TRANXENOGEN INC. CHANGE OF INTERIM RESULTS ANNOUNCEMENT DATE TranXenoGen, Inc. will be announcing interim figures for the six months to June 2001 on Friday 7th September 2001. The presentation to analysts has been moved forward to 9.00am on that day at College Hill, 78 Cannon Street, London, EC4N 6HH. 31 August 2001 ENQUIRIES: College Hill Tel: 020 7457 2020 Nicholas Nelson Michael Padley