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The debt is priced and the deals are not yet closed. (NYSE: CLH) announced September 17, 2026 that it priced a private offering of $600 million in 6.250% senior notes due 2034, at par.
The proceeds are earmarked for two previously announced acquisitions, but the offering carries no contingency on either deal completing. The case for the transaction is legible.
Norwell, Massachusetts-based Clean Harbors is directing proceeds toward EnviroServe, a national environmental and waste management provider, while also retiring revolving credit facility borrowings drawn to partially fund a separate deal, the acquisition of ES&H.
The company appears to have bridged the ES&H purchase on the revolver and is now terming out that cost alongside EnviroServe financing in a single $600 million print.
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