Holding(s) in Company

Electrocomponents PLC
18 August 2005

ELECTROCOMPONENTS PLC ('the Company')

NOTIFICATION OF SUBSTANTIAL SHAREHOLDER

The Company received notification on 17th August 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
13,322,531 Ordinary Sharers of 10p each in the Company, which represents 3.061%
of the total issued share Capital of the company.


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

Capital International Limited                                                      7,901,431            1.815
Capital International S.A.                                                           504,200            0.116
Capital International, Inc.                                                          127,089            0.029
Capital Research and Management Company                                            4,789,811            1.100

                                                                  TOTAL           13,322,531            3.061

SHARES ARE REGISTERED AS FOLLOWS:

Capital International Limited
Registered Name                                                                                        holding
State Street Nominees Limited                                                                          192,000
Bank of New York Nominees                                                                            1,368,053

Northern Trust                                                                                       1,053,797
Chase Nominees Limited                                                                               1,603,084
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                                                                                       692,600
HSBC Bank plc                                                                                          524,570
Mellon Bank N.A.                                                                                        38,300
KAS UK                                                                                                  38,300
Bank One London                                                                                         66,100
                                                                                        TOTAL        7,901,431


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                                                                                             35,000
                                                                                        TOTAL          504,200


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
Chase Nominees Limited                                                                               4,789,811
                                                                                        TOTAL        4,789,811


CARMELINA CARFORA
Group Company Secretary
18th August 2005




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