Holding(s) in Company

Ricardo PLC
31 August 2007



TR-1(i): NOTIFICATION OF MAJOR INTERESTS IN SHARES

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

Ricardo plc

2. Reason for the notification (please state 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: ( No )

An event changing the breakdown of voting rights: ( No )

Other (please specify) : ( )

3. Full name of person(s) subject to the notification obligation (iii):

Legal & General Group Plc (L&G)

4. Full name of shareholder(s) (if different from 3.) (iv):

Legal & General Assurance (Pensions Management) Limited (PMC)

5. Date of the transaction (and date on which the threshold is crossed or
reached if different) (v):

29 August 2007

6. Date on which issuer notified:

30 August 2007

7. Threshold(s) that is/are crossed or reached:

From 6% - 5% (L&G)

8. Notified details:

A: Voting rights attached to shares

Class/type of shares if possible using  Situation previous to the Triggering
the ISIN CODE                           transaction (vi)
                                        Number of      Number of voting Rights
                                        shares         (viii)

ORD GBP 0.25                   0737007      3,106,589                 3,106,589


Resulting situation after the triggering transaction (vii)

Class/type of shares if     Number of   Number of voting     % of voting
possible using the ISIN     shares      rights (ix)          rights
CODE
                            Direct      Direct (x)  Indirect Direct   Indirect
                                                    (xi)
ORD GBP 0.25    0737007   2,941,741   2,941,741              5.80


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


        2,941,741                                5.80

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) (4,083,618 - 8.05% =
Total Position)

Legal & General Investment Management (Holdings) Limited (LGIMH) (Direct and
Indirect) (4,083,618 - 8.05% = Total Position)

Legal & General Investment Management Limited (Indirect) (LGIM) (4,083,618 -
8.05% = Total Position)

Legal & General Group Plc (Direct) (L&G) (2,941,741 - 5.80% = LGAS, LGPL & PMC)

Legal & General Investment Management (Holdings) Limited (Direct) (LGIMHD) (
1,806,243 - 3.56%=PMC)

Legal & General Insurance Holdings Limited (Direct) (LGIH)

Legal & General Assurance (Pensions Management) Limited (PMC) (1,806,243 - 3.56%
= PMC)

Legal & General Assurance Society Limited (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 information:

Notification using the total voting rights figure of 50,698,733

14. Contact name:

Helen Lewis (LGIM)

15. Contact telephone number:

[phone]



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