Holding(s) in Company

Electrocomponents PLC
27 September 2005



ELECTROCOMPONENTS PLC ('the Company')



NOTIFICATION OF SUBSTANTIAL SHAREHOLDER

The Company received notification on 26th September 2005 (dated 23rd September
2005) in accordance with section 198 of the Companies Act from Capital Group
Companies Inc, ('CG'), a US based holding Company on behalf of its affiliates,
Capital International Limited, Capital International S.A., Capital
International, Inc. and Capital Research and Management Company. The
notification states that the notifiable interest held by these affiliates has
increased to 21,699,037 Ordinary Shares of 10p each in the Company, which
represents 4.99% of the total issued share Capital of the Company. The shares
are held as follows:


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                                               13,552,639              3.114

                                                                   TOTAL              21,699,037               4.99






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                                                                               550,439
Chase Nominees Limited                                                                                   13,002,200
                                                                                           TOTAL         13,552,639





CARMELINA CARFORA

Group Company Secretary

27th September 2005


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