Holding(s) in Company

Morgan Crucible Co PLC
04 May 2007



TR-1(i): NOTIFICATION OF MAJOR INTERESTS IN SHARES



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

The Morgan Crucible Company plc



2. Reason for the notification (please state Yes/No): (    )



An acquisition or disposal of voting rights: ( Y )



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



An event changing the breakdown of voting rights: ( N  )



Other (please specify) : ( N )  Disclosure for transparency purposes



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

AEGON UK Group of Companies



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







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

3rd May 2007



6. Date on which issuer notified:

4th May 2007



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

4%-5%



8. Notified details:





A: Voting rights attached to shares


Class/type of shares if possible           Situation previous to the Triggering transaction (vi)
using the ISIN CODE
                                  Number of shares                   Number of voting Rights (viii)


GB0006027295                      14,247,718                         14,247,718





Resulting situation after the triggering transaction (vii)


Class/type of shares if      Number of shares         Number of voting rights (ix)         % of voting rights
possible using the ISIN CODE
                             Direct                   Direct       Indirect                Direct   Indirect

                             14,607,718               14,607,718   0                       5.12%    0.00%




B: Financial Instruments

Resulting situation after the triggering transaction (xii)


Type of         Expiration Date       Exercise/Conversion       Number of voting rights     % of voting rights
financial       (xiii)                Period/ Date (xiv)        that may be acquired if the
instrument                                                      instrument is exercised/
                                                                converted.








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


14,607,718                     5.12%



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

AEGON UK Group of Companies - parent undertaking of:

AEGON Asset Management UK plc

AEGON Investment Management UK Ltd

AEGON ICVC



Proxy Voting:



10. Name of the proxy holder:

AEGON UK Group of Companies



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

N/A



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

N/A.................

13. Additional information:

AEGON UK Group of Companies consists of:

AEGON Asset Management UK plc

AEGON Investment Management UK Ltd

AEGON ICVC



14. Contact name:

Mr Paul Andrew Boulton

Company Secretary



15. Contact telephone number:

01753 837000








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