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)     04 August 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     41,669,714        4.03%    1,655,904      0.16%
securities
(2) Derivatives   1,267,304        0.12%      206,387      0.02%
(other than
options)
(3) Options and           0        0.00%            0      0.00%
agreements to
purchase/sell
Total            42,937,018        4.15%    1,862,291      0.18%

(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      484,250              7.1281
Purchase      3,400                7.1351
Purchase      161,575              7.1264
Purchase      5,000                6.8134
Purchase      11,000               7.1019
Purchase      129,704              7.0679
Purchase      430                  7.0757
Purchase      62,500               7.0848
Purchase      43,045               7.0900
Purchase      10,761               7.1650
Purchase      2,058                7.1387
Purchase      43,045               7.1000
Purchase      43,045               7.1000
Purchase      86,089               7.1000
Purchase      129,134              7.2150
Purchase      7                    Transfer
Purchase      74,454               7.1297
Purchase      43,045               7.1000
Purchase      43,045               7.0900
Purchase      23,610               7.0947
Purchase      6,648                7.0000
Purchase      2,693                7.1264
Purchase      312,730              7.0000
Purchase      18,066               7.1211
Purchase      7,140                7.1800
Purchase      649                  6.8000
Purchase      43,045               7.0750
Sale          484,250              7.1281
Sale          155,573              7.1375
Sale          10,447               7.1789
Sale          7                    Transfer
Sale          50,184               7.0717
Sale          6,597                7.1642
Sale          17,900               7.1710
Sale          3,400                7.1351
Sale          35,297               6.8600
Sale          6,648                7.0000
Sale          312,730              7.0000
Sale          595                  7.1991

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          50184         7.0716
CFD            Long          3400          7.1351
CFD            Long          155573        7.1374
CFD            Long          6597          7.1641
CFD            Long          17900         7.1709
CFD            Long          10447         7.1788
CFD            Long          595           7.199
CFD            Short         129704        7.0679
CFD            Short         430           7.0756
CFD            Short         62500         7.0848
CFD            Short         11000         7.1018
CFD            Short         18066         7.121
CFD            Short         161575        7.1263
CFD            Short         1512          7.1264
CFD            Short         74454         7.1297
CFD            Short         3400          7.1351

(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                         05 August 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