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               05 September 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     227,946,921     6.14%      5,011,561     0.14%
securities
(2) Derivatives   19,330,448     0.52%      2,874,562     0.08%
(other than
options)
(3) Options and            0     0.00%              0     0.00%
agreements to
purchase/sell
Total            247,277,369     6.66%      7,886,123     0.21%


(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      16,998                3.1570
Purchase      5,992                 3.1105
Purchase      9,524                 3.1600
Purchase      11,380                3.1420
Purchase      84,489                3.1419
Purchase      8,200                 3.1361
Purchase      141,454               3.1603
Purchase      10,059                3.1600
Purchase      155,609               3.1235
Purchase      4,300                 3.1211
Purchase      300                   3.1750
Purchase      267                   Transfer
Purchase      8,125,355             Transfer
Purchase      269,419               3.1414
Sale          139,452               3.1538
Sale          178                   Transfer
Sale          8,125,355             Transfer
Sale          5,992                 3.1654
Sale          283,915               3.1487
Sale          461,632               3.1600
Sale          122,244               3.1709
Sale          7,951                 3.1595
Sale          300                   3.1750
Sale          88,828                3.1610
Sale          11,760                3.1528
Sale          136,833               3.1573
Sale          39,784                3.1637
Sale          1,967                 3.1600
Sale          712                   3.1336
Sale          1,775                 3.1408
Sale          3,175                 3.1363
Sale          5,626                 3.1600
Sale          4,300                 3.1211

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          4300          3.1211
CFD            Long          41232         3.1337
CFD            Long          283915        3.1486
CFD            Long          137737        3.1494
CFD            Long          11760         3.1528
CFD            Long          519673        3.1533
CFD            Long          139452        3.1538
CFD            Long          136833        3.1573
CFD            Long          7951          3.1595
CFD            Long          88828         3.161
CFD            Long          39784         3.1637
CFD            Long          5992          3.1653
CFD            Long          122244        3.1708
CFD            Long          300           3.175
CFD            Short         5992          3.1104
CFD            Short         4300          3.1211
CFD            Short         155609        3.1235
CFD            Short         8200          3.1361
CFD            Short         269419        3.1414
CFD            Short         84489         3.1418
CFD            Short         11380         3.1419
CFD            Short         16998         3.1569
CFD            Short         3941          3.1591
CFD            Short         141454        3.1602
CFD            Short         300           3.175

(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                         08 September 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)


Notes

The Notes on Form 8.3 can be viewed on the Takeover Panel's website at
www.thetakeoverpanel.org.uk