Holding(s) in Company

Morgan Crucible Co PLC
09 June 2006

                               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:

Schroder Investment Management Limited





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:  non-
beneficial





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



Schroder Nominees Limited 3,134,589 shares; Brown Brothers Harriman 1,492
shares;Banque Internationale a Luxembourg 246,400 shares; Chase Manhattan Bank
699,600 shares; Chase Nominees Limited 8,483,040 shares; Chase Nominees Limited
a/c 03886 693,900 shares; CitiBank 1,855,956 shares; Investors Tst & Custodial
Services 200,000 shares; Mellon Nominees (UK) Limited 2,320,200 shares; Nortrust
Nominees Limited 6,029,993 shares; State Street Bank and Trust Co 312,535
shares; State Street Nominees Limited 9,350,579 shares; State Street Nominees
Limited a/c 5H57 1,076,329 shares.





5)             Number of shares/amount of stock acquired:

Not known



6)            Percentage of issued class:

Not known



7)            Number of shares/amount of stock disposed:

Not known



8)            Percentage of issued class:

Not known



9)            Class of Security:

Ordinary shares of 25p



10)        Date of Transaction:

Not known



11)        Date company informed:

Faxed letter dated 9/6/06



12)        Total holding following this notification:

34,404,613 shares



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

11.726%





14)        Any additional information

N/A



15)        Name of contact and telephone number for queries:

Mr D.J. Coker tel. [phone]



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

Mr D.J. Coker



17)        Date of notification:

9th June 2006








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