28 May 2021 In compliance with the FCA's Disclosure Guidance and Transparency Rules ("DTRs"), the Company announces that, as at the date of this announcement, it has 57,618,900 ordinary shares of 0.5p each ("Ordinary Shares") in issue. The Company does not hold any shares in treasury and all of the Ordinary Shares have equal voting rights. The figure of 57,618,900 Ordinary Shares represents the total voting rights in the Company and may be used by shareholders as the denominator for the calculations by which they can determine if they are required to notify their interest in, or a change to their interest in, the Company under the DRTs. Issue of Ordinary Shares on 2 June 2021 As announced on 26 May 2021, as of 2 June 2021 the Company will have 58,042,630 Ordinary Shares in issue following the issue to the VCL vendors of 423,730 Ordinary Shares. The figure of 58,042,630 Ordinary Shares represents the total voting rights in the Company and may be used, with effect from 2 June 2021, by shareholders as the denominator for the calculations by which they can determine if they are required to notify their interest in, or a change to their interest in, the Company under the DTRs. Contacts Crossword Cybersecurity plc - Tel: +44 (0) 20 3953 8460 Email: email@example.com Tom Ilube, Chief Executive Officer Mary Dowd, Chief Financial Officer Grant Thornton (Nominated Adviser) - Tel: +44 (0) 20 7383 5100 Colin Aaronson / Lukas Girzadas Hybridan LLP (Broker) - Tel: +44 (0)203 764 2341 Claire Louise Noyce For media enquiries contact: Duncan Gurney, GingerPR firstname.lastname@example.org - Tel: +44 (0)1932 485 300 About Crossword Cybersecurity plc Crossword Cybersecurity plc focuses on the development and commercialisation of university research-based cyber security and risk management related software and cyber security consulting. The Group's specialist cyber security product development and software engineering teams work with its university partners to develop the research concept into a fully-fledged commercial product that it will then take to market. The Group's aim is to build up a portfolio of revenue generating, intellectual property based, cyber security products. Rizikon Assurance, Crossword's leading product, is a SaaS platform that enables medium to large companies to assess and manage all risks from their suppliers. Nixer CyberML, Crossword's most recently launched product, is a new tool for businesses that want to solve advanced security and cybercrime problems, such as detecting and dealing with compromised accounts, fraud, and in-application denial of service attacks. Crossword's team of expert cyber security consultants leverages years of experience in national security, defence and commercial cyber intelligence and operations to provide bespoke advice tailored to its clients' business needs.