Holding(s) in Company

Rotork PLC
16 August 2007


For filings with the FSA include the annex
For filings with issuer exclude the annex


TR-1: Notifications of Major Interests in Shares


1. Identity of the issuer or the underlying issuer of existing shares to which
voting rights are attached:

Rotork plc.................



2. Reason for the notification

(please place an X inside the appropriate bracket/s):



An acquisition or disposal of voting rights: (   )



An acquisition or disposal of financial instruments which may result in the
acquisition of shares already issued to which voting rights are attached: (   )



An event changing the breakdown of voting rights: (   )



Other (please specify) : A subsidary of Prudential plc no longer has a
notifiable interest

.................



3. Full name of person(s) subject to notification obligation:

Prudential plc group of companies.................



4. Full name of shareholder(s) (if different from 3) :

Prudential plc  -  2,836,767
PRUCLT HSBC GIS NOM(UK) PAC AC - 2,801,767
PRUCLT HSBC GIS  NOM(UK) PPL AC - 23,000
PRUDENTIAL HOLBORN PENSIONS LD - 12,000

The Prudential Assurance Company Limited - 2,824,767
PRUCLT HSBC GIS NOM(UK) PAC AC - 2,801,767
PRUCLT HSBC GIS NOM(UK) PPL AC - 23,000





5. Date of transaction (and date on which the threshold is crossed or reached if
different):



13 August 2007



6. Date on which issuer notified:



15 August 2007



7. Threshold(s) that is/are crossed or reached:

See Item 13

8. Notified Details:



A: Voting rights attached to shares


Class/type of shares if possible              Situation previous to the triggering transaction
use ISIN CODE
                                  Number of shares                   Number of voting rights

GB0007506958                      4,362,058                          4,362,058





                                                 Resulting situation after the triggering transaction
Class/type of shares if       Number of shares          Number of voting rights               % of voting rights
possible use ISIN CODE
                                                        Direct         Indirect               Direct       Indirect

                                                        2,836,767                             3.28%




B: Financial Instruments

Resulting situation after the triggering transaction


Type of         Expiration date      Exercise/conversion       No. of voting rights that   % of voting rights
financial                            period/date               may be acquired (if the
instrument                                                     instrument exercised/
                N/A                                            converted)
N/A                                  N/A                                                   N/A


                                                               N/A





Total (A+B)
Number of voting rights        % of voting rights


2,836,767                      3.28%



9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable :

Prudential plc (parent Company)

The Prudential Assurance company Limited (wholly owned subsidiary of Prudential
plc)



Proxy Voting:



10. Name of proxy holder:

N/A



11. Number of voting rights proxy holder will cease to hold:

N/A



12. Date on which proxy holder will cease to hold voting rights:

N/A



13. Additional information:

M&G Group Limited (wholly owned subsidiary of Prudential plc), M&G Limited
(wholley owned subsidiary of M&G Group Limited), and M&G Investment Management
Limited (wholly owned subsidiary of M&G Limited) no longer have a notifiable
interest - now 'below 5%'



14. Contact name:

Stephen R. Jones



15. Contact telephone number:

01225-733331



For notes on how to complete form TR-1 please see the FSA website.







Note: Annex should only be submitted to the FSA not the issuer





Annex: Notification of major interests in shares



A: Identity of the persons or legal entity subject to the notification
obligation



Full name (including legal form of legal entities):

Rotork p.l.c.



Contact address (registered office for legal entities):

Rotork House
Brassmill Lane
Bath BA1 3JQ

.................



Phone number & email:

01225-733200



Other useful information (at least legal representative for legal persons):

N/A.................



B: Identity of the notifier, if applicable



Full name:

.................



Contact address:

.................



Phone number & email:

.................



Other useful information (e.g. functional relationship with the person or legal
entity subject to the notification obligation):

.................



C: Additional information :

.................




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