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               24 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        6,638,332   4.71%             17,509   0.01%
securities
(2) Derivatives     1,301,154   0.92%          1,297,176   0.92%
(other than
options)
(3) Options and             0   0.00%                  0   0.00%
agreements to
purchase/sell

Total               7,939,486   5.63%          1,314,685   0.93%


(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      600                  11.9720
Purchase      167                  11.8460
Purchase      100                  11.8540
Purchase      334                  11.8660
Purchase      500                  11.9180
Purchase      2,957                11.8372
Purchase      17,948               11.8500
Purchase      2,900                11.8283
Purchase      11,852               11.8617
Purchase      562                  11.8706
Purchase      600                  11.9720
Purchase      11,882               11.9050
Purchase      200                  11.8515
Purchase      562                  11.8706
Sale          3,917                11.8000
Sale          10,821               11.8492
Sale          254                  11.8820
Sale          600                  11.9720
Sale          3,462                11.7500
Sale          237                  11.8300
Sale          17,948               Transfer
Sale          159                  11.8740
Sale          562                  11.8706
Sale          1,501                11.7973
Sale          10,772               11.7958


(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         2483                  11.7357
CFD        Short         2900                  11.8282
CFD        Short         2957                  11.8371
CFD        Short         200                   11.8515
CFD        Short         11852                 11.8617
CFD        Short         16896                 11.8623
CFD        Short         562                   11.8706
CFD        Short         11882                 11.9049
CFD        Short         600                   11.9719
CFD        Long          3462                  11.75
CFD        Long          10772                 11.7958
CFD        Long          10821                 11.8492


(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                         25 October 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