Henderson Group - Director/PDMR Shareholding

Director/PDMR shareholding: Disclosure and Transparency Rules 3.1.4R(1)(a)

28 June 2012

On 27 June 2012 the following ordinary shares in Henderson Group plc were purchased on behalf of the following Non-Executive Directors of Henderson Group plc at a price of 95.6586 pence per share. These shares were acquired on-market on behalf of the Non-Executive Directors in lieu of a portion of annual Non-Executive Director's fees for 2012.

DIRECTOR HENDERSON TOTAL

GROUP PLC BENEFICIAL

SHARES PURCHASED INTEREST

FOLLOWING THIS

NOTIFICATION

Rupert Pennant-Rea 11,018 68,673

Kevin Dolan 3,083 3,083

Duncan Ferguson 5,880 23,908

Tim How 4,323 11,780

Robert Jeens 5,436 14,694

Henderson Group plc

47 Esplanade,

Jersey JE1 0BD

Registered in JerseyNo. 101484

ARBN 133 992 766