Block Admission Return

Name of Scheme:

2005 and 2008 Share Option Schemes

Period of Return:

24 April 2008 to 24 October 2008

Balance under the Scheme at beginning of the period:

10,000,000 Ordinary Shares of 1p each

Number of securities issued under the Scheme during the period:

2,276,997

Number of securities not yet issued under the Scheme at the end of the period:

7,723,003

Number of securities originally admitted under the Scheme and the date of the Block Admission

10,000,000 on 24 April 2008

Enquiries:

Afren plc

+44 20 7451 9700

Shirin Johri

Company Secretary

Jefferies

+44 20 7029 8000

Jack Pryde

Pelham Public Relations

+44 20 7743 6676

James Henderson