Annual Financial Report

Proteome Sciences plc ("Company")

Posting of Report & Accounts

The Company announces that its Annual Report & Accounts for the year ended 31December 2010 has been posted to the Company's shareholders.

A copy of the Annual Report & Accounts for the year ended 31 December 2010 is available on the Company's website (http://www.proteomics.com/pages/news/3/Report_and_Accounts_FINAL_2010.pdf).

For further information please contact:

Proteome Sciences plc

www.proteomics.com Tel: +44 (0)1932 865065

Christopher Pearce, Chief Executive [email protected]

James Malthouse, Finance Director [email protected]

Ian Pike, Chief Operating Officer [email protected]

Nominated Adviser

Singer Capital Markets Limited

Shaun Dobson/Claes Spång Tel: +44 (0)20 3205 7500

Public Relations

Financial Dynamics IKON Associates

Ben Atwell/Mo Noonan Adrian Shaw

Tel: +44 (0)20 7269 7116 Tel: +44 (0)1483 535102

Fax: +44 (0)20 7405 8007 Mobile: +44 (0)7979 900733

Email: [email protected] Email: [email protected]