Transaction in Own Shares

Caledonia Investments plc

Transaction in Own Shares

Caledonia Investments plc ("Caledonia") announces that on 8 August 2011 it purchased 40,000 of its own ordinary shares of 5p each at an average price of 1549.7202 per share. The purchased shares will be cancelled.

Following the above purchase, Caledonia has 58,152,551 ordinary shares in issue excluding 572,230 of its ordinary shares held in treasury. 

For further information, please contact:

Graeme P Denison

Company Secretary

Caledonia Investments plc

Telephone +44 20 7802 8080

8 August 2011