Holding(s) in Company

RWS Holdings PLC
22 March 2007

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES



1. Name of listed company



...RWS Holdings plc



2. Name of shareholder having a major interest



... BlackRock Investment Management (UK) Limited



3. Please state whether notification indicates that it is regarding the holding
of the shareholder named in 2 above; in respect of a nonbeneficial 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



...Notification is in respect of the shareholder named in 2 above



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



...Not disclosed



5. Number of shares / amount of stock acquired



...Not disclosed



6 Percentage of issued class (any treasury shares held by the listed company
should not be taken into account when calculating percentage)



...Not disclosed



7. Number of shares / amount of stock disposed



...Not disclosed



8 Percentage of issued class (any treasury shares held by the listed company
should not be taken into account when calculating percentage)



...Not disclosed



9. Class of security



...Ordinary shares of 5 pence each



10. Date of transaction



...20 March 2007



11. Date listed company informed



...21 March 2007



12. Total holding following this notification



...3,981,286



13. Total percentage holding of issued class following this notification (any
treasury shares held by the listed company should not be taken into account when
calculating percentage)



...9.93%



14. Any additional information



...Based on 40,066,049 ordinary shares in issue



15. Name of contact and telephone number for queries



...Mike McCarthy   01753 480200



16. Name and signature of duly authorised officer of the listed company
responsible for making this notification



...Mike McCarthy    Finance Director



Date of notification



...22 March 2007


                      This information is provided by RNS
            The company news service from the London Stock Exchange