4 November 2024

Corero Network Security plc

("Corero" or the "Company")

Corero Upgrading to OTCQX from OTCQB Venture Market

Corero (AIM: CNS) (OTCQB: DDOSF), the distributed denial of service ("DDoS") protection specialists, today announces it has qualified for, and upgraded to, OTCQX from the OTCQB Venture Market.

Corero Network Security plc begins trading today on OTCQX under the symbol "DDOSF." US investors can find current financial disclosure and Real-Time Level 2 quotes for the company on www.otcmarkets.com.

The OTCQX Market is designed for established, investor-focused US and international companies. To qualify for OTCQX, companies must meet high financial standards, follow best practice corporate governance, and demonstrate compliance with applicable securities laws. Graduating to the OTCQX Market from the OTCQB Market marks an important milestone for companies, enabling them to demonstrate their qualifications and build visibility among US investors.

Carl Herberger, Chief Executive Officer at Corero, commented:

"We are delighted to commence trading on OTCQX and further expand our reach and visibility into the US investor market. This is an exciting step in the Corero growth journey, recognising the effort and value generated by the entire Corero team and the support of our growing international shareholder base."

Enquiries:

About Corero Network Security

Corero Network Security is a leading provider of DDoS protection solutions, specialising in automatic detection and protection solutions with network visibility, analytics, and reporting tools. Corero's technology protects against external and internal DDoS threats in complex edge and subscriber environments, ensuring internet service availability. With operational centres in Marlborough, Massachusetts, USA, and Edinburgh, UK, Corero is headquartered in London and listed on the London Stock Exchange's AIM market (ticker: CNS) and the US OTCQB market (OTCQB: DDOSF).

For more information, visit www.corero.com, and follow us on LinkedIn and X.

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