7.7Million share float...................................................... The following table sets forth certain information, as of March 20, 1998,
with respect to the beneficial ownership of the Company's Ordinary Shares by (i)
each shareholder known by the Company to be the beneficial owner of more than 5%
of the Company's Ordinary Shares, (ii) each director and nominee, (iii) each
Named Officer and (iv) all directors and executive officers as a group.
AMOUNT AND NATURE OF
BENEFICIAL OWNERSHIP
NAME OF BENEFICIAL OWNER (1) PERCENT OF CLASS
- ---------------------------------------------------- ---------------------- -----------------
RIT Capital Partners plc (2)........................ 2,032,897 16.8%
John R. Johnston (3) ...............................
Technology Venture Investors IV 1,452,349 12.0
Nicholas, Viscount Bearsted (4)..................... 774,758 6.2
Dr. Robert P. Lee (5)............................... 326,666 2.6
Richard M. Noling (6)............................... 242,190 2.0
George Buchan (7)................................... 113,519 *
William McCarthy (8)................................ 77,811 *
Stephen M. Ambler (9)............................... 21,937 *
Joseph A. Taglia (10)............................... 16,875 *
Albert E. Sisto (11)................................ 4,062 *
Paul L. Borrill (12)................................ 3,125 *
All directors and executive officers as a group (8
persons) (13)..................................... 2,628,812 20.4
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