REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

PERCEPTIVE ADVISORS LLC's Holding History (CIK: 0001224962)

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

Q4 2020

Shares 55,175 Value ($000) $26,656 Avg Close $536.82 Range $468.18 - $616.55

Q3 2020

Shares 5,000 Value ($000) $2,799 Avg Close $602.99 Range $537.02 - $660.97

Q2 2020

Shares 15,000 Value ($000) $9,354 Avg Close $564.49 Range $473.82 - $642.77

Q1 2020

Shares 80,000 Value ($000) $39,063 Avg Close $410.21 Range $326.32 - $515.14

Q4 2017

Shares 20,000 Value ($000) $7,519 Avg Close $402.77 Range $351.19 - $474.37

Q2 2013

Shares 139,310 Value ($000) $31,328 Avg Close $231.58 Range $176.14 - $282.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	55,175	$26,656	$536.82	$468.18 - $616.55
Q3 2020	5,000	$2,799	$602.99	$537.02 - $660.97
Q2 2020	15,000	$9,354	$564.49	$473.82 - $642.77
Q1 2020	80,000	$39,063	$410.21	$326.32 - $515.14
Q4 2017	20,000	$7,519	$402.77	$351.19 - $474.37
Q2 2013	139,310	$31,328	$231.58	$176.14 - $282.42