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%		Sales and marketing of solar products
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
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 Group Co., Ltd. (formerly named/known as "CSI Solar Power (China) Inc.")		PRC July 7, 2009		100%		Investment holding and trading
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
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		75.324%		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 Construction (USA) LLC		USA May 20, 2014		100%		Solar farm operating and maintenance service
Canadian Solar Projects K.K.		Japan May 20, 2014		100%		Developing solar power project
CSI&GCL Solar Manufacturing (Yan Cheng) Inc.		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		90%		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
Recurrent Energy Group Inc.		USA January 22, 2015		100%		Developing solar power project
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 MSS (Australia) Pty Ltd (formerly named/known as "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%		Project investment, financing, trading of solar modules
Canadian Solar Manufacturing (Thailand) Co., Ltd.		Thailand November 20, 2015		99.99992%		Cells and module production
Canadian Solar Sunenergy (Suzhou) Co., Ltd.		PRC May 12, 2016		100%		Production of solar modules
Canadian Solar Energy Holding Singapore 1 Pte. Ltd.		Singapore June 7, 2016		100%		Development & Ownership of Solar PV Projects
Canadian Solar Sunenergy (Baotou) Co., Ltd.		PRC August 18, 2016		100%		Production of solar modules, ingots and wafers
CSI Cells (Yancheng) Co., Ltd.		PRC May 18, 2017			*	Production of solar cells
CSI Modules (Dafeng) Co., Ltd.		PRC May 16, 2017			**	Production of solar modules


*	CSI Cells holds 3.22% equity rights of CSI Cells (Yancheng) Co., Ltd. A limited partnership fund, of which CSI Cells holds 37.33% shares as a limited partner and a wholly-owned subsidiary of CSI Solar Power Group Co., Ltd. holds 0.17% shares as a general partner, holds 96.77% equity rights of CSI Cells (Yancheng) Co., Ltd.
**	CSI Changshu Manufacturing holds 4% equity rights of CSI Modules (Dafeng) Co., Ltd. A limited partnership fund, of which CSI Changshu Manufacturing holds 14.93% shares as a limited partner and a wholly-owned subsidiary of CSI Solar Power Group Co., Ltd. holds 0.07% shares as a general partner, holds 96% equity rights of CSI Modules ( Dafeng) Co., Ltd.