OLIN SENIOR EXECUTIVE PENSION PLAN
(Restated as of February 8, 1999)
Article I. The Plan
1.1 Establishment of Plan. Olin Corporation (the "Company" or "Olin") hereby restates its Olin Senior Executive
Pension Plan, originally adopted by the Board of Directors on September 27, 1984. The Effective Date of this
restatement is February 8, 1999.
1.2 Purpose. The purpose of this Plan is to attract and retain a management group capable of assuring Olin'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.
Article II. Eligibility
2.1 Participation. Any employee of the Company or its subsidiaries (collectively referred to as "Employing
Companies") whose job is rated at 2,000 Hay Points (or the equivalent) or more, and who is selected by the
Compensation Committee (referred to in this Plan as the "Selection Committee"), shall participate in the Plan. 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.
2.2. Transfer of Arch Employees and Reserves. As of February 8, 1998, the effective date of the spin-off of
Arch Chemicals, Inc. ("Arch") from the Company (the "Arch Spin-off Date"), the employment of certain
Company employees, who were defined as "Arch Employees" within the meaning of the Employee Benefits
Allocation Agreement as of the same date, was transferred to Arch or its affiliated companies. Those Arch
Employees who had been participating in this Plan immediately commenced participation in the Arch Senior
Executive Pension Plan (the "Arch Plan"), and Olin transferred to Arch the reserves reflecting the value of the
accrued liabilities of such employees under this Plan. From and after the Arch Spin-off Date, neither Olin nor this
Plan shall have any liability with respect to the former parti