LYONDELLBASELL INDUSTRIES N

Ticker: LYB CUSIP: N53745100 Class: SHS - A -

DF DENT & CO INC's Holding History (CIK: 0000934999)

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

Q4 2018

Shares 9,253 Value ($000) $769 Avg Close $57.98 Range $49.57 - $67.40

Q3 2018

Shares 9,265 Value ($000) $950 Avg Close $68.70 Range $62.65 - $73.08

Q2 2018

Shares 9,608 Value ($000) $1,055 Avg Close $68.36 Range $59.76 - $74.38

Q1 2018

Shares 9,830 Value ($000) $1,039 Avg Close $68.99 Range $63.29 - $75.06

Q4 2017

Shares 5,308 Value ($000) $586 Avg Close $63.47 Range $58.70 - $68.71

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	9,253	$769	$57.98	$49.57 - $67.40
Q3 2018	9,265	$950	$68.70	$62.65 - $73.08
Q2 2018	9,608	$1,055	$68.36	$59.76 - $74.38
Q1 2018	9,830	$1,039	$68.99	$63.29 - $75.06
Q4 2017	5,308	$586	$63.47	$58.70 - $68.71