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               27 March 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      42,793,513      4.14%      2,543,311     0.25%
securities
(2) Derivatives    1,848,642      0.18%        564,174     0.05%
(other than
options)
(3) Options and            0      0.00%              0     0.00%
agreements to
purchase/sell
Total             44,642,155      4.32%      3,107,485     0.30%

(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      24,824               6.6500
Purchase      3,750                6.6613
Purchase      30,915               6.6926
Purchase      76,553               6.7383
Purchase      47                   6.7151
Purchase      10,089               6.7126
Purchase      1,828                6.6711
Purchase      19,630               6.6111
Purchase      8,014                6.6600
Purchase      22,284               6.6600
Purchase      12,900               6.6600
Purchase      606                  6.6600
Purchase      52,117               6.6700
Sale          4,052                6.6496
Sale          23,476               6.7249
Sale          90,314               6.7437
Sale          23,000               6.6600
Sale          68,068               6.7254
Sale          12,793               6.6252
Sale          9,400                6.6139
Sale          15,887               6.6218
Sale          62,213               6.7980
Sale          14,750               6.7802
Sale          1,185                6.6600

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          9400          6.6139
CFD            Long          15887         6.6218
CFD            Long          12793         6.6252
CFD            Long          4052          6.6496
CFD            Long          23476         6.7249
CFD            Long          68068         6.7254
CFD            Long          90314         6.7437
CFD            Long          14750         6.7802
CFD            Long          62213         6.798
CFD            Short         19630         6.6111
CFD            Short         24824         6.6499
CFD            Short         3750          6.6612
CFD            Short         52117         6.6699
CFD            Short         1828          6.6711
CFD            Short         30915         6.6926
CFD            Short         47            6.7151
CFD            Short         76553         6.7382

(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                         28 March 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