DENTSPLY SIRONA INC

Ticker: XRAY CUSIP: 24906P109 Class: COM

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

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

Q3 2017

Shares 30,841 Value ($000) $1,845 Avg Close $59.45 Range $52.54 - $65.44

Q2 2017

Shares 30,841 Value ($000) $2,000 Avg Close $63.18 Range $61.02 - $65.68

Q1 2017

Shares 30,841 Value ($000) $1,926 Avg Close $60.19 Range $55.00 - $64.80

Q4 2016

Shares 926,724 Value ($000) $53,500 Avg Close $59.08 Range $55.01 - $62.92

Q3 2016

Shares 962,593 Value ($000) $57,207 Avg Close $61.44 Range $58.57 - $65.16

Q2 2016

Shares 1,664,694 Value ($000) $103,278 Avg Close $61.55 Range $58.84 - $65.83

Q1 2016

Shares 2,919,468 Value ($000) $179,927 Avg Close $58.93 Range $53.43 - $63.68

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2017	30,841	$1,845	$59.45	$52.54 - $65.44
Q2 2017	30,841	$2,000	$63.18	$61.02 - $65.68
Q1 2017	30,841	$1,926	$60.19	$55.00 - $64.80
Q4 2016	926,724	$53,500	$59.08	$55.01 - $62.92
Q3 2016	962,593	$57,207	$61.44	$58.57 - $65.16
Q2 2016	1,664,694	$103,278	$61.55	$58.84 - $65.83
Q1 2016	2,919,468	$179,927	$58.93	$53.43 - $63.68