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               24 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      42,501,730      4.11%      706,904       0.07%
securities
(2) Derivatives      481,740      0.05%    1,233,052       0.12%
(other than
options)
(3) Options and            0      0.00%            0       0.00%
agreements to
purchase/sell
Total            42,983,470       4.16%    1,939,956       0.19%


(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      4,688                6.9874
Purchase      7,191                6.9874
Purchase      10,902               7.0216
Purchase      231,167              6.9965
Purchase      9,080                7.0700
Purchase      63,369               7.0316
Purchase      3,260                7.0700
Purchase      100,626              7.0700
Purchase      15,712               6.9874
Purchase      5,096                6.9841
Sale          61,786               7.0380
Sale          8,541                7.0687
Sale          231,167              6.9965
Sale          127,734              7.0153
Sale          2,351                7.0350
Sale          4,669                7.0003
Sale          1,037                7.0343
Sale          97,760               7.0700
Sale          10,860               7.0700
Sale          100,626              7.0700
Sale          37,290               7.0700
Sale          7,708                6.9931
Sale          12,761               7.0030
Sale          603                  7.0700
Sale          22,190               7.0030
Sale          2,902                7.0168

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          231167        6.9964
CFD            Long          4669          7.0003
CFD            Long          46118         7.0019
CFD            Long          127734        7.0152
CFD            Long          2902          7.0168
CFD            Long          1037          7.0343
CFD            Long          2351          7.035
CFD            Long          61786         7.0379
CFD            Long          3132          7.0542
CFD            Long          8541          7.0686
CFD            Short         231167        6.9964
CFD            Short         5778          7.0075
CFD            Short         10902         7.0215
CFD            Short         63369         7.0315

(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 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