Transaction in Own Shares

5 September 2016

Bowleven plc ('Bowleven' or 'the Company')

Transaction in own shares

The Company announces that it has purchased the following number of ordinary shares of 10p each ('Shares') on AIM through Macquarie Capital (Europe) Limited as part of its buyback programme announced on 19 August 2016:

The Shares purchased are being held in treasury. Following the purchases, Bowleven holds 2,432,614 Shares in treasury and its issued share capital (excluding treasury Shares) consists of 325,008,045 Shares with voting rights attached (one vote per share). Accordingly, the total voting rights in Bowleven is 325,008,045. This figure may be used by shareholders as the denominator for the calculations by which to determine if they are required to notify their interest in, or a change to their interest in, Bowleven under the Disclosure and Transparency Rules of the Financial Conduct Authority.

This announcement will also be available on Bowleven's website (www.bowleven.com).

ENQUIRIES

For further information, please contact:

Bowleven plc

Kevin Hart, Chief Executive 00 44 131 524 5678

Kerry Crawford, Finance Director

Brunswick Group LLP

Patrick Handley 00 44 207 404 5959

Simon Maine

Macquarie Capital (Europe) Limited (Nomad and Broker)

Ken Fleming 00 44 203 037 2000

Nick Stamp