Net Asset Value(s)

Caledonia Investments PLC
05 May 2006




Caledonia Investments plc


Unaudited net asset value per share at 30 April 2006


Caledonia Investments plc ('Caledonia') announces that its unaudited net asset
value per ordinary share as at 30 April 2006 was 2069p, before the deduction of
a final dividend to be proposed by the directors for the year ended 31 March
2006.


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


                                                                     05 May 2006


Caledonia Investments plc                                     Tel: [phone]

Tim Ingram

Jonathan Cartwright

College Hill Associates                                       Tel: [phone]

Tony Friend

Roddy Watt


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