Holding(s) in Company

Ricardo PLC
20 February 2007



TR-1(i): notification of major interests in shares

1. Identity of the issuer or the underlying issuer Ricardo Plc
of existing shares to which voting rights are      --------------------
attached(1):
-------------------------------

2. Reason for the notification (please tick the appropriate box or boxes):
N/A See additional information                                              -------
--------------------------------------------
An acquisition or disposal of voting rights
--------------------------------------------                               -------
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
--------------------------------------------                               -------


3. Full name of person(s) subject to the           Legal & General Group Plc
notification obligation(1):                        (Group)
                                                   Legal & General Investment
                                                   Management Limited (LGIM)
                                                   Legal & General Group Plc (L&G)

                                                   --------------------
4. Full name of shareholder(s) (if different from  Legal & General Assurance
3.)(1):                                            (Pensions Management) Limited
-------------------------------                    (PMC)
                                                   --------------------
5. Date of the transaction and date on which the   n/a
threshold is crossed or reached(1):                --------------------
-------------------------------
6. Date on which issuer notified:                  19/02/07
-------------------------------                    --------------------
7. Threshold(s) that is/are crossed or reached:    Above 5% (Group)
                                                   Above 5% (LGIM)
                                                   Above 3% (L&G)
                   ------------------------------- --------------------

8. Notified details:

A: Voting rights attached to shares
Class/   Situation       Resulting situation after the triggering transaction(1)
type of  previous to the
shares   Triggering
         transaction (1)

if
possible Number   Number Number of   Number of voting rights % of voting
using    of       of     shares      ix                      rights
the ISIN Shares   Voting
CODE              Rights Direct      Direct x    Indirect    Direct   Indirect
                  viii                           xi

GBP Ord  3,325,984       3,391,912   3,391,912   1,381,444     6.69       2.72
0.25     6.65%
         (Under S-198 on
         12/07/06)

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

Total (A+B)
Number of voting rights                      % of voting rights
4,773,356                                    9.41



9. Chain of controlled undertakings through which the voting rights and/or the financial
instruments are effectively held, if applicable xv:

Legal & General Group Plc (Direct and Indirect) (Group)
(4,773,356 - 9.41% = Total Position)

Legal & General Investment Management (Holdings) Limited
(LGIMH) (Direct and Indirect) (4,773,356 - 9.41% = Total
Position)

Legal & General Investment Management Limited (Indirect)
(LGIM) (4,773,356 - 9.41% = Total Position)

Legal & General Group Plc (Direct) (L&G) (3,391,912 - 6.69% = LGAS, LGPL & PMC)

Legal & General Investment Management           Legal & General Insurance Holdings Limited
(Holdings) Limited (Direct) (LGIMHD) (1,639,766 (Direct) (LGIH) (1,752,146 - 3.45% = LGAS &
- 3.23% = PMC)                                  LGPL)

Legal & General Assurance (Pensions Management) Legal & General Assurance Society Limited
Limited (PMC) (1,639,766 - 3.23%)               (LGAS & LGPL) (1,752,146 - 3.45% = 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. Additional           Notification using the total voting rights figure of
information:             50,698,733

14. Contact name:        Helen Lewis

15. Contact
telephone number:        020 7528 6742

Notes to the Forms
--------------------------
(i) This form is to be sent to the issuer or underlying issuer and to be filed
with the competent authority.



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