Arch Senior Executive Pension Plan, effective as of January 1, 2010



 Exhibit 10.14 
 ARCH SENIOR EXECUTIVE PENSION PLAN 
 Article I. The Plan 

1.1 Establishment of Plan. Effective as of February 8, 1999 Arch Chemicals, Inc. (the “Company” or
“Arch”) established a non-qualified deferred compensation plan known as the Arch Senior Executive Pension Plan (the “Plan”) for the benefit of certain salaried employees of Arch and other Employing Companies who may be eligible
to participate. 
 1.2 Purpose. The purpose of this Plan is to attract and retain a management group capable of assuring
Arch’s future success by providing them with supplemental retirement income under this Plan. This Plan is intended to be an unfunded, nonqualified deferred compensation plan for select management employees, as described in §§201(2)
and 301(a)(3) of the Employee Retirement Income Security Act (“ERISA”). The Plan is also intended to be a non-qualified deferred compensation plan which meets the requirements of §409A(a)(2), (3) and (4) of the Internal
Revenue Code (“Code”). 
 1.3 Eligibility and Participation. Any Arch Employee whose job is rated at
2,000 Hay Points (or the equivalent) or more and who is selected by the Board of Directors of the Company or the Compensation Committee of the Board (referred to in this Plan as the “Selection Committee”) shall participate in the Plan
(a “Participant”). As provided hereinafter, the Selection Committee shall also have the power to remove any Participant from the Plan, whether or not he or she has begun to receive benefits hereunder. Participation shall be effective as of
the date designated by the Selection Committee. 
 1.4 Plan Document. This Plan document describes the terms of the Plan
as of January 1, 2010. Prior Plan documents govern Plan administration for periods prior to January 1, 2010, and for all purposes for Participants or former Participants who commenced benefits under the Plan prior to January 1, 2010.

 Article II. Definitions 
 2.1 “Arch Supplementary and Deferral Pension Benefit Plan” means the Arch Supplementary and Deferral Pension Benefit Plan. No Participant in this Plan shall be eligible to accrue any additional
benefits under the Arch Supplementary and Deferral Pension Benefit Plan on or after the October 30, 2009. 
 2.2 A
“Change in Control” with respect to a Participating Employer that is organized as a corporation occurs on the date on which any of the following events occur (i) a change in the ownership of the Participating Employer; (ii) a
change in the effective control of the Participating Employer; (iii) a change in the ownership of a substantial portion of the assets of the Participating Employer. 
 (a) A change in the ownership of the Participating Employer occurs on the date on which any one person, or more than one person acting as a group, acquires ownership of stock of the Participating Employer
that, together with stock held by such person or group constitutes more than 50% of the total fair market value or total voting power of the stock of the Participating Employer. A change in the effective control of the Participating Employer occurs








 
on the date on which either (i) a person, or more than one person acting as a group, acquires ownership of stock of the Participating Employer possessing 30% or more of the total voting
power of the stock of the Participating Employer, taking into account all such stock acquired during the 12-month period ending on the date of the most recent acquisition, or (ii) a majority of the members of the Participating Employer’s
Board of Directors is replaced during any 12-month period by directors whose appointment or election is not endorsed by a majority of the members of such Board of Directors prior to the date of the appointment or election, but only if no other
corporation is a majority shareholder of the Participating Employer. A change in the ownership of a substantial portion of assets occurs on the date on which any one person, or more than one person acting as a group, other than a person or group of
persons that is related to the Participating Employer, acquires assets from the Participating Employer that have a total gross fair market value equal to or more than 80% of the total gross fair market value of all of the assets of the Participating
Employer immediately prior to such acquisition or acquisitions, taking into account all such assets acquired during the 12-month period ending on the date of the most recent acquisition. 

(b) An event constitutes a Change in Control with respect to a Participant only if the Participant performs services for the
Participating Employer that has experienced the Change in Control, or the Participant’s relationship to the affected Participating Employer otherwise satisfies the requirements of Treasury Regulation §1.409A-3(2)(i)(5)(ii). 

(c) The determination as to the occurrence of a Change in Control shall be based on objective facts and in accordance with the
requirements of Code §409A. 
 2.3 “Code” means the Internal Revenue Code of 1986, as amended from time to time.

 2.4 “Company” means Arch Chemicals, Inc., a Virginia corporation. 

2.5 “Disabled” or “Disability” shall mean, for purposes of crediting service under this Plan as provided in
Section 3.5 hereof, the same as “Disabled” for purposes of The Pension Plan of Arch Chemicals. 
 2.6
“Employing Company” means any company which has adopted this Plan and is included within the definition of an Employing Company under the terms of The Pension Plan of Arch Chemicals. 

2.7 “Married” means the Participant has a Spouse, as defined below. 

2.8 “Olin” means Olin Corporation, a predecessor in interest to Arch Chemicals. In conjunction with establishing this Plan,
Arch assumed the liabilities of Olin for the provision of benefits to Participants who, immediately prior to February 8, 1999 (the “Distribution Date”) were participants in the Olin Senior Executive Pension Plan as in effect on the
Distribution Date and who, as of the Original Effective Date of this Plan transferred to, and became employed by, Arch or an affiliated company. 
 2.9 “Pension Plan of Arch Chemicals” means The Pension Plan of Arch Chemicals as in effect on January 1, 2009, and thereafter, provided that no amendment to the Pension Plan of Arch
Chemicals shall be given effect for purposes of this Plan to the extent such amendment may 

  
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or will result in a direct or indirect change to the time or form of any payment hereunder, except as permitted under Code §409A and related regulations. 

2.10 “Plan Administrator” shall mean the Pension Administration and Review Committee of Arch Chemicals, Inc. 

2.11 “Plan Year” shall mean each calendar year. 
 2.12 “Qualified Plan Pension Benefit” is a Participant’s benefit under the Pension Plan of Arch Chemicals. 
 2.13 “Retires” or “Retirement” means, except as provided in Section 3.6, hereof, the Participant has had a Normal Retirement Date or a Deferred Vested Retirement Date, as further
described in Article III, below. 
 2.14 “Retirement Date” means the date as of which benefits are scheduled to
begin or be paid pursuant to Sections 3.3, 3.4 or 3.5. 
 2.15 “Separation from Service” means a termination of
employment with the Company, as defined for purposes of Code §409A. 
 (a) Except as noted below with respect to asset
sales, the Plan Administrator will determine, in accordance with Code §409A, whether a Separation from Service has occurred. Except in the case of a Participant on a bona fide leave of absence as provided below, a Participant is deemed to have
incurred a Separation from Service if the Company and the Participant reasonably anticipated that the level of services to be performed by the Participant after a date certain would be reduced to 20% or less of the average services rendered by the
Participant during the immediately preceding 36-month period (or the total period of employment, if less than 36 months), disregarding periods during which the Participant was on a bona fide leave of absence. 

(b) An Employee who is absent from work due to military leave, sick leave, or other bona fide leave of absence shall incur a Separation
from Service on the first date immediately following the later of (i) the six-month anniversary of the commencement of the leave, or (ii) the expiration of the Employee’s right, if any, to reemployment under statute or contract.
Notwithstanding the preceding, however, with respect to an Employee who is absent from work due to a physical or mental impairment that is expected to result in death or last for a continuous period of at least six months and that prevents the
Employee from performing the duties of his or her position of employment or a similar position, the twenty-nine-month anniversary of the commencement of leave shall be substituted for the six-month anniversary in (i) in the preceding sentence.

 (c) For purposes of determining whether a Separation from Service has occurred, the Company means the Company and any
Affiliate, except that for purposes of determining whether another organization is an Affiliate of the Company, common ownership of at least 50% shall be determinative. Affiliate means a corporation, trade or business that, together with the
Company, is treated as a single employer under Code §414(b) or (c). 

  
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 (d) The Company specifically reserves the right to determine whether a sale or other
disposition of substantial assets to an unrelated party constitutes a Separation from Service with respect to a Participant providing services to the seller immediately prior to the transaction and providing services to the buyer after the
transaction. Such determination shall be made in accordance with the requirements of Code §409A. 
 2.16 “Specified
Employee” means an employee who, as of the date of his or her Separation from Service, is a “key employee” of the Company or any Affiliate, any stock of which is actively traded on an established securities market or otherwise. An
employee is a key employee if he or she meets the requirements of Code §416(i)(1)(A)(i), (ii), or (iii) (applied in accordance with applicable regulations thereunder and without regard to Code §416(i)(5)) at any time during the
12-month period ending on the Specified Employee Identification Date. Such Employee shall be treated as a key employee for the entire 12-month period beginning on the Specified Employee Effective Date. 

For purposes of determining whether an Employee is a Specified Employee, the compensation of the Employee shall be determined in
accordance with the definition of compensation provided under Treas. Reg. §1.415(c)-2(d)(3) (wages within the meaning of Code §3401(a) for purposes of income tax withholding at the source, plus amounts excludible from gross income under
Code §§125(a), 132(f)(4), 402(e)(3), 402(h)(1)(B), 402(k) or 457(b), without regard to rules that limit the remuneration included in wages based on the nature or location of the employment or the services performed); provided, however,
that, with respect to a nonresident alien who is not a Participant in the Plan, compensation shall not include compensation that is not includible in the gross income of the Employee under Code §§872, 893, 894, 911, 931 and 933, provided
such compensation is not effectively connected with the conduct of a trade or business within the United States. 

Notwithstanding anything in this paragraph to the contrary, (i) if a different definition of compensation has been designated by the
Company with respect to another nonqualified deferred compensation plan in which a key employee participates, the definition of compensation shall be the definition provided in Treas. Reg. §1.409A-1(i)(2), and (ii) the Company may through
action that is legally binding with respect to all nonqualified deferred compensation plans maintained by the Company, elect to use a different definition of compensation. In the event of corporate transactions described in Treas. Reg.
§1.409A-1(i)(6), the identification of Specified Employees shall be determined in accordance with the default rules described therein, unless the Employer elects to utilize the available alternative methodology through designations made within
the timeframes specified therein. Specified Employee Effective Date means the first day of the fourth month following the Specified Employee Identification Date, or such earlier date as is selected by the Plan Administrator. Specified Employee
Identification Date means December 31, unless the Employer has elected a different date through action that is legally binding with respect to all nonqualified deferred compensation plans maintained by the Employer. 

2.17 “Spouse” shall mean the person to whom a Participant is validly married at the date of the Participant’s death and to
whom the Participant was validly married for at least 12 months immediately prior to the Participant’s death, as evidenced by a marriage certificate 

  
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issued in accordance with state law and as recognized under federal law. Common law marriages shall not be recognized hereunder. 

Article III. Benefits 
 3.1 Benefits; In General. Benefits are payable hereunder upon the first to occur of the following: 
 (a) a Participant’s Normal Retirement Date, as provided in Section 3.3; or 
 (b) a Participant’s Deferred Vested Retirement Date, as provided in Section 3.4. 
 In
addition, (i) benefits may be payable in the event of a Change of Control (see Section 3.7, below), and (ii) pre-retirement survivor benefits may be payable in the event a Participant dies prior to qualifying for Retirement (see
Section 3.6(b), below). 
 3.2 Benefit Formula. 

(a) A Participant’s Retirement Benefit, calculated as of the Participant’s Separation from Service date, shall equal the
Retirement Benefit calculated under Formula A below, or, on and after October 30, 2009, the greater of the Retirement Benefit payable under Formula A or Formula B, below. 
 Formula A. The Retirement Benefit calculated in accordance with Formula A shall equal X minus Y. For purposes of Formula A, X is the lesser of (i) or (ii), below, multiplied by the
Participant’s Average Compensation. 
 (i) three percent (3%), multiplied by the sum of the
Participant’s Years of Benefit Service credited while a Participant in this Plan and the Olin Senior Executive Pension Plan, plus one and one-half percent (1-1/2%) multiplied by his aggregate Years of Benefit Service credited under
the Pension Plan of Arch Chemicals (including Years of Benefit Service credited under the Olin Employees Pension Plan) while the employee was not a Participant in either this Plan or the Olin Senior Executive Pension Plan, provided that the
resulting percentage of Average Compensation shall be reduced by one-third of one percent (1/3%) for each month by which the Participant’s benefits under this Plan begin prior to the Participant’s sixty-second
(62nd) birthday; or 
 (ii) fifty percent (50%). 

For purposes of Formula A, Y is the sum of: 
 (1) the value of the Participant’s Qualified Plan Pension Benefit; plus 
 (2) the value of the Participant’s Supplemental Pension Benefit payable from the Arch Supplementary and Deferral Pension Plan; plus 

  
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 (3) fifty percent (50%) of the Participant’s Primary Social
Security Benefit. 
 A Participant who is eligible to accrue a benefit under Formula A shall be fully vested in such benefit. 

Formula B. The Retirement Benefit calculated in accordance with Formula B shall equal X minus Y. For purposes of Formula B, X is the
lesser of (i) or (ii), below, multiplied by the Participant’s Average Compensation. 
 (i) two percent (2%), multiplied by the Participant’s Years of Benefit Service credited under the Pension Plan of Arch Chemicals, reduced by one-third of one percent (1/3%) for each month
by which the Participant’s benefits under this Plan begin prior to the Participant’s
sixty-fifth (65th) birthday; or 

(ii) sixty percent (60%), reduced by one-third of one percent (1/3%) for each month by which
the Participant’s benefits under this Plan begin prior to the Participant’s sixty-fifth (65th) birthday. 
 For purposes of Formula B, Y is the sum of: 

(1) the value of the Qualified Plan Pension Benefit payable to the Participant; and 

(2) the value of the Supplemental Pension Benefit payable to the Participant pursuant to the Arch Supplementary and
Deferral Pension Benefit Plan; and 
 (3) fifty percent (50%) of the Participant’s Primary
Social Security Benefit. 
 Notwithstanding the foregoing, a Participant shall not vest in a benefit under Formula B until the earliest of the
following dates: (a) the date the Participant attains at least age 55 and has at least 10 Years of Benefit Service credited while a Participant in this Plan; (b) the date the Participant attains age 65; (c) the
date the Participant qualifies for benefits under an executive severance plan on account of an involuntary separation from service without cause, provided the Participant is then at least age 55; (d) the date determined by the Selection
Committee, in its discretion, provided the Participant is then at least age 62; or (e) if the Participant dies prior to Retirement, the day preceding the Participant’s date of death. Until such time as a Participant vests in a
benefit, his or her benefit under Formula B shall be deemed to be zero. 
 Special Accrual Rule for Certain Participants.
Notwithstanding the foregoing, if so determined by the Selection Committee, a Participant whose benefit would otherwise be determined under Formula A who continues to work past age 62 shall be entitled to an enhanced benefit, in lieu of the benefit
computed under Formula A, computed as the greater of X or Y. 

  
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 For purposes of this special accrual rule, X is the sum of: 

(I) the value of the Participant’s Retirement Benefit determined under Formula A, above, computed as though the
Participant had a Separation from Service on the date the Participant attains age 62 and had elected to have such benefit paid in the form of a single lump sum, plus interest thereon (at the municipal AAA 10 year bond rate as of the date the
Participant attains age 62) compounded annually from age 62 to the Participant’s Benefit Commencement Date; plus 
 (II) the value of a Retirement Benefit based on a percentage multiplied by the Participant’s Average Compensation, where the percentage is the excess (if any) of the prevailing percentage calculated
under Formula B (i) or (ii), above, over the prevailing percentage calculated under Formula A (i) or (ii), above, determined as of the Participant’s Benefit Commencement Date. 
 For purposes of the Special Accrual Rule, Y is the Participant’s Retirement Benefit determined under Formula B above. 
 For purposes of the Special Accrual Rule, if the municipal AAA 10 year bond rate cannot be reasonably determined, a comparable rate determined by the Plan Administrator in consultation with the
Plan’s actuary shall be used. 
 (b) For purposes of determining a Participant’s “Average Compensation,”
“Years of Benefit Service,” “Retirement Allowance” and “Primary Social Security Benefit” under this Plan, except as otherwise provided in this paragraph (b), such terms shall be as defined in The Pension Plan of
Arch Chemicals and take into account compensation and service (including periods of Disability, but only to the extent provided in Section 3.5 hereof) credited to such Participant while employed by Arch and its affiliates, as well as by Olin
and its affiliates. In calculating a Participant’s Average Compensation under this Plan, (i) “Average Compensation” shall also include severance and deferred amounts of regular salary and deferrals under management incentive
plans (other than the Performance Unit Plan, the EVA Bonus Bank or similar bonus bank arrangements, and other long-term incentive and long-term bonus plans of Olin and Arch); (ii) executive severance which is payable to certain Participants
under employment agreements shall be treated as if paid over the number of months of salary used to calculate the amount of such severance, even if such severance is received in a lump sum; and (iii) Average Compensation shall be calculated
without regard to the dollar limitations imposed by Code Section 401(a)(17). In calculating a Participant’s “Years of Benefit Service,” service imputed as a result of treating any executive severance paid as having been received
over the number of months used to calculate such severance shall be included. 
 (c) The annual retirement benefits payable
under The Pension Plan of Arch Chemicals and the Arch Supplementary and Deferral Pension Benefit Plan which are to be used to reduce the benefit payable under Formula A and Formula B, above, shall be determined assuming that the Participant began
receiving benefits thereunder at the date on which benefits commence under this Plan pursuant to Sections 3.3 or 3.4 regardless of when such benefits actually commence. 

  
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 3.3 Normal Retirement Benefits. 

(a) Normal Retirement Benefits are payable upon a Participant’s Normal Retirement Date, which is the date of a
Participant’s Separation from Service, other than on account of death, at any time on or after reaching his or her fifty-fifth (55th) birthday, or the Participant’s fifty-fifth birthday if the special service crediting rules of
Section 3.3(b) apply. 
 (b) For purposes of (i) determining whether a Participant has reached his
or her fifty-fifth (55th) birthday and, thus, is
eligible for benefits under this Section 3.3 instead of on a deferred vested basis, and (ii) calculating the annual Retirement Allowance from The Pension Plan of Arch Chemicals which is to be used as an offset, any Participant who has
completed at least seven (7) Years of Creditable Service (as defined in The Pension Plan of Arch Chemicals, but taking into account service with Olin and its affiliates, as well as service with Arch and its affiliates) and who is at least age
fifty-two (52) on the date he or she has a Separation from Service other than (i) for cause or (ii) as a result of a voluntary termination, shall be treated as continuing as an eligible Employee until the date on which the Participant
reaches age fifty-five (55). Such service shall be imputed for the sole purposes of determining whether the Participant meets the age and service requirements for Normal Retirement Benefits, and shall not be treated as “Benefit
Service” for the purpose of calculating the amount of the benefit under this Plan. In no event will Normal Retirement Benefits commence in accordance with this subsection (b) until the Participant actually attains age fifty-five (55).

 3.4 Deferred Vested Benefits. Deferred Vested Retirement Benefits are payable upon a Participant’s Deferred
Vested Retirement Date if the Participant has a Separation from Service other than on account of death prior to having reached age fifty-five (55) and does not qualify for Normal Retirement Benefits under Section 3.3(b), above. A
Participant’s Deferred Vested Retirement Date is the date such Participant attains age fifty-five (55). In the case of a Deferred Vested Participant, benefits paid from this Plan will be calculated assuming that the Participant will
commence benefits under The Pension Plan of Arch Chemicals on the date on which benefits commence under the Plan, regardless of when such benefits actually commence. 
 3.5 Disability Benefits. In the event that a Participant becomes Disabled, the Participant shall be credited with service and compensation under this Plan for the period of Disability in the same
manner as service and compensation is credited for a Disabled non-collectively bargained employee who participates in The Pension Plan of Arch Chemicals until such time as the Participant has a Separation from Service or is no longer Disabled and
returns to work. No Participant shall qualify for Disability service credit hereunder if such Participant becomes Disabled after he or she is no longer actively employed by Arch or its affiliates. 

  
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 3.6 Survivor Benefits. 

(a) Post-Retirement Benefits. If benefits are being paid in the form of a single life annuity, they shall cease as of the
Participant’s death. If benefits are being paid in the form of a joint and 50% survivor life annuity, after the Participant’s death benefits will continue only if the joint annuitant survives the Participant. If a Participant dies after
Retirement but prior to the date all payments have been made pursuant to an election of the Lump Sum or Three Installments form of benefit, the first year annuity payments, the lump sum and/or the remaining installments, as the case may be, shall be
paid to the Participant’s designated beneficiary, provided that if there is no beneficiary designation on file with the Plan Administrator, or no designated beneficiary survives the Participant, such remaining benefits shall be paid to the
Participant’s estate (or a distributee of the Participant’s estate, as designated by the estate’s legal representative). 
 (b) Pre-Retirement Benefits Prior to October 30, 2009. Prior to October 30, 2009, pre-retirement death benefits shall be paid only to a surviving Spouse, and if a Participant does not
have a surviving Spouse, no pre-retirement death shall be payable hereunder. Prior to October 30, 2009, the surviving Spouse of any Participant who dies prior to Retirement shall be entitled to receive a benefit equal to 50% of the benefit that
the Participant would have been entitled to had the Participant terminated employment on the day preceding the Participant’s date of death and survived to the earliest date on which he or she could commence benefits hereunder, commenced Life
Annuity benefits under the Plan in the form of a joint and 50% survivor annuity, and then died the next day. Such benefit shall be paid as of the date that would have been the Participant’s Benefit Commencement Date had the Participant survived
to what would have been his or her Retirement Date (based on a Separation from Service on his or her date of death). 
 (c)
Pre-Retirement Benefits On and After October 30, 2009. On and after October 30, 2009, a pre-retirement death benefit equal in value to 100% of the value of the benefit that the Participant would have been entitled to had the
Participant terminated employment on the day preceding death and survived to the earliest date on which such Participant could commence benefits hereunder, shall be paid in the form of an actuarially equivalent life annuity to the Participant’s
designated beneficiary (or beneficiaries). Notwithstanding the foregoing, and subject to Section 4.2 hereof, on and after October 30, 2009, any Participant may elect to have his or her pre-retirement death benefit paid to his or her
designated beneficiary (or beneficiaries) in the actuarially equivalent Lump Sum form of payment (as described in Section 4.1(a)(ii), hereof). The pre-retirement death benefit shall be paid as of the date that would have been the
Participant’s Benefit Commencement Date had the Participant survived to what would have been his or her Retirement Date (based on a Separation from Service on his or her date of death). If the Participant has elected to have benefits paid in
the Lump Sum form of payment and there is no beneficiary designation on file with the Plan Administrator, or no designated beneficiary survives the Participant, the benefits shall be paid to the Participant’s estate (or a distributee of the
Participant’s estate, as designated by the estate’s legal representative). If the Participant has not elected to have benefits paid in the Lump Sum form of payment and there is no beneficiary designation on file with the Plan
Administrator, or no designated beneficiary survives the Participant, then this benefit shall lapse and be forfeited. 

  
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 3.7 Benefits Upon a Change of Control. 

(a) Lump Sum Payment Upon a Change of Control. Notwithstanding any other provision of the Plan, upon a Change in Control, each
Participant covered by the Plan shall automatically be paid a lump sum amount in cash by the Company sufficient to purchase an annuity which shall provide the Participant with the same monthly after-tax benefit (as determined by the Plan
Administrator in consultation with the Plan’s actuary) as the Participant would have received under the Plan based on the benefits accrued to the Participant hereunder as of the date of the Change in Control. Payment under this
Section shall not in and of itself terminate the Plan, but such payment shall be taken into account in calculating benefits under the Plan which may otherwise become due the Participant thereafter. Payment shall be made within 30 days of the
Change in Control and in no event may a Participant designate (directly or indirectly) the taxable year of the payment. 
 (b)
No Divestment Upon a Change of Control. If a Participant is removed from participation in the Plan after a Change of Control has occurred, in no event shall the Participant’s Years of Benefit Service accrued prior to such removal, and
the benefit accrued prior thereto, be adversely affected. 
 3.8 Non-Duplication of Benefits. In the event that any part
or all of the benefits to which a Participant is entitled under this Plan are distributed to such Participant and such Participant at any time thereafter again becomes employed by the Company or otherwise is or becomes eligible to accrue a benefit
hereunder, any benefits to which such Participant may become entitled to under this Plan shall be reduced by the actuarial equivalent of the benefits previously distributed so that in no event shall a Participant receive a duplication of benefits
under the Plan. 
 Article IV. Payment of Benefits 

4.1 Retirement Benefit Distributions. 
 (a) Forms of Benefit. Prior to a Participant’s effective date of participation in the Plan and any other non-account balance plan required to be aggregated with this Plan pursuant to Treas.
Reg. §1.409A-1(c)(2)(i)(C), the Selection Committee shall designate the time and form of distribution of such Participant’s Retirement Benefits hereunder from among the following actuarially equivalent options, each of which shall be
deemed to be a single payment for purposes of the subsequent deferral rules of Section 4.2, below: 
 (i)
Life Annuity. If a Participant is not Married as of his or her Benefit Commencement Date, benefits shall be paid in the form of a single life annuity, with benefits paid monthly for the life of the Participant, commencing as of the
Participant’s Benefit Commencement Date. If a Participant is Married as of his or her Benefit Commencement Date, benefits shall be paid in the form of a joint and 50% survivor annuity with benefits paid monthly for the life of the Participant
commencing as of the Participant’s Benefit Commencement Date and continuing for the life of the Spouse at a 50% reduced amount if the Spouse survives the Participant. The amount payable in the form of a joint and 50% survivor annuity will be
multiplied by a factor which for benefits 

  
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determined under Formula A or, if the Participant is at least age 62, Formula B will be one (1), and in all other cases will be an actuarially equivalent reduction factor. Notwithstanding the
foregoing, if a Participant’s Spouse is more than four years younger than the Participant, the factor in the preceding sentence shall be adjusted so that the present value of the surviving Spouse lifetime benefit is the same that it would have
been if the Spouse were only four years younger than the Participant. 
 (ii) Lump Sum. Monthly life
annuity benefits, calculated as provided in (i), above, as of the Participant’s Retirement Date, and commencing as of the Participant’s Benefit Commencement Date, will be paid until the first anniversary of the Participant’s
Benefit Commencement Date, at which time the lump sum present value of the remaining annuity payments (determined in accordance with Section 4.3(a), hereof) shall be distributed in a single lump sum. 

(iii) Three Installments. Monthly life annuity benefits, calculated as provided in (i), above,
as of the Participant’s Retirement Date, and commencing as of the Participant’s Benefit Commencement Date, will be paid until the first anniversary of the Participant’s Benefit Commencement Date, at which time one third of the lump
sum present value of the remaining annuity payments (determined in accordance with Section 4.3(a), hereof) shall be distributed. Twelve months thereafter another one-third of the lump sum present value of the annuity payments (determined as of
the date of the 1st installment payment), plus simple
interest thereon (at the municipal AAA 10 year bond rate as of the date of the 1st installment payment), shall be distributed, and twenty-four months thereafter, the final one-third of the lump sum present value of the annuity payments (determined as of the date of the 1st installment), plus simple interest thereon (at the municipal AAA 10
year bond rate as of the date of the 2nd installment
payment), shall be distributed. If the municipal AAA 10 year bond rate cannot be reasonably determined, a comparable rate determined by the Plan Administrator in consultation with the Plan’s actuary shall be used. 

If the Selection Committee fails to designate a form of payment prior to the effective date of a Participant’s participation in this Plan or in any
other non-account balance plan required to be aggregated with this Plan pursuant to Treas. Reg. §409A-1(c)(2)(i)(C), or for any other reason a Participant does not have a benefit distribution election or designation on file with the Plan
Administrator, benefits shall be paid in the Lump Sum form of benefit described in (ii), above. 
 (b) Lump Sum Cash-Out.
Notwithstanding paragraph (a), above, the Plan Administrator may, in its sole discretion which shall be evidenced in writing no later than the date of payment, elect to pay the value of a Participant’s benefit upon a Separation from
Service in a single lump sum if the value of such benefit is not greater than the applicable dollar amount under Code §402(g)(1)(B), provided the payment represents the complete liquidation of the Participant’s interest in the Plan
(including any other deferred compensation plan that is required to be aggregated with this Plan for this purpose). 
 (c)
Benefit Commencement Date. A Participant’s Benefit Commencement Date shall be the first of the month immediately following the Participant’s Retirement Date (“Benefit Commencement Date”), unless the Participant has elected
a later date as permitted in accordance 

  
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with Section 4.2, below, in which case the Participant’s Benefit Commencement Date shall be the date elected pursuant to Section 4.2. Notwithstanding the foregoing, at any time the
Company is publicly traded on an established securities market (as defined for purposes of Code §409A) and a distribution is to be made to a Specified Employee (as defined for purposes of Code §409A(a)(2)(B)(i)) on account of a Separation
from Service, no distribution shall be made to the Specified Employee on account of such Separation from Service before the date which is six months after the date of the Specified Employee’s Separation from Service, or, if earlier, the date of
death of the Specified Employee (the “Distribution Restriction Period”). To the extent that such Specified Employee would otherwise have been entitled to benefits hereunder during the Distribution Restriction Period, such amounts shall be
accumulated, without interest, and paid in a single sum, on the first day of month following the end of the Distribution Restriction Period. 
 (d) Acceleration of or Delay in Payments. The Selection Committee, in its sole and absolute discretion, may elect to accelerate the time or form of payment of a benefit owed to the Participant
hereunder, provided such acceleration is permitted under Treas. Reg. §1.409A-3(j)(4). The Selection Committee may also, in its sole and absolute discretion, delay the time for payment of a benefit owed to the Participant hereunder, to the
extent permitted under Treas. Reg. §1.409A-2(b)(7). 
 4.2 Change of Benefit Distribution Elections. A
Participant may change his or her Benefit Distribution Election by filing a subsequent written election with the Plan Administrator, provided, however, that: 

(a) such subsequent election is approved by the Selection Committee, in its discretion; 

(b) such subsequent election does not take effect until at least 12 months after the date on which the subsequent election
is made; 
 (c) except with respect to the payment of a death benefit, pursuant to such subsequent election
payment is deferred for a period of not less than 5 years from the date payment would otherwise have been made or commenced; and 
 (d) with respect to any election relating to a distribution to be made (or commence) as of a specified date (or pursuant to a fixed schedule), the subsequent election is made not less than 12 months prior
to the date of the first scheduled payment. 
 Furthermore, no change of election shall permit the acceleration of the time or schedule of any
payment under the Plan, except as may be provided by regulation or other guidance issued pursuant to Code §409A(a)(3). This paragraph is intended to be (and shall be interpreted to be) consistent with Code §409A(a)(3), Code
§409A(a)(4)(C) and related guidance. 
 4.3 Actuarial Assumptions. 

(a) Present Value of Lump Sum. In determining the actuarial present value of any lump sum or installment payable hereunder, the
benefit shall be determined: 

  
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 (i) as of the close of the Plan Year in which the Participant Retires;

 (ii) using an annuity purchase rate based upon a discount rate equal to the lower of municipal AAA 10 year
bond rate (or, if such rate cannot be reasonably determined, a comparable rate determined by the Plan Administrator in consultation with the Plan’s actuary) determined as the Participant’s Retirement Date or 15 business days prior to the
date that the lump sum or initial installment payment is to be made; and 
 (iii) assuming that the benefit
commences under the Plan 
 (1) on the first of the month following the Participant’s
55th birthday, if the Participant terminates service prior
to age fifty-five (55); and 
 (2) on the Participant’s Benefit Commencement Date, if the Participant
terminates service (or is treated as terminating service) on or after attaining age fifty-five (55). 
 (b) Other
Determinations. All other actuarial determinations under the Plan shall be made using the actuarial equivalent factors and other assumptions specified in The Pension Plan of Arch Chemicals. 

4.4 Removal from the Plan; Non-Payment of Benefits. 
 (a) Any Participant may be removed from the Plan by the Selection Committee at any time “for cause” as determined by the Selection Committee in its sole discretion, whether or not the
Participant has begun to receive payments under the Plan, and whether or not the Participant’s employment has been terminated. “Cause” shall include, without limitation, rendering services in any capacity to a competitor of the
Company or an Employing Company or soliciting any managerial employee of the Company or an Employing Company to leave the employ of the Arch (whether to work for a competitor of the Company or an Employing Company or otherwise), in any such case
without the consent of the Selection Committee and while employed by Arch or for a period of two years thereafter. Neither the Participant nor his or her Spouse or other beneficiary shall be entitled to receive any payments from the Plan from and
after the date of the removal of the Participant and all amounts previously paid hereunder shall be promptly repaid to the Company upon demand. Neither the Participant nor his or her Spouse or other beneficiary shall have any cause of action as a
result of such removal or demand for repayment. 
 (b) The Selection Committee may notify a Participant that he or she is being
suspended from the Plan as a result of job performance which the Selection Committee, in its sole discretion, deems unsatisfactory. From and after the date of such notification, and notwithstanding the Participant’s actual Hay Points, he or she
will not be deemed to have 2,000 or more Hay Points for purposes of calculating the Participant’s Retirement Allowance. Any prior Years of Benefit Service shall not be affected by such suspension. 

  
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 Article V. Funding 

5.1 Unfunded Plan. This Plan shall be unfunded. All payments under this Plan shall be made from the general assets of Arch and
other Employing Companies. 
 5.2 Liability for Payment. Arch and each other Employing Company shall pay the benefits
provided under this Plan with respect to Participants who are employed, or were formerly employed by it during their participation in the Plan. In the case of a Participant who was employed by more than one Employing Company, the Committee shall
allocate the cost of such benefits among such Employing Companies in such manner as it deems equitable. The obligations of the Employing Company shall not be funded in any manner. The rights of any person to receive benefits under this Plan are
limited to those of a general creditor of the Employing Company liable for payment hereunder. 
 5.3 Anti-alienation.
Except as provided in a domestic relations order (within the meaning of Code §414(p)(1)(B)), no Participant or beneficiary shall have the right to assign, transfer, encumber or otherwise subject to any lien any payment or any other interest
under this Plan, nor shall such payment or interest be subject to attachment, execution or levy of any kind. 
 Article VI.
Plan Administration 
 6.1 Plan Administrator. The Company has appointed the Pension Administration and Review
Committee as the Plan Administrator (the “Plan Administrator” or “Committee”). Any person, including, but not limited to, the directors, shareholders, officers and employees of the Company, shall be eligible to serve on the
Committee. Any person so appointed shall signify his acceptance by undertaking the duties assigned. Any member of the Committee may resign by delivering written resignation to the Company. The Company may also remove any member of the Committee
by delivery of a written notice of removal, which shall take effect upon delivery or on a date specified. Upon resignation or removal of a Committee member, the Company shall promptly designate in writing such other person or persons as a
successor. 
 6.2 Majority Actions; Allocation and Delegation. The Committee shall act by majority vote, but may
authorize one or more of members to sign all papers on behalf of the Committee. The Committee members may allocate responsibilities among themselves, and shall notify the Company in writing of such action and the responsibilities allocated to each
member. 
 6.3 Powers, Duties and Responsibilities. Except for those powers expressly reserved to the Selection
Committee, the Plan Administrator shall have all power to administer the Plan for the exclusive benefit of the Participants and their beneficiaries, in accordance with the terms of the Plan. The Plan Administrator shall have the absolute discretion
and power to determine all questions arising in connection with the administration, interpretation and application of the Plan. Any such determination by the Plan Administrator shall be conclusive and binding upon all persons. The Plan Administrator
may correct any defect or reconcile any inconsistency in such manner and to such extent as shall be deemed necessary or advisable to carry out the purposes of the Plan; provided, however, that such interpretation or construction shall be done in a
non-discriminatory manner and shall be consistent with the intent of the Plan. 

  
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 The Plan Administrator shall: 

(a) compute the amount and kind of benefits to which any Participant shall be entitled hereunder; 

(b) maintain all necessary records for the administration of the Plan; 

(c) interpret the provisions of the Plan and make and publish such rules for regulation of the Plan as are consistent with
the terms hereof; 
 (d) assist any Participant regarding his rights, benefits or elections available under the
Plan; and 
 (e) communicate to Participants and their beneficiaries concerning the provisions of the Plan.

 6.4 Records and Reports. The Plan Administrator shall keep a record of all actions taken and shall keep such other
books of account, records and other information that may be necessary for proper administration of the Plan. The Plan Administrator shall file and distribute all reports that may be required by the Internal Revenue Service, Department of Labor or
others, as required by law. 
 6.5 Appointment of Advisors. The Plan Administrator may appoint accountants, actuaries,
counsel, advisors and other persons that it deems necessary or desirable in connection with the administration of the Plan. 

6.6 Claims Procedures; Arbitration. 
 (a) Any person or entity (hereinafter referred to as “Claimant”) claiming a benefit, requesting an interpretation or ruling under the Plan, or requesting information under the Plan shall present
the request in writing to the Plan Administrator, which shall respond in writing as soon as practical, but in no event later than ninety (90) days after receiving the initial claim (or no later than forty-five (45) days after receiving the
initial claim regarding Disability under this Plan). 
 (b) If the claim or request is denied, the written notice of denial
shall state: 
 (i) the reasons for denial, with specific reference to the Plan provisions on which the denial is
based; 
 (ii) a description of any additional material or information required and an explanation of why it is
necessary, in which event the time periods indicated in subsection (a), above, shall be one hundred and eighty (180) and seventy-five (75) days from the date of the initial claim respectively; and 

(iii) an explanation of the Plan’s claim review procedure. 

  
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 (c) Any Claimant whose claim or request is denied or who has not received a response within
ninety (90) days (or forty-five (45) days in the event of a claim regarding Disability) may request a review by notice given in writing to the Compensation Committee. Such request must be made within sixty (60) days (or one hundred
and eighty (180) days in the event of a claim regarding a Disability) after receipt by the Claimant of the written notice of denial, or if no denial has been issued, the end of the period during which a response should have been made
pursuant to Section 6.6(a) or (b) above. The claim or request shall be reviewed by the Compensation Committee which may, but shall not be required to, grant the Claimant a hearing. On review, the Claimant may have representation, examine
relevant documents, and submit issues and comments in writing. 
 (d) The decision on review shall normally be made within sixty
(60) days (or forty-five (45) days in the event of a claim regarding Disability) after the Compensation Committee’s receipt of the Claimant’s claim or request. If an extension of time is required for a hearing or other special
circumstances, the Claimant shall be notified and the time limit shall be one hundred twenty (120) days (or ninety (90) days in the event of a claim regarding Disability). The decision shall be in writing and shall state reasons supporting
the decision and the relevant Plan provisions. All decisions on review shall be final and bind all parties concerned. 
 (e)
Notwithstanding the foregoing, any dispute or controversy arising under or in connection with the Plan subsequent to a Change in Control shall be settled exclusively by arbitration in Connecticut, in accordance with the rules of the American
Arbitration Association then in effect. Judgment may be entered on the arbitrator’s award in any court having jurisdiction. 
 6.7 Indemnification of Members. The Company shall indemnify and hold harmless any member of the Committee and of the Selection Committee from any liability incurred in his or her capacity as such
for acts which he or she undertakes in good faith as a member of such Committee. 
 Article VII. Termination and Amendment

 7.1 Amendment or Termination. The Company may amend the Plan at any time, in whole or in part, by action of its
Board of Directors, the Compensation Committee of the Board or any other duly authorized committee or officer. Any Employing Company may withdraw from participation in the Plan at any time. No amendment of the Plan or withdrawal therefrom by an
Employing Company shall adversely affect the vested benefits payable hereunder to any Participant for service rendered prior to the effective date of such amendment or withdrawal. Notwithstanding the foregoing, the Company, by action taken by its
Board of Directors, may terminate the Plan and pay Participants and beneficiaries their accrued benefits in a single lump sum at any time, to the extent and in accordance with Treas. Reg. §1.409A-3(j)(4)(ix). 

Article VIII. Miscellaneous 
 8.1 Gender and Number. Whenever any words are used herein in the masculine, feminine or neuter gender, they shall be construed as though they were also used in another gender in all cases where
such would apply, and whenever any words are used herein in the 

  
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singular or plural form, they shall be construed as though they were also used in another form in all cases where they would so apply. 

8.2 Action by the Company. Whenever the Company under the terms of this Plan is permitted or required to do or perform any act or
thing, it shall be done and performed by an officer or committee duly authorized by the Board of Directors of the Company. 

8.3 Headings. The headings and subheadings of this Plan have been inserted for convenience of reference only and shall not be used
in the construction of any of the provisions hereof 
 8.4 Uniformity and Non Discrimination. All provisions of this Plan
shall be interpreted and applied in a uniform, nondiscriminatory manner. 
 8.5 Governing Law. To the extent that state
law has not been preempted by the provisions of ERISA or any other laws of the United States heretofore or hereafter enacted, this Plan shall be construed under the laws of the State of Connecticut. 

8.6 Employment Rights. Nothing in this Plan shall confer any right upon any Employee to be retained in the service of the Company
or any of its affiliates. 
 8.7 Incompetency. In the event that the Plan Administrator determines that a Participant is
unable to care for his affairs because of illness or accident or any other reason, any amounts payable under this Plan may, unless claim shall have been made therefor by a duly appointed guardian, conservator, committee or other legal
representative, be paid by the Plan Administrator to the Participant’s spouse, child or parent or any other person deemed by the Plan Administrator to have incurred expenses for such Participant, and such payment so made shall be a complete
discharge of the liabilities of the Plan therefor. 

  
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 IN WITNESS WHEREOF, Arch Chemicals, Inc. has caused this Plan to be
adopted by the Compensation Committee of its Board of Directors on December 2, 2010 and executed by a duly authorized officer on the 26th day of January, 2011. 

 

			
	 ARCH CHEMICALS, INC.

		
	 By:
	 	 /s/ William Anthony Sandonato

		 	         Name: William Anthony Sandonato

		 	         Title: Vice President, Human Resources




  
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