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               14 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      41,352,594      4.00%    1,791,904       0.17%
securities
(2) Derivatives    1,495,069      0.14%      242,841       0.02%
(other than
options)
(3) Options and            0      0.00%            0       0.00%
agreements to
purchase/sell
Total             42,847,663      4.14%    2,034,745       0.20%

(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      4,091                7.0600
Purchase      2,043                7.0350
Purchase      15,361               7.0678
Purchase      33,253               7.0600
Purchase      4,576                7.0600
Purchase      980                  7.0600
Purchase      45,830               7.0659
Purchase      349                  7.0600
Purchase      4,264                7.0400
Purchase      1,300                7.0212
Purchase      2,700                7.0394
Purchase      305                  7.0500
Sale          51,443               7.0665
Sale          5,800                7.0466
Sale          3,161                7.0566
Sale          709                  7.0567
Sale          2,843                7.0589
Sale          8,568                7.0612
Sale          24,600               7.0400
Sale          10,312               7.0561
Sale          6,700                7.0585
Sale          1,342                7.1050
Sale          5,868                7.0461

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          5868          7.046
CFD            Long          5800          7.0466
CFD            Long          10312         7.0561
CFD            Long          3161          7.0565
CFD            Long          709           7.0566
CFD            Long          2843          7.0588
CFD            Long          8568          7.0612
CFD            Long          2080          7.0615
CFD            Long          51443         7.0665
CFD            Long          9454          7.0738
CFD            Short         1300          7.0212
CFD            Short         2700          7.0394
CFD            Short         4264          7.04
CFD            Short         45830         7.0658
CFD            Short         15361         7.0677

(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                         15 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