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)     30 July 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     41,804,125        4.04%    1,194,209      0.12%
securities
(2) Derivatives     851,640        0.08%      520,410      0.05%
(other than
options)
(3) Options and           0        0.00%            0      0.00%
agreements to
purchase/sell
Total            42,655,765        4.13%    1,714,619      0.17%

(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      2,810                7.1762
Purchase      2,400                7.1715
Purchase      193,615              7.1950
Purchase      10,134               7.1982
Purchase      7,689                7.2000
Purchase      27,560               7.1800
Purchase      27,560               7.1800
Purchase      193,615              7.1950
Purchase      43,967               7.1710
Purchase      119,972              7.1643
Purchase      1,374                7.2000
Purchase      1,212                7.2000
Purchase      7,409                7.1833
Purchase      634                  7.2000
Purchase      1,237                7.2000
Sale          3,471                7.1426
Sale          20,517               7.1655
Sale          21,945               7.2114
Sale          27,560               7.1800
Sale          2,400                7.1715
Sale          7,112                7.1988
Sale          55                   7.1550
Sale          193,615              7.1950
Sale          48,003               7.1751

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          3471          7.1426
CFD            Long          20517         7.1655
CFD            Long          2400          7.1714
CFD            Long          48003         7.175
CFD            Long          7112          7.1988
CFD            Long          21945         7.2114
CFD            Short         119972        7.1642
CFD            Short         6339          7.1672
CFD            Short         43967         7.1709
CFD            Short         2400          7.1714
CFD            Short         2810          7.1761
CFD            Short         27560         7.1799
CFD            Short         10134         7.1982
CFD            Short         2386          7.1986

(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 July 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