Exercise of Warrants

15 July 2014 Octagonal plc ("Octagonal" or the "Company") Exercise of Warrants Octagonal Plc (AIM: OCT), announces that it has received notices of theexercise of warrants (the "Exercise") to subscribe for a total of 31,466,666new ordinary shares in the Company (the "New Ordinary Shares"). The exerciseprice of the warrants is 0.30 pence. Application is being made for the New Ordinary Shares, which will on issue rankpari passu with the existing Ordinary Shares, to be admitted to trading on AIMand such admission is expected to occur on or around 22 July 2014. The Company will therefore have 748,410,088 Ordinary Shares in issue withvoting rights and admitted to trading on AIM. This figure may be used byshareholders in the Company as the denominator for the calculation by whichthey will determine if they are required to notify their interest in, or achange to their interest in, the share capital of the Company under theFinancial Conduct Authority's Disclosure and Transparency Rules. Enquiries: Octagonal plc +44 (0) 20 7440 0640Donald Strang/Hamish Harris Cairn Financial Advisers LLP +44 (0) 20 7148 7900Nominated Adviser and BrokerJames Caithie Square Consulting +44 (0) 20 7929 5599Public RelationsDavid Bick/ Mark Longson