitled to request a review of any denial of his claim by the Committee.
The request for review must be submitted to the Committee in writing within sixty days of mailing and notice of the denial. Absent a request for review within the sixty day period, the claim will be deemed to be conclusively denied. 

(3) The Claimant or his representative shall be entitled to review all pertinent documents and to submit issues and comments in writing.
The Committee in its sole discretion may afford the Claimant a hearing. The Committee shall render a review decision in writing within sixty days after receipt of a request for a review, provided that, in special circumstances (such as to hold a
hearing) the Committee may extend the time for decision by not more than sixty days upon written notice to the Claimant. The Claimant shall receive written notice of the Committee’s decision, which shall contain specific reasons for the
decision with reference to the pertinent provisions of the Plan. 
 (4) The filing of litigation against the Company the
Committee or any of its agents concerning the granting or denial of Plan benefits will be deemed a waiver of all rights under the Plan. 
 8. Section 409A Compliance. Notwithstanding any provision of this Plan to the contrary, any payment that is due upon retirement or termination of a Participant’s employment shall only be
paid or provided to the Participant upon a “separation from service” as defined in Section 409A of the Code. The provisions of this Plan shall be construed as necessary to conform to the requirements of Section 409A of the Code.

 9. No Contract of Employment. Nothing contained herein shall be construed as conferring upon any person the right to
be employed or continue in the employ of the Company or any affiliate company. 

  
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 10. Applicable Law. This Plan shall be construed under the laws of the Commonwealth
of Pennsylvania. 
 IN WITNESS WHEREOF, the P.H. Glatfelter Company has caused this Plan as amended and restated effective
January 1, 2008, to be executed this 22 day of December, 2008. 
  

							
	ATTEST:	 		 	P.H. GLATFELTER COMPANY
				
	 /s/ Thomas G. Jackson
	 		 	By:	 	 /s/ William T. Yanavitch

	[Corporate Seal]	 		 		 	Vice President Human Resources and Administration

  
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