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               07 April 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      43,038,362      4.16%      1,817,412     0.18%
securities
(2) Derivatives    1,345,388      0.13%        654,944     0.06%
(other than
options)
(3) Options and            0      0.00%              0     0.00%
agreements to
purchase/sell
Total             44,383,750      4.29%      2,472,356     0.24%

(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      13,000               7.4812
Purchase      50,000               6.9328
Purchase      3,521                7.1364
Purchase      1,257                7.2402
Purchase      3,517                7.3875
Purchase      990                  7.1514
Purchase      21,651               7.1950
Purchase      800                  7.3900
Purchase      14,181               7.4862
Purchase      50,000               6.9328
Purchase      867                  7.2750
Purchase      39,226               7.3673
Purchase      1,644                7.2006
Purchase      16,755               7.1361
Purchase      8,000                7.4812
Purchase      7,052                7.3998
Purchase      2,592                7.2976
Sale          1,945                7.3482
Sale          4,413                7.3482
Sale          36,127               7.0350
Sale          2,893                7.2523
Sale          24,239               7.0350
Sale          1,305                7.3482
Sale          7,851                7.4366
Sale          340                  7.3482
Sale          550                  7.3482
Sale          246,955              7.4059
Sale          81,972               7.0350
Sale          6,330                7.0350
Sale          37,566               7.3554
Sale          979                  7.2844
Sale          2,000                7.4008
Sale          183,115              7.3776
Sale          2,592                7.3986
Sale          10,230               7.0350
Sale          5,180                7.1350
Sale          50,000               6.9328

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          2893          7.2523
CFD            Long          979           7.2843
CFD            Long          37566         7.3554
CFD            Long          183115        7.3776
CFD            Long          2592          7.3985
CFD            Long          2000          7.4008
CFD            Long          246955        7.4058
CFD            Long          7851          7.4365
CFD            Short         16755         7.136
CFD            Short         3521          7.1363
CFD            Short         990           7.1513
CFD            Short         1644          7.2005
CFD            Short         867           7.275
CFD            Short         2592          7.2976
CFD            Short         39226         7.3672
CFD            Short         800           7.39
CFD            Short         14181         7.4862

(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                         08 April 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)

DETAILS OF OPEN POSITIONS
(This form should be attached to Form 8.1, Form 8.1(b)(ii) or Form 8.3, as appropriate)


Product name,     Written or  Number of securities   Exercise price   Type, e.g.     Expiry date
e.g. call option  purchased   to which the option    (Note 2)         American,


Notes

The Notes on Form 8.3 can be viewed on the Takeover Panel's website at
www.thetakeoverpanel.org.uk