Ricardo Plc Regulatory News (RCDO)

3 October 2025

Ricardo PLC("Ricardo" or "the Company")

Application for Block Listing

The Company announces that an application has been made to the Financial Conduct Authority (the "FCA") and to the London Stock Exchange for a block listing of 2,297,406 new ordinary shares of 25 pence each in the Company (the "Ordinary Shares") to be admitted to the Official List of the FCA and to trading on the main market of the London Stock Exchange (the "Admission").

The Ordinary Shares will be issued from time to time in order to facilitate the satisfaction of award vestings under the following employee share plans:

the 2021 Ricardo plc Deferred Bonus Plan (162,922 Ordinary Shares); and

the 2020 Ricardo plc Long Term Incentive Plan (2,134,484 Ordinary Shares).

Admission is expected to become effective on 6 October 2025. When issued, the Ordinary Shares under the block listing will rank pari passu in all respects with the existing issued ordinary shares of the Company.

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