Holding(s) in Company

Ricardo PLC
13 July 2006


Letter to     Ricardo Group Plc
Letter dated  13 July, 2006


Disclosure of Interest in shares Under Section 198


Please find below the details of the notifiable interest of Legal & General 
Group plc and/or its subsidiaries in the relevant share capital of your company:

Material Interest

HSBC Global Custody Nominee (UK) Ltd A/C 914945      19,479
HSBC Global Custody Nominee (UK) Ltd A/C 887711     902,355
HSBC Global Custody Nominee (UK) Ltd A/C 775245     144,732
HSBC Global Custody Nominee (UK) Ltd A/C 357206   1,189,333
HSBC Global Custody Nominee (UK) Ltd A/C 747381     100,951
HSBC Global Custody Nominee (UK) Ltd A/C 363605      71,967
HSBC Global Custody Nominee (UK) Ltd A/C 866203      99,468
HSBC Global Custody Nominee (UK) Ltd A/C 969995     115,019
HSBC Global Custody Nominee (UK) Ltd A/c 978777     611,056
HSBC Global Custody Nominee (UK) Ltd A/c 360509      71,624

                                                  3,325,984      6.65%

We currently have a notifiable interest in 3,325,964 Ordinary 25p shares which 
we understand represents 6.65% of that class of your share capital calculated on 
an issued share capital of 50,010,903 Ordinary 25p Shares.


Letter from Legal & General Investment Management


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