WASTE CONNECTIONS INC

Ticker: WCN CUSIP: 94106B101 Class: COM

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q3 2019

Shares 2,878 Value ($000) $265 Avg Close $88.46 Range $84.08 - $93.61

Q2 2019

Shares 5,885 Value ($000) $562 Avg Close $88.03 Range $81.55 - $91.90

Q1 2019

Shares 6,204 Value ($000) $550 Avg Close $78.56 Range $69.59 - $85.10

Q4 2018

Shares 5,904 Value ($000) $438 Avg Close $72.43 Range $66.93 - $76.54

Q3 2018

Shares 14,448 Value ($000) $1,153 Avg Close $74.62 Range $70.27 - $77.32

Q2 2018

Shares 16,861 Value ($000) $1,269 Avg Close $70.99 Range $67.32 - $74.59

Q1 2018

Shares 14,074 Value ($000) $1,010 Avg Close $67.40 Range $61.60 - $70.76

Q4 2017

Shares 17,715 Value ($000) $1,257 Avg Close $66.07 Range $64.44 - $70.11

Q3 2017

Shares 35,291 Value ($000) $2,469 Avg Close $62.37 Range $59.55 - $66.82

Q2 2017

Shares 33,576 Value ($000) $2,163 Avg Close $58.56 Range $54.86 - $63.25

Q1 2017

Shares 19,677 Value ($000) $1,736 Avg Close $52.36 Range $49.07 - $55.54

Q4 2016

Shares 15,841 Value ($000) $1,245 Avg Close $47.42 Range $44.80 - $50.04

Q3 2016

Shares 10,551 Value ($000) $788 Avg Close $47.22 Range $44.46 - $49.80

Q2 2016

Shares 10,959 Value ($000) $790 Avg Close $42.53 Range $37.28 - $46.28

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	2,878	$265	$88.46	$84.08 - $93.61
Q2 2019	5,885	$562	$88.03	$81.55 - $91.90
Q1 2019	6,204	$550	$78.56	$69.59 - $85.10
Q4 2018	5,904	$438	$72.43	$66.93 - $76.54
Q3 2018	14,448	$1,153	$74.62	$70.27 - $77.32
Q2 2018	16,861	$1,269	$70.99	$67.32 - $74.59
Q1 2018	14,074	$1,010	$67.40	$61.60 - $70.76
Q4 2017	17,715	$1,257	$66.07	$64.44 - $70.11
Q3 2017	35,291	$2,469	$62.37	$59.55 - $66.82
Q2 2017	33,576	$2,163	$58.56	$54.86 - $63.25
Q1 2017	19,677	$1,736	$52.36	$49.07 - $55.54
Q4 2016	15,841	$1,245	$47.42	$44.80 - $50.04
Q3 2016	10,551	$788	$47.22	$44.46 - $49.80
Q2 2016	10,959	$790	$42.53	$37.28 - $46.28