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               19 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      43,121,163        4.17%      86,522      0.01%
securities
(2) Derivatives      472,684        0.05%   1,338,954      0.13%
(other than
options)
(3) Options and            0        0.00%           0      0.00%
agreements to
purchase/sell
Total             43,593,847        4.22%   1,425,476      0.14%


(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      723                  6.9100
Purchase      7,186                6.9335
Purchase      21,772               6.9615
Purchase      24,806               6.9436
Purchase      907                  6.9350
Purchase      9,093                6.9158
Purchase      76,355               6.9577
Purchase      2,091                6.9300
Purchase      1,407                6.9550
Purchase      348                  6.9368
Purchase      1,244                6.9263
Purchase      1,203                6.9100
Purchase      1,372                6.9597
Purchase      106,272              7.0900
Purchase      3,260                6.9100
Purchase      907                  6.9250
Sale          2,026                6.9586
Sale          7,428                6.9100
Sale          1,244                6.9537
Sale          13,037               6.9091
Sale          700                  6.9550
Sale          106,272              7.0900
Sale          907                  6.9350
Sale          106,272              7.0900
Sale          22,980               6.9319
Sale          78,557               6.9572
Sale          4,939                6.9419
Sale          2,400                6.9450

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          1901          6.9014
CFD            Long          13037         6.9091
CFD            Long          22980         6.9319
CFD            Long          7738          6.9345
CFD            Long          4939          6.9419
CFD            Long          2400          6.945
CFD            Long          18532         6.9477
CFD            Long          1244          6.9536
CFD            Long          700           6.955
CFD            Long          78557         6.9571
CFD            Long          45626         6.9615
CFD            Short         1244          6.9263
CFD            Short         2091          6.93
CFD            Short         7186          6.9334
CFD            Short         24806         6.9435
CFD            Short         1407          6.955
CFD            Short         76355         6.9576

(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                         20 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