Block Listing Six Monthly Return

Name of Applicant:

Ricardo plc

Name of scheme:

The Ricardo plc 2011 Deferred Bonus Plan, The Ricardo plc 2006 Long Term Incentive Plan, The Ricardo plc 2014 Long Term Incentive Plan

Period of return:

From:

12 September 2017

To:

11 March 2018

Balance of unallotted securities under scheme(s) from previous return:

766,950 Ordinary shares of 25p each

Plus: the amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):

Nil

Less: Number of securities issued/allotted under scheme(s) during the period

240,000

Equals: Balance under scheme(s) not yet issued/allotted at end of period:

526,950 Ordinary shares of 25p each

NOTES

This blocklisting of shares was originally admitted to trading on the London Stock Exchange on 15 October 2015.

Name of contact:

Company Secretary: Patricia Ryan

Telephone number of contact:

01273 794776