CATALYST PHARMACEUTICALS INC

Ticker: CPRX CUSIP: 14888U101 Class: Common Stock

HIGHBRIDGE CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000919185)

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

Q4 2015

Shares 145,877 Value ($000) $358 Avg Close $2.86 Range $2.27 - $3.55

Q3 2015

Shares 45,510 Value ($000) $137 Avg Close $4.32 Range $2.93 - $5.80

Q1 2015

Shares 14,728 Value ($000) $64 Avg Close $3.60 Range $2.61 - $5.10

Q4 2014

Shares 48,763 Value ($000) $145 Avg Close $2.74 Range $2.26 - $3.29

Q3 2014

Shares 20,998 Value ($000) $70 Avg Close $2.61 Range $2.13 - $3.49

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2015	145,877	$358	$2.86	$2.27 - $3.55
Q3 2015	45,510	$137	$4.32	$2.93 - $5.80
Q1 2015	14,728	$64	$3.60	$2.61 - $5.10
Q4 2014	48,763	$145	$2.74	$2.26 - $3.29
Q3 2014	20,998	$70	$2.61	$2.13 - $3.49