Appointment of Joint Broker

Derwent London PLC 20 March 2007 20 March 2007 Derwent London plc ('Derwent London' / the 'Company') Appointment of Joint Broker Derwent London, Derwent Valley Holding plc's new name following its merger with London Merchant Securities plc in February 2007, announces that JP Morgan Cazenove has been appointed, with immediate effect, to act as joint broker with UBS, the Company's existing broker. - Ends - For further information please contact: Derwent London Tel: 020 7659 3000 John Burns Financial Dynamics Tel: 020 7831 3113 Stephanie Highett This information is provided by RNS The company news service from the London Stock Exchange