[] [I, Dang Yu Pan, certify that: 1. I have reviewed this quarterly report on Form 10-Q of Highpower International, Inc.; 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] [I, Henry Sun, certify that: 1. I have reviewed this quarterly report on Form 10-Q of Highpower International, Inc.; 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,] [(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. Dang Yu Pan Chairman of the Board and Chief Executive Officer August 16, 2012 Henry Sun Chief Financial Officer (Principal Financial and Accounting Officer) August 16, 2012] [Comprehensive credit contract Fiduciary: SHENZHEN HIGHPOWER TECHNOLOGY CO., LTD. (hereinafter referred to Party A) Credit: Zhuhai China Resources Bank Co., Ltd., SHENZHEN BRANCH (sub, sub-branches) (hereinafter referred to Party B) Applying by Party A, Party B agrees to provide the Party A the line of credit. In accordance with the provisions of relevant laws, after full consultation, Party A and] [Loans Operations Centre Tel: (852) 3518 5888 Fax: (852) 2868 0726 Email: loansopctr@winglungbank.com www.winglungbank.com IMPORTANT NOTICE: THIS LETTER SETS OUT THE TERMS AND CONDITIONS UPON WHICH OUR BANK WOULD PROVIDE BANKING FACILITIES TO YOU. YOU ARE ADVISED TO READ AND UNDERSTAND SUCH TERMS AND CONDITIONS BEFORE ACCEPTING THIS LETTER, OR IF YOU CONSIDER NECESSARY, SEEK INDEPENDENT LEGAL ADVICE. Our Ref:]