Holding(s) in Company

Morgan Crucible Co PLC
17 March 2008

TR-1: Notification of Major Interests in Shares


     
1.   Identity of the issuer or the underlying issuer of existing shares to which
     voting rights are attached:

     The Morgan Crucible Company plc


2.   Reason for the notification
     (please place an X inside the appropriate bracket/s):

     An acquisition or disposal of voting rights: (X)

     An acquisition or disposal of financial instruments which may result 
     in the acquisition of shares already issued to which voting rights are 
     attached: (   )

     An event changing the breakdown of voting rights: (   )

     Other (please specify): (   )


3.   Full name of person(s) subject to notification obligation:

     Resolution Investment Services Limited


4.   Full name of shareholder(s) (if different from 3):


5.   Date of transaction (and date on which the threshold is crossed or reached 
     if different):

     14 March 2008


6.   Date on which issuer notified:

     14 March 2008


7.   Threshold(s) that is/are crossed or reached:

     5%


8.  Notified Details:

A:  Voting rights attached to shares


Class/type of shares if possible              Situation previous to the triggering transaction
use ISIN CODE
                                  Number of shares                   Number of voting rights


GB0006027295




                                                 Resulting situation after the triggering transaction
Class/type of shares if       Number of shares          Number of voting rights               % of voting rights
possible use ISIN CODE
                                                        Direct         Indirect               Direct       Indirect


GB0006027295                                                           13,268,316                          4.92%



B: Financial Instruments

Resulting situation after the triggering transaction


Type of         Expiration date      Exercise/conversion       No. of voting rights that   % of voting rights
financial                            period/date               may be acquired (if the
instrument                                                     instrument exercised/
                                                               converted)





Total (A+B)
Number of voting rights        % of voting rights


13,268,316                     4.92%


9.   Chain of controlled undertakings through which the voting rights and/or the
     financial instruments are effectively held, if applicable:

     Resolution Group Plc
     Resolution Asset Management Limited
     Resolution Investment Services Limited (indirect)
     Bank of New York Nominees Limited (2,043,194  0.76%)
     Vidacos Nominees Limited (11,225,122  4.16%)


Proxy Voting:


     
10.  Name of proxy holder:



11.  Number of voting rights proxy holder will cease to hold:



12.  Date on which proxy holder will cease to hold voting rights:



13.  Additional information:



14.  Contact name:

     Mrs Tracey Bigmore



15.  Contact telephone number:

     01753 837000


                      This information is provided by RNS
            The company news service from the London Stock Exchange