31 May 2022

Crossword Cybersecurity Plc

("Crossword" or the "Company")

Total Voting Rights

In compliance with the Financial Conduct Authority's Disclosure Guidance and Transparency Rules ("DTRs"), the Company announces that, as at the date of this announcement, it has 75,464,994 Ordinary Shares of 0.5p each ("Ordinary Shares") in issue. The Company does not hold any shares in treasury and all the Ordinary Shares have equal voting rights.

The figure of 75,464,994 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 DTRs.

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Contacts

Crossword Cybersecurity plc - Tel: +44 (0) 333 090 2587

Email: info@crosswordcybersecurity.com

Tom Ilube, Chief Executive Officer

Mary Dowd, Chief Financial Officer

Grant Thornton (Nominated Adviser) - Tel: +44 (0) 20 7383 5100

Colin Aaronson / Jamie Barklem / Daphne Zhang / Ciara Donnelly

Hybridan LLP (Broker) - Tel: +44 (0)203 764 2341

Claire Louise Noyce

For media enquiries contact:

Financial PR:

David Hothersall, Kinlan Communications

davidh@kinlan.net - Tel: +44 (0) 207 638 3435

General:

Duncan Gurney, GingerPR

duncan@gingerpr.co.uk - Tel: +44 (0)1932 485 300

About Crossword Cybersecurity plc

Crossword offers a range of cyber security solutions to help companies understand and reduce cyber security risk. We do this through a combination of people and technology, in the form of SaaS and software products, consulting, and managed services. Crossword's areas of emphasis are cyber security strategy and risk, supply chain cyber, threat detection and response, and digital identity and the aim is to build up a portfolio of cyber security products and services with recurring revenue models in these four areas. We work closely with UK universities and our products and services are often powered by academic research-driven insights. In the area of cybersecurity strategyand risk our consulting services include cyber maturity assessments, industry certifications, and virtual chief information security officer (vCISO) managed services.

Crossword's end-to-end supply chain cyber standard operating model (SCC SOM) is supported by our best-selling SaaS platform, Rizikon Assurance, along with cost-effective cyber audits, security testing services and complete managed services for supply chain cyber risk management. Threat detection and response services include our Nightingale AI-based network monitoring, Nixer to protect against application layer DDoS attacks, our Trillion and Arc breached credentials tracking platforms, and incident response. Crossword's work in digital identity is based on the World Wide Web Consortium W3C verifiable credentials standard and our current solution, Identiproof, enables secure digital verification of individuals to prevent fraud.

Crossword serves medium and large clients including FTSE 100, FTSE 250 and S&P listed companies in various sectors, such as defence, insurance, investment and retail banks, private equity, education, technology and manufacturing and has offices in the UK, Poland and Oman. Crossword is traded on the AIM market of the London Stock Exchange.

Visit Crossword at https://www.crosswordcybersecurity.com/