[] [4th Supplementary Agreement to Multi-Crystalline Solar Wafer Supply Contract Agreement No.: CSI-ZN101231 Signing Place: Suzhou Buyer: CSI Cells Co., Ltd. Address: No. 199 Lushan Road, Suzhou High New District, Jiangsu Seller: Suzhou GCL Photovoltaic Technology Co., Ltd. Address: No. 68 Kunlunshan Road, Suzhou High New District, Suzhou Both parties executed the solar wafer supply agreement (buyer’s contract no.: CSI-ZN80818-B) and] [Certification by the Chief Executive Officer I, Shawn (Xiaohua) Qu, certify that: 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period] [Certification by the Chief Financial Officer I, Michael G. Potter, certify that: 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period]