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               04 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      43,509,891      4.21%      1,425,316     0.14%
securities
(2) Derivatives      931,641      0.09%        644,572     0.06%
(other than
options)
(3) Options and            0      0.00%              0     0.00%
agreements to
purchase/sell
Total             44,441,532      4.30%      2,069,888     0.20%

(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      1,838                7.0673
Purchase      3,400                7.0868
Purchase      3,131                7.0774
Purchase      247,519              7.0191
Purchase      86,605               6.9850
Purchase      9,132                7.0032
Purchase      49,777               7.0085
Purchase      6,815                6.6250
Purchase      1,700                7.0500
Purchase      11,869               7.0988
Purchase      3,131                7.0749
Purchase      1,197                7.0716
Purchase      4,267                7.0564
Purchase      16,894               6.9521
Purchase      129,908              6.9650
Purchase      500                  6.9611
Purchase      11,664               7.1100
Purchase      349                  7.0970
Sale          12,300               7.0482
Sale          16,048               6.5940
Sale          7,460                6.5940
Sale          6,815                6.6250
Sale          3,131                7.0774
Sale          15,433               7.1100
Sale          3,539                7.1086
Sale          59,822               7.0102
Sale          23,936               6.5940
Sale          4,000                7.0100
Sale          97,159               7.0578
Sale          4,620                6.5940
Sale          54,342               6.5940
Sale          15,000               7.0825

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          6815          6.625
CFD            Long          4000          7.01
CFD            Long          59822         7.0101
CFD            Long          12300         7.0481
CFD            Long          97159         7.0578
CFD            Long          3539          7.1086
CFD            Short         6815          6.625
CFD            Short         16894         6.9521
CFD            Short         500           6.9611
CFD            Short         49777         7.0084
CFD            Short         247519        7.0191
CFD            Short         1700          7.05
CFD            Short         4267          7.0563
CFD            Short         1838          7.0672
CFD            Short         3400          7.0867

(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                         07 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