WEST PHARMACEUTICAL SVSC INC

Ticker: WST CUSIP: 955306105 Class: EQTY

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q4 2018

Shares 25,105 Value ($000) $2,461 Avg Close $106.26 Range $89.88 - $122.38

Q3 2018

Shares 43,755 Value ($000) $5,402 Avg Close $109.69 Range $94.87 - $121.81

Q3 2017

Shares 34,985 Value ($000) $3,368 Avg Close $87.99 Range $77.83 - $94.16

Q3 2016

Shares 149,985 Value ($000) $11,174 Avg Close $76.71 Range $68.84 - $81.50

Q2 2016

Shares 159,095 Value ($000) $12,072 Avg Close $70.21 Range $65.91 - $74.99

Q1 2016

Shares 188,100 Value ($000) $13,039 Avg Close $57.94 Range $51.90 - $67.04

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	25,105	$2,461	$106.26	$89.88 - $122.38
Q3 2018	43,755	$5,402	$109.69	$94.87 - $121.81
Q3 2017	34,985	$3,368	$87.99	$77.83 - $94.16
Q3 2016	149,985	$11,174	$76.71	$68.84 - $81.50
Q2 2016	159,095	$12,072	$70.21	$65.91 - $74.99
Q1 2016	188,100	$13,039	$57.94	$51.90 - $67.04