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EXHIBIT A
AGREEMENT
JOINT FILING OF SCHEDULE 13G
The undersigned hereby agree to jointly prepare and file with the
regulatory authorities a Schedule 13G and any future amendments thereto
reporting each of the undersigned's ownership of securities of OraSure
Technologies, Inc. and hereby affirm that such Schedule 13G is being filed on
behalf of each of the undersigned.
Dated: October 4, 2000 HealthCare Ventures V, L.P.
Princeton, New Jersey by: its General Partner, HealthCare Partners
V, L.P.
By: s/ Jeffrey Steinberg
-----------------------------------------
Jeffrey Steinberg,
Administrative Partner
Dated: October 4, 2000 HealthCare Partners V, L.P.
Princeton, New Jersey
By: s/ Jeffrey Steinberg, Attorney-in-Fact
-----------------------------------------
Jeffrey Steinberg
Administrative Partner
Dated: October 4, 2000 s/ Jeffrey Steinberg, Attorney-in-Fact
Princeton, New Jersey --------------------------------------------
James H. Cavanaugh, Ph.D
Dated: October 4, 2000 s/ Jeffrey Steinberg, Attorney-in-Fact
Princeton, New Jersey --------------------------------------------
Harold R. Werner
Dated: October 4, 2000 s/ Jeffrey Steinberg, Attorney-in-Fact
Cambridge, Massachusetts --------------------------------------------
John W. Littlechild
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Dated: October 4, 2000 s/ Jeffrey Steinberg, Attorney-in-Fact
Princeton, New Jersey --------------------------------------------
William Crouse
Dated: October 4, 2000 s/ Jeffrey Steinberg, Attorney-in-Fact
Cambridge, Massachusetts --------------------------------------------
Christopher Mirabelli
Dated: October 4, 2000 s/ Jeffrey Steinberg, Attorney-in-Fact
Cambridge, Massachusetts --------------------------------------------
Augustine Lawlor
