Block Listing of Shares

Old Mutual PLC
23 March 2007


                                 Old Mutual plc

Ref 15/07

23 March 2007


                            Block Listing of Shares

Application has been made to the UK Listing Authority and the London Stock
Exchange for a block listing of 17,000,000 ordinary shares of 10p each in Old
Mutual plc.  These shares are being allotted to trade on the London Stock
Exchange and to be admitted to the Official List upon allotment pursuant to the
Company's obligations under the Old Mutual Share Option and Deferred Delivery
Plan (the 'Scheme').

Participants in the Scheme have or will become entitled to these shares
following the vesting and the exercise of share options under the Scheme. These
shares will rank pari passu with the existing issued ordinary shares of the
Company.


Notes to Editors

Old Mutual

Old Mutual plc is an international savings and wealth management company based
in the UK. Originating in South Africa in 1845, the group has a balanced
portfolio of businesses offering asset management, life assurance, banking and
general insurance services in over 40 countries, primarily South Africa, Europe
and the United States. Old Mutual is listed on the London, Johannesburg and
Stockholm stock exchanges, among others.

By conducting its business worldwide under its core values of integrity, respect
and accountability, Old Mutual aspires to push beyond boundaries to drive value
for all its stakeholders.

In the year ended 31 December 2006, the group reported an increase in adjusted
operating profit of 16% to £1.4 billion (IFRS basis). Old Mutual had £239
billion of funds under management at 31 December 2006, and 53,000 employees.

For further information on Old Mutual plc, please visit the corporate website at
www.oldmutual.com


Enquiries

Investor Relations
Malcolm Bell                   UK        [phone]
Deward Serfontein              SA        [phone]

Media
James Crampton                 UK        [phone]
Nad Pillay                     SA        [phone]



Forward-looking statements

This announcement or presentation may contain certain forward-looking statements
with respect to certain of Old Mutual plc's plans and its current goals and
expectations relating to its future financial condition, performance and
results. By their nature, all forward-looking statements involve risk and
uncertainty because they relate to future events and circumstances that are
beyond Old Mutual plc's control, including, among other things, UK domestic and
global economic and business conditions, market-related risks such as
fluctuations in interest rates and exchange rates, policies and actions of
regulatory authorities, the impact of competition, inflation, deflation, the
timing and impact of other uncertainties or of future acquisitions or
combinations within relevant industries, as well as the impact of tax and other
legislation and other regulations in territories where Old Mutual plc or its
affiliates operate.

As a result, Old Mutual plc's actual future financial condition, performance and
results may differ materially from the plans, goals and expectations set forth
in Old Mutual plc's forward-looking statements. Old Mutual plc undertakes no
obligation to update any forward-looking statements contained in this
announcement or presentation or any other forward-looking statements that it may
make.


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            The company news service from the London Stock Exchange