Holding(s) in Company

Ricardo PLC
30 November 2005




                           SCHEDULE 10
 
             NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   NAME OF COMPANY

RICARDO PLC

2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

LIONTRUST ASSET 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

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.

AS IN 2 ABOVE

5)   Number of shares/amount of stock acquired.

N/A

6)   Percentage of issued Class (any treasury shares held by company should not 
     be taken into account when calculating percentage)

N/A

7)   Number of shares/amount of stock disposed

NOT DISCLOSED

8)   Percentage of issued Class (any treasury shares held by company should not 
     be taken into account when calculating percentage)

N/A

9)   Class of security

ORDINARY SHARES

10)  Date of transaction

28 NOVEMBER 2005

11)  Date company informed

30 NOVEMBER 2005

12)  Total holding following this notification

4,917,178
               
13)  Total percentage holding of issued class following this notification
     (any treasury shares held by company should not be taken into account when 
      calculating percentage) 

9.82

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 ........... 30 NOVEMBER 2005  .............







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