REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

EDMOND DE ROTHSCHILD HOLDING S.A.'s Holding History (CIK: 0001649647)

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

Q1 2016

Shares 704 Value ($000) $19 Avg Close $24.47 Range $20.07 - $28.85

Q4 2015

Shares 704 Value ($000) $20 Avg Close $28.84 Range $21.69 - $36.00

Q3 2015

Shares 704 Value ($000) $20 Avg Close $36.14 Range $27.25 - $42.22

Q2 2015

Shares 704 Value ($000) $29 Avg Close $36.64 Range $28.88 - $42.48

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2016	704	$19	$24.47	$20.07 - $28.85
Q4 2015	704	$20	$28.84	$21.69 - $36.00
Q3 2015	704	$20	$36.14	$27.25 - $42.22
Q2 2015	704	$29	$36.64	$28.88 - $42.48