Document:

AMENDED AND RESTATED EXECUTIVE DEFERRED COMPENSATION PLAN

 Exhibit 10(ll) 
  
 MARSHALL & ILSLEY CORPORATION 
 AMENDED AND RESTATED 
 EXECUTIVE DEFERRED COMPENSATION PLAN 
 as of January 15, 2004 
  
 ARTICLE I 
  
 Establishment of Plan and Purpose 
  
 1.01. Establishment of Plan. Marshall & Ilsley Corporation has established the Marshall & Ilsley Executive Deferred Compensation Plan, effective as of January 1, 1997 (the “Plan”). 

 
 1.02. Purpose of Plan. The Plan shall permit a select group of
senior management and highly compensated employees to enhance the security of themselves and their beneficiaries following the termination of their employment with the Companies (as defined herein) by deferring until that time a portion of the
compensation which may otherwise be payable to them at an earlier date (including the deferral of stock option gains and receipt of restricted stock). By allowing key management employees to participate in the Plan, the Company expects the Plan to
benefit it in attracting and retaining the most capable individuals to fill its executive positions in the Companies. 
  
 The parties intend that the arrangements described herein be unfunded for purposes of Title I in the Employee Retirement Income Security Act as amended
from time to time. 
  
 ARTICLE II 
  
 Definitions and Construction 
  
 As used herein, the following words shall have the following meanings:

  
 2.01. Definitions. 
  
 (a) Accounts. The accounts maintained for each Participant pursuant
to Article V, below. 
  
 (b) Administrator. The person or
persons selected pursuant to Article VIII below to control and manage the operation and administration of the Plan. 
  
 (c) Beneficiaries. Those persons designated by a Participant to receive benefits hereunder or, failing such a designation, the spouse or, if none,
the Estate of a Participant. 
  
 (d) Change of Control.
Change of Control shall have the same meaning as in the Marshall & Ilsley Corporation 2003 Executive Stock Option and Restricted Stock Plan. 

 (e) Committee. The Compensation and Human Resources Committee of the Board of Directors of the
Company. 
  
 (f) Common Stock. The authorized and issued or
unissued $1.00 par value common stock of the Company. 
  
 (g)
Companies. Marshall & Ilsley Corporation and any subsidiary thereof now or hereinafter created. 
  
 (h) Company. Marshall & Ilsley Corporation, a Wisconsin corporation, or a successor thereof. 
  
 (i) Company Contributions. The amount contributed or credited by the
Company to the account of the Participant pursuant to Section 4.05 hereof. 
  
 (j) Compensation. The total of the Participant’s base salary, commissions, bonuses, and incentive pay which shall include amounts deferred by the Participant under this Plan or any other employee benefit
plan of the Company. In all cases, Compensation shall include only compensation paid while an employee is a Participant in the Plan. Compensation shall not include any severance or salary continuation payments. 
  
 (k) Disability. Disability as defined in the Company’s Long-Term
Disability Income Plan. 
  
 (l) Employee. An employee of
any one or more of the Companies. 
  
 (m) Employment.
Employment with any one or more of the Companies. 
  
 (n) Fair
Market Value. The closing sale price of the Common Stock on the New York Stock Exchange as reported in the Midwest Edition of the Wall Street Journal for the applicable date; provided that, if no sales of Common Stock were made on
said exchange on that date, “Fair Market Value” shall mean the closing sale price of the Common Stock as reported for the next succeeding day on which sales of Common Stock are made on said exchange, or, failing any such sales, such other
market price as the Committee may determine in conformity with pertinent law and regulations of the Treasury Department. 
  
 (o) Investment Election. The form filed by the Participant from time to time, substantially in the form of Exhibit A hereto, which designates the
Participant’s investment choices. 
  
 (p) Net Shares.
Net Shares means the difference between the number of shares of Common Stock subject to a stock option for which an election has been made pursuant to Section 4.02 hereof, and the number of shares of Common Stock delivered, directly or by
attestation, to satisfy the stock option exercise price. The value of the Common Stock for purposes of determining the number of Net Shares shall be Fair Market Value. 
  

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 (q) Participants. Such senior management and highly compensated Employees whom the Administrator
has identified as eligible to defer Compensation hereunder and who elect to participate by deferring Compensation. 
  
 (r) Plan. The Marshall & Ilsley Corporation Executive Deferred Compensation Plan, as stated herein and as amended from time to time.

  
 (s) Plan Year. The period beginning on January 1, 1997
and ending on December 31, 1997, and each 12-month period ending on each subsequent December 31. 
  
 (t) Restricted Shares. An award of stock under an Executive Stock Option and Restricted Stock Plan of the Company, or any similar plan, which may
contain transferability or forfeiture provisions (including a requirement of future services), all as set forth in an award agreement. 
  
 (u) Restricted Units. Units held in a Participant’s Account B which are received upon surrender of Restricted Shares and have the same
transferability or forfeiture provisions (including the requirement of future services) as the Restricted Shares surrendered in exchange therefor. Each Restricted Unit represents one share of Common Stock. 
  
 (v) Retirement. As to each Participant, the termination of his
employment on or after attaining age 55, other than by reason of death or Disability, with at least 10 years of Service. 
  
 (w) Service. As to each Participant, the period during which he has been employed by one or more of the Companies, including such period of time
that he was employed by a predecessor in interest to one of the Companies. 
  
 (x) Unforeseeable Emergency. An Unforeseeable Emergency is a severe financial hardship to a Participant resulting from a sudden and unexpected illness or accident of the Participant or of a dependent (as
defined in Section 152(a) of the Internal Revenue Code) of the Participant or loss of the Participant’s property due to casualty or other similar extraordinary and unforeseeable circumstances arising as a result of events beyond the control of
the Participant. 
  
 2.02. Construction. The laws of the
State of Wisconsin, as amended from time to time, without giving effect to their conflict of laws provisions, shall govern the construction and application of this Agreement. Words used in the masculine gender shall include the feminine and words
used in the singular shall include the plural, as appropriate. The words “hereof,” “herein,” “hereunder” and other similar compounds of the word “here” shall refer to the entire Agreement, not to a particular
section. All references to statutory sections shall include the section so identified as amended from time to time or any other statute of similar import. If any provisions of the Internal Revenue Code, Employee Retirement Income Security Act or
other statutes or regulations render any provisions of this Plan unenforceable, such provision shall be of no force and effect only to the minimum extent required by such law. 
  

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 ARTICLE III 
  
 Eligibility 
  
 3.01. Conditions of Eligibility. The Administrator shall, from time to time, specify the senior management and highly compensated Employees
eligible to participate herein. Eligibility to participate in the Plan for one Plan Year does not guarantee eligibility for a subsequent Plan Year. 
  
 3.02. Commencement of Participation. An individual identified as eligible to participate in the Plan for that Plan Year shall commence
participation, by either (a) electing a deferral of Compensation, (b) electing a deferral of Net Shares, or (c) surrendering Restricted Shares for Restricted Units, on the applicable form provided by the Administrator, in accordance with the
procedures established by this Plan and the Administrator. 
  
 3.03. Termination of Participation. An individual’s right to (a) defer Compensation, (b) defer Net Shares (including exercise of the associated option) or (c) surrender Restricted Shares for Restricted Units hereunder shall
cease as of the earlier of the (i) the termination of his Employment or (ii) failure of the Administrator to designate him as an Employee eligible to participate herein. 
  
 ARTICLE IV 
  
 Deferrals and Company Contributions 
  
 4.01. Amount and Manner of Deferral of Compensation. A Participant must sign and return the Deferral Election, substantially in the form of Exhibit
B hereto, to the Company, no later than the date specified by the Company, indicating the amount of the Participant’s salary or other Compensation for such Plan Year which he elects to defer hereunder, which election shall become irrevocable
immediately upon commencement of such Plan Year. A Participant may defer (i) any portion not to exceed eighty percent (80%) of his base salary or (ii) up to 100% of his incentive or (iii) both, provided, however, that (a) the
Participant may not defer less than $5,000 in a Plan Year and (b) the Participant’s deferral election for a Plan Year shall relate to Compensation earned by him during such Plan Year whether or not paid during that Plan Year. 
  
 If a Participant elects to defer a portion of his salary, the Company shall
reduce the Participant’s regular salary by an equal amount in each pay period during the Plan Year of deferral. If a Participant elects to defer all or a portion of his incentive, the Company shall reduce each such Compensation payment by the
percentage or dollar amount elected by the Participant. 
  
 4.02.
Amount and Manner of Deferral of Net Shares. A Participant must sign and return an Election to Defer Stock Option Gains, substantially in the form of Exhibit C hereto, to the Company, no later than the date specified by the Company,
containing the information requested, which election shall become irrevocable immediately upon return to the Company. 
  

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 4.03. Amount and Manner of Deferral of Restricted Stock Units. A Participant must return a
Restricted Stock Unit Agreement, substantially in the form of Exhibit D hereto, to the Company, no later than the date specified by the Company, containing the information requested, which agreement shall become irrevocable immediately upon return
to the Company. 
  
 4.04. Cessation of Deferral. In the
event of an Unforeseeable Emergency, a Participant may request in writing that deferrals of Compensation elected by that Participant hereunder cease for the then current Plan Year. Such Unforeseeable Emergency must inflict hardship upon the
Participant and must arise from causes beyond the Participant’s control. The Administrator shall, in its reasonable judgment, determine whether such an Unforeseeable Emergency exists. Circumstances that will constitute an Unforeseeable
Emergency shall depend on the facts of each case, consistent with the provisions of Treasury Regulation Section 1.457-2(h)(4) and (5). If the Administrator determines that such an Unforeseeable Emergency exists, the deferrals of Compensation for
such Plan Year shall cease as to the Participant. If the Administrator determines that no such emergency exists, the deferrals shall continue as originally elected. If a Participant, consistent with this paragraph, ceases deferrals in a Plan Year,
the Participant may not resume deferrals of Compensation hereunder (if otherwise eligible therefore) until the second Plan Year following the Plan Year in which such cessation occurred. 
  
 4.05. Other Contributions. In the event that deferrals made by a Participant pursuant to this Plan cause a reduction
in the contributions by the Company for the benefit of that Participant to any other qualified or nonqualified retirement plan maintained by the Company, and such reduction is not contributed or credited to any other nonqualified retirement plan,
the Company shall credit to the Participant’s account under this Plan an amount equal to such net reductions in benefits. If, as a result of limitations contained in Sections 401(a)(17) and/or 415 of the Internal Revenue Code of 1986, as
amended, or as a result of amounts deferred under the Plan, the contributions made to the profit sharing component of the retirement program of the Company on behalf of a person eligible to participate in the Plan are reduced, the Company shall
credit an amount equal to such reduction to an account established for such person (the “SERP Account”). The SERP Account shall be a separate bookkeeping account and shall vest once the person has five years of vesting service as
determined under the profit sharing component of the retirement program of the Company, taking into account service prior to the date hereof. Aside from the vesting requirement, the SERP Account shall be treated for all purposes of the Plan in the
same manner as other Accounts. In addition, to the extent any amounts owing to a Participant under any incentive compensation plan are in excess of amounts which would be deductible by the Company under Section 162(m) of the Internal Revenue Code of
1986, as amended, and the Committee requires that such excess amounts be deferred, such amounts shall be credited to the Participant’s Account A, as provided below in Section 5.01. 
  
 ARTICLE V 
  
 Accounts 
  
 5.01. Establishment of Accounts. Only for the purpose of measuring payments due Participants hereunder, the Company shall maintain on behalf of
each Participant two Accounts: Account A and Account B. All amounts deferred pursuant to Sections 4.01 and 4.05 shall be 
  

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 credited to Account A, which shall be denominated in cash. All amounts deferred pursuant to Sections 4.02 and 4.03 shall
be credited to Account B, which shall be denominated in shares of Common Stock. 
  
 5.02. Nature of Accounts. The Accounts hereunder and assets, if any, acquired by the Company to measure a Participant’s benefits hereunder, shall not constitute or be treated for any reason as a trust for,
property of or a security interest for the benefit of, a Participant, his Beneficiaries or any other person. Participant and the Company acknowledge that the Plan constitutes a promise by the Company to pay benefits to the Participants or their
Beneficiaries, that Participants’ rights hereunder (by electing to defer Compensation, Net Shares or Restricted Units hereunder) are limited to those of general unsecured creditors of the Company and that the establishment of the Plan,
acquisition of assets to measure Participant’s benefits hereunder or deferral of all or any portion of a Participants’ Compensation, Net Shares or Restricted Units hereunder does not prevent any property of the Company from being subject
to the right of all the Company’s creditors. The Company shall contribute all contributions hereunder to a trust created by the Company which will conform in all material respects to the terms of the Internal Revenue Service’s model trust,
as described in Revenue Procedure 92-64. 
  
 5.03. Maintenance
of Account A. 
  
 a. Accounts shall be reconciled on a
quarterly basis. The Company shall increase the Account A of each Participant by (i) the amount, if any, of his Compensation deferred during any calendar quarter, (ii) the amount, if any, contributed by the Company pursuant to Section 4.05
hereof and (iii) any income or gains resulting as if the Account A, computed in accordance with subsection b, below, were invested pursuant to the timely-filed Investment Election in effect for such quarter and decrease each
Participant’s Account A by (iv) any withdrawals or distributions from the Account A during any calendar quarter and (v) any losses resulting as if the Account A, computed in accordance with subsection b, below, were invested pursuant to the
timely-filed Investment Election in effect for such calendar quarter. 
  
 b. For purposes of computing the investment return on the Account A for any quarter, the principal balance as of the first day of the relevant quarter shall equal the balance as of the end of the preceding quarter, increased by 50% of the
Participant’s and the Company’s contributions, if any, made to the Account A during the quarter pursuant to Sections 4.01 and 4.05 hereof, and decreased by any distributions made to the Participant or his Beneficiaries during the quarter.

  
 5.04. Maintenance of Account B. 
  
 a. Accounts shall be reconciled on a quarterly basis. The Company shall
increase the Account B of each Participant by (i) the amount, if any, of the Net Shares deferred upon the exercise of a nonstatutory stock option by the Participant, (ii) the amount, if any, of the Restricted Units deferred by the Participant
(Net Shares and Restricted Units being hereafter referred to as “Credited Shares”), and (iii) to the extent Credited Shares are held on the record date for any dividend, a number of additional Credited Shares resulting from the
reinvestment of dividends on a common investment date, which will typically be any of the first five business 
  

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 days after the payment of the dividend, determined in the sole discretion of an independent brokerage agent. The Company
shall decrease each Participant’s Account B by (iv) any withdrawals or distributions from the Account B during any calendar quarter and (v) any Restricted Units which fail to vest because the Participant forfeits the Restricted Units.
Consistent with the treatment of Restricted Stock, any dividends credited as regards Restricted Units shall not be forfeited, even if the Participant later forfeits the Restricted Units. In the event of any distribution with respect to Common Stock
other than a cash dividend, stock split, stock dividend or similar transaction, each Participant’s Account B shall be credited with a number of additional shares or other consideration as determined by the Committee in its sole discretion. In
the event of a Change in Control, a Participant’s Account B shall be credited with the same amount and type of consideration which a shareholder of the Company would have received holding the same number of shares of Common Stock as are held in
the Participant’s Account B at the time of the payment of the consideration. If there is a shareholder election as to the type of consideration received in a Change in Control, a Participant’s Account B will be credited with consideration
assuming that the Participant elected the maximum amount of stock which is available to electing shareholders, adjusted for any proration required because of over-subscription. 
  
 5.05. Investment Elections for Account A. 
  
 a. A Participant may file an Investment Election setting forth his investment preferences used to value his Account A. The
initial investment options available to Participants are (i) the Moody’s A Long-Term Corporate Bond Rate (the “fixed rate investment option”) adjusted annually to equal the average yield for the month of September of the previous year
and (ii) the total return of the Standard & Poor’s 500 Index for the applicable quarter. All investment elections must be in increments of 10%. If a Participant does not file an Investment Election, the Account shall be deemed to be
invested in the fixed rate investment option. The Participant may change his investment preferences as of January 1 or July 1 in any year by delivering to the Company a new Investment Election at least 15 days prior to such effective date.

  
 b. A Participant’s Account shall reflect only the
performance of such investment indices and the Participant shall have no property right or security interest in the actual investment performance of any assets invested by the Company to provide for the payment of benefits under this Plan.

  
 c. Upon a Change of Control, the Company, the Administrator or
any successor thereto, may not change the investment choices available to Participants hereunder without the consent of a majority of the holders of Account balances under the Plan. 
  
 5.06. Change of Accounts. Once amounts have been allocated to Account A or Account B, these amounts must remain in
Account A or B until such amounts are distributed to the Participant pursuant to Article VII hereof. 
  

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 ARTICLE VI 
  
 Vesting 
  
 Subject to the rights of the Company’s creditors as set forth in Section 5.01 above, the Account of a Participant, including all earnings accrued
thereto, shall at all times be fully vested. Notwithstanding the foregoing, Restricted Units will not become vested until all forfeiture provisions (including the requirement of future services) have been met. If such forfeiture provisions are not
met, the Restricted Units shall be forfeited and shall be subtracted from the applicable Account. 
  
 ARTICLE VII 
  
 Distributions 
  
 7.01. For Reasons Other Than
Death. In the event that the value of a Participant’s Accounts exceeds $25,000 in total as of the quarter-end preceding his termination of employment, the Company shall pay an amount equal to the balance of a Participant’s Accounts to
him in accordance with his choice on the form of Payment Election, substantially in the form attached hereto as Exhibit E. A Participant may make a separate Payment Election for Account A and Account B. Distributions from Account A shall be in cash
and distributions from Account B shall be in Common Stock. 
  
 If
a Participant’s employment terminates on or after age 55, other than because of death or Disability, and he has completed at least ten years of Service, he may elect to have his Account balance distributed in accordance with one or more of the
following methods, in accordance with the provisions and limitations contained in the Form of Payment Election, as amended from time to time. 
  

	 	(a)	In a lump sum on or before February 15 of the year after the Participant’s employment terminates. 

  

	 	(b)	In monthly installments, starting on January 1st of the year after the Participant’s employment terminates, over 5 years using the declining balance method, computed
annually. 

  

	 	(c)	In monthly installments, starting on January 1st of the year after the Participant’s employment terminates, over 10 years using the declining balance method, computed
annually. 

  

	 	(d)	In monthly installments, starting on January 1st of the year after the Participant’s employment terminates, over 15 years using the declining balance method, computed
annually. 

  

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	 	(e)	In monthly installments, starting on January 1st of the sixth year after the Participant’s employment terminates, over 5 years using the declining balance method,
computed annually. 

  

	 	(f)	In monthly installments, starting on January 1st of the sixth year after the Participant’s employment terminates, over 10 years using the declining balance
method, computed annually. 

  
 Notwithstanding the
foregoing provisions of this Section 7.01, if the Participant’s employment terminates (i) prior to age 55, (ii) on or after age 55 because of death or Disability, or (iii) on or after age 55 with less than ten years of Service, and he has
elected pay-out pursuant to one of the monthly installment options above, his Account balance will be paid in monthly installments, starting on January 1st of the year after his employment terminates, over 5 years, regardless of his election. In
addition, notwithstanding the foregoing, Common Stock from Account B will be paid out on an annual basis starting on February 15 in the year after the Participant’s employment terminates. Finally, a Participant’s election to have his
Account paid out using more than one method will be respected, except that any monthly installment election will be limited to the five-year period set forth in the first sentence of this paragraph. 
  
 A Participant may change his Form of Payment Election at any time, however
the change will only be effective if filed at least one year prior to his termination of Employment, except in the case of the initial election under the Plan. Notwithstanding any other provision of this Section 7.01 and any election previously made
by the Participant, in the event that the value of the Accounts of the Participant is less than $25,000 as of the quarter-end preceding the termination of Employment, any distribution to a Participant shall be in the form of a lump sum on or before
February 15 of the year after the Participant’s employment terminates. If a Participant does not timely file a Form of Payment Election, he will be deemed to have elected payment in a lump sum. If a Participant files only one Form of Payment
Election, it will be deemed to cover both Account A and Account B, unless the Participant otherwise designates. 
  
 7.02. Upon Death. 
  
 a. Upon a Participant’s death, any balance remaining in his Accounts shall be paid by the Company in accordance with his Form(s) of Payment Election
except that such payments shall be made to the Beneficiary or Beneficiaries specified by the Participant or, if none, to his surviving spouse or, if none, to his Estate. Each Participant may designate a Beneficiary or Beneficiaries to receive the
unpaid balance of his Accounts upon his death and may revoke or modify such designation at any time and from time to time by submitting to the Administrator a Beneficiary Designation substantially in the form attached hereto as Exhibit D.

  
 b. If a Participant’s death occurs prior to the payment
of any amounts to him hereunder, other than payments for emergencies, the Participant’s Beneficiaries shall receive payments in accordance with Section 7.01 hereof. 
  
 c. If a Participant designates multiple Beneficiaries as either primary or contingent Beneficiaries, and one of the
Beneficiaries has predeceased the Participant, the deceased 
  

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 Beneficiary’s share shall go to the Beneficiary’s Estate. For example, if a Participant designates his spouse
as the sole primary beneficiary and his three children as equal contingent beneficiaries, and if the spouse and one child predecease the Participant, the two children would each get one-third of the distributions from the Accounts and the
predeceased child’s one-third share would go to his Estate. The spouse’s Estate would be entitled to nothing. 
  
 d. If a Beneficiary survives a Participant but dies prior to receipt of the entire amount in the Accounts due him, the Company shall make payments to the
Estate of the Beneficiary in accordance with the Form of Payment Election. For example, if the Participant’s spouse is his primary Beneficiary and his three children are his contingent Beneficiaries, and if the spouse survives the Participant
such that she is receiving distributions pursuant to the terms of this Plan, but dies prior to the receipt of all distributions to which she is entitled, any remaining distributions shall be paid to the spouse’s Estate and not to the contingent
beneficiaries. 
  
 7.03. Emergencies. In the event of an
Unforeseeable Emergency either before or after the commencement of payments hereunder, a Participant or Beneficiary may request in writing that all or any portion of the benefits due him under Account A hereunder be paid prior to the normal time for
payment of such amount. The Administrator shall, in its reasonable judgment, determine whether the applicant could not address the emergency through reimbursement or compensation by insurance or otherwise, by liquidation of other assets (provided
such liquidation, in itself, would not create a financial hardship) or by ceasing deferrals hereunder. Only if the Administrator determines that such an Unforeseeable Emergency exists, the Company shall pay to the Participant or Beneficiary, as the
case may be, an amount equal to the lesser of (a) the amount requested or (b) the amount reasonably necessary to alleviate the hardship. The Administrator shall use its reasonable discretion to determine when the payments shall be made and shall
immediately reduce the balance in the recipient’s Account [A] by the amount of such payment. 
  
 7.04. Upon a Change in Control. The Administrator may allow Participants to make a separate distribution election for Account A and/or Account B in
the event of a Change of Control under certain circumstances, provided, that, the period over which distributions may be made shall in no event be longer than that applicable to the Participant under Section 7.01. A Participant may
change his payment election at any time, however the change will only be effective if filed at least one year prior to the Change in Control, except in the case of a Change in Control which occurs prior to December 31, 2004, in which event any
election filed by December 31, 2003 will be effective. Notwithstanding any other provision of this Section 7.04 and any election previously made by the Participant, in the event that the value of the Accounts of the Participant is less than $25,000
as of the quarter-end preceding the Change in Control, any distribution to a Participant shall be in the form of a lump sum on or before February 15 of the year after the Change in Control. If a Participant does not timely file a separate payment
election in the event of a Change in Control, he will be deemed to have elected the same distribution schedule as the timely filed Form of Payment Election for Account A. If no such election has been timely filed, then he will be deemed to have
elected payment in a lump sum. 
  

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 ARTICLE VIII 
  
 Administration of the Plan 
  
 8.01. Appointment of Separate Administrator. The Committee shall, in writing, appoint a separate Administrator. Any person including, but not
limited to, an Employee, shall be eligible to serve as Administrator. Two or more persons may form a committee to serve as Administrator. Persons serving as Administrator may resign by written notice to the Committee and the Committee may appoint or
remove such persons. An Administrator consisting of more than one person shall act by a majority of its members at the time in office. An Administrator consisting of more than one person may authorize any one or more of its members to execute any
document or documents on behalf of the Administrator, in which event the Administrator shall notify the Committee of the member or members so designated. The Committee shall accept and rely upon any document executed by such member or members as
written revocation of such designation. No person serving as Administrator shall vote or decide upon any matter relating solely to himself or solely to any of his rights or benefits pursuant to the Plan. 
  
 8.02. Powers and Duties. The Administrator shall administer the Plan
in accordance with its terms. The Administrator shall have full and complete authority and control with respect to Plan operations and administration unless the Administrator allocates and delegates such authority or control pursuant to the
procedures stated in subsection b. or c. below. Any decisions of the Administrator or its delegate shall be final and binding upon all persons dealing with the Plan or claiming any benefit under the Plan. The Administrator shall have all powers
which are necessary to manage and control Plan operations and administration including, but not limited to, the following: 
  

	 	a.	To employ such accountants, counsel or other persons as it deems necessary or desirable in connection with Plan administration. The Company shall bear the costs of such services and
other administrative expenses. 

  

	 	b.	To designate in writing persons other than the Administrator to perform any of its powers and duties hereunder. 

  

	 	c.	The discretionary authority to construe and interpret the Plan, including the power to construe disputed provisions. 

  

	 	d.	To resolve all questions arising in the administration, interpretation and application of the Plan including, but not limited to, questions as to the eligibility or the right of any
person to a benefit. 

  

	 	e.	To adopt such rules, regulations, forms and procedures from time to time as it deems advisable and appropriate in the proper administration of the Plan. 

  

	 	f.	To prescribe procedures to be followed by any person in applying for distributions pursuant to the Plan and to designate the forms or documents, evidence and such other information
as the Administrator may reasonably deem necessary, desirable or convenient to support an application for such distribution. 

  

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 8.03. Records and Notices. The Administrator shall maintain all books of accounts, records and
other data as may be necessary for proper plan administration. 
  
 8.04. Compensation and Expenses. The expenses incurred by the Administrator in the proper administration of the Plan shall be paid by the Company. An Administrator who is an Employee shall not receive any additional fee or
compensation for services rendered as an Administrator. 
  
 8.05.
Limitation of Authority. The Administrator shall not add to, subtract from or modify any of the terms of the Plan, change or add to any benefits prescribed by the Plan, or waive or fail to apply any Plan requirement for benefit eligibility.

  
 8.06 Claims Procedures. A Participant shall be entitled
to make a request for any benefits to which the Participant believes he or she may be entitled. Any such request must be made in writing, and it should be made to the Company. 
  
 A request for benefits will be considered a claim, and it will be subject to a full and fair review. If a Participant’s
claim is wholly or partially denied, the Company shall furnish the Participant or the Participant’s beneficiary (the “Claimant”) or the Claimant’s authorized representative with a written or electronic notice of the denial within
a reasonable period of time (generally, 90 days after the Company receives the claim or 180 days, if the Company determines that special circumstances require an extension of time for processing the claim and furnishes written notice of the
extension to the Claimant or the Claimant’s authorized representative before the initial 90-day period ends), which sets forth, in an understandable manner, the following information: 
  

	 	a.	The specific reason(s) for the denial of the claim; 

  

	 	b.	Reference to the specific provisions of the Plan on which the denial is based; 

  

	 	c.	A description of any additional material or information necessary for the Claimant to perfect the claim and an explanation of why that material or information is necessary; and

  

	 	d.	A description of the review procedures and the time limits applicable to those procedures, including a statement of the Claimant’s right to bring a civil action under ERISA
Section 502(a) following a denial on review. 

  
 The Company’s
written extension notice must indicate the special circumstances requiring an extension of time for processing the claim and the date by which the Company expects to render its decision on the claim. 
  

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 The Claimant or the Claimant’s authorized representative may appeal the Company’s decision
denying the claim within 60 days after the Claimant or the Claimant’s authorized representative receives the notice denying the claim. The Claimant or the Claimant’s authorized representative may submit to the Company written comments,
documents, records and other information relating to the claim. The Claimant or the Claimant’s authorized representative shall be provided, upon request and free of charge, reasonable access to, and copies of, all documents, records and other
information relevant to the claim. The Company’s review of the claim and of its denial of the claim shall take into account all comments, documents, records and other information submitted by the Claimant or the Claimant’s authorized
representative relating to the claim, without regard to whether these materials were submitted or considered during the initial decision on the claim. 
  
 The Company’s decision on the appeal of a denied claim shall be made within a reasonable period of time (generally 60 days after the Company receives
the claim or 120 days if the Company determines that special circumstances require an extension of time for processing the claim and furnishes written notice of the extension to the Claimant or the Claimant’s authorized representative before
the initial 60-day period ends indicating the special circumstances requiring extension of time and the date by which the Company expects to render its decision on the claim). The Company will furnish the Claimant or the Claimant’s authorized
representative with written or electronic notice of its decision on appeal. In the case of a decision on appeal upholding the Company’s initial denial of the claim, the Company’s notice of its decision on appeal shall set forth, in an
understandable manner, the following information: 
  

	 	a.	The specific reason(s) for the decision on appeal; 

  

	 	b.	Reference to the specific provisions in the Plan on which the decision on appeal is based; 

  

	 	c.	A statement that the Claimant is entitled to receive, upon request and free of charge, reasonable access to, and copies of, all documents, records and other information relevant to
the claim for benefits; and 

  

	 	d.	A statement describing any voluntary appeal procedures (including voluntary arbitration or any other form of dispute resolution) offered and the Claimant’s right to obtain
information sufficient to make an informed judgment about whether to submit a benefit dispute to the voluntary level of appeal, and a statement of the Claimant’s right to bring an action under ERISA Section 502(a).

  

 13 

 ARTICLE IX 
  
 General Provisions 
  
 9.01. Assignment and Rights of Participant. No Participant or Beneficiary may sell, assign, transfer encumber or otherwise dispose of the right to
receive payments hereunder. A Participant’s rights to benefit payments under the Plan are not subject in any manner to anticipation, alienation, sale, transfer, assignment, pledge, encumbrance, attachment or garnishment by creditors of a
Participant or a Beneficiary. No Participant or any other person shall have any interest in any fund or in any specific asset or assets of the Company by reason of any amounts credited to any Account hereunder, nor any right to exercise any of the
rights or privileges of a stockholder with respect to any securities hypothetically credited to a Participant’s Account B under the Plan, nor any right to receive any distributions under the Plan except as and to the extent expressly provided
in the Plan. 
  
 9.02. Employment Not Guaranteed by Plan.
The establishment of this Plan and the designation of an Employee as a Participant, shall not give any Participant the right to continued Employment or limit the right of the Company to dismiss or impose penalties upon the Participant or modify the
terms of Employment of any Participant. 
  
 9.03. Termination
and Amendment. The Company may at any time terminate, suspend, alter or amend this Plan and no Participant or any other person shall have any right, title, interest or claim against the Company, its directors, officers or employees for any
amounts, except that (i) the Participant shall be fully vested in his Account hereunder as of the date on which the Plan is terminated or suspended, except as to any unvested Restricted Units, (ii) no amendment shall eliminate the crediting of an
investment return on an Account A prior to the complete distribution thereof or provide for a distribution method which accelerates the timing of distributions hereunder without the consent of a Participant and (iii) subsequent to a Change of
Control, unless a majority of the holders of Account balances agree to the contrary, the Company or the Administrator may not alter (a) the choice of investments in the Investment Election as in effect immediately before the Change of Control and
(b) the payout options contained in the Form of Payment Election as in effect immediately before the Change of Control. 
  
 9.04. Notice. Any and all notices, designations or reports provided for herein shall be in writing and delivered personally or by certified mail,
return receipt requested, addressed, in the case of the Company to the Corporate Secretary at 770 North Water Street, Milwaukee, Wisconsin 53202 and, in the case of a Participant or Beneficiary, to his home address as shown on the records of the
Company. The addresses referenced herein may be changed by a notice delivered in accordance with the requirement of this Section 9.04. 
  
 9.05. Limitation on Liability. In no event shall the Company, Administrator or any employee, officer or director of the Company incur any liability
for any act or failure to act unless such act or failure to act constitutes a lack of good faith, willful misconduct or gross negligence with respect to the Plan or the trust established in connection with the Plan. 
  
 9.06. Indemnification. The Company shall indemnify the Administrator
and any employee, officer or director of the Company against all liabilities arising by reason of any act or failure to act unless such act or failure to act is due to such person’s own gross negligence or willful misconduct or lack of good
faith in the performance of his duties to the Plan or the trust established pursuant to the Plan. Such indemnification shall include, but not be limited to, 
  

 14 

 expenses reasonably incurred in the defense of any claim, including reasonable attorney and legal fees, and amounts paid
in any settlement or compromise; provided, however, that indemnification shall not occur to the extent that it is not permitted by applicable law. Indemnification shall not be deemed the exclusive remedy of any person entitled to indemnification
pursuant to this section. The indemnification provided hereunder shall continue as to a person who has ceased acting as a director, officer, member, agent or employee of the Administrator or as an officer, director or employee of the Company and
such person’s rights shall inure to the benefit of his heirs and representatives. 
  
 9.07. Headings. All articles and section headings in this Plan are intended merely for convenience and shall in no way be deemed to modify or supplement the actual terms and provisions stated thereunder.

  
 9.08. Severability. Any provision of this Plan
prohibited by law shall be ineffective to the extent of any such prohibition, without invalidating the remaining provisions hereof. The illegal or invalid provisions shall be fully severable and this Plan shall be construed and enforced as if the
illegal or invalid provisions had never been inserted in this Plan. 
  

 15Supplemental Contributing Employee Ownership Plan

 Exhibit 10(d) 
  
  
 SUPPLEMENTAL CONTRIBUTING EMPLOYEE OWNERSHIP PLAN 
 As amended and restated effective October 31, 2003 
  
 Olin Corporation (“Olin”) hereby restates the Supplemental Contributing Employee Ownership Plan (the “Plan” or “SCEOP”),
generally effective October 31, 2003. The Plan was originally effective as of January 1, 1990, and was amended from time to time prior to its restatement herein. The Plan is intended to be an unfunded, nonqualified deferred compensation plan for
certain management and highly compensated employees, as described in Section 201(2) and 301(a)(3) of the Employee Retirement Income Security Act (“ERISA”). 
  
 Prior to March 1, 2001, the Olin Corporation Contributing Employee Ownership Plan (“CEOP”) was a multiple employer
plan and Arch Chemicals, Inc. (“Arch”) was a participating employer in the CEOP. Effective as of March 1, 2001, Arch withdrew as a participating employer from the CEOP and, effective as of the same date, adopted its own defined
contribution plan known as the Arch Chemicals, Inc. Contributing Employee Ownership Plan (the “Arch CEOP”) to which it transferred all account balances attributable to Arch participants in the Olin CEOP. 
  
 The purpose of this Plan is to permit certain executive employees of Olin
whose contributions to the CEOP are limited under Sections 401(a)(17) of the Internal Revenue Code of 1986 and the regulations promulgated thereunder (the “Code”), with certain supplemental benefits to make up for such Code-imposed
limitations. 
  
  
 ARTICLE I 
 DEFINITIONS AND GENERAL PROVISIONS 
  
 1.1  Except as otherwise provided herein, the terms defined in the CEOP are used herein with the meanings ascribed
to them in the CEOP. In addition, when used herein, the following definitions shall apply: 
  
 (a)  “Arch Phantom Units” means phantom shares of the CEOP’s Arch Common Stock Fund credited under the SCEOP.

  
 (b)  “CEOP Percentage”
means, with respect to a SCEOP Participant, the annual percentage by which such Participant reduces his Maximum Eligible Compensation on either a before-tax or after-tax basis in calculating contributions made to the CEOP (whether as a result of
elective, or automatic, enrollment); provided, however, that if a Participant’s CEOP percentage exceeds six percent (6%), the Participant may elect, for purposes of this Plan, to limit the CEOP percentage used under this Plan to six percent
(6%). 
  
 (c)  “Company” or
“Olin” means Olin Corporation and its affiliated companies. 

 (d)  “Compensation” has the same meaning as under the CEOP, except
that it is not subject to the maximum dollar limitation on compensation taken into account for purposes of the CEOP under Section 401(a)(17) of the Code. 
  
 (e)  “Distribution Date” has the same meaning as that specified in the Distribution Agreement by and between Olin
Corporation and Arch Chemicals, Inc. 
  
 (f)  “Dividend Equivalents” means (i) with respect to the Olin Phantom Units held in a SCEOP Account of a SCEOP Participant, the dollar amount of regular or special dividends actually paid in cash from time to time on
the actual number of shares of Olin Common Stock reflected in such Olin Phantom Units; and (ii) with respect to the Arch Phantom Units held in a SCEOP Account of an Olin Participant, the dollar amount of regular or special dividends actually paid in
cash from time to time on the actual number of shares of Arch Common Stock reflected in such Arch Phantom Units. 
  
 (g)  “Excess Company Matching Contribution” means, with respect to a SCEOP Participant for a Plan Year, an amount
derived by multiplying (i) the percentage used in calculating the Company Matching Contribution (currently, 100% of the first $25 per month, and 50% of the Participant’s Contribution in excess of $25 per month) under the CEOP, as such
percentage changes from time to time, by (ii) the annual SCEOP Participant Contribution for that Participant; provided that, if the Participant’s CEOP Percentage exceeds six percent (6%), the SCEOP Participant Contribution will be calculated
using six percent (6%) for the CEOP Percentage when calculating the Excess Company Matching Contribution. Notwithstanding the foregoing, in the event that a Participant is eligible for both a Company Matching Contribution and an Excess Company
Contribution in a given month, only the first $25 contributed in total to both plans will be matched at the rate of 100%. 
  
 (h)  “Excess Performance Contribution” means, with respect to a SCEOP Participant for a Plan Year, the amount derived
by multiplying (i) the percentage used in calculating the Performance Matching Contribution under the formula contained in the CEOP that is applicable to a SCEOP Participant for that year, if any, by (ii) the SCEOP Participant Contribution of that
Participant for such year; provided that, if such Participant’s CEOP Percentage exceeds six percent (6%), the SCEOP Participant Contribution will be calculated using six percent (6%) for the CEOP Percentage when calculating the Excess
Performance Contribution. 
  
 (i)  “Interest Bearing Fund” means a phantom fund that pays interest at a rate, determined quarterly as of the end of the quarter for the following quarter, equal to (i) the Company’s before-tax cost of borrowing as
determined from time to time by the Chief Financial Officer, Controller or Treasurer (or in the event there is no such borrowing, the Federal Reserve A1/P1 Composite rate for 90-day commercial paper plus 10 basis points as determined by such
officer) or (ii) such other rate as the Board or Compensation Committee of the Board, or any delegate thereof, may select prospectively from time to time. 
  

 2 

 (j)  “Maximum Eligible Compensation” means the annual maximum amount
of Compensation under Section 401(a)(17) of the Code from which a Participant is permitted to make Contributions to the CEOP, as such maximum amount is adjusted from time to time under the Code. 
  
 (k)  “Olin Phantom Units” means phantom
shares of the CEOP’s Olin Common Stock Fund credited under the SCEOP. 
  
 (l)  “Plan Year” means a twelve-month period ending on December 31. 
  
 (m)  “Primex Phantom Units” means phantom units of the CEOP’s Primex Stock Fund credited under the SCEOP, such
units deemed to consist of both Primex Stock and cash. 
  
 (n)  “SCEOP Participant” or “Olin Participant” means an Olin employee whose contributions to the CEOP are limited as a result of the imposition of the limitations set forth in Section 401(a)(17) of the Code and
who has filed an election to participate in the SCEOP with the Plan Administrator. 
  
 (o)  “SCEOP Account” for a SCEOP Participant means the Account established under the SCEOP for such Participant
holding Arch Phantom Units, Olin Phantom Units, phantom investments in the Interest Bearing Fund, and/or any other phantom securities or units created herein. 
  

(p)  “SCEOP Participant Contribution” with respect to a SCEOP Participant shall mean the annual amount by which the
SCEOP Participant has elected to reduce his Compensation under this Plan, such amount being equal to the CEOP Percentage multiplied by the difference between (i) such Participant’s Compensation and (ii) his Maximum Eligible Compensation.

  
  
 ARTICLE II 
 ELIGIBILITY AND PARTICIPATION 
  
 2.1  Any employee of the Company who: 
  
 (a)  is a management employee; 
  
 (b)  is a “highly compensated employee” within the meaning of Code Section 414(q);

  
 (c)  is participating in the CEOP;
and 
  
 (d)  whose Compensation or rate
of pay is in excess of the limitation contained in Section 401(a)(17) of the Code shall be eligible to participate in this Plan (an “Eligible Employee”). 
  

 3 

 2.2  Each Eligible Employee wishing to participate in this Plan must execute and file a salary
reduction agreement in a form acceptable to the Plan Administrator. Initially, such agreement to reduce Compensation shall be filed within thirty (30) days following such individual becoming an Eligible Employee. An Eligible Employee not filing such
an agreement within the thirty (30) day period referred to in the preceding sentence must thereafter file such agreement to reduce Compensation by December 1 of the calendar year prior to the beginning of the Plan Year for which it will be effective
and prior to the calendar year in which such Compensation would otherwise be earned. Once filed, agreements to reduce Compensation shall remain in effect for subsequent Plan Years unless revoked by the Participant in writing in a form acceptable to
the Plan Administrator. 
  
 2.3  Any election to reduce
salary shall be irrevocable for the Plan Year to which it relates, provided, however, that during a Plan Year, a Participant may elect to cease all salary reductions for the remainder of the Plan Year, in which case, no subsequent election shall be
effective until the beginning of the next Plan Year. 
  
 2.4  No salary reduction election shall be given effect under this Plan until the Participant has made contributions to the CEOP (i) based on the maximum amount of eligible compensation permitted by the CEOP and by applicable law
for the Plan Year to which such salary reduction election relates or (ii) equal to the maximum pretax contributions permitted under Section 401(k) of the Code, whichever is the first threshold to be met. 
  
  
 ARTICLE III 
 CONTRIBUTIONS AND ACCOUNTS 
  
 3.1  Each SCEOP Participant who so elects for a Plan Year shall defer SCEOP Participant Contributions on a pre-tax basis. For each SCEOP
Participant, a SCEOP Account will be established. The Account will contain sub-accounts for each type of contribution credited to the SCEOP Account and for each type of Phantom Unit credited to his Account. For each Plan Year during which a person
is a SCEOP Participant and making deferrals, the Company (or other Participating Employer) will credit to the SCEOP Account of each SCEOP Participant Olin Phantom Units and/or phantom investments in the Interest Bearing Fund, in accordance with the
Participant’s investment allocation, equal in value to the sum of (1) the SCEOP Participant’s Contribution, plus (2) the Excess Company Matching Contribution, plus (3) the Excess Performance Contribution, if any. Such crediting shall occur
periodically in accordance with the timing of contributions to the CEOP, in the case of the SCEOP Participant Contributions and Excess Company Matching Contributions, and as soon as administratively feasible following the making of a Performance
Matching Contribution under the CEOP, in the case of an Excess Performance Contribution. 
  
 Participants’ SCEOP Account Balances may be transferred daily without limit to the Interest Bearing Fund and/or the Olin Common Stock Fund. 
  
 Matching contributions by the Company, if any, shall be invested according to the Participant’s investment allocation
that is in effect for the SCEOP Participant Contributions. 
  

 4 

 3.2  Effective December 31, 1996, Olin spun off Primex Technologies, Inc. (“Primex”).
As a result of the spin-off of Primex, Participants’ SCEOP Account Balances deemed invested in Olin Phantom Units were credited with a dividend deemed invested in Primex Phantom Units. Primex was acquired by General Dynamics Corporation
effective January 25, 2001. As a result of this acquisition, the value of Participants’ SCEOP Account Balances deemed invested in Primex Phantom Units were deemed liquidated at the per share purchase price and the proceeds were deemed
reinvested in Olin Phantom Units. 
  
 3.3  A
Participant’s SCEOP Account will also be credited with Dividend Equivalents from time to time, when such dividends are paid (i) on the actual number of shares of Olin Common Stock reflected in the Olin Phantom Units held in such Account, and
(ii) on the actual number of shares of Arch Common Stock reflected in the Arch Phantom Units held in such Account. Such Dividend Equivalents will be reinvested according to the Participant’s investment allocation that is then in effect for the
SCEOP Participant Contributions. 
  
 3.4  For purposes
of calculating the number of Olin Phantom Units to be credited to an Olin Participant’s SCEOP Account as a result of crediting Dividend Equivalents or contributions, the SCEOP shall use the Current Market Value for valuing units in the Olin
Common Stock Fund as defined under the CEOP. Phantom Units will be credited in fractional amounts up to three decimal places. For purposes of valuing Arch Phantom Units under this Plan, the SCEOP shall use the Current Market Value for valuing shares
in Arch Common Stock Fund as defined in the CEOP. 
  
 3.5  SCEOP Participants may either retain their Arch Phantom Units or may have their entire Arch Phantom Unit Account Balance(s) deemed transferred at the then Current Market Value and reinvested in Olin Phantom Units at the then
Current Market Value, the Interest Bearing Fund, or any combination thereof (in whole dollar amounts). Once Arch Phantom Units are deemed transferred and reinvested, a Participant may not re-direct investment back into Arch Phantom Units. No new
investment, whether in the form of Company or Participant contributions or Dividend Equivalents, shall be permitted in Arch Phantom Units. 
  
 3.6  A Participant shall at all times be fully vested in his SCEOP Participant Contribution Account Balance, and shall vest in his Excess
Company Matching and Excess Performance Contribution Account Balances in accordance with the vesting schedule contained in the CEOP. Each Participant shall be deemed vested in his SCEOP Account Balance to the same extent that he is actually vested
in his CEOP Account Balance. A Participant shall be fully vested in his SCEOP Account Balance upon his death, upon his termination of service from the Company and all affiliates after reaching a retirement date under the CEOP, or upon his
termination of service due to his Permanent Disability as defined in the CEOP. 
  
 3.7  In the event that the Compensation Committee of the Board (“the Committee”) determines that any dividend or other distribution, recapitalization, stock split, reverse stock split,
reorganization, merger, consolidation, split-up, spin-off, combination, repurchase or exchange of Arch Common Stock, Olin Common Stock, or any other securities of Arch or Olin, issuance of warrants or other rights to purchase Arch Common Stock, Olin
Common Stock, or other securities of these companies, or other similar corporate transaction or event occurs that affects 
  

 5 

 Arch or Olin Common Stock such that the Committee determines an adjustment in Phantom Units under the Plan is appropriate
in order to prevent dilution or enlargement of the benefits intended to be made available under this Plan, then the Committee shall, in such manner as it deems equitable, adjust Participants’ SCEOP Accounts. In the case of a spin-off, split-up,
issuance of an extraordinary stock dividend, or similar transaction, such adjustment, in the Committee’s discretion, may result in creation of phantom shares in a separate phantom stock fund and reinvestment of such phantom shares in Olin
Phantom Units or such other reinvestment as otherwise determined by the Committee. In the case of a merger for cash with respect to Arch Common Stock, the cash received as a result of such merger shall be deemed reinvested according to the
Participant’s investment allocation that is then in effect for the SCEOP Participant Contributions. Notwithstanding the foregoing, a Participant to whom Dividend Equivalents have been allocated shall not be entitled to receive a non-cash
special or extraordinary dividend or distribution unless the Committee expressly authorizes such receipt. 
  
 3.8  Transfers between Arch and Olin.  It is contemplated that Plan Participants may transfer their employment after the
Distribution Date and on or before February 8, 2000, from Arch to Olin and vice versa and commence, or resume, participation in the SCEOP of the new employer. 
  
 (a)  Transfer to Arch From Olin.  In the event that a Plan Participant transfers employment to
Arch after the Distribution Date and on or prior to February 8, 2000, benefit accrual under this Plan shall cease and Olin shall remain liable for payment of any benefits accrued under this Plan to the date of transfer. No reserves shall be
transferred with respect to such Participant. No separation from service shall be deemed to occur under this Plan permitting a distribution under this Plan and benefits hereunder shall not commence until the Participant has terminated his employment
with Arch (or any successor thereto) and has otherwise qualified for benefits hereunder. Olin shall continue to recognize a Participant’s service with Arch and its affiliates subsequent to his transfer to Arch solely for purposes of determining
the Participant’s vesting under this Plan. 
  
 (b)  Transfer from Arch to Olin.  In the event that an Arch employee transfers employment to Olin from Arch after the Distribution Date and on or prior to February 8, 2000, benefit accrual under the Arch SCEOP
shall cease and Arch shall remain liable for payment of any benefits accrued under that Plan to the employee’s date of transfer to Olin. No reserves shall be transferred from Arch or the Arch SCEOP with respect to such Arch employee. Any
benefits accrued under the Arch SCEOP shall not commence until the former Arch employee terminates service with Olin and its affiliates and has otherwise qualified for benefits under the Arch SCEOP. Following such transfer, Arch shall continue to
credit such employee’s service with Olin and its affiliates subsequent to his transfer to Olin solely for purposes of determining his vesting under the Arch SCEOP. References to the Arch SCEOP are descriptive only, and neither Olin nor this
Plan guaranties any payments under the Arch SCEOP. 
  

 6 

 ARTICLE IV 
 DISTRIBUTIONS 
  
 4.1  No amounts credited to a Participant’s SCEOP Account under this Plan may be withdrawn or distributed prior to the Participant’s termination of employment with the Company and all affiliates thereof, including, but
not limited to any other corporation in the same controlled group with Olin (within the meaning of Section 414(b), (c) and (m) of the Code). Amounts credited to a Participant’s Account under this Plan may not be loaned to such Participant. A
Participant’s SCEOP Account will be distributed in the form elected under Section 4.2 upon the earliest to occur of the Participant’s death, termination of service due to Permanent Disability, retirement or termination of active service
from the Company and all affiliates. In the event that an Olin Employee is employed by Arch on or prior to February 8, 2000, and participates in the Arch SCEOP, no separation from service shall be deemed to occur permitting a distribution of
benefits from this Plan until such Participant has terminated his employment with Arch (or any successor thereto). Notwithstanding anything to the contrary in this Section 4.1 or Section 4.2, if a Participant transfers employment from Arch (or any
successor thereto) or Primex (or its successor, General Dynamics Corporation) back to the Company, such Participant will not be eligible for distribution until such Participant has terminated his employment with the Company and its
affiliates. 
  
 4.2  Each Participant whose
employment transferred from the Company to Primex, in connection with the spin-off of Primex, shall be fully vested in his SCEOP Account Balance. Such Balance shall continue to be credited with Dividend Equivalents until it is distributed; however,
no such Balance may be distributed until such Participant terminates active service with Primex or, after January 25, 2001, General Dynamics Corporation and its subsidiaries. 
  
 4.3  Upon becoming a SCEOP Participant, such SCEOP Participant shall elect to receive the value of his SCEOP
Account Balance either (i) in a lump sum, or (ii) in annual installments for a period not to exceed fifteen (15) years, commencing on the earliest to occur of the Participant’s death, retirement, termination of service due to Permanent
Disability or termination of active employment from Olin and its affiliated companies. A SCEOP Participant may change such election upon written notice to the Plan Administrator, provided no such change shall be given effect if the SCEOP Participant
becomes eligible for a distribution from this Plan within twelve (12) months of such change. 
  
 4.4  Installment payments shall commence to be paid as soon as administratively feasible and generally effective as of the first day of the month following a Participant’s termination of active service.
The Company may delay the payment of any benefit owed hereunder in order to complete the orderly processing of such benefit. 
  
 4.5  Distributions to a SCEOP Participant of his SCEOP Account Balance shall be made only in the form of cash. Except as provided in Section
7.3, upon distribution, the value of Olin Phantom Units shall be equal to the average of the daily closing prices of the Olin common stock on the New York Stock Exchange for the month preceding the distribution. Except as provided in Section 7.3,
upon distribution, the value of Arch Phantom Units shall be equal to the 
  

 7 

 average of the daily closing prices of the Arch common stock on the New York Stock Exchange for the month preceding the
distribution. 
  
 4.6  Any benefit payable under this
Plan on account of the death of a Participant shall be paid to the Participant’s beneficiary as designated or determined under the terms of the CEOP; however, a Participant may, by filing with the Plan Administrator prior to death on a form
supplied by the Plan Administrator, designate a different individual or entity to be the designated Beneficiary of such Participant for purposes of this Plan, in which case the subsequent designation will supersede any designation of a beneficiary
under the CEOP. 
  
  
 ARTICLE V 
 LIABILITY FOR PAYMENT 
  
 5.1  The Company (and each other Participating Employer) shall pay the benefits provided hereunder with respect to
SCEOP Participants who are employed or were formerly employed by it during their participation in the Plan. In the case of a SCEOP Participant who was employed by more than one Participating Employer, the Benefit Plan Review Committee shall allocate
the cost of such benefits among such Participating Employers in such manner as it deems equitable. The obligations of the Participating Employer hereunder 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 Participating Employer liable for such benefits hereunder. 
  
  
 ARTICLE VI 
 ADMINISTRATION OF THE PLAN 
  
 6.1  The Benefit Plan Review Committee shall be the named Plan Administrator of this Plan. The Plan Administrator shall 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, the Code and ERISA. Benefits will be paid only if
the Plan Administrator, in its sole discretion, determines that the Participants or Beneficiaries are entitled to them. 
  
 The Plan Administrator shall: 
  
 (a)  determine all questions relating to eligibility of Employees to participate or continue participation in the Plan;

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

 8 

 (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; 
  
 (e)  communicate to Employees, Participants and their Beneficiaries concerning the provisions of the Plan; and 
  
 (f)  prescribe such rules and forms as it shall
deem necessary or proper for the administration of the Plan. 
  
 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. 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. 
  
 The Plan Administrator has the authority to delegate any of its powers under this Plan to any other person, persons, or committee in the administration of this Plan. This person, persons, or committee may further delegate its reserved
powers to another person, persons, or committee as they see fit. Any delegation or subsequent delegation shall include the same sole, discretionary, and final authority that the Plan Administrator has listed herein, and any decisions, actions, or
interpretations made by any delegate shall have the same ultimate binding effect as if made by the Plan Administrator. 
  
 6.2  Except as otherwise provided herein, all provisions set forth in the CEOP with respect to the administration of that plan shall also be
applicable with respect to this Plan. For purposes of this Plan, the Company shall be entitled to rely conclusively upon all tables, valuations, certificates, opinions and reports furnished by any actuary, accountant, controller, counsel or other
person employed or engaged by the Company or by Olin Corporation with respect to the CEOP. 
  
  
 ARTICLE VII 
 AMENDMENT, TERMINATION AND CHANGE OF CONTROL 
  
 7.1  The Company reserves the right to amend or terminate this Plan at any time, by action of the Company’s Board of Directors, the Compensation Committee of the Board, or such other committee from time to time designated by
the Board, and without the consent of any employee or other person. 
  
 7.2  Notwithstanding Section 7.1 above, no amendment or termination of the Plan shall directly or indirectly reduce the balance to the credit of any Participant hereunder as of the effective date of such amendment or termination.
Upon termination of the Plan, no additional amounts shall be credited under the terms of the Plan. Notwithstanding the termination of this Plan, amounts credited hereunder shall not be distributed to Participants except as provided in Article IV,
above. 
  

 9 

 7.3  Upon a Change of Control (as defined below), the Plan shall terminate and the Account
Balance of a SCEOP Participant shall be paid in cash to such Participant as promptly as practicable, but in no event later than 30 days following the Change in Control. The spin-off of Arch from Olin Corporation shall not be deemed to be a change of
control entitling any Participant herein to benefits under this Plan. For purposes of the Plan, a “Change in Control” of the Company shall have occurred in the event that: 
  
 (i)  the Company ceases to be, directly or indirectly, owned of record by at least 1,000 stockholders; 

 
 (ii)  a person, partnership, joint venture, corporation or other
entity, or two or more of any of the foregoing acting as “person” within the meaning of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended (the “Act”), other than the Company, a majority-owned subsidiary of the
Company or an employee benefit plan of the Company or such subsidiary (or such plan’s related trust), become(s) the “beneficial owner” (as defined in Rule 13d-3 of the Act) of 20% or more of the then outstanding voting stock of the
Company; or 
  
 (iii)  during any period of two
consecutive years, individuals who at the beginning of such period constitute the Company’s Board of Directors (together with any new Director whose election by the Company’s Board or whose nomination for election by the Company’s
stockholders was approved by a vote of at least two-thirds of the Directors of the Company then still in office, who either were Directors at the beginning of such period or whose election or nomination for election was previously so approved) cease
for any reason to constitute a majority of the Directors then in office; or 
  
 (iv)  all or substantially all of the business of the Company is disposed of pursuant to a merger, consolidation or other transaction in which the Company is not the surviving corporation or the Company
combines with another company and is the surviving corporation (unless the shareholders of the Company immediately following such merger, consolidation, combination, or other transaction beneficially own, directly or indirectly, more than 50% of the
aggregate voting stock or other ownership interests of (x) the entities, if any, that succeed to the business of the Company or (y) the combined company); or 
  
 (v)  the shareholders of the Company approve a sale of all or substantially all of the assets of the Company or a liquidation or dissolution of
the Company. 
  

 10 

 For purposes of computing the payout under this Section 7.3, the cash value of the SCEOP Account of a
Participant shall be determined by: 
  
 (i)  multiplying
the actual number of shares of Olin Common Stock reflected in a Participant’s Olin Phantom Units by the greater of (a) the highest Current Market Value of the Common Stock (as defined in the CEOP Plan) on any date within the period commencing
thirty (30) days prior to such Change in Control and ending on the date of the Change in Control, or (b) if the Change in Control occurs as a result of a tender or exchange offer or consummation of a corporate transaction, then the highest price
paid per share of Common Stock pursuant thereto; 
  
 (ii)  adding any cash portion attributable to a Participant’s Olin Phantom Units held in his SCEOP Account; then 
  
 (iii)  adding the then Current Market Value of that portion of a Participant’s SCEOP Account which is deemed invested in Arch Phantom Units
(and any other phantom units or stock fund established in the SCEOP); then 
  
 (iv)  adding the then current value of that portion of a Participant’s SCEOP Account which is deemed invested in the Interest Bearing Fund, with interest added through the day prior to payment.

  
  
 ARTICLE VIII 
 GENERAL PROVISIONS 
  
 8.1  The Plan at all times shall be entirely unfunded and no provision shall at any time be made with respect to
segregating any assets of the Company for payment of any distribution hereunder. The right of a Participant or his designated Beneficiary to receive a distribution hereunder shall be an unsecured claim against the general assets of the Company, and
neither the Participant nor a designated Beneficiary shall have any rights in or against any specific assets of the Company. All amounts credited to the SCEOP Accounts of Participants shall constitute general assets of the Company and may be
disposed of by the Company at such time and for such purposes as it may deem appropriate. 
  
 8.2  Nothing contained in the Plan shall constitute a guaranty by the Company or any other person or entity that the assets of the Company will be sufficient to pay any benefit hereunder. 
  
 8.3  No Participant shall have any right to receive a distribution
of contributions made under the Plan except in accordance with the terms of the Plan. Establishment of the Plan shall not be construed to give any Participant the right to be retained in the service of the Company. 
  
 8.4  No interest of any person or entity in, or right to receive a
distribution under, the Plan shall be subject in any manner to sale, transfer, assignment, pledge, attachment, garnishment or other alienation or encumbrance of any kind; nor may such interest or right to receive a distribution be taken, either
voluntarily or involuntarily for the satisfaction of the debts of, or other obligations or claims against, such person or entity, including claims for alimony, support, separate maintenance and claims in bankruptcy proceedings. 
  

 11 

 8.5  The Plan shall be construed and administered under the laws of the Commonwealth of
Virginia, to the extent not preempted by federal law. 
  
 8.6  If any person entitled to a distribution under the Plan is deemed by the Company to be incapable of personally receiving and giving a valid receipt for such payment, then, unless and until claim therefor shall have been made
by a duly appointed guardian or other legal representative of such person, the Company may provide for such payment or any part thereof to be made to any other person or institution then contributing toward or providing for the care and maintenance
of such person. Any such payment shall be a payment for the account of such person and a complete discharge of any liability of the Company and the Plan therefor. 
  
 8.7  The Plan shall not be automatically terminated by a transfer or sale of all or substantially all of the
assets of the Company or by the merger or consolidation of the Company into or with any other corporation or other entity, but the Plan shall be continued after such sale, merger or consolidation only if and to the extent that the transferee,
purchaser or successor entity agrees to continue the Plan. In the event that the Plan is not continued by the transferee, purchaser or successor entity, then the Plan shall terminate, subject to the provisions of Section 7.2. 
  
 8.8  Each Participant shall keep the Company informed of his
current address and the current address of his designated Beneficiary. The Company shall not be obligated to search for the whereabouts of any person. If the location of a Participant is not made known to the Company within three (3) years after the
date on which payment of any or all of the Participant’s Accounts may first be made, payment may be made as though the Participant had died at the end of the three-year period. If, within one additional year after such three-year period has
elapsed, or, within three years after the actual death of a Participant, the Company is unable to locate any designated Beneficiary of the Participant, then the Company shall have no further obligation to pay any benefit hereunder to such
Participant or designated Beneficiary and such benefit shall be irrevocably forfeited. 
  
 8.9  This Plan shall constitute the entire agreement between the Company and its executives concerning the provision of supplemental CEOP benefits. 
  
 8.10  Notwithstanding any of the preceding provisions of the Plan,
neither the Company nor any individual acting as employee or agent of the Company shall be liable to any Participant, former Participant or other person for any claim, loss, liability or expense incurred in connection with the Plan. 
  

 12 

 IN WITNESS WHEREOF, Olin Corporation has caused this restated Plan to be executed by its duly authorized
officer as of March 1, 2004. 
  
  

			
	OLIN CORPORATION
		
	 By:
	 	/s/ Peter C. Kosche
	 	 	

	 	 	 Peter C. Kosche
 Its Sr. Vice President, Corporate
Affairs

  
  
  
  

 13

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