REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

MARTINGALE ASSET MANAGEMENT L P's Holding History (CIK: 0000936944)

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

Q4 2021

Shares 4,070 Value ($000) $1,079 Avg Close $269.41 Range $243.29 - $306.98

Q3 2021

Shares 4,270 Value ($000) $1,235 Avg Close $256.54 Range $193.03 - $327.32

Q2 2021

Shares 2,600 Value ($000) $520 Avg Close $193.99 Range $162.29 - $223.03

Q1 2021

Shares 116,887 Value ($000) $22,726 Avg Close $205.03 Range $173.09 - $228.84

Q4 2020

Shares 110,717 Value ($000) $21,218 Avg Close $181.94 Range $146.52 - $212.55

Q3 2020

Shares 24,108 Value ($000) $3,558 Avg Close $142.94 Range $120.12 - $159.97

Q2 2020

Shares 23,106 Value ($000) $2,857 Avg Close $117.64 Range $92.00 - $143.93

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	4,070	$1,079	$269.41	$243.29 - $306.98
Q3 2021	4,270	$1,235	$256.54	$193.03 - $327.32
Q2 2021	2,600	$520	$193.99	$162.29 - $223.03
Q1 2021	116,887	$22,726	$205.03	$173.09 - $228.84
Q4 2020	110,717	$21,218	$181.94	$146.52 - $212.55
Q3 2020	24,108	$3,558	$142.94	$120.12 - $159.97
Q2 2020	23,106	$2,857	$117.64	$92.00 - $143.93