Appointment of Joint Broker

Proteome Sciences plc

("Proteome Sciences" or the "Company")

Appointment of joint broker

Proteome Sciences is pleased to announce the appointment of finnCap as joint broker with immediate effect.

For further information please contact:

Proteome Sciences plc

Christopher Pearce, Chief Executive Officer Tel: +44 (0)1932 865065

Dr. Ian Pike, Chief Operating Officer

James Malthouse, Finance Director

Cenkos - Nominated Adviser

Stephen Keys/Callum Davidson Tel: +44 (0)20 7397 8900

finnCap - Joint Broker

Geoff Nash/James Thompson (Corporate Finance) Tel: +44 (0)20 7220 0500

Tony Quirke (Broking)

IKON Associates - Public Relations

Adrian Shaw Tel: +44 (0)1483 271291