WASTE CONNECTIONS INC

Ticker: WCN CUSIP: 94106B101 Class: COM

Artisan Partners Limited Partnership's Holding History (CIK: 0001466153)

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

Q1 2018

Shares 2,006,975 Value ($000) $143,980 Avg Close $67.40 Range $61.60 - $70.76

Q4 2017

Shares 3,505,521 Value ($000) $248,682 Avg Close $66.07 Range $64.44 - $70.11

Q3 2017

Shares 4,298,964 Value ($000) $300,756 Avg Close $62.37 Range $59.55 - $66.82

Q2 2017

Shares 4,786,364 Value ($000) $308,338 Avg Close $58.56 Range $54.86 - $63.25

Q1 2017

Shares 4,363,949 Value ($000) $384,988 Avg Close $52.36 Range $49.07 - $55.54

Q4 2016

Shares 4,506,107 Value ($000) $354,135 Avg Close $47.42 Range $44.80 - $50.04

Q3 2016

Shares 4,805,907 Value ($000) $359,001 Avg Close $47.22 Range $44.46 - $49.80

Q2 2016

Shares 4,932,259 Value ($000) $355,369 Avg Close $42.53 Range $37.28 - $46.28

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	2,006,975	$143,980	$67.40	$61.60 - $70.76
Q4 2017	3,505,521	$248,682	$66.07	$64.44 - $70.11
Q3 2017	4,298,964	$300,756	$62.37	$59.55 - $66.82
Q2 2017	4,786,364	$308,338	$58.56	$54.86 - $63.25
Q1 2017	4,363,949	$384,988	$52.36	$49.07 - $55.54
Q4 2016	4,506,107	$354,135	$47.42	$44.80 - $50.04
Q3 2016	4,805,907	$359,001	$47.22	$44.46 - $49.80
Q2 2016	4,932,259	$355,369	$42.53	$37.28 - $46.28