OLIN Corp (OLN) · Oct 28, 2026 · New debt

Olin debt refinancing locks in merger funding, adds secured leverage

Debt refinanced — $750M term loan plus $1.75B revolver; five-year maturity

Olin’s debt refinancing creates $2.5 billion of merger facilities, replacing existing credit while adding secured collateral and tighter leverage tests.

Olin is in the pre-close financing phase of its planned merger with Huntsman, a combination designed to join Olin’s upstream chlorine and caustic-soda platform with Huntsman’s downstream chemicals businesses and pursue more than $300 million of identified synergies. The filing makes that merger financially executable. Olin has signed a replacement credit package that will refinance its existing loans, repay Huntsman’s revolver and fund the combined company at closing—not an unexpected strategic move, but a concrete step from announced deal to closing mechanics. 〔0〕

Facility / termFiling detail
New term loan$750 million (Second Amendment, Section C)
New revolving facility$1.75 billion (Second Amendment, Section C)
Combined committed facilities$2.50 billion (calculated from the two facilities)
Term-loan marginSOFR/EURIBOR/SONIA + 1.500%–2.125% (credit terms)
Scheduled amortization1.250% quarterly through the fourth anniversary; 1.875% thereafter (credit terms)
MaturityFive years after closing (credit terms)
Net leverage covenant5.50x initially, stepping down to 4.00x by March 2029 (credit terms)
Interest-coverage covenant2.50x initially, stepping up to 3.00x by March 2029 (credit terms)

The package adds liquidity, but it is not a clean balance-sheet improvement. The $750 million term loan is expected to be fully drawn, while the revolver provides a larger liquidity backstop; however, the filing does not disclose the existing balances being replaced, so the net increase in debt cannot be determined. The five-year maturity and refinancing structure reduce near-term refinancing pressure, but the combined company will carry new term debt and quarterly amortization.

Lenders are protecting themselves against merger-execution risk. Following closing, the facilities will be guaranteed by certain Olin and Huntsman subsidiaries and secured by first-priority liens during the collateral period. 〔1〕 The agreement also requires asset-sale and casualty proceeds to repay term loans unless reinvested, and it restricts dividends and additional debt more tightly while collateral remains in place.

The covenant structure assumes a demanding post-merger deleveraging path. The agreement permits net leverage up to 5.50x in the earliest quarters but requires that threshold to fall to 4.00x by March 31, 2029, while minimum interest coverage rises from 2.50x to 3.00x. Those thresholds are partly cushioned by permitted EBITDA add-backs, including up to $300 million of cost savings initially, so reported covenant EBITDA may benefit from projected merger synergies before all savings are realized.

Bottom line: This is a meaningful financing milestone that turns the Huntsman merger from an announced combination into a funded transaction plan. The trade-off is clear: Olin gains the credit capacity needed to close and operate the combined company, but lenders receive collateral, mandatory repayment rights and tighter leverage controls in return.

What to watch next

Olin-Huntsman merger closing

Original filing on SEC EDGAR

More OLIN Corp news

Olin debt refinancing locks in merger funding, adds secured leverage | OLN Stock News
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