Holding(s) in Company

Ricardo PLC
16 May 2005



                           SCHEDULE 10
 
             NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   NAME OF COMPANY

     RICARDO PLC

2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

     LEGAL AND GENERAL INVESTMENT MANAGEMENT

3)   Please state whether notification indicates that it is in respect of 
     holding of the Shareholder named in 2 above or in respect of a 
     non-beneficial interest or in the case of an individual holder if it is a
     holding of that person's spouse or children under the age of 18



4)   Name of the registered holder(s) and, if more than one holder, the 
     number of shares held by each of them.

     HSBC GLOBAL CUSTODY NOMINEE (UK) LTD.

                           A/C   914 945          19,479
                                 887 711         682,355
                                 775 245         192,191
                                 367 206       1,356,217
                                 747 381          89,323
                                 363 605          76,967
                                 866 203          69,840
                                 360 509          71,624
  

5)   Number of shares/amount of stock acquired.

     NOT DISCLOSED

6)   Percentage of issued Class

     N/A

7)   Number of shares/amount of stock disposed

     NOT DISCLOSED

8)   Percentage of issued Class

     N/A

9)   Class of security

     ORDINARY SHARES

10)  Date of transaction

     NOT DISCLOSED

11)  Date company informed

      16 MAY 2005

12)  Total holding following this notification

      2,557,996
               
13)  Total percentage holding of issued class following this notification

      5.11

14)  Any additional information



15)  Name of contact and telephone number for queries

      M WIGHTMAN
     01273 794416


16)  Name and signature of authorised company official responsible for 
     making this notification

     Date of Notification ....16 MAY 2005.......





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