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               17 June 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      44,641,340        4.32%     242,545      0.02%
securities
(2) Derivatives      615,282        0.06%   1,223,051      0.12%
(other than
options)
(3) Options and            0        0.00%           0      0.00%
agreements to
purchase/sell
Total             45,256,622        4.38%   1,465,596      0.14%


(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      18,105               7.1348
Purchase      2,400                7.1600
Purchase      1,164                7.2021
Purchase      11,386               7.1472
Purchase      3,318                7.0913
Purchase      300                  7.1150
Purchase      54,931               7.1521
Purchase      28,479               7.1458
Purchase      216,721              7.1571
Purchase      348                  7.1184
Purchase      348                  7.0900
Purchase      22,853               7.0900
Purchase      3,449                7.1221
Purchase      9,155                7.1875
Sale          2,603                7.1837
Sale          778                  7.1813
Sale          2,784                7.1550
Sale          7,601                7.1439
Sale          216,721              7.1572
Sale          2,098                7.1478
Sale          17,240               7.1523
Sale          18,390               7.1273
Sale          55,459               7.1658
Sale          6,000                7.2100
Sale          198,331              7.1599
Sale          61,998               7.1553


(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          7601          7.1439
CFD            Long          2098          7.1478
CFD            Long          17240         7.1522
CFD            Long          61998         7.1553
CFD            Long          5590          7.1588
CFD            Long          11569         7.1781
CFD            Long          68204         7.1876
CFD            Long          6000          7.21
CFD            Short         3318          7.0913
CFD            Short         300           7.115
CFD            Short         18105         7.1347
CFD            Short         28479         7.1458
CFD            Short         11386         7.1472
CFD            Short         54931         7.152
CFD            Short         2400          7.16


(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                         18 June 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