Director/PDMR Shareholding

Caledonia Investments PLC
28 January 2008

Annex DTR3



Notification of Transactions of Directors/Persons Discharging Managerial
Responsibility and Connected Persons





All relevant boxes should be completed in block capital letters.


1.  Name of the issuer                                2.  State whether the notification relates to (i) a
                                                          transaction notified in accordance with DTR 3.1.2
                                                          R,
                                                          (ii) a disclosure made in accordance LR 9.8.6R(1)
    Caledonia Investments plc                             or
                                                          (iii) a disclosure made in accordance with
                                                          section 793 of the Companies Act (2006).



                                                          (i)





3.  Name of person discharging managerial             4.  State whether notification relates to a person

    responsibilities/director                             connected with a person discharging managerial
                                                          responsibilities/director named in 3 and identify
                                                          the connected person

                                                          Mr Thompson's sister

    David Thompson                                        Ms Elizabeth Helen Wilson Thompson




5.  Indicate whether the notification is in respect   6.  Description of shares (including class),
    of a holding of the person referred to in 3 or 4      debentures or derivatives or financial
    above or in respect of a nonbeneficial                instruments relating to shares

    interest 1

                                                          Ordinary 5p

    Beneficial holding of person named in  4 above


7.  Name of registered shareholders(s) and, if more   8.  State the nature of the transaction
    than one, the number of shares held by each of
    them

                                                          Purchase

    HALB  Nominees Ltd

    Designation  a/c 037478


9.  Number of shares, debentures or financial         10. Percentage of issued class acquired (treasury
                                                          shares of that class should not be taken into
    instruments relating to shares acquired               account when calculating percentage)



                                                          0.0017%

    1,000 shares


11. Number of shares, debentures or financial         12. Percentage of issued class disposed (treasury
                                                          shares of that class should not be taken into
    instruments relating to shares disposed               account when calculating percentage)



                                                          N/A

    N/A


13. Price per share or value of transaction           14. Date and place of transaction

                                                          25  January 2008

    2052.75p                                              London


15. Total holding following notification and total    16. Date issuer informed of transaction
    percentage holding following notification (any
    treasury shares should not be taken into account
    when calculating percentage)


                                                          27 January 2008


    Beneficial : 2,000 shares   0.0034%








If a person discharging managerial responsibilities has been granted options by
the issuer

complete the following boxes


17. Date of grant                                     18. Period during which or date on which exercisable








19. Total amount paid (if any) for grant of the       20. Description of shares or debentures involved
    option                                                (class and number)






21. Exercise price (if fixed at time of grant) or     22. Total number of shares or debentures over which
                                                          options held following notification
    indication that price is to be fixed at the time
    of exercise








23. Any additional information                        24. Name of contact and telephone number for queries

    Shares purchased by Mr Thompson  for his sister
    under a power of attorney.
                                                          G P Denison  [phone]







Name of authorised official of issuer responsible for making notification



Date of notification     28th January 2008

G P Denison , Company Secretary__________________________







Notes:    This form is intended for use by an issuer to make a RIS notification
required by DR 3.3.


(1)   An issuer making a notification in respect of a transaction relating to the shares or
      debentures of the issuer should complete boxes 1 to 16, 23 and 24.
(2)   An issuer making a notification in respect of a derivative relating the shares of the issuer
      should complete boxes 1 to 4, 6, 8, 13, 14, 16, 23 and 24.
(3)   An issuer making a notification in respect of options granted to a director/person discharging
      managerial responsibilities should complete boxes 1 to 3 and 17 to 24.
(4)   An issuer making a notification in respect of a financial instrument relating to the shares of
      the issuer (other than a debenture) should complete boxes 1 to 4, 6, 8, 9, 11, 13, 14, 16, 23
      and 24.




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