Director/PDMR Shareholding

Ricardo PLC
17 October 2007

Director/PDMR Shareholdings

1)                  1996 Long Term Incentive Plan Cycle 9 vesting

The Company announces that on 16 October 2007, awards of ordinary shares of 25p
each in Ricardo plc in relation to the three year Plan Cycle ending in June 2007
and made under the Company's 1996 Long Term Incentive Plan to the directors and
PDMRs set out below were subject to TSR performance conditions and vested as
follows:

Director/PDMR                          Shares vesting

Dave Shemmans                               15,443

Steve Parker                                27,237

Paul McNamara                                3,534

Bob Allsopp                                 14,815

Mark Garrett                                 3,398

2)                  Steve Parker deferred shares vesting

The Company announces that on 16 October 2007 a deferred share award made to
Steve Parker, a director of the Company, on 26 September 2005 over 43,314
ordinary shares of 25p each in Ricardo plc (including dividend entitlements),
and not subject to performance conditions, vested in full.

Following the notifications above, their total holdings are as follows:

Director/    Total holdings following this        % of Company's issued share
PDMR         notification                         capital
Dave                       19,703                           0.04%
Shemmans

Steve                      86,746                           0.17%
Parker

Paul                        3,534                           0.01%
McNamara

Bob                        14,815                           0.03%
Allsopp

Mark                        5,320                           0.01%
Garrett




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