Rule 8.3 - CENTRICA

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              CENTRICA
Class of relevant security    ORD GBP0.061728395
to which the dealings being
disclosed relate (Note 2)
Date of dealing               13 November 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     238,581,937     6.42%      1,936,847     0.05%
securities
(2) Derivatives   16,854,837     0.45%      1,603,433     0.04%
(other than
options)
(3) Options and      869,985     0.02%              0     0.00%
agreements to
purchase/sell
Total            256,306,759     6.90%      3,540,280     0.10%

(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           Price per unit
                   Securities          (GBP)
Purchase           1,798               Transfer
Purchase           50,088              3.0700
Purchase           4,662               3.0683
Purchase           52,807              3.0723
Purchase           100                 3.1025
Purchase           3,188               3.0775
Purchase           391,499             3.0683
Purchase           148,877             3.0683
Purchase           100                 3.0475
Purchase           11,331              3.0705
Purchase           6,867               3.0700
Purchase           3,949               3.0700
Purchase           35,079              3.0446
Purchase           2,963               3.0700
Purchase           3,188               3.0700
Purchase           1,195               3.0450
Purchase           152,550             3.0700
Purchase           79,326              3.0787
Purchase           15,255              3.0700
Purchase           2,620               3.0700
Purchase           3,469               3.0729
Purchase           131,929             3.0594
Purchase           189                 3.0405
Sale               39,536              3.1050
Sale               17,792              3.1166
Sale               49,622              3.0715
Sale               1,069               Transfer
Sale               171,277             3.0662
Sale               100                 3.0475
Sale               100                 3.1025
Sale               61,664              3.0745
Sale               3,226               3.0350
Sale               4,662               3.0695
Sale               2,736               Transfer
Sale               86,336              3.0700
Sale               2,418               3.0700
Sale               3,178               3.0700
Sale               6,938               3.0700
Sale               58,269              3.0966

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          100           3.0475
CFD            Long          55315         3.0589
CFD            Long          171277        3.0661
CFD            Long          3536          3.0673
CFD            Long          4662          3.0695
CFD            Long          49622         3.0715
CFD            Long          61664         3.0744
CFD            Long          58269         3.0966
CFD            Long          100           3.1025
CFD            Long          36000         3.1087
CFD            Long          17792         3.1165
CFD            Short         189           3.0404
CFD            Short         35079         3.0446
CFD            Short         100           3.0475
CFD            Short         53182         3.0577
CFD            Short         131929        3.0593
CFD            Short         7447          3.068
CFD            Short         540376        3.0682
CFD            Short         4662          3.0683
CFD            Short         52807         3.0723
CFD            Short         3884          3.0751
CFD            Short         29950         3.0796
CFD            Short         100           3.1025

(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)                 YES


Date of disclosure                         14 November 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)


SUPPLEMENTAL FORM 8

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


OPEN POSITIONS (Note 1)
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,
                              or derivative relates                   European etc.
Option            Purchased   869,985                4.0304           EURO           18/12/2008

Notes

1. Where there are open option positions or open derivative positions (except for CFD's), full details should be given.
Full details of any existing agreements to purchase or to sell should also be given on this form.

2. For all prices and other monetary amounts, the currency must be stated.

For details of the Code's dealing disclosure requirements, see Rule 8 and its Notes which can be viewed on the Takeover
Panel's website at www.thetakeoverpanel.org.uk