CATALYST PHARMACEUTICALS INC

Ticker: CPRX CUSIP: 14888U101 Class: Common Stock

PERCEPTIVE ADVISORS LLC's Holding History (CIK: 0001224962)

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

Q1 2016

Shares 51,200 Value ($000) $60 Avg Close $1.55 Range $0.93 - $2.44

Q4 2015

Shares 851,200 Value ($000) $2,085 Avg Close $2.86 Range $2.27 - $3.55

Q3 2015

Shares 851,200 Value ($000) $2,554 Avg Close $4.32 Range $2.93 - $5.80

Q2 2015

Shares 851,200 Value ($000) $3,515 Avg Close $3.99 Range $2.71 - $4.87

Q1 2015

Shares 1,200,000 Value ($000) $5,196 Avg Close $3.60 Range $2.61 - $5.10

Q2 2014

Shares 1,500,000 Value ($000) $3,795 Avg Close $2.14 Range $1.70 - $2.69

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2016	51,200	$60	$1.55	$0.93 - $2.44
Q4 2015	851,200	$2,085	$2.86	$2.27 - $3.55
Q3 2015	851,200	$2,554	$4.32	$2.93 - $5.80
Q2 2015	851,200	$3,515	$3.99	$2.71 - $4.87
Q1 2015	1,200,000	$5,196	$3.60	$2.61 - $5.10
Q2 2014	1,500,000	$3,795	$2.14	$1.70 - $2.69