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)     22 September 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      42,823,782       4.14%     1,967,306     0.19%
securities
(2) Derivatives      995,135       0.10%       122,638     0.01%
(other than
options)
(3) Options and            0       0.00%             0     0.00%
agreements to
purchase/sell
Total             43,818,917       4.24%     2,089,944     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      800                  7.2412
Purchase      6,551                7.2117
Purchase      8,528                7.2208
Purchase      38,070               7.1857
Purchase      23,110               7.2370
Purchase      42,951               7.2850
Purchase      136,434              7.2303
Purchase      14,468               7.2441
Purchase      1,180                7.2850
Purchase      284                  7.2050
Purchase      985                  7.1800
Purchase      1,637                7.2550
Purchase      2,436                7.2850
Purchase      17,205               7.2850
Purchase      3,940                7.2850
Purchase      122,837              7.2050
Sale          35,072               7.2032
Sale          107                  7.2350
Sale          284                  7.2050
Sale          39,733               7.1883
Sale          6,211                7.2181
Sale          3,228                7.2839
Sale          21,055               7.2181
Sale          5,662                7.2850
Sale          17,205               7.2850
Sale          1,000                7.2208
Sale          8,462                7.2181
Sale          1,222                7.2016
Sale          3,406                7.2016
Sale          17,311               7.2850
Sale          1,108                7.2016
Sale          29,411               7.2334


(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          39733         7.1882
CFD            Long          35072         7.2031
CFD            Long          1000          7.2207
CFD            Long          29411         7.2334
CFD            Long          3228          7.2839
CFD            Short         38070         7.1857
CFD            Short         6454          7.2176
CFD            Short         138508        7.2302
CFD            Short         23110         7.2369
CFD            Short         800           7.2412
CFD            Short         14468         7.244

(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                         23 September 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