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               08 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        4,887,111   3.46%              65,086  0.05%
securities
(2) Derivatives     1,684,137   1.19%           1,726,649  1.22%
(other than
options)
(3) Options and             0   0.00%                  0   0.00%
agreements to
purchase/sell

Total               6,571,248   4.66%           1,791,735  1.27%


(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      2,831                11.8479
Purchase      4,729                11.8483
Purchase      999                  11.8522
Purchase      16,247               11.8251
Purchase      836                  11.8840
Purchase      80                   11.7497
Sale          946                  11.7380
Sale          2,000                11.7360
Sale          865                  11.8020
Sale          171                  11.8120
Sale          500                  11.8220
Sale          2,083                11.8020
Sale          100                  11.9140
Sale          811                  11.7700
Sale          1,000                11.8320
Sale          1,500                11.8120
Sale          58                   11.8120
Sale          468                  11.8877
Sale          102                  11.8020
Sale          180                  11.8220
Sale          600                  11.8620
Sale          2,778                11.9356
Sale          4,200                11.8474
Sale          2,388                11.8217
Sale          2,108                11.8400
Sale          8,042                11.7600

(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         16247                 11.825
CFD        Short         2831                  11.8479
CFD        Short         4729                  11.8482
CFD        Short         999                   11.8521
CFD        Long          2388                  11.8216
CFD        Long          3800                  11.8473
CFD        Long          400                   11.8474
CFD        Long          468                   11.8877
CFD        Long          2778                  11.9355

(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                         09 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