REGENERON PHARMACEUTICALS

Ticker: REGN CUSIP: 75886F107 Class: COM

AXIOM INVESTORS LLC /DE's Holding History (CIK: 0001109147)

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

Q4 2015

Shares 77,772 Value ($000) $42,220 Avg Close $538.82 Range $445.63 - $589.32

Q3 2015

Shares 101,915 Value ($000) $47,405 Avg Close $534.07 Range $433.12 - $602.59

Q2 2015

Shares 101,950 Value ($000) $52,008 Avg Close $485.93 Range $431.08 - $541.00

Q1 2015

Shares 114,173 Value ($000) $51,547 Avg Close $421.46 Range $390.83 - $492.77

Q4 2014

Shares 121,610 Value ($000) $49,891 Avg Close $391.09 Range $318.29 - $435.23

Q3 2014

Shares 131,985 Value ($000) $47,583 Avg Close $333.32 Range $283.49 - $367.27

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2015	77,772	$42,220	$538.82	$445.63 - $589.32
Q3 2015	101,915	$47,405	$534.07	$433.12 - $602.59
Q2 2015	101,950	$52,008	$485.93	$431.08 - $541.00
Q1 2015	114,173	$51,547	$421.46	$390.83 - $492.77
Q4 2014	121,610	$49,891	$391.09	$318.29 - $435.23
Q3 2014	131,985	$47,583	$333.32	$283.49 - $367.27