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 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     40,738,048        3.94%    1,528,370      0.15%
securities
(2) Derivatives   1,302,980        0.13%      365,086      0.04%
(other than
options)
(3) Options and           0        0.00%            0      0.00%
agreements to
purchase/sell
Total            42,041,028        4.07%    1,893,456      0.18%


(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      53,988               6.9807
Purchase      42                   6.9600
Purchase      2,900                6.9905
Purchase      13,488               7.0022
Purchase      22,584               6.9949
Purchase      26,645               7.0032
Purchase      2,878                6.9811
Purchase      17,138               6.9600
Purchase      17,268               6.9800
Purchase      1,600                6.9800
Purchase      2,552                6.9800
Purchase      698                  6.9800
Purchase      17,180               6.9800
Purchase      1,405                6.9900
Purchase      716                  6.9800
Sale          2,900                6.9905
Sale          17,180               6.9800
Sale          11,638               6.9996
Sale          719                  6.9800
Sale          4,239                6.9800
Sale          65                   6.9360
Sale          42                   6.9600
Sale          17,138               6.9600
Sale          1,992                7.0002
Sale          225,676              6.9812
Sale          394                  6.9950
Sale          5,696                7.0002
Sale          224,062              6.9290

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          2900          6.9905
CFD            Long          11638         6.9995
CFD            Long          2643          7.0036
CFD            Short         53988         6.9806
CFD            Short         2878          6.9811
CFD            Short         8851          6.9825
CFD            Short         2900          6.9905
CFD            Short         22584         6.9948
CFD            Short         13488         7.0022
CFD            Short         26645         7.0031

(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 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