Holding in Company

Centrica PLC
20 September 2001


                  DEALINGS BY SUBSTANTIAL SHAREHOLDERS


1)   NAME OF COMPANY

CENTRICA PLC

2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

THE CAPITAL GROUP COMPANIES INC

3)   Please state whether notification indicates that it is in respect of 
     holding of the Shareholder named in 2 above or in respect of a 
     non-beneficial interest or in the case of an individual holder if it is a
     holding of that person's spouse or children under the age of 18

SHAREHOLDER IN (2) ABOVE

4)   Name of the registered holder(s) and, if more than one holder, the 
     number of shares held by each of them.

SEE BELOW

5)   Number of shares/amount of stock acquired.

N/A

6)   ( N/A %) of issued Class

7)   Number of shares/amount of stock disposed

2,795,000

8)   (0.07%) of issued Class

9)   Class of security

ORDINARY 5 5/9 PENCE

10)  Date of transaction

18 SEPTEMBER 2001

11)  Date company informed

19 SEPTEMBER 2001

12)  Total holding following this notification

118,095,115
               
13)  Total percentage holding of issued class following this notification

2.94%

14)  Any additional information

N/A

15)  Name of contact and telephone number for queries

IAN RITCHIE    01753 494011

16)  Name and signature of authorised company official responsible for 
     making this notification

     Date of Notification .20TH SEPTEMBER 2001.............


As of 18 September 2001

Centrica plc

                                                Number of           Percent of
                                                   Shares          Outstanding

The Capital Group Companies, Inc. ('CG')
holdings                                      118,095,115                2.94%

Holdings by CG Management Companies and Funds:

- Capital Guardian Trust Company               58,704,107                1.46%

- Capital International Limited                47,432,208                1.18%

- Capital international S.A.                   11,869,800                0.30%

- Capital International, Inc.                      89,000                0.00%



                                   Schedule A


                     Schedule of holdings in Centrica plc
                           As of 18 September 2001

                        Capital Guardian Trust Company

Registered Name                                                   Local Shares
 
State Street Nominees limited                                        8,533,900

Bank of New York Nominees                                            1,013,700

Chase Nominees Limited                                              20,893,800

BT Globenet Nominees Ltd.                                              269,400

Midland Bank Plc                                                    13,503,100

Bankers Trust                                                        2,392,800

Barclays Bank                                                          759,000

Citibank London                                                      1,795,146


                                     Schedule B
                             
Nortrust Nominees                                                    8,970,061

Royal Bank of Scotland                                                  17,000

MSS Nominees Limited                                                    71,200

National Westminster Bank                                                5,600

Citibank NA                                                             84,000
Toronto

Deutsche Bank AG                                                        13,300

ROY Nominees Limited                                                    60,000

Mellon Nominees (UK) Limited                                           322,100

                                                TOTAL               58,704,107


                                  Schedule B

                       Capital International Limited

Registered Name                                                  Local Shares

State Street Nominees Limited                                       1,300,600

Bank of New York Nominees                                           4,454,376

Chase Nominees Limited                                             12,394,200

Midland Bank plc                                                      341,200

Bankers Trust                                                      15,977,200

Barclays Bank                                                         426,100

Citibank London                                                     1,003,900

Morgan Guaranty                                                     1,287,300

Nortrust Nominees                                                   7,193,516

Royal Bank of Scotland                                                 48,100

MSS Nominees Limited                                                  230,900

Lloyds Bank                                                            93,100

Vidacos Nominees Ltd.                                                 112,900

*New Account*                                                          24,300
Nominee information
Not Available

Citibank NA                                                            38,000
Toronto

Deutsche Bank AG                                                    1,245,100

HSBC Bank plc                                                         311,000


                              Schedule B

KAS UK                                                                139,896

Bank One London                                                       810,520

                                                 TOTAL             47,432,208


                                 Schedule B

                         Capital International S.A.

Registered Name                                                  Local Shares

State Street Nominees Limited                                         398,900

Bank of New York Nominees                                             227,000

Chase Nominees Limited                                              3,972,500

Credit Suisse London Branch                                            88,500

Midland Bank plc                                                    1,377,600

Barclays Bank                                                       1,394,000

Nortrust Nominees                                                      21,100

Morgan Stanley                                                         23,200

                                Schedule B

Royal Bank of Scotland                                              3,120,800

National Westminster Bank                                             225,400

Lloyds Bank                                                            68,500

Vidacos Nominees Ltd.                                                 277,000

RBSTB Nominees Ltd.                                                   156,700

Citibank NA                                                            57,000
 Toronto

Deutsche Bank AG                                                      362,000

HSBC Bank plc                                                          99,600

                                                 TOTAL             11,869,800

                                Schedule B

                        Capital International, Inc.

Registered Name                                                  Local Shares

Bank of New York Nominees                                              89,000

                                                TOTAL                  89,000


                               Schedule B