Director/PDMR Shareholding

Caledonia Investments PLC
01 June 2007

CALEDONIA INVESTMENTS PLC - GRANT OF SHARE OPTIONS AND DEFERRED BONUS AWARDS

Caledonia Investments plc ('Caledonia') announces that on 31 May 2007 the
following option grants and deferred share awards over ordinary 5p shares in
Caledonia were granted to executive directors under the Caledonia Investments
2005 Executive Share Option Scheme (the '2005 Scheme') and the Caledonia
Investments Deferred Bonus Plan (the 'Deferred Bonus Plan'). The company's share
price for the purposes of the exercise price of the options and the Deferred
Bonus Plan awards was 2158p.


Executive Director       No. of shares over which No. of shares subject to Deferred Bonus Plan awards
                         options granted          Compulsory         Voluntary         Matching shares  Total
                                                  deferral           deferral
P N Buckley              0                        3,259              3,259             3,259            9,777
T C W Ingram             33,364                   4,865              4,865             4,865            14,595
C W Cayzer               15,987                   2,919              0                 0                2,919
J H Cartwright           19,114                   2,395              2,994             2,994            8,383
J M May                  22,242                   4,066              3,388             3,388            10,842
J M B Cayzer-Colvin      15,291                   2,363              0                 0                2,363
W P Wyatt                15,291                   2,757              0                 0                2,757

Subject to the rules of the 2005 Scheme, options are exercisable between three
and ten years after the date of grant. Subject to the rules of the Deferred
Bonus Plan, deferred share awards vest three years after award.

The total number of Caledonia shares held under option or deferred share awards
by the above-named executive directors of Caledonia following these option
grants and deferred share awards are as follows:

Executive Director       Total no. of Shares     Total Deferred Bonus Plan share awards
                         held under option
                                                 Compulsory         Voluntary        Matching shares  Total
                                                 deferral           deferral
P N Buckley              130,000                 11,246             7,252            7,252            25,750
T C W Ingram             269,953                 14,982             9,923            9,923            34,828
C W Cayzer               106,895                 7,471              0                0                7,471
J H Cartwright           129,380                 7,709              6,315            6,315            20,339
J M May                  154,319                 11,587             7,148            7,148            25,883
J M B Cayzer-Colvin      102,159                 5,717              0                0                5,717
W P Wyatt                98,007                  6,484              1,863            1,863            10,210



Enquiries:

G P Denison

Company Secretary

Caledonia Investments plc                           020 7802 8080

1 June 2007


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