REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

Redmile Group, LLC's Holding History (CIK: 0001425738)

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

Q4 2018

Shares 6,020 Value ($000) $317 Avg Close $58.65 Range $48.26 - $70.50

Q3 2018

Shares 20,000 Value ($000) $1,109 Avg Close $51.54 Range $45.00 - $58.99

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	6,020	$317	$58.65	$48.26 - $70.50
Q3 2018	20,000	$1,109	$51.54	$45.00 - $58.99