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               25 April 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      44,367,373      4.29%        606,795     0.06%
securities
(2) Derivatives      578,244      0.06%        635,724     0.06%
(other than
options)
(3) Options and            0      0.00%              0     0.00%
agreements to
purchase/sell
Total             44,945,617      4.35%      1,242,519     0.12%

(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      2,064                7.6000
Purchase      3,475                7.5987
Purchase      714                  7.8500
Purchase      11,300               7.6094
Purchase      8,137                7.6285
Purchase      3,505                7.6150
Purchase      30,532               7.6453
Purchase      5,551                7.8500
Purchase      3,264                7.5980
Purchase      130,414              7.5950
Purchase      247,007              7.6064
Purchase      3,985                7.8500
Purchase      1,329                7.8500
Purchase      98,589               7.6065
Purchase      148,418              7.6065
Purchase      24,717               7.6189
Sale          174,540              7.8485
Sale          5,602                7.6080
Sale          39,103               7.6198
Sale          36,553               7.5873
Sale          1,885                7.5950
Sale          148,418              7.6064
Sale          16,914               7.5873
Sale          3,606                7.8485
Sale          3,505                7.5100
Sale          6,200                7.5850
Sale          1,223                7.8500
Sale          10,276               7.5873
Sale          17,591               7.5872
Sale          98,589               7.6064
Sale          127,679              7.8500
Sale          26,930               7.8500
Sale          3,652                7.8500
Sale          13,463               7.8488

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          6200          7.585
CFD            Long          17591         7.5872
CFD            Long          1885          7.595
CFD            Long          5602          7.608
CFD            Long          39103         7.6198
CFD            Long          178146        7.8485
CFD            Long          13463         7.8488
CFD            Short         3264          7.5979
CFD            Short         3475          7.5987
CFD            Short         11300         7.6093
CFD            Short         24717         7.6188
CFD            Short         8137          7.6285
CFD            Short         30532         7.6453

(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                         28 April 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)

DETAILS OF OPEN POSITIONS
(This form should be attached to Form 8.1, Form 8.1(b)(ii) or Form 8.3, as appropriate)


Product name,     Written or  Number of securities   Exercise price   Type, e.g.     Expiry date
e.g. call option  purchased   to which the option    (Note 2)         American,


Notes

The Notes on Form 8.3 can be viewed on the Takeover Panel's website at
www.thetakeoverpanel.org.uk