KRONOS WORLDWIDE INC

Ticker: KRO CUSIP: 50105F105 Class: Common Stock

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q4 2018

Shares 3,966 Value ($000) $46 Avg Close $9.07 Range $7.15 - $11.50

Q3 2018

Shares 3,638 Value ($000) $59 Avg Close $13.62 Range $10.78 - $15.61

Q2 2018

Shares 2,374 Value ($000) $53 Avg Close $15.79 Range $13.18 - $17.15

Q1 2018

Shares 50,171 Value ($000) $1,134 Avg Close $16.36 Range $14.04 - $19.12

Q4 2017

Shares 5,503 Value ($000) $142 Avg Close $17.12 Range $14.92 - $19.24

Q2 2014

Shares 611 Value ($000) $10 Avg Close $8.24 Range $7.44 - $9.08

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	3,966	$46	$9.07	$7.15 - $11.50
Q3 2018	3,638	$59	$13.62	$10.78 - $15.61
Q2 2018	2,374	$53	$15.79	$13.18 - $17.15
Q1 2018	50,171	$1,134	$16.36	$14.04 - $19.12
Q4 2017	5,503	$142	$17.12	$14.92 - $19.24
Q2 2014	611	$10	$8.24	$7.44 - $9.08