CATALYST PHARMACEUTICALS INC

Ticker: CPRX CUSIP: 14888U101 Class: Common Stock

Employees Retirement System of Texas's Holding History (CIK: 0001398739)

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

Q1 2016

Shares 138,000 Value ($000) $161 Avg Close $1.55 Range $0.93 - $2.44

Q4 2015

Shares 138,000 Value ($000) $338 Avg Close $2.86 Range $2.27 - $3.55

Q3 2015

Shares 138,000 Value ($000) $414 Avg Close $4.32 Range $2.93 - $5.80

Q2 2015

Shares 138,000 Value ($000) $570 Avg Close $3.99 Range $2.71 - $4.87

Q1 2015

Shares 138,000 Value ($000) $598 Avg Close $3.60 Range $2.61 - $5.10

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2016	138,000	$161	$1.55	$0.93 - $2.44
Q4 2015	138,000	$338	$2.86	$2.27 - $3.55
Q3 2015	138,000	$414	$4.32	$2.93 - $5.80
Q2 2015	138,000	$570	$3.99	$2.71 - $4.87
Q1 2015	138,000	$598	$3.60	$2.61 - $5.10