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               02 July 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      40,826,378      3.95%    1,519,999       0.15%
securities
(2) Derivatives    1,088,359      0.11%      492,510       0.05%
(other than
options)
(3) Options and            0      0.00%            0       0.00%
agreements to
purchase/sell
Total             41,914,737      4.05%    2,012,509       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      86,337                7.0800
Purchase      168                   7.0011
Purchase      40,813                7.0463
Purchase      3,300                 7.0900
Purchase      1,411                 7.0712
Purchase      43,168                7.0800
Purchase      1,413                 7.0867
Purchase      275                   7.0471
Purchase      43,168                7.1000
Purchase      43,168                7.0800
Purchase      199,798               6.9841
Purchase      3,407                 7.0307
Purchase      1,804                 7.0350
Purchase      3,620                 7.0000
Sale          2,710                 7.0952
Sale          2,400                 7.1051
Sale          44,993                7.0090
Sale          3,300                 7.0900
Sale          55,437                7.0723
Sale          2,474                 7.1023
Sale          163                   7.0600
Sale          11,781                6.9991
Sale          199,798               6.9841
Sale          215,840               7.0840
Sale          149,637               7.0736
Sale          38,137                7.0428
Sale          53                    7.1391
Sale          4,285                 7.0107

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          199798        6.9841
CFD            Long          11781         6.9991
CFD            Long          44993         7.0089
CFD            Long          4285          7.0106
CFD            Long          38137         7.0427
CFD            Long          163           7.06
CFD            Long          55437         7.0722
CFD            Long          149637        7.0736
CFD            Long          2474          7.1023
CFD            Long          2400          7.1051
CFD            Long          53            7.139
CFD            Short          199798       6.9841
CFD            Short          168          7.0011
CFD            Short          3407         7.0307
CFD            Short          1804         7.035
CFD            Short          40813        7.0463
CFD            Short          1413         7.0866
CFD            Short          85304        7.0912

(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                         03 July 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