REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

Lombard Odier Asset Management (USA) Corp's Holding History (CIK: 0001491719)

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

Q3 2017

Shares 100,000 Value ($000) $3,832 Avg Close $41.91 Range $35.73 - $46.12

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2017	100,000	$3,832	$41.91	$35.73 - $46.12