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)     17 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     41,333,085        4.00%    1,906,223      0.18%
securities
(2) Derivatives   1,594,391        0.15%      262,717      0.03%
(other than
options)
(3) Options and           0        0.00%            0      0.00%
agreements to
purchase/sell
Total            42,927,476        4.15%    2,168,940      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      1,337                7.1011
Purchase      13,628               7.0926
Purchase      45,170               7.1153
Purchase      17,300               7.0887
Purchase      4,300                7.2250
Purchase      900                  7.0600
Purchase      41,761               7.1275
Purchase      16,943               7.1719
Purchase      1,175                7.1600
Purchase      1,470                7.1000
Purchase      349                  7.1000
Purchase      3,933                7.0680
Sale          4,208                7.0617
Sale          4,300                7.2250
Sale          4,907                7.0875
Sale          3,920                7.0993
Sale          14,758               7.0875
Sale          335                  7.0500
Sale          4,300                7.0750
Sale          55,395               7.0976
Sale          127,867              7.0734
Sale          900                  7.0600
Sale          28,960               7.1000
Sale          4,172                7.1000
Sale          37,935               7.1305
Sale          15,557               7.1137
Sale          1,384                7.0875
Sale          27,018               7.1000

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          900           7.06
CFD            Long          4208          7.0617
CFD            Long          127867        7.0734
CFD            Long          55395         7.0976
CFD            Long          3920          7.0992
CFD            Long          37935         7.1305
CFD            Short         900           7.06
CFD            Short         3933          7.068
CFD            Short         16188         7.0866
CFD            Short         13628         7.0925
CFD            Short         1337          7.1011
CFD            Short         45170         7.1152
CFD            Short         41761         7.1275
CFD            Short         1175          7.16
CFD            Short         16943         7.1718

(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 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