Rule 8.3 - BRITISH ENERGY GROUP

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              BRITISH ENERGY GROUP
Class of relevant security    ORD GBP0.10
to which the dealings being
disclosed relate (Note 2)
Date of dealing               16 June 2008

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      44,858,386        4.34%     263,418      0.03%
securities
(2) Derivatives      567,565        0.05%   1,236,715      0.12%
(other than
options)
(3) Options and            0        0.00%           0      0.00%
agreements to
purchase/sell
Total             45,425,951        4.39%   1,500,133      0.15%


(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      6,899                7.1550
Purchase      7,381                7.1550
Purchase      647                  7.3200
Purchase      1,292                7.3200
Purchase      2,105                7.1550
Purchase      30,103               7.1550
Purchase      15,147               7.1366
Purchase      2,065                7.1800
Purchase      22,450               7.1458
Purchase      17,528               7.1557
Sale          3,761                7.1653
Sale          1,003                7.2249
Sale          12,776               7.1536
Sale          47,835               7.1404
Sale          19,248               7.1682
Sale          10,746               7.1387
Sale          1,248                7.2200
Sale          8,717                7.1550
Sale          9,443                7.1550
Sale          3,329                7.1550
Sale          36,386               7.1692


(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          10746         7.1386
CFD            Long          47835         7.1403
CFD            Long          10210         7.1432
CFD            Long          12776         7.1536
CFD            Long          3761          7.1652
CFD            Long          19248         7.1682
CFD            Long          3637          7.1687
CFD            Long          36386         7.1692
CFD            Long          19584         7.1827
CFD            Long          5506          7.2265
CFD            Long          6485          7.2448
CFD            Short         15147         7.1366
CFD            Short         22450         7.1458
CFD            Short         17528         7.1557


(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                         17 June 2008
Contact name                               Geoff Smith
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