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)     29 August 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      41,849,576       4.05%       706,715     0.07%
securities
(2) Derivatives      763,455       0.07%       182,801     0.02%
(other than
options)
(3) Options and            0       0.00%            0      0.00%
agreements to
purchase/sell
Total             42,613,031       4.12%      889,516      0.09%

(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      12,329               7.3650
Purchase      1,531                7.2507
Purchase      21,523               7.2000
Purchase      2,039                7.3784
Purchase      26,504               7.3515
Purchase      79,765               7.3314
Purchase      21,523               7.2000
Purchase      1,900                7.3237
Purchase      12,282               7.3650
Purchase      267                  7.3649
Purchase      1,518                7.3640
Purchase      1,701                7.3640
Purchase      300                  7.3649
Purchase      7,628                7.3650
Purchase      77,717               7.3650
Purchase      6,563                7.3650
Purchase      64,341               7.3634
Purchase      11,000               7.3650
Purchase      5,579                7.3650
Purchase      8,396                7.3650
Purchase      1,065                7.3634
Sale          281                  7.3658
Sale          3,599                7.3650
Sale          1,433                7.2725
Sale          2,039                7.3788
Sale          1,900                7.3237
Sale          23,329               7.3650
Sale          8,574                7.3562
Sale          3,411                7.3638
Sale          22,564               7.3602
Sale          78,195               7.3166
Sale          1,593                7.3660
Sale          2,342                7.2043
Sale          14,959               7.3650
Sale          3,657                7.3658
Sale          20,724               7.3660
Sale          6,340                7.1982
Sale          4,074                7.3650
Sale          7,628                7.3650
Sale          77,717               7.3650
Sale          12,282               7.3650
Sale          7,776                7.2043

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          6340          7.1981
CFD            Long          78195         7.3166
CFD            Long          1900          7.3236
CFD            Long          8574          7.3562
CFD            Long          22564         7.3601
CFD            Long          3411          7.3638
CFD            Long          2039          7.3788
CFD            Short         1531          7.2507
CFD            Short         1900          7.3236
CFD            Short         79765         7.3314
CFD            Short         26504         7.3514
CFD            Short         2368          7.3628
CFD            Short         2039          7.3784

(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                         01 September 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