Holding in Company

Zen Research PLC
3 October 2001



Letter to: Company Announcements Office

ZEN RESEARCH PLC HOLDING IN COMPANY

Ord 0.05p shares

Zen Research plc was notified by JP Morgan Securities on behalf of JPMF UK 
Smaller Companies Fund that, as at 7th September 2001, under part VI of the 
Companies Act 1985 the notifiable interest in the issued share capital of Zen 
Research plc held by the JPMF UK Smaller Companies Fund represents 3.18%.


Letter from:  Zen Research Plc



Letter to: Company Announcements Office

ZEN RESEARCH PLC HOLDING IN COMPANY

Ord 0.05p shares

Zen Research plc was notified that Prudential plc and certain of its subsidiary 
companies, as at 29 September 2001, under part VI of the Companies Act 1985 had 
a notifiable interest in the issued share capital of Zen Research plc as 
detailed below:

Company Name                        No. of Shares     % of issued share capital

Prudential plc                      5,428,078             3.00%
The Prudential Assurance Co Ltd     5,428,078             3.00%


Letter from:  Zen Research Plc