U.S. Antitrust Waiting Period Expires for Olin-Huntsman Merger
Olin Corp. and Huntsman Corp. announced Sept. 11 that the waiting period under the U.S. Hart-Scott-Rodino Antitrust Improvements Act of 1976 has expired in connection with their pending merger of equals.
The expiration satisfies one of the key conditions to closing. The companies said the transaction remains subject to other customary closing conditions, including additional regulatory approvals that are underway.
PCI previously reported that shareholders of both companies approved the transaction Aug. 25. Based on the voting results, the companies plan to use the direct-merger structure, under which Huntsman would merge into Olin. The combined company would operate as OlinHuntsman Corp.
The companies have previously targeted completion during the first half of 2027. The proposed combination would bring together Olin’s upstream chemical manufacturing and epoxy businesses with Huntsman’s polyurethane, advanced-materials and specialty-chemical portfolio. The companies reported approximately $12.5 billion in combined 2025 revenue when they announced the transaction.
The proposed combination would join major epoxy, polyurethane and specialty-chemical portfolios supplying coatings and CASE manufacturers. Follow PCI’s paint and coating resins and polymers coverage for additional developments.
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