BLOCK LISTING SIX MONTHLY RETURN - REPLACEMENT

Name of applicant:

Afren Plc

Name of scheme:

Company's Share Option Scheme, Performance Share Plan and Jefferies, Randall & Dewey Employee Share Plan

Period of return:

From:

16 December 2010

To:

15 June 2011

Balance of unallotted securities under schemes from previous return:

1,447,586

Plus:  The amount by which the block scheme(s) has been increased since the date of the last return (if any increase has been applied for):

10,000,000

Less:  Number of securities issued/allotted under scheme(s) during period (see LR3.5.7G):

5,362,599

Equals:  Balance under schemes not yet issued/allotted at end of period:

6,084,987

Name of contact:

Elekwachi Ukwu

Telephone number of contact:

44 (0) 2074 519 700