CANADIAN SOLAR INC

Ticker: CSIQ CUSIP: 136635109 Class: Foreign Stock

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q2 2015

Shares 51,603 Value ($000) $1,476 Avg Close $34.29 Range $27.60 - $40.08

Q1 2015

Shares 115,481 Value ($000) $3,856 Avg Close $27.59 Range $18.68 - $36.40

Q3 2014

Shares 57,080 Value ($000) $2,042 Avg Close $32.43 Range $23.20 - $41.12

Q2 2014

Shares 65,969 Value ($000) $2,062 Avg Close $26.97 Range $21.38 - $34.38

Q1 2014

Shares 59,640 Value ($000) $1,911 Avg Close $37.56 Range $29.52 - $44.50

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2015	51,603	$1,476	$34.29	$27.60 - $40.08
Q1 2015	115,481	$3,856	$27.59	$18.68 - $36.40
Q3 2014	57,080	$2,042	$32.43	$23.20 - $41.12
Q2 2014	65,969	$2,062	$26.97	$21.38 - $34.38
Q1 2014	59,640	$1,911	$37.56	$29.52 - $44.50