Announcement Oxford Glycosciences PLC For further information please contact: Oxford GlycoSciences Plc Stephen Parker, Chief Financial Officer Tel: +44 (0) 1235 208000 Website: www.ogs.com UK: Financial Dynamics Sarah Mehanna / Melanie Toyne Sewell Tel: +44 (0) 20 7831 3113 USA: Feinstein Kean Robert Gottlieb Tel: +1 (617) 577 8110 For Immediate Release OGS Announces Board Change Oxford, UK, 1 August 2002 -- Oxford GlycoSciences Plc (LSE: OGS, Nasdaq: OGSI) today announced that Don DeGolyer has resigned from the Company's Board of Directors with immediate effect, following OGS' decision to close its US Office in Bridgewater, New Jersey. The Board thanks Don for his contribution and wishes him well for the future. END