[Canadian Solar Signs C$93 million Loan Agreement with China Development Bank ONTARIO, Canada, August 13, 2012 — Canadian Solar Inc. (the “Company”, or “Canadian Solar”) (NASDAQ: CSIQ), one of the world’s largest solar power companies, today announced that it has signed a C$93 million (US$93.8 million) loan agreement with China Development Bank. The loan facility has a five-year maturity and] [FORM 6-K CANADIAN SOLAR INC. No. 199 Lushan Road Suzhou New District Suzhou, Jiangsu 215129 People’s Republic of China Form 20-F x Form 40-F o o o CANADIAN SOLAR INC. Form 6-K TABLE OF CON]

[Canadian Solar Updates Second Quarter 2012 Guidance, Announces Conference Call to Discuss Second Quarter Results ONTARIO, Canada, July 31, 2012 — Canadian Solar Inc. (the “Company” or “Canadian Solar”) (NASDAQ: CSIQ), one of the world’s largest solar companies, today updated its guidance for the second quarter ended June 30, 2012. The updated guidance is subject to adjustments based upon completion] [FORM 6-K CANADIAN SOLAR INC. No. 199 Lushan Road Suzhou New District Suzhou, Jiangsu 215129 People’s Republic of China Form 20-F x Form 40-F o o o CANADIAN SOLAR INC. Form 6-K TABLE 2]

[Canadian Solar and SkyPower Close Landmark Purchase Transaction GUELPH and TORONTO, Ontario, June 21, 2012 — Canadian Solar Inc. (the “Company”, or “Canadian Solar”) (NASDAQ: CSIQ) and SkyPower Global (“SkyPower”) today announced the close of their landmark purchase transaction, under which Canadian Solar has acquired a majority interest in 16 solar projects representing approximately 190-200MW DC from SkyPower. The companies] [FORM 6-K CANADIAN SOLAR INC. No. 199 Lushan Road Suzhou New District Suzhou, Jiangsu 215129 People’s Republic of China Form 20-F x Form 40-F o o o CANADIAN SOLAR INC. Form 6-K TABLE OF CONTENTS]

[Canadian Solar Inc. Announces Results of 2012 Annual Meeting of Shareholders ONTARIO, Canada, June 13, 2012 , — Canadian Solar Inc. (the “Company”, or “Canadian Solar”) (NASDAQ: CSIQ) 1. The election of Mr. Shawn (Xiaohua) Qu as a director of the Company; 2. The election of Mr. Michael G. Potter as a director of the Company; 3. The election of] [FORM 6-K CANADIAN SOLAR INC. No. 199 Lushan Road Suzhou New District Suzhou, Jiangsu 215129 People’s Republic of China Form 20-F x Form 40-F o o o CANADIAN SOLAR INC. Form 6-K TABLE OF CONTENTS]

[CANADIAN SOLAR INC. 130 King Street West, Suite 1600, The Exchange Tower Toronto, Canada M5X 1J5 NOTICE OF ANNUAL MEETING OF SHAREHOLDERS NOTICE IS HEREBY GIVEN that an annual meeting (the “Meeting”) of shareholders of Canadian Solar Inc. (the “Corporation”) will be held at Kirkland & Ellis International LLP, 11th Floor, HSBC Building, Shanghai IFC, 8 Century Avenue, Pudong New] [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 meeting of shareholders of the Corporation (the “ The solicitation of] [FORM 6-K CANADIAN SOLAR INC. No. 199 Lushan Road Suzhou New District Suzhou, Jiangsu 215129 People’s Republic of China Form 20-F x Form 40-F o o o CANADIAN SOLAR INC. Form 6-K TABLE OF CONT]