CATALYST PHARMACEUTICALS INC

Ticker: CPRX CUSIP: 14888U101 Class: Common Stock

GREAT POINT PARTNERS LLC's Holding History (CIK: 0001281446)

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

Q1 2018

Shares 2,695,742 Value ($000) $6,443,000 Avg Close $3.32 Range $2.36 - $4.08

Q4 2017

Shares 3,817,288 Value ($000) $14,926 Avg Close $3.30 Range $2.41 - $4.51

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	2,695,742	$6,443,000	$3.32	$2.36 - $4.08
Q4 2017	3,817,288	$14,926	$3.30	$2.41 - $4.51