Holding(s) in Company

Ricardo PLC
14 August 2007



TR-1: notification of major interests in shares

1. Identity of the issuer or the underlying       Ricardo Plc
issuer of existing shares to which voting rights  --------------------
are attached:
-------------------------------
2. Reason for notification (yes/no)
-------------------------------------------------
                                                                       ---------
An acquisition or disposal of voting rights                            Yes
------------------------------------------                             ---------
An acquisition or disposal of financial instruments which may result
in the acquisition of shares already issued to which voting rights are    ---------
attached
------------------------------------------
An event changing the breakdown of voting rights
------------------------------------------                                ---------
Other (please specify):______________
------------------------------------------                                ---------
3. Full name of person(s) subject to the          Legal & General Group Plc (L&G)
notification obligation:                          --------------------
-------------------------------
4. Full name of shareholder(s) (if different from Legal & General Assurance
3.):                                              (Pensions Management) Limited
-------------------------------                   (PMC)
                                                  --------------------
5. Date of the transaction (and date on which the 08/08/07
threshold is crossed or reached if different):    --------------------
-------------------------------
6. Date on which issuer notified:                 14/08/07
-------------------------------                   --------------------
7. Threshold(s) that is/are crossed or reached:   From 5% - 6% (L&G)
-------------------------------                   --------------------

8. Notified details:

A: Voting rights attached to shares
Class/   Situation previous to   Resulting situation after the triggering transaction
type of  the Triggering
shares   transaction
if
possible
using    Number of   Number of   Number of   Number of voting       % of voting
the ISIN Shares      Voting      shares      rights                 rights
CODE                 Rights
                                 Direct      Direct      Indirect   Direct   Indirect

Ord      3,003,207   3,003,207   3,106,589   3,106,589                6.12
25p

B: Financial Instruments
Resulting situation after the triggering transaction
Type of      Expiration Exercise/     Number of voting rights that may  % of
financial    date       Conversion    be acquired if the instrument is  voting
instrument              Period/       exercised/ converted.             rights
                        Date

Total (A+B)
Number of voting rights                      % of voting rights
                                 3,106,589                                6.12



9. Chain of controlled undertakings through which the voting rights and/or the financial
instruments are effectively held, if applicable:
Legal & General Group Plc (Direct and Indirect) (Group)
(4,247,355 - 8.37% = Total Position)
Legal & General Investment Management (Holdings) Limited
(LGIMH) (Direct and Indirect) (4,247,355 - 8.37% = Total
Position)
Legal & General Investment Management Limited (Indirect)
(LGIM) (4,247,355 - 8.37% = Total Position)
Legal & General Group Plc (Direct) (L&G) (3,106,589 - 6.12% = LGAS, LGPL & PMC)
Legal & General Investment Management           Legal & General Insurance Holdings Limited
(Holdings) Limited (Direct) (LGIMHD) (1,799,443 (Direct) (LGIH)
- 3.54%=PMC)
Legal & General Assurance (Pensions Management) Legal & General Assurance Society Limited
Limited (PMC) (1,799,443 - 3.54% = PMC)         (LGAS & LGPL)
                                                Legal & General Pensions Limited (Direct)
                                                (LGPL)

Proxy Voting:
10. Name of the proxy holder:                                             N/A
11. Number of voting rights proxy holder will cease to hold:              N/A
12. Date on which proxy holder will cease to hold voting rights:          N/A

13.          Notification using the total voting rights figure of 50,698,733
Additional
information:

             Please note this notification has been delayed due to the large
             number of disclosures required following a substantial amount of
             new business which has come to us in the form of an in-specie
             transfer.
14. Contact  Helen Lewis (LGIM)
name:
15. Contact
telephone
number:      020 7528 6742




                      This information is provided by RNS
            The company news service from the London Stock Exchange