KRONOS WORLDWIDE INC

Ticker: KRO CUSIP: 50105F105 Class: Common Stock

Robeco Institutional Asset Management B.V.'s Holding History (CIK: 0001418773)

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

Q1 2018

Shares 147,498 Value ($000) $3,333 Avg Close $16.36 Range $14.04 - $19.12

Q4 2017

Shares 147,498 Value ($000) $3,801 Avg Close $17.12 Range $14.92 - $19.24

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	147,498	$3,333	$16.36	$14.04 - $19.12
Q4 2017	147,498	$3,801	$17.12	$14.92 - $19.24