REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

GUARDIAN CAPITAL LP's Holding History (CIK: 0001224324)

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

Q1 2019

Shares 1,087 Value ($000) $446 Avg Close $409.51 Range $363.99 - $439.56

Q4 2018

Shares 1,447 Value ($000) $540 Avg Close $364.00 Range $325.77 - $407.74

Q3 2018

Shares 1,447 Value ($000) $585 Avg Close $378.49 Range $340.69 - $414.19

Q2 2018

Shares 1,291 Value ($000) $445 Avg Close $311.03 Range $280.34 - $347.31

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	1,087	$446	$409.51	$363.99 - $439.56
Q4 2018	1,447	$540	$364.00	$325.77 - $407.74
Q3 2018	1,447	$585	$378.49	$340.69 - $414.19
Q2 2018	1,291	$445	$311.03	$280.34 - $347.31