PROQR THRAPEUTICS N V

Ticker: PRQR CUSIP: N71542109 Class: SHS EURO

LORD, ABBETT & CO. LLC's Holding History (CIK: 0000728100)

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

Q1 2015

Shares 134,858 Value ($000) $2,951 Avg Close $20.65 Range $15.80 - $27.60

Q4 2014

Shares 152,924 Value ($000) $3,314 Avg Close $15.18 Range $11.00 - $23.02

Q3 2014

Shares 151,844 Value ($000) $2,610 Avg Close $16.02 Range $14.12 - $21.87

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2015	134,858	$2,951	$20.65	$15.80 - $27.60
Q4 2014	152,924	$3,314	$15.18	$11.00 - $23.02
Q3 2014	151,844	$2,610	$16.02	$14.12 - $21.87