[Canadian Solar Reports Fourth Quarter and Fiscal Year 2011 Financial Results ONTARIO, March 7, 2012 Fourth Quarter 2011 Highlights • Solar module shipments were 436 MW, an increase of 23% from 355 MW in the third quarter 2011. • Net revenue was $474.1 million, compared to $499.6 million in the third quarter 2011. • Gross margin was 8.7%, compared to] [Form 6-K TABLE OF CONTENTS 3 4]