Olin announces $12.5B all-stock merger of equals with Huntsman, targeting $400M+ synergies

Filed June 16, 2026 · Period ending June 16, 2026 · ~2 min read

Key Changes

• high

  Olin and Huntsman enter definitive merger agreement with 0.5476 exchange ratio (Olin shares per Huntsman share), creating 54.5%/45.5% ownership split; combined company to be named OlinHuntsman Corporation with $12.5B 2025 revenue.

  Item 7.01 verify on EDGAR →
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  Companies identify $400M+ annual cost synergies: $300M+ within 3 years (roughly $75M each from purchasing/operations, $150M from SG&A), plus $100M+ raw material integration benefits starting 2031 and $125M cash tax benefits from NOLs.

  Exhibit 99.1 verify on EDGAR →
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  Ken Lane (Olin CEO) to lead combined company as CEO; Peter Huntsman (Huntsman Chairman/CEO) becomes non-executive Chairman; Phil Lister (Huntsman CFO) becomes CFO; 10-member board split equally between both companies.

  Exhibit 99.1 verify on EDGAR →