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)     24 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     42,222,974        4.08%     1,325,342     0.13%
securities
(2) Derivatives     990,471        0.10%       865,069     0.08%
(other than
options)
(3) Options and           0        0.00%            0      0.00%
agreements to
purchase/sell
Total            43,213,445        4.18%     2,190,411     0.21%

(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      10,792               6.9150
Purchase      105,073              7.1575
Purchase      5,364                6.9611
Purchase      86,337               6.9100
Purchase      43,168               6.9100
Purchase      442,477              7.2860
Purchase      452,752              7.1282
Purchase      215,842              7.2951
Purchase      92,464               7.1748
Purchase      1,297,588            7.3027
Purchase      130,724              7.1000
Purchase      11,010               7.0923
Purchase      86,337               6.9400
Purchase      2,380                7.0588
Purchase      672                  6.8950
Purchase      1,098                6.9307
Purchase      11,010               7.0930
Purchase      1,098                6.9307
Purchase      10,304               7.0589
Purchase      4,890                7.0589
Purchase      3,726                7.0588
Purchase      8,086                7.2950
Purchase      4,043                7.2850
Purchase      3,271                7.0811
Sale          14,098               7.1949
Sale          109,366              7.1452
Sale          4,125                7.2838
Sale          442,477              7.2860
Sale          1,297,588            7.3027
Sale          3,385                7.0277
Sale          6,658                7.2061
Sale          41,812               7.2020
Sale          11,010               7.0930
Sale          1,765                7.2850
Sale          7,086                6.9187
Sale          71,627               7.2850
Sale          716                  7.2850
Sale          23,491               6.9250


(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          7086          6.9186
CFD            Long          109366        7.1451
CFD            Long          14098         7.1948
CFD            Long          41812         7.2019
CFD            Long          6658          7.2061
CFD            Long          4125          7.2838
CFD            Long          1297588       7.3026
CFD            Short         24718         6.9707
CFD            Short         3271          7.0811
CFD            Short         20840         7.0913
CFD            Short         11010         7.093
CFD            Short         452752        7.1281
CFD            Short         105073        7.1575
CFD            Short         92464         7.1747
CFD            Short         16727         7.2836
CFD            Short         1297588       7.3026


(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                         25 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