Holding(s) in Company

Ricardo PLC
19 January 2006



             NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   NAME OF LISTED COMPANY

RICARDO PLC

2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

ARTEMIS

3)   Please state whether notification indicates that it is 
     regarding the holding of the shareholder named in 2 above;
     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 ABOVE

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

INSTITUTIONAL SPECIAL SOLUTIONS                313,049   (0.621%)
BARCLAYS UK SMALLER COMPANIES                  175,000   (0.347%)
L&G (BARCLAYS) MANAGED OPPS TRUST ARTEMIS      275,000   (0.546%)
ARTEMIS SPECIAL SOLUTIONS                    3,187,500   (6.328%)
AKZO NOBAL PENSION SCHEME                      500,000   (0.993%)
PRUDENTIAL STAFF PENSION SCHEME                514,660   (1.022%)
PEARSON                                        468,274   (0.930%) 

5)   Number of shares/amount of stock acquired.

N/A

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

N/A

7)   Number of shares/amount of stock disposed

N/A

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

N/A

9)   Class of security

ORDINARY SHARES OF 25P EACH

10)  Date of transaction

N/A

11)  Date listed company informed

19 JANUARY 2006

12)  Total holding following this notification

5,433,483
               
13)  Total percentage holding of issued class following this notification
     (any treasury shares held by the listed company should not be taken
     into account when calculating percentage)

10.78%

14)  Any additional information



15)  Name of contact and telephone number for queries

DAVID OGLETHORPE
01926 319302

16)  Name and signature of duly authorised officer of the listed company
     responsible for making this notification

     Date of Notification ....   DAVID OGLETHORPE  ....................





                      This information is provided by RNS
            The company news service from the London Stock Exchange