Holding(s) in Company

Zen Research PLC
18 March 2002



18 March 2002

Letter to: Company Announcements Office



ZEN RESEARCH PLC HOLDING IN COMPANY

Ord 5p shares

Zen Research plc was notified on 14 March 2002 that JP Morgan Securities
Limited, on behalf of JP Morgan Chase & Co and its subsidiaries, as at 14
January 2002, under part VI of the Companies Act 1985 had a notifiable interest
of 12.95% in the issued share capital of Zen Research plc as detailed below:


Company Name                                                                              No. of Shares


JP MORGAN FLEMING ASSET MANAGEMENT
(DISCRETIONARY INVESTMENT MANAGER)


Registered Holder:

CHASE NOMINEES LIMITED                                                                           705,096

Detil Euro Digital Fund                                                                        1,349,503
JPMF Balanced Fund                                                                               249,940
JPMF Premier Equity Income Fund                                                                  976,363
JPMF UK Dynamic Fund                                                                           2,092,148
JPMF UK Smaller Companies Fund                                                                 5,683,761
JPMFF Europe Technology Fund A/c 798                                                           5,480,468
The Fleming Smaller Companies Investment Trust plc                                             3,276,702
                                                                                              __________
                                                                                              19,813,981



CHASE FLEMING ASSET MANAGEMENT LIMITED
(DISCRETIONARY INVESTMENT MANAGER)


Registered Holder:


RBSTB NOMINEES LIMITED                                                                           157,563

                                                                                              __________
                                                                                                 157,563

JP MORGAN FLEMING FUND MANAGEMENT LIMITED
(LIFE INSURANCE & PENSIONS)


Registered Holder:


JPMF Institutional UK Smaller Companies Fund                                                   3,426,520

                                                                                              __________
                                                                                               3,426,520

                                                                                               __________
TOTAL INTEREST                                                                                23,398,064



ZEN RESEARCH PLC
Mark Way, Investor Relations
[phone]



END



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