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               02 May 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      44,324,631       4.29%       466,795     0.05%
securities
(2) Derivatives      438,243       0.04%       643,298     0.06%
(other than
options)
(3) Options and            0       0.00%            0      0.00%
agreements to
purchase/sell
Total             44,762,874       4.33%     1,110,093     0.11%

(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      1,209                7.5050
Purchase      30,875               7.4710
Purchase      14,838               7.4824
Purchase      34,461               7.3648
Purchase      27,650               7.4588
Purchase      746                  7.5462
Purchase      13,796               7.2864
Purchase      1,312                7.5000
Purchase      124,563              7.4275
Purchase      13,495               7.2850
Purchase      14,117               7.2850
Purchase      1,979                7.4800
Sale          11,888               7.4843
Sale          2,639                7.4300
Sale          24,424               7.4714
Sale          17,140               7.2850
Sale          22,284               7.2850
Sale          10,332               7.5497
Sale          1,312                7.5000
Sale          1,516                7.5300
Sale          1,312                7.4900
Sale          25,265               7.6000
Sale          162,361              7.3860

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          162361        7.3859
CFD            Long          24424         7.4713
CFD            Long          1516          7.53
CFD            Long          10332         7.5496
CFD            Short         13796         7.2863
CFD            Short         34461         7.3647
CFD            Short         124563        7.4274
CFD            Short         27650         7.4587
CFD            Short         30875         7.471
CFD            Short         14838         7.4823
CFD            Short         1209          7.505
CFD            Short         746           7.5462

(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                         06 May 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