REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

SIT INVESTMENT ASSOCIATES INC's Holding History (CIK: 0000769317)

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

Q2 2015

Shares 5,040 Value ($000) $2,571 Avg Close $485.93 Range $431.08 - $541.00

Q1 2015

Shares 5,140 Value ($000) $2,321 Avg Close $421.46 Range $390.83 - $492.77

Q4 2014

Shares 8,040 Value ($000) $3,298 Avg Close $391.09 Range $318.29 - $435.23

Q3 2014

Shares 8,340 Value ($000) $3,007 Avg Close $333.32 Range $283.49 - $367.27

Q2 2014

Shares 8,440 Value ($000) $2,384 Avg Close $294.74 Range $268.01 - $318.24

Q1 2014

Shares 8,450 Value ($000) $2,537 Avg Close $306.39 Range $261.52 - $350.55

Q4 2013

Shares 9,700 Value ($000) $2,670 Avg Close $286.03 Range $256.27 - $317.74

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2015	5,040	$2,571	$485.93	$431.08 - $541.00
Q1 2015	5,140	$2,321	$421.46	$390.83 - $492.77
Q4 2014	8,040	$3,298	$391.09	$318.29 - $435.23
Q3 2014	8,340	$3,007	$333.32	$283.49 - $367.27
Q2 2014	8,440	$2,384	$294.74	$268.01 - $318.24
Q1 2014	8,450	$2,537	$306.39	$261.52 - $350.55
Q4 2013	9,700	$2,670	$286.03	$256.27 - $317.74