Rule 8.3 - BURREN ENERGY

FORM 8.3

    DEALINGS BY PERSONS WITH INTERESTS IN SECURITIES REPRESENTING 1% OR MORE
              (Rule 8.3 of the City Code on Takeovers and Mergers)


1.   KEY INFORMATION

Name of person dealing        BARCLAYS PLC
(Note 1)
Company dealt in              BURREN ENERGY
Class of relevant security    ORD GBP0.20
to which the dealings being
disclosed relate (Note 2)
Date of dealing               31 October 2007

2.   INTERESTS, SHORT POSITIONS AND RIGHTS TO SUBSCRIBE

(a)  Interests and short positions (following dealing) in the class of relevant
security dealt in (Note 3)

                           Long                        Short

                     Number       (%)           Number       (%)

(1) Relevant        5,800,518   4.11%             26,973   0.02%
securities
(2) Derivatives     1,474,994   1.05%          1,563,711   1.11%
(other than
options)
(3) Options and             0   0.00%                  0   0.00%
agreements to
purchase/sell

Total               7,275,512   5.16%          1,590,684   1.13%


(b)  Interests and short positions in relevant securities of the company, other
     than the class dealt in (Note 3)

Class of                    Long                     Short
relevant
security:

                  Number             (%)    Number            (%)

(1) Relevant
securities

(2) Derivatives
(other than
options)

(3) Options and
agreements to
purchase/sell

Total


(c)  Rights to subscribe (Note 3)

Class of relevant security:   Details



3.   DEALINGS (Note 4)

(a)  Purchases and sales

Purchase/sale Number of Securities Price per unit
                                   (GBP)
Purchase      40,574               11.7993
Purchase      1,700                12.0220
Purchase      4,448                11.8128
Purchase      41,648               11.8277
Purchase      2,704                11.8045
Purchase      10,552               12.0009
Purchase      41                   12.1060
Purchase      176                  12.0860
Purchase      800                  12.0480
Sale          74                   12.0020
Sale          591                  11.9405
Sale          1,000                12.0220
Sale          500                  11.7420
Sale          500                  11.7520
Sale          2,371                11.7080
Sale          280                  12.0220
Sale          200                  12.0420
Sale          500                  11.8220
Sale          151                  11.7714
Sale          5,397                11.7439
Sale          4,956                11.9702
Sale          975                  Transfer
Sale          1,499                11.7281
Sale          13,731               12.0211
Sale          611                  12.0020

(b)  Derivatives transactions (other than options)

Product    Long/Short    Number of Securities  Price Per
name,      (Note 6)      (Note 7)              Unit (GBP)
e.g. CFD
CFD        Short         14994                 11.7628
CFD        Short         40574                 11.7993
CFD        Short         2704                  11.8044
CFD        Short         4448                  11.8127
CFD        Short         10552                 12.0008
CFD        Long          1499                  11.728
CFD        Long          5397                  11.7438
CFD        Long          151                   11.7713
CFD        Long          4956                  11.9701
CFD        Long          13731                 12.0211

(c)  Options transactions in respect of existing securities

(i)  Writing, selling, purchasing or varying

Product name,   Writing,          Number of          Exercise  Type, e.g.      Expiry   Option money
e.g. call       selling,          securities to      price     American,       date     paid/received
option          purchasing,       which the option             European etc.            per unit (GBP)
                varying etc.      relates (GBP)

(ii) Exercising

Product name, e.g.  Number of           Exercise price per
call option         securities          unit (Note 5)




(d)  Other dealings (including new securities) (Note 4)


Nature of transaction Details           Price per unit
(Note 8)                                (if applicable)
                                        (Note 5)





4.   OTHER INFORMATION
None

Agreements, arrangements or understandings relating to options or derivatives


Full details of any agreement, arrangement or understanding between the
person disclosing and any other person relating to the voting rights of
any relevant securities under any option referred to on this form or
relating to the voting rights or future acquisition or disposal of any
relevant securities to which any derivative referred to on this form is
referenced.  If none, this should be stated.





Is a Supplemental Form 8 attached? (Note 9)                 NO


Date of disclosure                         01 November 2007
Contact name                               BARCLAYS COMPLIANCE
Telephone number                           020 7116 2913
If a connected EFM, name of
offeree/offeror with which connected
If a connected EFM, state nature of
connection (Note 10)


Notes

The Notes on Form 8.3 can be viewed on the Takeover Panel's website at
www.thetakeoverpanel.org.uk