Holding(s) in Company

Morgan Crucible Co PLC
24 November 2004

                                   SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)    Name of company:

The Morgan Crucible Company plc


2)    Name of shareholder having a major interest:

Aviva plc through its subsidiary Morley Fund Management Ltd


3)    Please state whether notification indicates that it is in
respect of holding of the shareholder named in 2 above or in respect of a
non-beneficial interest or in the case of an individual holder if it is a
holding of that person's spouse or children under the age of 18:

Beneficial interest of the shareholder named in 2 and its subsidiaries.


4)    Name of the registered holder(s) and, if more than one holder,
the number of shares held by each of them:



BNY Norwich Union Nominees Ltd 2,157,856 shares; Chase GA Group Nominees Ltd
10,510,392 shares; CUIM Nominee Ltd 1,797,125 shares.





5)   Number of shares/amount of stock acquired:

N/A



6)   Percentage of issued class:

N/A



7)   Number of shares/amount of stock disposed:

96,163



8)  Percentage of issued class:

0.03



9)  Class of Security:

Ordinary shares of 25p



10) Date of Transaction:

22nd November 2004



11)  Date company informed:

Faxed letter dated 23/11/04 received 23/11/04



12)  Total holding following this notification:

14,465,373 shares



13)  Total percentage holding of issued class following this
notification:

4.98





14)  Any additional information

N/A



15)  Name of contact and telephone number for queries:

Mr D.J. Coker, Company Secretary tel. [phone]



16)  Name and signature of authorised company official responsible for
making this notification:

Mr D.J. Coker



17)  Date of notification:

24th November 2004








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