Canadian Solar Inc. (the "Company" or "Canadian Solar") (NASDAQ:CSIQ) today announced that its Baotou ingot manufacturing facility and Suqian solar cell manufacturing facility achieved the Silver Level Solar Stewardship Initiative (SSI) Supply Chain Traceability Certification. Canadian Solar is the first manufacturer to achieve Silver certification under the SSI Supply Chain Traceability Certification for both ingot and cell production. This certification demonstrates the Company's commitment to transparency and traceability across its upstream suppliers and to advancing responsible sourcing.

The SSI Supply Chain Traceability Standard is designed to enhance visibility into material sourcing and manufacturing processes across the solar value chain, supporting industry efforts to advance responsible and sustainable production practices. All certification audits are performed by independent third-party firms under the defined SSI audit protocol (ingot and cell).