Security Release

Man Group plc
10 January 2007




Notification is given pursuant to Disclosure Rule 3.1.4R(1)(a) and Section 328
Companies Act 1985 (Disclosure Rule 3.1.4R(1)(b)) that on 9th January 2007 the
security interest of the Employee Trust was decreased by 1,190,538 shares for
nil consideration. The Employee Trust now has a security interest over 846,438
shares of 3 US cents each in Man Group plc.

Executive Directors of the Company are deemed to be interested in the 846,438
shares over which the Employee Trust holds a security interest.





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