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Goodwill (Tables)

9 Months Ended

Sep. 30, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Goodwill

The following table summarizes the goodwill movements in the year:

(in millions)		2025
Opening balance at January 1		$	382.5
Additions - Oilfield Services			2.0
Exchange effects
Performance Chemicals			15.1
Fuel Specialties			0.2
Closing balance at September 30		$	399.8

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- References

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- Definition

Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

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