ORASURE TECHNOLOGIES INC

Ticker: OSUR CUSIP: 68554V108 Class: Common Stock

K2 PRINCIPAL FUND, L.P.'s Holding History (CIK: 0001461790)

Note: Option positions (PUT/CALL) are excluded.

Q4 2017

Shares 49,248 Value ($000) $929 Avg Close $18.11 Range $12.86 - $23.01

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	49,248	$929	$18.11	$12.86 - $23.01