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               01 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        5,339,925   3.78%             67,320   0.05%
securities
(2) Derivatives     1,549,533   1.10%          1,607,664   1.14%
(other than
options)
(3) Options and             0   0.00%                  0   0.00%
agreements to
purchase/sell

Total               6,889,458   4.88%           1,674,984  1.19%


(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      811                  12.2600
Purchase      800                  11.9220
Purchase      800                  11.9220
Purchase      2,400                12.2500
Purchase      249                  12.0360
Purchase      200                  12.3000
Purchase      3,805                11.9200
Purchase      10,618               11.9693
Purchase      16,890               11.8992
Purchase      12,944               11.9116
Purchase      36,620               11.8991
Purchase      61,929               11.8991
Purchase      500                  12.2580
Purchase      1,000                12.1460
Purchase      17,948               11.8992
Purchase      815                  12.2680
Purchase      164                  12.0280
Purchase      105,426              11.8991
Purchase      83                   11.8080
Purchase      8,530                12.1314
Purchase      6,770                11.8992
Purchase      166                  11.9420
Sale          500                  12.0240
Sale          313                  12.1100
Sale          183,308              11.9050
Sale          360                  12.2710
Sale          280                  11.9740
Sale          164                  11.8820
Sale          340                  11.8520
Sale          16,890               11.8992
Sale          110                  11.9320
Sale          117                  11.8580
Sale          500                  12.1680
Sale          3,673                11.9098
Sale          241                  11.8140
Sale          800                  11.9220
Sale          19,868               11.9174
Sale          17,411               11.9174
Sale          105,426              11.8992
Sale          3,401                11.9098
Sale          5,913                11.9097
Sale          975                  12.1164
Sale          3,248                11.9098
Sale          62,275               11.8819
Sale          76,409               11.9097
Sale          10,422               11.9174
Sale          4,468                11.9098
Sale          36,620               11.8992
Sale          2,116                11.9098
Sale          61,929               11.8992
Sale          28,581               11.9569
Sale          6,770                11.8993
Sale          13,334               11.9157
Sale          17,948               11.8992
Sale          28,420               11.9489
Sale          500                  12.2580
Sale          1,291                11.9174
Sale          3,704                12.0989
Sale          500                  12.2580

(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         11061                 11.8996
CFD        Short         12944                 11.9115
CFD        Short         800                   11.9219
CFD        Short         10618                 11.9693
CFD        Short         8530                  12.1313
CFD        Long          13334                 11.9157
CFD        Long          28420                 11.9488
CFD        Long          28581                 11.9568
CFD        Long          3704                  12.0989
CFD        Long          500                   12.2579

(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                         02 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