Blocklisting Interim Review

Ricardo PLC
12 March 2008


                        BLOCK LISTING SIX MONTHLY RETURN

Information provided on this form must be typed or printed electronically and
provided to an ris.

Date: 12 March 2008

Name of applicant:                        Ricardo plc
Name of scheme:                           The Ricardo plc 2000 Savings Related
                                          Share Option Scheme
Period of return:              From:      25 October 2007 To:    11 March 2008

Balance of unallotted securities under    171,457 ordinary shares of 25 pence
scheme(s) from previous return:           each
Plus: The amount by which the block       nil
scheme(s) has been increased since the
date of the last return (if any increase
has been applied for):
Less: Number of securities issued/        118,069 ordinary shares of 25 pence
allotted under scheme(s) during period    each
(see LR3.5.7G):
Equals: Balance under scheme(s) not yet   53,388 ordinary shares of 25 pence each
issued/allotted at end of period:

Name of contact:                                 David Oglethorpe
Telephone number of contact:                     01926 319302

                        BLOCK LISTING SIX MONTHLY RETURN

Information provided on this form must be typed or printed electronically and
provided to an ris.

Date: 12 March 2008

Name of applicant:                        Ricardo plc
Name of scheme:                           The Ricardo plc 1994 Executive Share
                                          Option Scheme, and
                                          The Ricardo plc 1996 Long Term Incentive
                                          Plan
Period of return:              From:      25 October 07   To:    11 March 2008
Balance of unallotted securities under    55,434 ordinary shares of 25 pence each
scheme(s) from previous return:
Plus: The amount by which the block       nil
scheme(s) has been increased since the
date of the last return (if any increase
has been applied for):
Less: Number of securities issued/        50,000 ordinary shares of 25 pence each
allotted under scheme(s) during period
(see LR3.5.7G):
Equals: Balance under scheme(s) not yet   5,434 ordinary shares of 25 pence each
issued/allotted at end of period:

Name of contact:                                 David Oglethorpe
Telephone number of contact:                     01926 319302






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