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               30 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        5,731,211   4.06%             28,305   0.02%
securities
(2) Derivatives     1,449,260   1.03%          1,490,439   1.06%
(other than
options)
(3) Options and             0   0.00%                  0   0.00%
agreements to
purchase/sell

Total               7,180,471   5.09%           1,518,744  1.08%


(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      15,350               11.7581
Purchase      85                   11.7480
Purchase      100                  11.7990
Purchase      134                  11.7480
Purchase      2,479                11.7422
Purchase      50                   11.8100
Purchase      4,630                11.7927
Purchase      274                  11.7481
Sale          500                  11.7320
Sale          18,642               11.7950
Sale          10,407               11.7950
Sale          4,077                11.7800
Sale          7,718                11.7950
Sale          274                  11.7481
Sale          5,925                11.7950
Sale          2,868                11.7800
Sale          46                   11.8420
Sale          100                  11.8160
Sale          64                   11.7920
Sale          200                  11.7920
Sale          3,910                11.7950
Sale          38,049               11.7800
Sale          51,838               11.7718
Sale          3,966                11.7800
Sale          2,638                11.7800
Sale          13,015               11.7551
Sale          2,042                11.7800
Sale          6,995                11.7800
Sale          197,089              11.7950
Sale          4,945                11.7800
Sale          808                  11.7580
Sale          274                  11.7481
Sale          3,542                11.7950
Sale          50                   11.8100
Sale          3,779                11.7800
Sale          93,531               11.7800
Sale          442                  11.7800
Sale          9,790                11.7950

(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         2479                  11.7422
CFD        Short         15920                 11.7448
CFD        Short         15350                 11.7581
CFD        Short         4630                  11.7926
CFD        Long          274                   11.748
CFD        Long          10417                 11.7494
CFD        Long          51838                 11.7717
CFD        Long          2598                  11.7777

(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                         31 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