Correction : Doc re Interim Report

The following replaces the Document re. Interim Report announcement released today. The period ended should read 30th June 2005 and not 30th September as previously shown. All other details remain unchanged the full amended text appears below: Proteome Sciences plc announces that copies of the Interim Report for the period ended 30th June, 2005 (which was released to the Stock Exchange on 30th September, 2005) will be posted to shareholders on 12th October, 2005. A copy of this report can be viewed on the company website at www.proteomics.com