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Last checked at 
8 Dec 2025 07:00
8 December 2025
Corero Network Security plc
("Corero" or the "Company")
Blocklisting Return
The Company gives below the information required by Schedule 6 of the AIM Rules for Companies in connection with the Corero Network Security plc Unapproved Share Options Plan, the Enterprise Management Incentive (EMI) Plan and the Executive Enterprise Management Incentive (EMI) Plan (collectively the "Employee Share Schemes").
Name of applicant: | Corero Network Security plc | |||
Name of scheme: | Corero Employee Share Schemes | |||
Period of return: | From: | 14 May 2025 | To: | 13 November 2025 |
Balance under scheme from previous return: | 44,543,708 ordinary shares of 1 pence each | |||
The amount by which the block scheme has been increased, if the scheme has been increased since the date of the last return: | N/A | |||
Number of securities issued/allotted under scheme during period: | 0 ordinary shares of 1 pence each | |||
Balance under scheme not yet issued/allotted at end of period | 44,543,708 ordinary shares of 1 pence each | |||
Number and class of securities originally listed and the date of admission | 61,856,538 ordinary shares of 1 pence each on 12 May 2022 | |||
Total number of securities in issue at the end of the period | 512,165,134 ordinary shares of 1 pence each | |||
Name of contact: | Chris Goulden | |||
Telephone number of contact: | via Vigo Consulting | |||
Enquiries:
Corero Network Security plc Carl Herberger, Chief Executive Officer | Tel: +44(0) 20 7390 0230 |
Chris Goulden, Chief Financial Officer | |
Canaccord Genuity Limited (Nominated Adviser and Joint Broker) Simon Bridges / Andrew Potts / Harry Rees
Zeus Capital (Joint Broker) Ben Robertson / Alexandra Campbell-Harris | Tel: +44(0) 20 7523 8000
Tel: +44(0)20 3829 5000 |
| |
Vigo Consulting | Tel: +44(0) 20 7390 0230 |
Jeremy Garcia / Kendall Hill corero@vigoconsulting.com | |
Harbor Access | Tel: +1 475 477 9401 |
Jonathan Paterson |
About Corero Network Security
Corero Network Security is a leading provider of DDoS protection solutions, delivering real-time, automated detection and mitigation with deep network visibility and analytics. Corero safeguards critical infrastructure across diverse deployment models-from inline to edge to hybrid cloud-and is currently developing CORE, an observability and resiliency ecosystem to unify defensive actions across the modern threat landscape. 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 OTCQX Market (OTCQX: DDOSF).
For more information, visit www.corero.com, and follow us on LinkedIn and X.
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