Henderson Group - Trading update

Trading update

8 July 2010

Henderson Group plc ('the Group') will be announcing its results for the six months ended 30 June 2010 on 18 August 2010.

However, in order to comply with ASX listing rules, it provides an update today to advise that recurring profit¹ for the six months ended 30 June 2010 is expected to be between £47 million and £49 million (1H09: £27.1 million). This is after recognising deal costs of £3 million in connection with the potential acquisition of RidgeWorth Capital Management, Inc. on which negotiations ceased on 18 June 2010. The recurring profit¹ in the first half of 2010 is expected to include gross performance and transaction fees of approximately £41 million (1H09: £18.7 million).

Andrew Formica, Chief Executive comments: "Markets have remained volatile as governments begin to repair their finances with fiscal tightening leading to a fragility in confidence. In this environment we have capitalised on our investment capabilities and I am pleased with the improvement in profits and the continued momentum in the business."

¹ before intangible amortisation, void property finance charge, non-recurring items and tax.

Henderson Group plc

47 Esplanade

St Helier

Jersey JE1 0BD

Registered in Jersey

No. 101484

ABN 67 133 992 766

Forward-looking statements

This announcement contains forward-looking statements with respect to the financial condition, results and business of Henderson Group. By their nature, forward-looking statements involve risk and uncertainty because they relate to events, and depend on circumstances, that will occur in the future. Henderson Group's actual future results may differ materially from the results expressed or implied in these forward-looking statements. Nothing in this announcement should be construed as a profit forecast.