Henderson Group - Launch of Debt Issuance

Launch of Debt issuance by Henderson UK Finance plc

18 March 2011

Further to the announcement of 7 March 2011, Henderson Group plc (the 'Group') confirms today the pricing of an issue of £150 million guaranteed notes to be issued by Henderson UK Finance plc and unconditionally and irrevocably guaranteed by the Group and Henderson Global Investors (Holdings) Limited due March 2016 (the 'Notes') at 7.25 per cent. per annum, payable semi-annually. The Notes are expected to be issued on or about 24 March 2011 and the proceeds will be used for general corporate purposes and to assist in meeting the wider group's ongoing debt obligations. The joint lead managers of the issuance are HSBC Bank plc, The Royal Bank of Scotland plc and UBS Limited.

Application will be made to the UK Listing Authority and the London Stock Exchange to list and trade the Notes with effect from the issue date.

Any investment decision in connection with the Notes issue MUST be based solely on the information contained in the final prospectus. The final prospectus for the Notes is expected to be approved by the UK Listing Authority on or about 23 March 2011 and will be available to view via the London Stock Exchange's Regulatory News Service and is expected to be lodged on the Australian Securities Exchange on or about the same date.

Henderson Group plc

47 Esplanade

St Helier

Jersey JE1 0BD

Registered in Jersey

No. 101484

ABN 67 133 992 766

This announcement is for information only and does not constitute or form part of, and should not be construed as, any offer for sale or subscription of, or solicitation of any offer to buy or subscribe for, any securities of Henderson UK Finance plc, the Group or Henderson Global Investors (Holdings) Limited nor should it or any part of it form the basis of, or be relied on in connection with, any contract or commitment whatsoever.

This announcement is being communicated (i) outside the United Kingdom only to persons to whom it is lawful to communicate this announcement; and (ii) in the United Kingdom only to persons who have professional experience in matters relating to investments falling within Article 19(5) of the Financial Services and Markets Act 2000 (Financial Promotion) Order 2005 ("the Order") and to persons to whom it may otherwise be lawful to communicate this announcement (all such persons being referred to as relevant persons). This announcement is only directed at relevant persons.

This announcement is not an offer of securities for sale in the United States and is not for publication or distribution to persons in the United States (within the meaning of Regulation S under the United States Securities Act of 1933, as amended ("the Securities Act"). The Notes have not been and will not be registered under the Securities Act. Accordingly, the Notes may not be offered, sold or delivered in the United States.