REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

Washington Trust Bank's Holding History (CIK: 0000861787)

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

Q4 2017

Shares 2 Value ($000) $1 Avg Close $402.77 Range $351.19 - $474.37

Q4 2016

Shares 6 Value ($000) $2 Avg Close $378.17 Range $323.56 - $450.46

Q3 2016

Shares 12 Value ($000) $5 Avg Close $398.92 Range $346.51 - $441.54

Q3 2014

Shares 10 Value ($000) $4 Avg Close $333.32 Range $283.49 - $367.27

Q2 2014

Shares 10 Value ($000) $3 Avg Close $294.74 Range $268.01 - $318.24

Q1 2014

Shares 10 Value ($000) $3 Avg Close $306.39 Range $261.52 - $350.55

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	2	$1	$402.77	$351.19 - $474.37
Q4 2016	6	$2	$378.17	$323.56 - $450.46
Q3 2016	12	$5	$398.92	$346.51 - $441.54
Q3 2014	10	$4	$333.32	$283.49 - $367.27
Q2 2014	10	$3	$294.74	$268.01 - $318.24
Q1 2014	10	$3	$306.39	$261.52 - $350.55