Appendix 1

Major Subsidiaries of CSI

The following table sets forth information concerning CSI's major subsidiaries:

Subsidiary	Place and date of Incorporation		Attributable Equity Interest Held		Principal Activity
CSI Solartronics (Changshu) Co., Ltd.		PRC November 23, 2001		100%	Developing solar power project
CSI Solar Technologies Inc.		PRC August 8, 2003		100%	Research and developing solar modules
CSI New Energy Holding Co., Ltd.		PRC January 7, 2005		100%	Investment holding
Canadian Solar Manufacturing (Luoyang) Inc.		PRC February 24, 2006		100%	Manufacture of solar modules, ingots and wafers
Canadian Solar Manufacturing (Changshu) Inc.		PRC August 1, 2006		100%	Production of solar modules
CSI Cells Co., Ltd.		PRC August 23, 2006		100%	Manufacture of solar cells
Canadian Solar (USA) Inc.		USA June 8, 2007		100%	Sales and marketing of modules
CSI Project Consulting GmbH		Germany May 26, 2009		70%	Developing solar power project
Canadian Solar Japan K.K.		Japan June 21, 2009		100%	Sales and marketing of modules
Canadian Solar Solutions Inc.		Canada June 22, 2009		100%	Developing solar power project and manufacture of solar modules
CSI Solar Power (China) Inc.		PRC July 7, 2009		100%	Investment holding
Canadian Solar EMEA GmbH		Germany August 21, 2009		100%	Sales and marketing of modules
Canadian Solar (Australia) Pty Limited		Australia February 3, 2011		100%	Developing solar power project, sales and marketing of modules
Canadian Solar International Limited		Hong Kong March 25, 2011		100%	Sales and marketing of modules
Canadian Solar O and M (Ontario) Inc.		Canada May 10, 2011		100%	Solar farm operating and maintenance service
Suzhou Sanysolar Materials Technology Co., Ltd.		PRC August 17, 2011		80%	Production of solar module materials
Canadian Solar South East Asia Pte. Ltd.		Singapore September 19, 2011		100%	Sales and marketing of modules
Canadian Solar South Africa Pty., Ltd.		South Africa June 22, 2012		100%	Sales and marketing of modules
Canadian Solar Brazil Commerce, Import and Export of Solar Panels Ltd.		Brazil November 14, 2012		100%	Sales and marketing of solar modules, and provide solar energy solution to customer
Canadian Solar Middle East Limited		United Arab Emirates December 10, 2012		100%	Sales and marketing of modules
Canadian Solar (Thailand) Ltd.		Thailand March 29, 2013		100%	Sales and marketing of modules
Canadian Solar Construction (USA) LLC		USA May 20, 2014		100%	Solar farm operating and maintenance service
Canadian Solar Project K.K.		Japan May 20, 2014		100%	Developing solar power project
CSI-GCL Solar Manufacturing (Yancheng) Co., Ltd.		PRC May 29, 2014		80%	Research and developing, manufacture and sales of solar cells, and solar power projects development
Canadian Solar UK Ltd		United Kingdom May 29, 2014		100%	Sales and marketing of modules
Canadian Solar UK Projects Ltd		United Kingdom August 29, 2014		100%	Developing solar power project
Changshu Tegu New Material Technology Co., Ltd.		PRC September 2, 2014		75%	EVA solar packaging film research and development, production, and sales
Changshu Tlian Co., LTD		PRC December 26, 2014		100%	Junction box and connector research, development, production and sales
Canadian Solar Trading (Changshu) Inc.		PRC January 22, 2015		100%	Sales of solar wafers, cells and other photovoltaic products
Canadian Solar Energy Acquisition Co.		USA January 22, 2015		100%	Developing solar power project
Canadian Solar UK Securities Limited		United Kingdom February 5, 2015		100%	Investment holding
Canadian Solar UK Intermediate Limited		United Kingdom February 5, 2015		100%	Investment holding
Canadian Solar UK Strategies Limited		United Kingdom February 6, 2015		100%	Project management and financing
Recurrent Energy, LLC		USA March 31, 2015		100%	Developing solar power project
PT. Canadian Solar Indonesia		Indonesia February 26, 2015		67%	Production of solar modules
Canadian Solar Manufacturing Vietnam Co., Ltd		Vietnam June 25, 2015		100%	Production of solar modules
Canadian Solar Energy Private Limited		India May 06, 2015		100%	Sales and marketing of modules
Canadian Solar Australia 1 Pty Ltd		Australia August 03, 2015		100%	Sales and marketing of modules
Canadian Solar Energy Holding Company Limited		Hong Kong September 22, 2015		100%	Investment holding
Canadian Solar UK Holding Limited		United Kingdom October 7, 2015		100%	Investment holding
Canadian Solar UK Investment Limited		United Kingdom October 8, 2015		100%	Investment holding
Canadian Solar UK Parent Limited		United Kingdom October 8, 2015		100%	Investment holding
Canadian Solar Manufacturing (Thailand) Co.,Ltd.		Thailand November 20, 2015		99.99992%	Cells and module production