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               04 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     239,973,384     6.46%      2,374,020     0.06%
securities
(2) Derivatives   17,858,589     0.48%      1,900,353     0.05%
(other than
options)
(3) Options and      869,985     0.02%              0     0.00%
agreements to
purchase/sell
Total            258,701,958     6.97%      4,274,373     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           Price per unit
                   Securities          (GBP)
Purchase           89,476              3.1455
Purchase           1,977               3.1955
Purchase           2,578               3.1152
Purchase           8,567               3.0942
Purchase           142,763             3.1527
Purchase           1,700               3.1241
Purchase           3,167               3.1450
Purchase           51,872              3.1048
Purchase           25,497              3.1020
Purchase           24,433              3.1125
Purchase           153,617             3.1300
Purchase           3,469               3.2100
Purchase           31,838              3.2100
Purchase           2,215               3.2100
Purchase           3,090               3.0550
Sale               3,225               3.1260
Sale               6,661               3.1183
Sale               32,606              3.0556
Sale               830                 3.1375
Sale               3,167               3.1450
Sale               16,600              3.0549
Sale               64,590              3.2100
Sale               166,029             3.1544
Sale               5,172               3.2100
Sale               20,778              3.1264
Sale               1,700               3.1241
Sale               1,950               3.0545
Sale               1,800               3.1055
Sale               81,760              3.1567
Sale               19,402              3.2100
Sale               25,787              3.2100
Sale               48,160              3.1039
Sale               7,932               3.2100

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          1950          3.0545
CFD            Long          32606         3.0555
CFD            Long          48160         3.1038
CFD            Long          6661          3.1183
CFD            Long          1700          3.1241
CFD            Long          20778         3.1264
CFD            Long          3167          3.145
CFD            Long          166029        3.1543
CFD            Long          81760         3.1567
CFD            Short         8567          3.0942
CFD            Short         4508          3.0971
CFD            Short         5954          3.1017
CFD            Short         51872         3.1048
CFD            Short         24433         3.1124
CFD            Short         2578          3.1152
CFD            Short         1700          3.1241
CFD            Short         3167          3.145
CFD            Short         89476         3.1455
CFD            Short         142763        3.1526
CFD            Short         61835         3.1878
CFD            Short         1977          3.1954

(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                         05 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