National Storage Mechanism | Additional information

Caledonia Investments plc

Transaction in own shares

Caledonia Investments plc ("Caledonia") announces that on 8 October 2025 it purchased 90,000 of its own ordinary shares of 0.5 pence each ("Ordinary Shares") through Peel Hunt LLP at an average price of 382.00 pence per share. The purchased Ordinary Shares will be cancelled.

	Number of ordinary shares purchased:	90,000
	Lowest price per share paid (pence):	382.00
	Highest price per share paid (pence):	382.00
	Weighted average price paid (pence):	382.00

Following the above transaction, Caledonia's issued share capital includes 524,987,072 Ordinary Shares with voting rights.

For further information, please contact:

Verity Cox

Deputy Company Secretary

Caledonia Investments plc

Telephone +44 20 7802 8080

9 October 2025

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