Holding(s) in Company

Rotork PLC
04 June 2004


                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES



1. Name of company


Rotork p.l.c.



2. Name of shareholder having a major interest


Prudential p.l.c.



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


Beneficial



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


MGIM A/C JPM A/C RU                                           1,272,802

PRUCLT HSBC GIS NOM(UK) PAC AC                                2,997,373

PRUCLT HSBC GIS NOM(UK) PPL AC                                   28,000

PRUDENTIAL HOLBORN PENSIONS LD                                    8,000


5. Number of shares / amount of stock acquired


Information not notified to company



6. Percentage of issued class


N/A



7. Number of shares / amount of stock disposed


N/A



8. Percentage of issued class


N/A



9. Class of security


5p ordinary shares



10. Date of transaction


Information not supplied to company






11. Date company informed


3 June 2004 (by fax)



12. Total holding following this notification


4,306,175



13. Total percentage holding of issued class following this notification


5.02%



14. Any additional information


N/A



15. Name of contact and telephone number for queries


Mr Stephen Rhys Jones, Tel:  [phone]



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


See 15. above



Date of notification


4 June 2004



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