What is the structure and valuation of the Olin–Huntsman merger, and when is it expected to close?

Olin and Huntsman have agreed to an all-stock merger of equals to form a new company named OlinHuntsman, valued at $12.5 billion. The combined entity expects to generate over $400 million in synergies, and the transaction is anticipated to close in the first half of 2027.

How will Huntsman shareholders be compensated in the merger?

Huntsman shareholders will receive 0.5476 Olin shares for each Huntsman share they hold as part of the all-stock merger agreement.

Olin and Huntsman Agree All-Stock Merger to Form $12B+ OlinHuntsman with $400M+ Synergies

Jun 16, 2026

Olin and Huntsman agreed to an all-stock merger forming a $12.5 billion chemical leader closing in H1 2027. The deal expects over $400 million in synergies, with shareholders receiving 0.5476 Olin shares per Huntsman share.

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