ORASURE TECHNOLOGIES INC

Ticker: OSUR CUSIP: 68554V108 Class: Common Stock

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q3 2017

Shares 304,798 Value ($000) $6,858 Avg Close $20.12 Range $17.06 - $22.79

Q2 2017

Shares 388,225 Value ($000) $6,701 Avg Close $14.40 Range $12.03 - $17.96

Q4 2014

Shares 597,051 Value ($000) $6,054 Avg Close $8.96 Range $6.93 - $10.93

Q3 2014

Shares 335,805 Value ($000) $2,425 Avg Close $8.00 Range $7.06 - $8.94

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2017	304,798	$6,858	$20.12	$17.06 - $22.79
Q2 2017	388,225	$6,701	$14.40	$12.03 - $17.96
Q4 2014	597,051	$6,054	$8.96	$6.93 - $10.93
Q3 2014	335,805	$2,425	$8.00	$7.06 - $8.94