Why This Matters to Distributors: The merger creates a larger, more vertically integrated supplier serving construction, industrial, manufacturing, and infrastructure markets. Distributors that source chemicals, coatings, adhesives, sealants, composites and industrial materials from Olin or Huntsman could face changes in supplier relationships, product portfolios, pricing strategies, and channel programs as the combined company integrates operations.
Olin Corp. and Huntsman Corp. announced Tuesday that they have agreed to merge in an all-stock transaction that would create a chemical manufacturing company with approximately $12.5 billion in annual revenue and a broader presence across industrial and construction supply chains.
The combined company, to be named OlinHuntsman Corp., would unite Olin’s chlor-alkali, epoxy and chemical manufacturing operations with Huntsman’s specialty chemicals, polyurethane systems, and advanced materials businesses. The companies said the merger is expected to generate more than $400 million in identified cost synergies and integration benefits.
For distributors, the deal represents another step in the ongoing consolidation of the chemical manufacturing sector, where suppliers are seeking greater scale, vertical integration and control over raw materials and production costs. The combined company will supply products used in construction, infrastructure, automotive manufacturing, industrial production, and maintenance applications.
Olin and Huntsman said the transaction will create a more integrated manufacturing platform by combining Olin’s upstream production of chlorine, caustic soda and other feedstocks with Huntsman’s downstream specialty formulations and engineered materials.
The companies said they have identified more than $300 million in cost synergies from procurement, raw material integration, manufacturing optimization, and administrative efficiencies. Most of those savings are expected to be realized within two years of closing. An additional $100 million in raw material integration benefits is expected to begin in 2031.
Under the terms of the agreement, Huntsman shareholders will receive 0.5476 shares of Olin stock for each Huntsman share. Following the transaction, Olin shareholders will own approximately 54.5% of the combined company and Huntsman shareholders will own approximately 45.5%.
The combined business would have generated approximately $12.5 billion in revenue based on 2025 results, making it one of North America’s largest chemical producers. Huntsman reported approximately $6 billion in revenue in 2025.
Olin president and CEO Ken Lane will lead the combined company as CEO. Huntsman CEO Peter Huntsman will serve as nonexecutive chairman of the board. The company will be headquartered in The Woodlands, Texas.
The merger could strengthen the combined company’s position with distributors by expanding its product portfolio across multiple end markets and increasing its ability to supply customers through economic cycles. The companies cited complementary manufacturing assets, expanded downstream capabilities and a significant presence along the U.S. Gulf Coast as key strategic advantages.
Olin’s Winchester ammunition business will remain part of the combined company and continue operating under its existing brand.
The transaction was unanimously approved by the boards of both companies and is expected to close in the first half of 2027, subject to shareholder approval and regulatory review.
The deal ranks among the largest chemical industry transactions announced this year and underscores continued consolidation among suppliers seeking to improve scale, lower production costs and strengthen their positions in industrial and construction markets.
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