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               06 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        4,904,674   3.48%             76,062   0.05%
securities
(2) Derivatives     1,645,663   1.17%          1,681,403   1.19%
(other than
options)
(3) Options and             0   0.00%                  0   0.00%
agreements to
purchase/sell

Total               6,550,337   4.64%          1,757,465   1.25%


(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      3,708                11.9831
Purchase      6,142                11.9916
Purchase      400                  12.0023
Purchase      331                  12.0280
Purchase      524                  12.0420
Purchase      1,869                12.0000
Purchase      81                   11.9980
Sale          400                  11.8878
Sale          7,510                11.9623
Sale          92,015               11.9623
Sale          239                  11.9720
Sale          385                  11.9820
Sale          1,000                11.9820
Sale          84                   11.9820
Sale          330                  12.0820
Sale          5,682                11.9623
Sale          1,881                11.9800
Sale          2,756                11.9623
Sale          4,272                11.9623
Sale          27,213               11.9951
Sale          9,454                12.0003
Sale          3,298                11.9623
Sale          3,842                12.0367
Sale          6,000                11.9777
Sale          4,694                11.9623
Sale          3,188                11.9623
Sale          37,927               11.9623
Sale          4,344                11.9623

(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         3708                  11.9831
CFD        Short         6142                  11.9915
CFD        Short         1869                  12
CFD        Short         400                   12.0022
CFD        Long          400                   11.8877
CFD        Long          6000                  11.9777
CFD        Long          1881                  11.98
CFD        Long          3842                  12.0366

(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                         07 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