PROQR THRAPEUTICS N V

Ticker: PRQR CUSIP: N71542109 Class: SHS EURO

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

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

Q1 2015

Shares 69,067 Value ($000) $1,511 Avg Close $20.65 Range $15.80 - $27.60

Q4 2014

Shares 103,105 Value ($000) $2,234 Avg Close $15.18 Range $11.00 - $23.02

Q3 2014

Shares 100,000 Value ($000) $1,719 Avg Close $16.02 Range $14.12 - $21.87

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2015	69,067	$1,511	$20.65	$15.80 - $27.60
Q4 2014	103,105	$2,234	$15.18	$11.00 - $23.02
Q3 2014	100,000	$1,719	$16.02	$14.12 - $21.87