Holding(s) in Company

Morgan Crucible Co PLC
20 March 2007

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


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

2. Reason for the notification     (please tick the appropriate box or boxes)

An acquisition or disposal of voting rights                                                  

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):  Implementation of Transparency Directive                                 x

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

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):

6. Date on which issuer notified:                                             19th March 2007


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


8. Notified details:


A: Voting rights attached to shares

Class/type of    Situation previous to Resulting situation after the triggering transaction(vii)
shares           the Triggering
                 transaction (vi)
 if possible     Number of  Number of  Number of    Number of voting rights   % of voting rights
using the ISIN   Shares     Voting     shares       ix
CODE                        Rights
                            viii       Direct       Direct  x    Indirect xi  Direct       Indirect

GB0006027295     n/a        n/a        13,613,713   13,613,713   -            4.72%        0.00%


B: Financial Instruments

Resulting situation after the triggering transaction xii
Type of financial    Expiration date Exercise/ Conversion      Number of voting rights    % of voting
instrument           xiii            Period/ Date xiv          that may be acquired if    rights
                                                               the instrument is
                                                               exercised/ converted.



Total (A+B)

Number of voting rights                            % of voting rights

 13,613,713                                          4.72%


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:                            Miranda Beacham

15. Contact telephone number:                0131 549 3460

Annex Notification Of Major Interests In Shares xvi

A: Identity of the person or legal entity subject to the notification obligation

Full name (including legal form for legal entities)        AEGON Asset Management UK plc

Contact address (registered office for legal entities)     AEGON House,
                                                           3 Lochside Avenue,
                                                           Edinburgh Park,
                                                           Edinburgh,
                                                           EH12 9SA

Phone number                                               0870 60 90 101

Other useful information (at least legal representative    Ian G Young, Company secretary,
for legal persons)
                                                           0131 549 6398



B:        Identity of the notifier, if applicable xvii

Full name                                                  Miranda Beacham

Contact address                                            AEGON House,
                                                           3 Lochside Avenue,
                                                           Edinburgh Park,
                                                           Edinburgh,
                                                           EH12 9SA

Phone number                                               0131 549 3460

Other useful information (e.g. functional relationship
with the person or legal entity subject to the
notification obligation)


C:        Additional information


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