Exercise of Options & Total Voting Rights

11 October 2024

Corero Network Security plc (AIM: CNS)

("Corero," or the "Company")

Exercise of Options & Total Voting Rights

The Company announces that it has issued and allotted 3,333 new ordinary shares of 1 pence each ("Ordinary Shares") following the exercise of share options.

The Shares have been issued out of the block listing of 61,856,538 ordinary shares in the Company that was admitted to the London Stock Exchange on 12 May 2022, as referenced and in accordance with an announcement dated 6 May 2022.

The Company advises that, following the issue of the 3,333 new ordinary shares, the Company's issued share capital will be 512,165,134 Ordinary Shares. The Company holds no shares in treasury. Therefore, the total number of voting rights in the Company is 512,165,134 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 Disclosure Guidance and Transparency Rules.

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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.