[CANADIAN SOLAR INC. NOTICE OF ANNUAL AND SPECIAL MEETING OF SHAREHOLDERS th NOTICE IS HEREBY GIVEN that an annual and special meeting (the “Meeting”) of shareholders of Canadian Solar Inc. (the “Corporation”) will be held at Latham & Watkins LLP, 49th Floor, Jin Mao Tower, 88 Century Boulevard, Pudong, Shanghai 200121, People’s Republic of China, on Monday, September 20 (a)] [MANAGEMENT INFORMATION CIRCULAR INFORMATION INCORPORATED BY REFERENCE Circular Form 20-F Corporation Certain information contained in this management information circular (the “ VOTING INFORMATION Solicitation of Proxies Meeting Notice This Circular is furnished in connection with the solicitation of proxies by management of the Corporation for use at the annual and special meeting of shareholders of the Corporation (the “ The] [CANADIAN SOLAR INC. Form 6-K TABLE OF CONTENTS CANADIAN SOLAR INC. Shawn (Xiaohua) Qu Chairman, President and]

[Canadian Solar Reports 1Q10 Unaudited Financial Results The Company previously released its 4Q09 unaudited financial results in its press release dated March 3, 2010 and subsequently disclosed in its press release dated June 1, 2010 that it may revise such numbers. This release supersedes the March 3, 2010 release. The 4Q09 results disclosed herein are referred to as “revised” results.] [CANADIAN SOLAR INC. Form 6-K TABLE OF CONTENTS CANADIAN SOLAR INC. Shawn (Xiaohua) Qu Chairman, President and]

[Canadian Solar Receives NASDAQ Notice Related to Late Filing of Form 20-F Ontario, Canada, July 27, 2010 In accordance with NASDAQ Listing Rules, the Company has 60 calendar days from the date of the notice to submit a plan to regain compliance. If NASDAQ accepts the plan, NASDAQ may grant the Company an extension until December 27, 2010 to regain] [Form 6-K CANADIAN SOLAR INC. No. 199 Lushan Road þ o Form 20-F o o o þ Yes N/A 82- CANADIAN SOLAR INC. Form 6-K TABLE OF CONTENTS EX-99.1 CANADIAN SOLAR INC. Shawn (Xiaohua) Qu Chairman, President and 6-K 1 h04368e6vk.htm 6-K]

[Canadian Solar Updates 1Q10 Performance; Ontario, Canada, June 1, 2010 Preliminary First Quarter Operating Results The Company shipped an estimated 186.4 MW of modules during Q1 2010. 4Q09 and FY09 Revisions The Company may revise the 4Q09 net revenues numbers due to the company’s intention to recognize sales only after receiving full cash payments from certain customers and due to] [CANADIAN SOLAR INC. CANADIAN SOLAR INC. Shawn (Xiaohua) Qu Chairman, President and Chief Executive Officer 6-K 1 h04285e6vk.htm FORM 6-K]