OLN: Other company developments

Item 8.01 Other Events. As previously disclosed, on June 15, 2026, Olin Corporation, a Virginia corporation (“ Olin ”), entered into an Agreement and Plan of Merger (the “ Merger Agreement ”) with Huntsman Corporation, a Delaware corporation (“ Huntsman ”), Olympus Merger Sub, Inc., a Delaware corporation and a direct wholly owned subsidiary of Olin (“ First Merger Sub ”), and Hook Merger Sub LLC, a Delaware limited liability company and a direct wholly owned subsidiary of Olin (“ Second Merger Sub ”), providing for, on the terms and subject to the conditions included in the Merger Agreement, the merger of equals business combination of Olin and Huntsman, either (a) through the merger of Huntsman with and into Olin, with Olin as the surviving entity (the “ Direct Merger ”), or (b) through (i) the merger of First Merger Sub with and into Huntsman (the “ First Subsidiary Merger ”), with Huntsman surviving as a direct, wholly owned subsidiary of Olin (the “ Initial Surviving Company ”), and (ii) immediately following the First Subsidiary Merger, and as part of the same overall transaction as the First Subsidiary Merger, the Initial Surviving Company will be merged with and into Second Merger Sub (the “ Second Subsidiary Merger ” and, together with the First Subsidiary Merger, the “ Subsidiary Merger ”), with Second Merger Sub surviving as a direct wholly owned subsidiary of Olin (we collectively refer to the Direct Merger and the Subsidiary Merger as the “ Merger ”). In connection with the Merger, on July 2, 2026, Olin filed a registration statement on Form S-4 (File No. 333-297236) (as amended on July 10, 2026, the “ Registration Statement ”) with the Securities and Exchange Commission (the “ SEC ”). On July 13, 2026, the Registration Statement was declared effective by t