Olin Corporation OLN and Huntsman Corporation HUN have received overwhelming approval from respective shareholders to advance the previously announced all-stock merger of equals to create OlinHuntsman Corporation, establishing a leading North American integrated chemicals producer.
At Olin’s special meeting of shareholders, approximately 97% of votes cast, representing 81% of all outstanding shares, supported the transaction. At Huntsman’s stockholders' meeting, roughly 99% of votes cast, representing 75% of outstanding shares, voted in favor of the transaction.
The approval marks a significant step toward combining Olin’s large-scale chlor-alkali and feedstock capabilities with Huntsman’s specialty downstream products, polyurethane systems and advanced materials businesses. The combined company will have approximately $12.5 billion in 2025 revenues and a broader manufacturing footprint across North America, Europe and Asia.
The merger is expected to deliver more than $400 million in total cost synergies and integration benefits, including more than $300 million from purchasing efficiencies, raw material integration, operational optimization and SG&A savings. An additional $100 million of raw material integration benefits is expected beginning in 2031, while approximately $125 million of cash tax benefits through accelerated utilization of net operating losses is anticipated.
The transaction is expected to close in the first half of 2027, subject to regulatory approvals and other customary closing conditions. The merger will position both companies in a better place to compete in the industry with additional products and enhanced service.
Shares of OLN have lost 25.4% while HUN is down 13.3% over the past year compared with the industry’s 0.8% decline.

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Zacks Rank & Key Picks
OLN and HUN currently carry a Zacks Rank #3 (Hold) each.
Some better-ranked stocks in the Basic Materials space are Neo Performance Materials Inc. NOPMF and Carpenter Technology Corporation CRS.
While NOPMF currently sports a Zacks Rank #1 (Strong Buy), CRS carries a Zacks Rank #2 (Buy). You can see the complete list of today’s Zacks #1 Rank stocks here.
The Zacks Consensus Estimate for NOPMF’s 2026 earnings is pinned at $1.4 per share, indicating a 185.71% year-over-year increase. NOPMF’s shares have gained 93% over the past year.
The Zacks Consensus Estimate for CRS’ fiscal 2027 earnings is pegged at $12.92 per share, indicating a rise of 20.07% year over year. Its earnings beat the Zacks Consensus Estimate in each of the trailing four quarters, with an average surprise of 8.39%.
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Huntsman Corporation (HUN): Free Stock Analysis Report
Olin Corporation (OLN): Free Stock Analysis Report
Carpenter Technology Corporation (CRS): Free Stock Analysis Report
Neo Performance Materials Inc. (NOPMF): Free Stock Analysis ReportThis article originally published on Zacks Investment Research (zacks.com).
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