Whatman announces that with effect from 1 January 2005 it has adopted International Financial Reporting Standards (IFRS). The first set of results to be published under IFRS will be the Interim financial statements for the six months ended 30 June 2005. These will be released on 12 September 2005. The Group's first Annual Report in accordance with IFRS will be for the year ended 31 December 2005.