CHUBB LIMITED

Ticker: CB CUSIP: H1467J104 Class: COM

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

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

Q2 2017

Shares 15,140 Value ($000) $2,201 Avg Close $120.85 Range $116.25 - $127.32

Q1 2017

Shares 15,140 Value ($000) $2,063 Avg Close $114.91 Range $108.60 - $120.05

Q4 2016

Shares 663,586 Value ($000) $87,673 Avg Close $108.37 Range $103.22 - $113.76

Q3 2016

Shares 523,306 Value ($000) $65,753 Avg Close $107.25 Range $103.68 - $110.69

Q2 2016

Shares 2,317 Value ($000) $303 Avg Close $103.60 Range $98.01 - $110.50

Q1 2016

Shares 2,829 Value ($000) $337 Avg Close $96.06 Range $89.25 - $102.38

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2017	15,140	$2,201	$120.85	$116.25 - $127.32
Q1 2017	15,140	$2,063	$114.91	$108.60 - $120.05
Q4 2016	663,586	$87,673	$108.37	$103.22 - $113.76
Q3 2016	523,306	$65,753	$107.25	$103.68 - $110.69
Q2 2016	2,317	$303	$103.60	$98.01 - $110.50
Q1 2016	2,829	$337	$96.06	$89.25 - $102.38