Holding(s) in Company

Ricardo PLC
6 July 2005


                           SCHEDULE 10
 
             NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   NAME OF COMPANY

RICARDO PLC

2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

LIONTRUST INVESTMENT 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



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

LIONTRUST

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

6 JULY 2005

12)  Total holding following this notification

5,033,253
               
13)  Total percentage holding of issued class following this notification

10.13%

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  JULY 2005  ..................






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