SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 AMENDMENT NO. 1 ON FORM 10-Q/A (Mark One) [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 1999 ---------------------- OR [_] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to ---------------------- Commission file number 1-1070 ---------------------- Olin Corporation --------------------------------------------------------------------------- (Exact name of registrant as specified in its charter) Virginia 13-1872319 --------------------------------------------------------------------------- (State or other jurisdiction of (I.R.S. Employer incorporation or organization) Identification No.) 501 Merritt 7, Norwalk, CT 06851 --------------------------------------------------------------------------- (Address of principal executive offices) (Zip Code) (203) 750-3000 --------------------------------------------------------------------------- (Registrant's telephone number, including area code) --------------------------------------------------------------------------- (Former name, address, and former fiscal year, if changed since last report Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes X No_____ ---- As of July 31, 1999, there were outstanding 45,248,494 shares of the registrant's common stock. EXPLANATORY NOTE The purpose of this amendment is to correct minor errors included in Exhibit 10(n) as previously filed. Item 6. Exhibits and Reports on Form 8-K. --------------------------------- (a) Exhibits -------- 10(n) 1997 Stock Plan for Non-Employer Directors as Amended Effective July 29, 1999. 12 Computation of Ratio of Earnings to Fixed Charges (Unaudited). 27 Financial Data Schedule. (b) Reports on Form 8-K ------------------- No reports on Form 8-K were filed during the quarter ended June 30, 1999. 2 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. OLIN CORPORATION (Registrant) By: /s/ A.W. Ruggiero ----------------------------- A. W. Ruggiero Executive Vice President and Chief Financial Officer (Authorized Officer) Date: October 22, 1999 3 EXHIBIT INDEX Exhibit No. Description 10(n) 1997 Stock Plan for Non-Employee Directors as Amended Effective July 29, 1999. 4