ZOETIS INC

Ticker: ZTS CUSIP: 98978V103 Class: CL A

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

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

Q2 2018

Shares 434,705 Value ($000) $37,033 Avg Close $79.49 Range $72.53 - $84.07

Q1 2018

Shares 437,560 Value ($000) $36,541 Avg Close $74.07 Range $66.03 - $80.63

Q1 2016

Shares 764,321 Value ($000) $33,882 Avg Close $39.31 Range $35.45 - $44.70

Q4 2015

Shares 451,510 Value ($000) $21,636 Avg Close $41.75 Range $36.48 - $44.98

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	434,705	$37,033	$79.49	$72.53 - $84.07
Q1 2018	437,560	$36,541	$74.07	$66.03 - $80.63
Q1 2016	764,321	$33,882	$39.31	$35.45 - $44.70
Q4 2015	451,510	$21,636	$41.75	$36.48 - $44.98