CANADIAN SOLAR INC

Ticker: CSIQ CUSIP: 136635109 Class: Foreign Stock

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q1 2014

Shares 340,030 Value ($000) $10,895 Avg Close $37.56 Range $29.52 - $44.50

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2014	340,030	$10,895	$37.56	$29.52 - $44.50