Dividend Declaration

Old Mutual PLC
10 August 2005

OLD MUTUAL plc



>> Interim Dividend 2005 (No.12)


The Directors of Old Mutual plc ('the Company') have declared an interim
dividend of 1.85p per share for the six months ended 30 June 2005, to be paid
on Wednesday, 30 November 2005.


The record date for this dividend payment is the close of business on Friday,
21 October 2005 for all the Exchanges where the Company's shares are listed.
The last day to trade cum-dividend on the JSE Limited ('JSE') and other African
Exchanges will be Friday, 14 October 2005, whilst the last day to trade
cum-dividend on the London Stock Exchange will be Tuesday, 18 October 2005. The
shares will trade ex-dividend from the opening of business on Monday, 17
October 2005 on the JSE and the other African Exchanges and from the opening of
business on Wednesday, 19 October 2005 on the London Stock Exchange.


Shareholders on the South African, Zimbabwe and Malawi branch registers and the
Namibian section of the principal register will be paid the local currency
equivalents of the dividend under the Dividend Access Trust arrangements
established in each country. Local currency equivalents of the dividend will be
determined by the Company using exchange rates prevailing at close of business
on Thursday, 6 October 2005 and will be announced by the Company on Friday, 7
October 2005.


Share certificates may not be dematerialised or rematerialised on the South
African branch register between Monday, 17 October and Friday, 21 October 2005,
both dates inclusive, and transfers between the registers may not take place
during that period.


                                               10 August 2005


ENQUIRIES:


Old Mutual plc UK                Miranda Bellord
                                 [phone]

Old Mutual plc SA                Nad Pillay
                                 [phone]


Old Mutual plc is incorporated in England and Wales under the Companies Act
1985 with registration number 3591559 and is registered in South Africa as an
external company with registration number 1999/004855/10.



Copies of the full Interim Results may be obtained from:
Director, Corporate Affairs,
Old Mutual plc at the registered office:
Old Mutual Place
5th Floor, 2 Lambeth Hill, London EC4V 4GG.


ISIN code: GB0007389926
JSE share code: OML
NSX share code: OLM
Issuer code: OLOML


For further information about Old Mutual plc visit www.oldmutual.com


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