(b)

On January 7, 2019, Stephanie A. Streeter, a Class III Director of Olin Corporation (“Registrant”) advised the Registrant of her resignation from the Board of Directors of the Registrant and as a member of the Compensation Committee and Directors and Corporate Governance Committee of the Board. Her resignation was effective January 8, 2019. Ms. Streeter’s decision to resign was not related to any disagreement with the Registrant on any matter relating to the Registrant’s operations, policies or practices.

About OLIN CORPORATION (NYSE:OLN)

Olin Corporation is a manufacturer and distributor of chemical products, and ammunition. The Company operates through three segments: Chlor Alkali Products and Vinyls, Epoxy and Winchester. The Chlor Alkali Products and Vinyls segment manufactures and sells chlorine and caustic soda, ethylene dichloride and vinyl chloride monomer, methyl chloride, methylene chloride, chloroform, carbon tetrachloride, perchloroethylene, trichloroethylene and vinylidene chloride, hydrogen, bleach products and potassium hydroxide. The Epoxy segment produces and sells a range of epoxy materials, including allyl chloride, epichlorohydrin, liquid epoxy resins and downstream products, such as converted epoxy resins and additives. The Epoxy segment serves an array of applications, including wind energy, electrical laminates and consumer goods. The Winchester segment produces and sells sporting ammunition, reloading components, small caliber military ammunition and components, and industrial cartridges.