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)     18 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     40,518,405        3.92%    1,810,210      0.18%
securities
(2) Derivatives   1,599,536        0.15%      261,591      0.03%
(other than
options)
(3) Options and           0        0.00%            0      0.00%
agreements to
purchase/sell
Total            42,117,941        4.07%    2,071,801      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      129,505              7.0250
Purchase      29,268               7.0205
Purchase      25,318               7.0644
Purchase      43,437               7.0492
Purchase      29                   7.1000
Purchase      28,318               7.1000
Purchase      24,818               6.9660
Purchase      130,724              7.1000
Purchase      3,765                7.0491
Purchase      23,374               7.0000
Purchase      3,292                7.0000
Purchase      3,200                7.0000
Purchase      8,497                7.2250
Purchase      698                  7.0000
Purchase      700                  7.0362
Purchase      2,058                7.0000
Purchase      28,347               7.0000
Sale          1,100,794            Transfer
Sale          24,818               6.9660
Sale          17,545               6.9991
Sale          11,546               7.0553
Sale          28,347               7.0000
Sale          29                   7.1000
Sale          28,318               7.1000
Sale          48,187               6.9989
Sale          6,178                7.0428
Sale          29,366               7.0170
Sale          3,500                7.0550
Sale          1,400                6.9300

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          1400          6.93
CFD            Long          24818         6.966
CFD            Long          48187         6.9988
CFD            Long          17545         6.9991
CFD            Long          29366         7.017
CFD            Long          6178          7.0428
CFD            Long          3500          7.055
CFD            Long          11546         7.0553
CFD            Short         24818         6.966
CFD            Short         8963          6.9891
CFD            Short         29268         7.0204
CFD            Short         700           7.0362
CFD            Short         47202         7.0491
CFD            Short         25318         7.0643

(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                         21 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