OMAM AUM for Q3 2005

Old Mutual PLC 25 October 2005 Old Mutual Asset Management Reports Assets Under Management for Third Quarter 2005 BOSTON--October 24, 2005--Old Mutual Asset Management, the U.S. asset management group of Old Mutual plc (LSE: OML), today announced assets managed by the group's member firms increased 7.0% in the third quarter, from $209.0 billion on June 30, 2005, to $223.7 billion on September 30, 2005. Net inflows of client assets in the quarter totaled $6.6 billion, including $952 million in cash collateral assets, while investment performance in the funds under management at member firms was responsible for $8.2 billion, or 3.9%, of the total increase. Divestitures of non-strategic firms and the addition of one firm, Investment Counselors of Maryland, also accounted for a net reduction of $145 million in group assets under management during the quarter. The addition of Investment Counselors of Maryland reflects the firm's expanded strategic relationship with Old Mutual, which has maintained an ownership interest in ICM since the firm's partial management buy-out in 2001. 'We appreciate our clients' continued support and their belief in our affiliates' ability to deliver high quality investment performance on their behalf, as indicated by the record cash flows we have seen this year,' said Scott Powers, chief executive of Old Mutual Asset Management. Overall for the year-to-date through September 30, assets managed by the group's member firms have increased 21.2%, from $184.6 billion at year-end 2004, driven by net inflows of client assets totaling $26.7 billion. About Old Mutual Asset Management The member firms of Old Mutual Asset Management provide high-quality, actively managed investment products in all major asset classes and investment styles, with each firm focusing on its own specialized area of expertise. The group's parent is Old Mutual plc, an international financial services company based in London, with operations in asset management, life assurance, banking and general insurance. More information on Old Mutual Asset Management member firms, and their investment teams and strategies, is available from the group's Web site at www.oldmutualus.com. Contact: Media: Tucker Hewes, (212) 207-9451, tucker@hewescomm.com Investors: Katie Bell, 44 (0)20 7002 7000, katie.bell@omg.co.uk # # # This information is provided by RNS The company news service from the London Stock Exchange
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