BLVN.L Regulatory News (BLVN)

1 March 2011

Bowleven plc ("Bowleven" or the "Company")

Block Admission Application

Bowleven announces that an application has been made for the admission to trading on AIM of the block admission of 1,000,000 ordinary shares ("Ordinary Shares") of 10 pence each in the capital of the Company, which may be allotted and issued in due course in relation to the vesting of options granted under the Rules of the Bowleven plc Approved CSOP Scheme (together with Unapproved Schedule). The shares will rank equally in all respects with the existing Ordinary Shares in issue.

It is expected that admission of the Ordinary Shares under the block admission will become effective on 3 March 2011.

As at 1 March 2011 the Company had 215,914,313 Ordinary Shares of 10 pence each in issue and voting rights of one vote per share. There are no Ordinary Shares held in treasury and, therefore, the total number of voting rights in Bowleven is 215,914,313.

ENQUIRIES

For further information please contact:

Bowleven plc

Kevin Hart, Chief Executive Officer 00 44 131 524 5678

Kerry Crawford, Head of Investor Relations 00 44 131 524 5678

Brunswick Group LLP

Patrick Handley 00 44 207 404 5959

Natalia Erikssen

RBS Hoare Govett

Stephen Bowler 00 44 207 678 8000

Jamie Buckland