LEXICON PHARMACEUTICALS INC

Ticker: LXRX CUSIP: 528872302 Class: COM NEW

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

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

Q4 2016

Shares 39,922 Value ($000) $552 Avg Close $16.04 Range $13.71 - $19.50

Q3 2016

Shares 184,291 Value ($000) $3,330 Avg Close $16.09 Range $13.73 - $19.62

Q2 2016

Shares 75,000 Value ($000) $1,076 Avg Close $13.56 Range $11.52 - $15.17

Q3 2015

Shares 35,175 Value ($000) $378 Avg Close $10.92 Range $7.85 - $15.79

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	39,922	$552	$16.04	$13.71 - $19.50
Q3 2016	184,291	$3,330	$16.09	$13.73 - $19.62
Q2 2016	75,000	$1,076	$13.56	$11.52 - $15.17
Q3 2015	35,175	$378	$10.92	$7.85 - $15.79