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               02 November 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        5,155,540   3.65%             62,754   0.04%
securities
(2) Derivatives     1,596,930   1.13%          1,656,066   1.17%
(other than
options)
(3) Options and             0   0.00%                  0   0.00%
agreements to
purchase/sell

Total               6,752,470   4.79%          1,718,820   1.22%


(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      163                  12.0880
Purchase      5,708                12.0555
Purchase      2,033                12.1044
Purchase      30,829               12.1137
Purchase      424                  12.1020
Purchase      1,852                12.1011
Purchase      424                  12.1020
Purchase      4,448                12.0950
Sale          8,823                12.1246
Sale          9,061                12.1122
Sale          3,092                12.1065
Sale          450                  12.0920
Sale          2,583                12.1065
Sale          900                  12.0660
Sale          350                  12.1240
Sale          35                   12.0820
Sale          3,805                12.1500
Sale          250                  12.0820
Sale          16,890               11.8992
Sale          500                  12.1020
Sale          17,281               12.1122
Sale          9,034                12.0482
Sale          424                  12.1020
Sale          61,929               11.8991
Sale          7,630                12.1065
Sale          27,507               12.0968
Sale          2,033                12.1044
Sale          1,041                12.1122
Sale          15,148               12.1122
Sale          1,904                12.1122
Sale          2,033                12.1044
Sale          943                  11.9400
Sale          36,620               11.8991

(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         5708                  12.0555
CFD        Short         1852                  12.101
CFD        Short         424                   12.102
CFD        Short         9589                  12.1102
CFD        Short         30829                 12.1137
CFD        Long          9034                  12.0481
CFD        Long          27507                 12.0968
CFD        Long          2033                  12.1043
CFD        Long          8823                  12.1245

(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                         05 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