Holding(s) in Company

Ricardo PLC 31 July 2006 NOTIFICATION OF MAJOR INTERESTS IN SHARES 1) NAME OF LISTED COMPANY Ricardo plc 2) NAME OF SHAREHOLDER HAVING A MAJOR INTEREST Aviva plc and its subsidiaries 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 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. Morley Fund Management Limited: BNY Norwich Union Nominees Limited 564,892* Chase GA Group Nominees Limited 1,197,509* Chase Nominees Limited 152,686* CUIM Nominee Limited 589,298* Vidacos Nominees Limited 37,242* * denotes beneficial interest 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 1,138,428 8) Percentage of issued Class (any treasury shares held by the listed company should not be taken into account when calculating percentage) 2.28% 9) Class of security Ordinary GBP0.25 shares 10) Date of transaction 28 July 2006 11) Date listed company informed 31 July 2006 12) Total holding following this notification 2,541,627* *beneficial interest only 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) 5.08% 14) Any additional information Figures are based on shares in issue of 50,010,903 15) Name of contact and telephone number for queries 16) Name and signature of duly authorised officer of the listed company responsible for making this notification Date of Notification ........................ This information is provided by RNS The company news service from the London Stock Exchange

Companies

Ricardo (RCDO)
UK 100

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