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               23 April 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      44,185,351      4.28%        572,047     0.06%
securities
(2) Derivatives      196,548      0.02%        643,711     0.06%
(other than
options)
(3) Options and            0      0.00%              0     0.00%
agreements to
purchase/sell
Total             44,381,899      4.29%      1,215,758     0.12%

(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      3,867                7.5400
Purchase      14,230               7.4696
Purchase      9,328                7.4270
Purchase      140,196              7.5402
Purchase      14,403               7.5233
Purchase      1,629                7.4545
Purchase      6,426                7.5414
Purchase      40,984               7.4996
Purchase      52,061               7.4756
Purchase      3,867                7.5400
Purchase      63,906               7.4659
Purchase      69,302               7.4895
Purchase      662                  7.4200
Sale          63,906               7.4659
Sale          2,421                7.4550
Sale          21,300               7.4334
Sale          3,867                7.5400
Sale          63,906               7.4659
Sale          6,406                7.5092
Sale          10,782               7.4705
Sale          1,610                7.4488
Sale          64,098               7.4859
Sale          2,099                7.4850

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          21300         7.4333
CFD            Long          1610          7.4488
CFD            Long          2421          7.455
CFD            Long          2099          7.485
CFD            Long          64098         7.4858
CFD            Long          6406          7.5092
CFD            Short         9328          7.427
CFD            Short         1629          7.4544
CFD            Short         14230         7.4696
CFD            Short         52061         7.4756
CFD            Short         69302         7.4894
CFD            Short         40984         7.4995
CFD            Short         14403         7.5233
CFD            Short         6426          7.5414

(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                         24 April 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)

DETAILS OF OPEN POSITIONS
(This form should be attached to Form 8.1, Form 8.1(b)(ii) or Form 8.3, as appropriate)


Product name,     Written or  Number of securities   Exercise price   Type, e.g.     Expiry date
e.g. call option  purchased   to which the option    (Note 2)         American,


Notes

The Notes on Form 8.3 can be viewed on the Takeover Panel's website at
www.thetakeoverpanel.org.uk