Holding(s) in Company

Ricardo PLC
17 March 2005


                           SCHEDULE 10
 
             NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   NAME OF COMPANY

     RICARDO PLC

2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

     HERMES ADMINISTRATION SERVICES LIMITED

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

      AS IN 2 ABOVE

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

     BRITEL FUND NOMINEES LTD.          1,086,988
     CHASE NOMINEES LTD.                  408,865


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

     16 MARCH 2005

11)  Date company informed

      17 MARCH 2005

12)  Total holding following this notification

      1,495,853
               
13)  Total percentage holding of issued class following this notification

      2.99

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 .....17 MARCH 2005...................





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