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               27 June 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      41,457,291      4.01%    1,047,103       0.10%
securities
(2) Derivatives      752,779      0.07%      529,419       0.05%
(other than
options)
(3) Options and            0      0.00%            0       0.00%
agreements to
purchase/sell
Total             42,210,070      4.08%    1,576,522       0.15%


(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      15,706               7.1249
Purchase      487                  7.0800
Purchase      4,092                7.0800
Purchase      16,366               7.0523
Purchase      3,622                7.0042
Purchase      1,065                7.1358
Purchase      13,312               7.0695
Purchase      34,688               7.1249
Purchase      10,438               7.0622
Purchase      59,970               7.1036
Purchase      10,416               7.1249
Purchase      774                  7.0157
Sale          55,345               7.1106
Sale          3,622                7.1562
Sale          210,434              7.1281
Sale          6,400                7.0918
Sale          141,625              7.1471
Sale          55,688               7.0513
Sale          32,105               7.0920
Sale          7,207                7.0908
Sale          20,080               7.1200
Sale          20,201               7.0503
Sale          59,000               7.0151
Sale          2,200                7.1268
Sale          140,717              7.0100
Sale          42,738               7.0100

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          7207          7.0908
CFD            Long          32105         7.0919
CFD            Long          55345         7.1106
CFD            Long          20080         7.12
CFD            Long          4244          7.123
CFD            Long          2200          7.1268
CFD            Long          210434        7.1281
CFD            Long          5718          7.129
CFD            Long          141625        7.147
CFD            Long          3622          7.1561
CFD            Short         3622          7.0042
CFD            Short         16366         7.0522
CFD            Short         10438         7.0621
CFD            Short         13312         7.0695
CFD            Short         59970         7.1035
CFD            Short         1065          7.1357

(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                         30 June 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