Holding(s) in Company

Ricardo PLC
06 September 2005

                           SCHEDULE 10
 
             NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   NAME OF COMPANY

     RICARDO PLC


2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

     ARTEMIS INVESTMENT MANAGEMENT LTD


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.

     PEARSON                              360,000
     ARTEMIS SPECIAL SITUATIONS         3,362,500
     L&G (BARCLAYS) MANAGED OPPS TRUST    300,000
     ARTEMIS INSTITUTIONAL SPEC.SITS.     338,049
     BARCLAYS UK SMALLER COMPANIES        200,000
     PRUDENTIAL STAFF PENSION SCHEME      489,660


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

     5 SEPTEMBER 2005
  

11)  Date company informed

     6 SEPTEMBER 2005


12)  Total holding following this notification

     5,050,209

               
13)  Total percentage holding of issued class following this notification

     10.1


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      6 SEPTEMBER 2005



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