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)     24 September 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      40,880,418       3.95%       200,830     0.02%
securities
(2) Derivatives      216,055       0.02%       297,233     0.03%
(other than
options)
(3) Options and            0       0.00%             0     0.00%
agreements to
purchase/sell
Total             41,096,473       3.97%       498,063     0.05%

(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      65,528 7.6871
Purchase      2,055 7.2400
Purchase      6,872 7.6500
Purchase      72,800 7.2400
Purchase      1,598 7.2400
Purchase      6,360 7.6798
Purchase      536,031 7.6673
Purchase      3,228 7.7187
Purchase      29,387 7.6768
Purchase      2,724 7.6500
Purchase      214,613 7.6927
Purchase      134,818 7.6871
Purchase      106,383 7.6757
Sale          148,445 7.7400
Sale          6,360 7.6798
Sale          36,500 7.6950
Sale          110,327 7.7400
Sale          497,239 7.7400
Sale          683,400 7.7400
Sale          72,800 7.2400
Sale          1,598 7.2400
Sale          291,800 7.7400
Sale          191,099 7.7400
Sale          135,814 7.7400
Sale          201,900 7.7400
Sale          396,500 7.7400
Sale          61,797 7.6879
Sale          78,701 7.7400
Sale          1,986 7.6600
Sale          46,180 7.7015

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          6360          7.6798
CFD            Long          61797         7.6879
CFD            Long          42946         7.6988
CFD            Long          3234          7.7368
CFD            Short         24932         7.6654
CFD            Short         536031        7.6673
CFD            Short         106383        7.6756
CFD            Short         6360          7.6798
CFD            Short         134818        7.687
CFD            Short         65528         7.6871
CFD            Short         214613        7.6927
CFD            Short         3228          7.7186
CFD            Short         4455          7.7404

(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                         25 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