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               01 October 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     239,331,769     6.45%      3,000,189     0.08%
securities
(2) Derivatives   21,033,678     0.57%      2,931,201     0.08%
(other than
options)
(3) Options and      869,985     0.02%              0     0.00%
agreements to
purchase/sell
Total            261,235,432     7.04%      5,931,390     0.16%

(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           1,421               3.1400
Purchase           79,319              3.1697
Purchase           32,280              3.1740
Purchase           477,915             3.1559
Purchase           310,261             3.1050
Purchase           2,215               3.1400
Purchase           2,583               3.1306
Purchase           305,006             3.1372
Purchase           1,700               3.1325
Purchase           100,107             3.1287
Purchase           10,600              3.1735
Purchase           174,567             3.1481
Purchase           500                 3.1575
Purchase           64,297              3.1184
Purchase           56,135              3.1247
Purchase           77,565              3.1125
Purchase           20,796              3.1400
Purchase           61,120              3.1400
Purchase           13,126              3.1400
Purchase           306,577             3.1452
Purchase           5,287               3.1735
Purchase           14,357              3.1372
Purchase           107,915             3.1304
Purchase           14,484              3.1272
Purchase           98,095              3.1400
Purchase           8,029               3.1400
Purchase           6,428               3.1400
Purchase           9,918               3.1221
Sale               1,710               3.1775
Sale               4,629               3.1732
Sale               166,850             3.1483
Sale               500                 3.1575
Sale               267                 3.1704
Sale               16,211              3.1730
Sale               102,135             3.1277
Sale               1,350               3.1775
Sale               3,229               3.1719
Sale               7,358               3.1719
Sale               3,858               3.1719
Sale               12,973              3.1719
Sale               6,156               3.1719
Sale               24,211              3.1400
Sale               3,417               3.1719
Sale               20,003              3.1719
Sale               3,600               3.1775
Sale               700                 3.1825
Sale               116,335             3.1352
Sale               783                 3.1775
Sale               22,280              3.1400
Sale               40,201              3.1400
Sale               1,080               3.1775
Sale               1,440               3.1775
Sale               2,000               3.1775
Sale               1,500               3.1775
Sale               6,000               3.1775
Sale               9,979               3.1719

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          102135        3.1276
CFD            Long          116335        3.1351
CFD            Long          166850        3.1483
CFD            Long          500           3.1575
CFD            Long          16211         3.1729
CFD            Long          71258         3.1743
CFD            Short         64297         3.1183
CFD            Short         56135         3.1246
CFD            Short         14484         3.1272
CFD            Short         100107        3.1287
CFD            Short         107915        3.1303
CFD            Short         1700          3.1325
CFD            Short         10724         3.14
CFD            Short         306577        3.1451
CFD            Short         174567        3.1481
CFD            Short         477915        3.1558
CFD            Short         500           3.1575
CFD            Short         58532         3.1682
CFD            Short         20787         3.1737
CFD            Short         32280         3.1739

(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                         02 October 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