Dividend rates

5 September 2008

Henderson Group plc wishes to confirm that shareholders on the register at 5.00pm today, the Record Date, will be entitled to a dividend in respect of the six months ended 30 June 2008 of 1.85 pence per ordinary share. 

For holders of CHESS Depositary Interests (CDIs), the A$ or the NZ$ equivalent will be 3.943432 cents* (Australia) and 4.835924 cents* (New Zealand) per CDI respectively.

The dividend will be paid on 26 September 2008.

The timetable is as follows:

Record Date for dividend                                                    Fri 5 September

Processing recommences for requests by CDI holders to

convert CDIs into ordinary shares and by ordinary 

shareholders to convert ordinary shares into CDIs            Mon 8 September

Dividend payment date                                                        Fri 26 September

*The exchange rates that have been applied in translating the dividend amount are as follows:                       

£1 = A$2.131585 and £1 = NZ$2.614013

.

                                                                                                                             Henderson Group plc

4 Broadgate

London EC2M 2DA

Registered in England 

                                                                                                                                No. 2072534  

                                                                                                ABN 30 106 988 836

For further information:

www.henderson.com or

Mav Wynn

Head of Investor Relations

mav.wynn@henderson.com

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