LEXICON PHARMACEUTICALS INC

Ticker: LXRX CUSIP: 528872302 Class: COM NEW

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q2 2016

Shares 2,100 Value ($000) $30 Avg Close $13.56 Range $11.52 - $15.17

Q1 2016

Shares 5,900 Value ($000) $71 Avg Close $10.48 Range $7.65 - $13.45

Q4 2015

Shares 4,241 Value ($000) $56 Avg Close $12.29 Range $9.22 - $14.50

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2016	2,100	$30	$13.56	$11.52 - $15.17
Q1 2016	5,900	$71	$10.48	$7.65 - $13.45
Q4 2015	4,241	$56	$12.29	$9.22 - $14.50