Announcement Oxford Glycosciences PLC SCHEDULE 10 NOTIFICATION OF MAJOR INTERESTS IN SHARES 1) Name of company Oxford GlycoSciences Plc 2) Name of shareholder having a major interest OppenheimerFunds, Inc. 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 interest 4) Name of the registered holder(s) and, if more than one holder, the number of shares held by each of them Various Clients 5) Number of shares/amount of stock acquired Unknown 6) Percentage of issued class Unknown 7) Number of shares/amount of stock disposed N/A 8) Percentage of issued class N/A 9) Class of security Ordinary 5p shares 10) Date of transaction Unknown 11) Date company informed 12 August 2002 12) Total holding following this notification 3,492,554 13) Total percentage holding of issued class following this notification 6.27% 14) Any additional information N/A 15) Name of contact and telephone number for queries Richard Stephens 01235 208021 16) Name of authorised company official responsible for making this notification John Ilett, Company Secretary Date of notification 13 August 2002 END