London Security plc

(the "Company")

Transaction in Own Shares

London Security plc (AIM: LSC) announces that on 28 November 2022, pursuant to the authority approved by shareholders at the Company's Annual General Meeting dated 22 June 2022, the Company purchased 500 ordinary shares of 1 pence each ("Ordinary Shares") at a price of 2,476 pence per share (the "Transaction").

The Ordinary Shares, which have been purchased, will be held in treasury. Following the Transaction, the Company holds 500 Ordinary Shares in treasury. Therefore, the total number of voting rights in the Company is 12,260,977 shares, which may be used by shareholders as the denominator for the calculations by which they determine if they are required to notify their interest in, or a change to their interest in, the Company under the Financial Conduct Authority's Disclosure and Transparency Rules.

For the purposes of UK MAR, the person responsible for arranging for the release of this information on behalf of London Security plc is Richard Pollard, Company Secretary.

The information below, set out in accordance with the requirements of the EU Market Abuse Regulation, provides further detail on shares acquired.

The information contained within this announcement is deemed to constitute inside information as stipulated under the retained EU law version of the Market Abuse Regulation (EU) No. 596/2014 (the "UK MAR") which is part of UK law by virtue of the European Union (Withdrawal) Act 2018. The information is disclosed in accordance with the Company's obligations under Article 17 of the UK MAR. Upon the publication of this announcement, this inside information is now considered to be in the public domain.

For further information please contact:

London Security plc

Richard Pollard, Company Secretary                                        01422 372852

WH Ireland Limited

Chris Fielding                                                                                      0207 220 1666