Olin and Huntsman Merger Advances as SEC Declares Registration Statement Effective

Olin and Huntsman announced that the U.S. Securities and Exchange Commission declared effective Olin's Form S-4 registration statement filed in connection with the previously announced all-stock merger of equals. The combined company would be named OlinHuntsman.

The companies said the transaction is expected to create a leading North American chemicals company with assets in Europe and Asia and to generate significant value for shareholders. They highlighted expected benefits including more than $400 million in cost synergies and integration benefits, revenue synergies from vertical integration, broader geographic reach and stronger profitability across market cycles.

Olin CEO Ken Lane said the effective registration statement marks an important milestone and that the companies are continuing to engage with shareholders regarding the value of the transaction. Huntsman CEO Peter Huntsman said the companies are encouraged by the progress and are working to complete the merger as soon as possible.

The companies announced special meetings for shareholders on August 25, 2026, to vote on the transaction. Olin's meeting is scheduled for 8:00 a.m. Central Time via live webcast, and Huntsman's meeting is scheduled for 9:00 a.m. Central Time via live webcast. Holders of record as of July 9, 2026, are entitled to vote.

The merger is expected to close in the first half of 2027, subject to customary closing conditions, including regulatory approvals and approval by both Olin shareholders and Huntsman stockholders. The release also includes extensive SEC-related disclosures, proxy solicitation information and forward-looking statement cautions, which are omitted here for brevity.

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