Olin to acquire Huntsman in $2.43 billion all-stock deal
Olin’s all-stock tie-up with Huntsman will create a $12 billion chemical giant as weak demand and cost pressure push the industry toward scale.
Olin agreed to buy Huntsman in an all-stock merger of equals valued at about $2.43 billion, a deal that brings together two long-running U.S. chemical makers at a moment when the sector is under strain from soft demand, volatile inputs and the constant need to keep plants running efficiently. The companies said the combined business will generate more than $12 billion in annual revenue and more than $400 million in cost synergies and integration benefits.
The terms give Huntsman shareholders 0.5476 Olin shares for each share they own. That values Huntsman at an implied $13.85 a share, about 12.8% below its last close before the announcement. The market’s first reaction was sharp: Huntsman fell about 13% in morning trading and Olin slipped about 2.4%, a sign that investors are still weighing the promised savings against the difficulty of pulling off a large industrial combination.
The merged company will be renamed OlinHuntsman Corporation and will be headquartered in The Woodlands, Texas. Olin Chief Executive Ken Lane is set to lead the new company, while Huntsman Chief Executive Peter Huntsman will become non-executive chairman. The deal is expected to close in the first half of 2027, extending the integration timeline well beyond the announcement and into a period when chemical markets could still be choppy.
The logic is rooted in scale and vertical integration. Olin said Winchester, its ammunition division, will remain a core part of the portfolio, while the combined chemical business would unite Olin’s chlorine, caustic soda and other feedstock capabilities with Huntsman’s downstream products and formulation expertise. UBS analyst Joshua Spector said the deal appeared driven mainly by vertical integration and cost-saving opportunities rather than a push into new end markets.
The numbers show why management sees consolidation as a practical answer to a difficult market. Olin was incorporated in 1892 and reported $6.8 billion in 2025 sales, including $3.7 billion from its chlor-alkali business and $1.7 billion from Winchester last year. Huntsman, founded in 1982 by Jon M. Huntsman Sr., reported $5.7 billion in sales, with polyurethane as its largest segment at $3.7 billion. Fitch Ratings placed the long-term issuer default ratings and issue-level ratings of Olin, Huntsman and Huntsman International on Rating Watch Positive after the announcement, signaling that credit analysts see potential balance-sheet benefits if the merger lands as planned.
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