EMPLOYEE DEFERRAL PLAN
As Amended and Restated Effective February 8, 1999
The purpose of this Olin Corporation Employee Deferral Plan (the "Plan") is to provide eligible employees of Olin
Corporation and its subsidiaries and affiliates with an opportunity to defer compensation earned or to be earned
by them as a means of saving for retirement or other future purposes. The Plan is amended and restated to reflect
the distribution to Olin's shareholders of all of the outstanding shares of common stock of Arch Chemicals, Inc.,
effective as of the date of such distribution.
The following definitions shall be applicable throughout the Plan:
(a) "Accounting Date" means each December 31, March 31, June 30 and September 30.
(b) "Administrator" means the Senior Vice President, Corporate Affairs or his delegate.
(c) "Arch" means Arch Chemicals, Inc., a Virginia corporation and any successor thereto.
(d) "Arch Common Stock" means shares of common stock of Arch, par value $1.00 per share.
(e) "Arch Employee" means an employee of Arch.
(f) "Arch Employee Deferral Plan" means the Arch Chemicals, Inc. Employee Deferral Plan.
(g) "Arch Stock Account" means the Stock Account to which Arch Stock Units are credited.
(h) "Arch Stock Unit(s)" means the share equivalents credited to the Arch Stock Account of a Participant's
Compensation Account pursuant to Section 6, with one Arch Stock Unit equal to one share of Arch Common
(i) "Beneficiary" means the person(s) designated by the Participant in accordance with Section 10.
(j) "Board" means the Board of Directors of the Company.
(k) "Cash Account" means an account established under the Plan for a Participant to which compensation has
been or is to be credited in the form of cash and which is to earn interest at the Rate of Interest as provided
(l) "Change in Control" means that any of the following events shall have occurred:
(i) the Company ceases to be, directly