Net Asset Value(s)

Caledonia Investments PLC
05 July 2007


Caledonia Investments plc

Unaudited net asset values per share at 30 June 2007

Caledonia Investments plc ('Caledonia') announces that its unaudited net asset
values per ordinary share as at 30 June 2007 were 2243p (undiluted) and 2217p
(diluted), after the deduction of the proposed final dividend for the year ended
31 March 2007 of 21.6p per share, which has been recommended by the directors
for approval at the company's Annual General Meeting ('AGM') to be held on 19
July 2007.

The net asset values per share are quoted in accordance with International
Financial Reporting Standards except for the deduction of the recommended final
dividend which will become a formal obligation of the company only if approved
at the forthcoming AGM.

The ordinary shares went ex-dividend on 27 June 2007.

The monthly net asset values per ordinary share, together with performance
statistics and information on the valuation of principal investments, are now
available on Caledonia's website at www.caledonia.com.

                                                                    05 July 2007


Caledonia Investments plc                                     Tel: [phone]

Tim Ingram
Jonathan Cartwright

College Hill Associates                                       Tel: [phone]

Tony Friend
Roddy Watt


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