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Goldman Sachs

June 17, 2026

Americas Chemicals: Olin and Huntsman Merger of Equals

Sector ReportEquitiesMaterials

Olin Corp and Huntsman announced an all-stock merger of equals to form OlinHuntsman. The deal targets over $400mn in cost synergies and is expected to close in the first half of 2027.

Key Takeaways

  • 1.Olin (OLN) and Huntsman (HUN) announced an all-stock merger of equals to create a new entity named OlinHuntsman.
  • 2.The merger aims to achieve $400mn+ in cost synergies and integration benefits, with the majority realized within the first two years.
  • 3.The transaction is expected to close in 1H27, pending shareholder and regulatory approvals.

Table of Contents

  • What was announced
  • Strategic and financial rationale
  • More on company expected deal synergies
  • Pro forma sales and EBITDA
  • Transaction details
  • Stock performance
  • Valuation and Key Risks
  • Disclosure Appendix

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