Transaction in Own Shares

Caledonia Investments plc

29 March 2018

Transactions in Own Shares

Caledonia Investments plc (the "Company") announces that it has given an irrevocable instruction to Winterflood Securities Limited to purchase its ordinary shares under the authority to purchase shares approved by shareholders on 20 July 2017. Any shares purchased will be cancelled.

The instruction is valid from 1 April 2018 to 23 May 2018, being the day prior to the release on 24 May 2018 of the announcement of the Company's final results for the year ending 31 March 2018.

Any purchases will be effected within certain pre-set parameters, and in accordance with the Company's general authority to purchase its shares and Chapter 12 of the Listing Rules and any trading decisions will be made by Winterflood Securities Limited independently of, and uninfluenced by, the Company.

The Company confirms that it currently has no inside information relating to the Company which has not been publicly disclosed.

Contacts

Caledonia Investments plc +44 20 7802 8080

Will Wyatt (Chief Executive)

Stephen King (Finance Director)

Tulchan Communications +44 20 7353 4200

Peter Hewer

END