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               14 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     240,708,650     6.48%      2,076,008     0.06%
securities
(2) Derivatives   17,011,972     0.46%      2,605,964     0.07%
(other than
options)
(3) Options and      869,985     0.02%              0     0.00%
agreements to
purchase/sell
Total            258,590,607     6.96%      4,681,972     0.13%

(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           38,403              3.1106
Purchase           77,600              3.0979
Purchase           203,456             3.0775
Purchase           1,039               3.1292
Purchase           1,030               3.1292
Purchase           87,986              3.1292
Purchase           400                 3.1194
Purchase           2,408               3.1292
Purchase           49,475              3.0775
Purchase           109,101             3.0775
Purchase           12,259              3.0775
Purchase           4,664               3.0915
Purchase           29,081              3.0775
Purchase           37,170              3.0775
Purchase           174,840             3.1006
Purchase           49,475              3.1425
Purchase           95,180              3.1020
Purchase           455,759             3.1099
Purchase           101,926             3.1148
Purchase           4,143               3.1292
Purchase           14,383              3.0979
Purchase           38,899              3.0979
Purchase           62,756              3.0932
Purchase           156,300             3.0700
Purchase           5,033               3.1292
Purchase           4,842               3.1292
Purchase           3,258               3.1275
Purchase           1,635               3.1292
Purchase           5,195               3.1292
Purchase           1,782               3.1292
Purchase           8,853               3.1292
Purchase           5,571               3.1292
Purchase           396,630             3.0775
Purchase           451,086             3.1123
Purchase           42,311              3.0775
Purchase           4,270               3.1292
Purchase           2,944               3.1292
Purchase           5,064               3.1292
Purchase           52,410              3.0693
Purchase           40,430              3.0775
Purchase           145,218             3.0775
Purchase           18,726              3.0775
Purchase           943                 3.1292
Purchase           3,468               3.0775
Sale               2,799               3.1305
Sale               49,475              3.0775
Sale               3,000               3.1380
Sale               108,801             3.1236
Sale               104,598             3.1181
Sale               8,750               3.1078
Sale               208,440             3.1288
Sale               4,701               3.0927
Sale               40,176              3.1114
Sale               400                 3.1194
Sale               99,773              3.1087
Sale               122                 Transfer
Sale               63,556              3.0790
Sale               122,455             3.0775
Sale               18,726              3.0775
Sale               36,228              3.1180
Sale               7,921               3.1249
Sale               768                 3.0725

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          63556         3.079
CFD            Long          4701          3.0926
CFD            Long          99773         3.1086
CFD            Long          40176         3.1113
CFD            Long          54137         3.1149
CFD            Long          104598        3.118
CFD            Long          400           3.1193
CFD            Long          208440        3.1288
CFD            Short         11322         3.0589
CFD            Short         4664          3.0915
CFD            Short         62756         3.0931
CFD            Short         174840        3.1005
CFD            Short         83858         3.1077
CFD            Short         36163         3.1088
CFD            Short         455759        3.1099
CFD            Short         38403         3.1106
CFD            Short         451086        3.1122
CFD            Short         101926        3.1148
CFD            Short         400           3.1193

(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                         17 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