Company Announcements

Blocklisting Return

Source: RNS
RNS Number : 2051G
Corero Network Security PLC
14 November 2022

14 November 2022


Corero Network Security plc (AIM: CNS)

("Corero," the "Company" or the "Group")


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:


12 May 2022


12 November 2022

Balance under scheme from previous return:

61,856,538 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:


Number of securities issued/allotted under scheme during period:

3,768,334 ordinary shares of 1 pence each


Balance under scheme not yet issued/allotted at end of period

 58,088,204 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

498,620,638 ordinary shares of 1 pence each

Name of contact:

Andrew Miller

Telephone number of contact:

via Vigo Consulting





Corero Network Security plc

Tel: +44(0) 20 7390 0230

Lionel Chmilewsky, Chief Executive Officer

Andrew Miller, Interim Chief Financial Officer

Canaccord Genuity Limited 

(Nominated Adviser and Broker)

Simon Bridges / Andrew Potts / Harry Rees

Tel: +44(0) 20 7523 8000


Vigo Consulting

Tel: +44(0) 20 7390 0230

Jeremy Garcia / Kendall Hill


About Corero Network Security

Corero Network Security plc is a global leader in real-time, high-performance, automatic DDoS cyber defense solutions. Both Service and Hosting providers, alongside digital enterprises across the globe rely on Corero's award winning cybersecurity technology to eliminate the threat of Distributed Denial of Service (DDoS) to their digital environment through automatic attack detection and mitigation, coupled with network visibility, analytics and reporting. Corero's industry leading SmartWall and SecureWatch technology provides scalable protection capabilities against external DDoS attackers and internal DDoS botnets in the most complex edge and subscriber environments, while enabling a more cost-effective economic model than previously available. Corero's key operational centres located in Marlborough, Massachusetts, USA and Edinburgh, UK, with the Company's headquarters in London, UK. The Company is listed on the London Stock Exchange's AIM market under the ticker CNS.  For more information, visit 


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