CANADIAN SOLAR INC

Ticker: CSIQ CUSIP: 136635109 Class: Foreign Stock

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

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

Q4 2016

Shares 11,400 Value ($000) $139 Avg Close $13.06 Range $10.25 - $15.95

Q3 2016

Shares 14,350 Value ($000) $197 Avg Close $13.76 Range $11.72 - $16.16

Q2 2016

Shares 12,150 Value ($000) $184 Avg Close $17.32 Range $13.56 - $19.65

Q1 2015

Shares 6,100 Value ($000) $204 Avg Close $27.59 Range $18.68 - $36.40

Q4 2014

Shares 8,750 Value ($000) $212 Avg Close $27.20 Range $20.64 - $35.79

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	11,400	$139	$13.06	$10.25 - $15.95
Q3 2016	14,350	$197	$13.76	$11.72 - $16.16
Q2 2016	12,150	$184	$17.32	$13.56 - $19.65
Q1 2015	6,100	$204	$27.59	$18.68 - $36.40
Q4 2014	8,750	$212	$27.20	$20.64 - $35.79