REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

Weiss Asset Management LP's Holding History (CIK: 0001357550)

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

Q1 2022

Shares 4,037 Value ($000) $2,820 Avg Close $629.16 Range $589.59 - $706.29

Q3 2018

Shares 571 Value ($000) $231 Avg Close $378.49 Range $340.69 - $414.19

Q4 2017

Shares 571 Value ($000) $215 Avg Close $402.77 Range $351.19 - $474.37

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2022	4,037	$2,820	$629.16	$589.59 - $706.29
Q3 2018	571	$231	$378.49	$340.69 - $414.19
Q4 2017	571	$215	$402.77	$351.19 - $474.37