Henderson Group - Appointment of Director

Henderson Group plc Board appointment

17 August 2012

Henderson Group plc ('Henderson Group') today announces the appointment of Sarah Arkle as a Non-Executive Director of the Henderson Group Board. The appointment of Ms Arkle is subject to obtaining approval from the UK Financial Services Authority under its approved persons regime.

Ms Arkle has been in the financial industry for over 30 years. She joined Allied Dunbar Asset Management in 1983 which became Threadneedle in 1994. She was most recently Vice Chairman of Threadneedle until the end of July 2012 and was Chief Investment Officer until December 2010, a role she held for 10 years. She was instrumental in establishing Threadneedle's investment process and recruiting a number of the firm's senior fund managers. Previously, Ms Arkle worked at the Far Eastern stockbroker WI Carr (Overseas) Limited. She is currently a Non-Executive Director of Foreign & Colonial Investment Trust plc and has been an advisor to the South Yorkshire Pension Fund.

Commenting on the appointment, the Chairman of Henderson Group, Mr Pennant-Rea said: "I am pleased that someone of Sarah's calibre is joining our Board. Her years of asset management experience as a fund manager, Chief Investment Officer and, more recently, as Vice Chairman of Threadneedle, make her a welcome addition to the Board."

Henderson Group plc

47 Esplanade

St Helier

Jersey JE1 0BD

Registered in Jersey

No. 101484

ABN 67 133 992 766