SITEONE LANDSCAPE SUPPLY INC

Ticker: SITE CUSIP: 82982L103 Class: COM

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q4 2016

Shares 424,716 Value ($000) $14,750 Avg Close $33.56 Range $26.60 - $37.00

Q3 2016

Shares 291,995 Value ($000) $10,491 Avg Close $37.77 Range $33.66 - $40.97

Q2 2016

Shares 268,490 Value ($000) $9,126 Avg Close $29.41 Range $25.49 - $35.29

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	424,716	$14,750	$33.56	$26.60 - $37.00
Q3 2016	291,995	$10,491	$37.77	$33.66 - $40.97
Q2 2016	268,490	$9,126	$29.41	$25.49 - $35.29