RNS Number:1212R
Whatman PLC
21 October 2003

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES



1. Name of company


Whatman plc



2. Name of shareholder having a major interest


Schroder Investment Management Limited



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


Non-Beneficial



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


Schroder Unit Trusts Ltd. -  11,722,346
Schroder Investment Management North America Inc. - 2,410,994
HSBC Global Custody Nominee (UK) Ltd. - 367,363
BT Globenet Nominees Ltd. a/c:  6B - 575,000
British Coal Staff Superannuation a/c:  P - 4,323,084
Chase Nominees Limited - 550,946
Imperial Pensions Nominees Limited - 1,000,000
Mineworkers' Pension Scheme a/c:  R - 4,928,314
Morgan Nominees Limited a/c:  CCC - 89,000
Nortrust Nominees Ltd. - 650,000


5. Number of shares / amount of stock acquired


-



6. Percentage of issued class


-



7. Number of shares / amount of stock disposed


140,046



8. Percentage of issued class


0.11%



9. Class of security


Ordinary Shares of 1p each



10. Date of transaction


Not known



11. Date company informed


20th October 2003



12. Total holding following this notification


26,617,047



13. Total percentage holding of issued class following this notification


20.99%



14. Any additional information


-



15. Name of contact and telephone number for queries


John Simmonds - 01622 624272



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


John Simmonds - Company Secretary



Date of notification


21st October 2003



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