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               11 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      43,518,848      4.21%      1,289,047     0.12%
securities
(2) Derivatives      857,637      0.08%        637,252     0.06%
(other than
options)
(3) Options and            0      0.00%              0     0.00%
agreements to
purchase/sell
Total            44,376,485       4.29%       1,926,299    0.19%

(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      692                  7.4212
Purchase      7,062                7.3964
Purchase      13,572               7.4114
Purchase      2,685                7.4865
Purchase      10,973               7.4031
Purchase      11,342               7.4837
Purchase      8,700                7.4111
Purchase      131,797              7.4724
Purchase      4,277                7.4100
Purchase      175,024              7.4667
Purchase      401                  7.4100
Purchase      1,312                7.3764
Purchase      75,655               7.4609
Sale          146,278              7.4766
Sale          335                  7.4100
Sale          59,800               7.4962
Sale          5,637                7.4897
Sale          60,276               7.4655
Sale          7,121                7.4636
Sale          1,472                7.4800
Sale          637                  7.4100
Sale          138,225              7.4624
Sale          1,312                7.5286
Sale          4,983                7.4705
Sale          1,000                7.5488

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          138225        7.4623
CFD            Long          7121          7.4635
CFD            Long          60276         7.4655
CFD            Long          4983          7.4704
CFD            Long          146278        7.4766
CFD            Long          1472          7.48
CFD            Long          5637          7.4896
CFD            Long          59800         7.4962
CFD            Long          1312          7.5285
CFD            Long          1000          7.5488
CFD            Short         1312          7.3764
CFD            Short         10973         7.403
CFD            Short         8700          7.4111
CFD            Short         13572         7.4114
CFD            Short         692           7.4211
CFD            Short         75655         7.4609
CFD            Short         175024        7.4666
CFD            Short         131797        7.4723
CFD            Short         11342         7.4837

(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                         14 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