---------------------- ------------ ------------------------ ------------------ Shares Total Underlying Exercise Exercise Holder Option/Warrant Price Expiration Price as of
EXHIBIT C
Existing Options and Warrants
------------------------------------ ---------------------- ------------ ------------------------ ------------------
Shares Total
Underlying Exercise Exercise
Holder Option/Warrant Price Expiration Price as of
6/30/98
▇▇▇▇▇▇▇▇▇ Management, Inc. ("KMI")
100,000(1) (2) December 31, 2000 $270,000
KMI 300,000(3) $2.15 March 5, 2000 645,000
-------
915,000
Institutional Venture Partners VI
Limited Partnership ("IVPP")
20,143(1) (2) December 31, 2000 54,386.10
IVPP 60,429(3) $2.15 March 5, 2000 129,922.35
IVPP 139,906(4) $2.15 December 11, 2002 300,797.90
----------
485,106.35
IVP Founders Fund I ("IVP-FF")
857(1) (2) December 31, 2000 2,313.90
IVP-FF 2,571(3) $2.15 March 5, 2000 5,527.65
IVP-FF 5,953(4) $2.15 December 11, 2002 12,798.95
---------
20,640.50
Institutional Venture Management
VI ("IVM") 429(1) (2) December 31, 2000 1,158.30
IVM 1,286(3) $2.15 March 5, 2000 2,764.90
IVM 2,976(4) $2.15 December 11, 2002 6,398.40
--------
10,321.60
▇▇▇▇▇▇▇ Healthcare II, L.P.
("▇▇▇▇▇▇▇") 16,071(1) (2) December 31, 2000 43,391.70
▇▇▇▇▇▇▇ 48,214(3) $2.15 March 5, 2000 103,660.10
▇▇▇▇▇▇▇ 111,627(4) $2.15 December 11, 2002 239,998.05
---------- ----------
387,049.85
Total 910,462 $1,818,118.30
======= =============
(1) Options issued pursuant to Section 6.6(c) of Convertible Note.
(2) $2.70 per share from 6/1/98 - 12/31/98; $3.15 per share from 1/1/99 - 12/31/99; $3.75 per share from
1/1/2000 - 12/31/2000.
(3) Options issued pursuant to Section 6.6(d) of Convertible Note.
(4) Warrants issued on December 11, 1997 as part of loan financing which was converted on May 29, 1998.
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