OLIN Corp (OLN) · Aug 25, 2026 · Acquisition

Olin clears Huntsman merger vote, but regulators still stand between deal and close

Shareholder approval — 97% of Olin votes cast and 99% of Huntsman votes cast approved

Olin and Huntsman shareholders approve the all-stock merger, but regulatory reviews keep the first-half 2027 closing timeline conditional.

The vote was an expected milestone, not a fresh strategic surprise. The merger was already announced and shareholder approval was a stated closing condition, so the core event confirms the existing deal thesis rather than changing it. The new detail is the scale of support: approximately 97% of Olin votes cast and 99% of Huntsman votes cast backed the transaction. 〔0〕

Shareholder opposition does not appear to be a meaningful execution risk. Approval represented 81% of Olin’s outstanding shares and 75% of Huntsman’s outstanding shares, giving the deal broad participation and support. 〔1〕

The transaction still has a substantial remaining hurdle. The companies continue to target a first-half 2027 close, but regulatory approvals and other customary conditions remain outstanding; final voting results also still require certification. 〔2〕

Net read: confirmation, not a beat. The strong vote removes shareholder approval as a deal risk, but it does not accelerate the timeline, add new economics, or resolve regulatory uncertainty. Relative to what investors could already expect from a scheduled vote on a previously announced merger, this is broadly in line.

What to watch next

Regulatory approvals before expected first-half 2027 close

Original filing on SEC EDGAR

More OLIN Corp news

Olin clears Huntsman merger vote, but regulators still stand between deal and close | OLN Stock News
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