Holding(s) in Company

Proteome Sciences PLC
11 July 2003



Proteome Sciences Plc ('the Company')

NOTIFICATION OF MAJOR INTERESTS IN SHARES

Disclosure Under Section 198 of the Companies Act

The Company received a notification from Lansdowne Partners Limited Partnership,
on behalf of client funds that it manages, informing it that they have an
interest in 3,586,206 ordinary shares, representing 3.02% of the ordinary issued
share capital of the Company

11 July, 2003




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