RNS Number:1129R
Renishaw PLC
21 October 2003

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Name of company

Renishaw plc

2. Name of shareholder having a major interest

Capital Research and Management Company

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

Accounts held under discretionary investment management

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

State Street Nominees Ltd 2,670,396 shares

5. Number of shares / amount of stock acquired

Not notified

6. Percentage of issued class

Not notified

7. Number of shares / amount of stock disposed

Not applicable

8. Percentage of issued class

Not applicable

9. Class of security

Ordinary shares of 20p each

10. Date of transaction

Not notified

11. Date company informed

20th October 2003

12. Total holding following this notification

2,670,396

13. Total percentage holding of issued class following this notification

3.67%

14. Any additional information

Capital Research and Management Company is a subsidiary of The Capital Group
Companies Inc. The notification also contained information on 600,500 shares
(0.82%) held by Chase Nominees Ltd, Midland Bank plc and Nortrust Nominees on
behalf of Capital Guardian Trust Company, another subsidiary of The Capital
Group Companies, Inc.

15. Name of contact and telephone number for queries

Mike Ratford 01453 524447

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

A C G Roberts, Group Finance Director & Company Secretary

Date of notification
21st October 2003


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