Availability of Annual Report & Accounts and AGM

7 April 2015

Corero Network Security plc

("Corero" or the "Company" )

Availability of Annual Report & Accounts and AGM

Corero Network Security plc (AIM: CNS), the AIM listed network security company, announces that, following the notification of its audited results for the year ended 31 December 2014 on 26 March 2015, its full Annual Report & Accounts for that period are now available on its website, http://www.corero.com/investors/results, in accordance with AIM Rule 20.

The Company's Annual General Meeting will be held at the offices of finnCap, 60 New Broad Street, London EC2M 1JJ at 9.30am on 17 June 2015.

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About Corero Network Security

Corero Network Security, an organisation's First Line of Defense^® against Distributed Denial of Service (DDoS) attacks and cyber threats, provide enterprises and service providers with an additional layer of security capable of inspecting and analyzing Internet traffic and mitigating attacks. Corero products and services enhance existing security architecture with a scalable, flexible and responsive defence against DDoS attacks and cyber threats before they reach the targeted IT infrastructure, allowing online services to perform as intended. The latest addition to Corero First Line of Defense® product family includes the Corero SmartWall® Threat Defense System (TDS) allowing for modular, highly scalable network visibility and DDoS defence for the Large Enterprise, Datacentre and Hosting Provider, as well as the Internet Service Provider.

For more information about how Corero solutions are protecting over 500 businesses across the globe, visit www.corero.com.