Derivative financial instruments (Tables)

6 Months Ended

Jun. 30, 2025

Derivative financial instruments

Schedule of contractual notional amount for the derivative instruments


		June 30,		December 31,
		2025		2024
		$'m		$'m

Derivative instruments
Embedded options within listed bonds^(a)		2,186.0		2,186.0
Foreign exchange swaps		14.5		14.5
		2,200.5		2,200.5

Schedule of fair value of derivative instruments


		June 30,		December 31,
		2025		2024
		$'m		$'m

Derivative instruments
Embedded options within listed bonds		33.6		29.4
Foreign exchange swaps		(10.1)		(10.2)
		23.5		19.2

Schedule of changes in fair value of derivative instruments


		Three months ended				Six months ended
		June 30,		June 30,		June 30,		June 30,
		2025		2024		2025		2024
		$'m		$'m		$'m		$'m

Derivative instruments
Embedded options within listed bonds		1.4		4.0		4.3		10.6
Foreign exchange swaps		—		30.5		0.2		5.6
Interest rate caps		—		0.1		—		0.3
		1.4		34.6		4.5		16.5