Holding(s) in Company

Electrocomponents PLC
22 September 2005



ELECTROCOMPONENTS PLC ('the Company')



NOTIFICATION OF SUBSTANTIAL SHAREHOLDER

The Company received notification on 22nd September 2005 (dated 21st September
2005) in accordance with the Companies Act that the Capital Group Companies Inc,
('CG'), a US based holding Company for several subsidiary companies, has a
notifiable interest in 19,057,693 Ordinary Sharers of 10p each in the Company,
which represents 4.379% of the total issued share Capital of the company.


Capital Group Companies, Inc. ('CG') holdings                                   Number of Shares             % held

Capital International Limited                                                          7,540,409              1.732
Capital International S.A.                                                               478,900              0.110
Capital International, Inc.                                                              127,089              0.029
Capital Research and Management Company                                               10,911,295              2.507

                                                                   TOTAL              19,057,693              4.379



SHARES ARE REGISTERED AS FOLLOWS:


Capital International Limited
Registered Name                                                                                             holding
State Street Nominees Limited                                                                               192,000
Bank of New York Nominees                                                                                 1,263,831
Northern Trust                                                                                            1,053,797
Chase Nominees Limited                                                                                    1,576,084
Midland Bank plc                                                                                             59,400
Bankers Trust                                                                                               130,200
Citibank London                                                                                             395,500
Morgan Guaranty                                                                                             174,900
Nortrust Nominees                                                                                         1,310,327
Royal Bank of Scotland                                                                                      169,700
State Street Bank & Trust Co.                                                                                84,600
Deutsche Bank AG                                                                                            462,800
HSBC Bank plc                                                                                               524,570
Mellon Bank N.A.                                                                                             38,300
KAS UK                                                                                                       38,300
Bank One London                                                                                              66,100
                                                                                           TOTAL          7,540,409


Capital International S.A.
Registered Name                                                                                             holding
Bank of New York Nominees                                                                                    29,400
Chase Nominees Limited                                                                                      384,300
Midland Bank plc                                                                                              6,600
Royal Bank of Scotland                                                                                       48,900
Lloyds Bank                                                                                                   9,700
                                                                                           TOTAL            478,900


Capital International, Inc.
Registered Name                                                                                             holding
Nortrust Nominees                                                                                            73,600
HSBC Bank plc                                                                                                53,489
                                                                                           TOTAL            127,089


Capital Research and Management Company
Registered Name                                                                                             holding
State Street Nominees Limited                                                                               384,500
Chase Nominees Limited                                                                                   10,526,795
                                                                                           TOTAL         10,911,295







CARMELINA CARFORA

Group Company Secretary

22nd September 2005


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