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               26 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        4,599,412   3.26%         393,805      0.28%
securities
(2) Derivatives     2,340,337   1.66%       2,067,844      1.47%
(other than
options)
(3) Options and             0   0.00%                0     0.00%
agreements to
purchase/sell

Total               6,939,749   4.92%        2,461,649     1.74%

(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      250                  10.8760
Purchase      100                  10.8640
Purchase      181                  10.9020
Purchase      500                  10.8480
Purchase      90                   10.9020
Purchase      5,383                10.7766
Purchase      3,341                10.7359
Purchase      26                   10.8820
Purchase      1,884                10.9018
Purchase      1,884                10.9018
Purchase      12,066               10.7286
Purchase      1,086                10.6300
Purchase      1,800                10.6700
Purchase      4,508                10.8987
Purchase      465                  10.8940
Purchase      17,154               10.8872
Sale          3,341                10.7359
Sale          41                   10.6640
Sale          500                  10.6540
Sale          3,188                10.8965
Sale          800                  10.8720
Sale          1,884                10.9018
Sale          6,000                10.6300
Sale          16,444               10.6988
Sale          3,341                10.7359
Sale          18,611               10.6862

(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         1800                  10.67
CFD        Short         12066                 10.7286
CFD        Short         5383                  10.7766
CFD        Short         2616                  10.8871
CFD        Short         17154                 10.8872
CFD        Short         1884                  10.9017
CFD        Short         1892                  10.9147
CFD        Long          18611                 10.6862
CFD        Long          16444                 10.6988
CFD        Long          3341                  10.7358
CFD        Long          3188                  10.8965

(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                         27 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