[] [: Contract NO Comprehensive Credit Contract Party A: SHENZHEN HIGHPOWER TECHNOLOGY CO., LTD. Add: Luoshan Industrial Zone, Pinghu, Shenzhen, Guangdong, China Legal Representative: Pan Dangyu Tel: 0755-89686236 Fax: 0755-89686819 Party B: China Everbright Bank Shenzhen Longhua Sub-branch Add: First floor, No.3, 4 building, yinquan garden, people south road, Longhua, Baoan Tel: 0755-81483044 Fax: 0755-28138641 “ In accordance with the relevant] [Contract NO: GB78191206004 Guaranty Contract of Maximum Amount (Natural person as guarantor) Guarantor: Pan Dangyu ID Number: Business or residence address: Room 604, Floor 2, Building 34, Compound 463, Shougouling Road, Tianhe District, Guangzhou, China Telephone: 0755-8968 6236 Tax: 0755-8968 6819 Creditors: China Everbright Bank Shenzhen Longhua Sub-branch (hereinafter referred to as "Party A") Business or residence address: First floor,] [THE SHANGHAI COMMERCIAL & SAVINGS BANK, LTD. HONG KONG BRANCH (INCORPORATED IN TAIWAN WITH LIMITED LIABILITY) Private and Confidential Our Reference: 6400101120030 31st July 2012 Hong Kong Highpower Technology Company Limited Dear Sirs, Re: Banking Facility up to a limit of USD4,000,000 Borrower: Hong Kong Highpower Technology Company Limited Facility Letter Appendix We are pleased to offer the banking/credit facility(ies)] [Number :40000928-2012 (Henggang) No. 0041 Working Capital Loan Contract (2012) IMPORTANT NOTE: This contract is in equal and voluntary basis of the parties, all terms of the contract are both true meaning of them. To maintain the legitimate interests of the guarantor, the creditor specially remind the guarantor to pay attention on the bold terms in the contract. Lender: Industrial] [Contract NO: Guaranty Contract of Maximum Amount IMPORTANT NOTE: This contract is in equal and voluntary basis of the parties, all terms of the contract are both true meaning of them. To maintain the legitimate interests of the guarantor, the creditor specially remind the guarantor to pay attention on the bold terms in the contract. Creditors: Industrial and Commercial Bank] [Subsidiary Name Country Hong Kong Highpower Technology Company Limited (“HKHT”) Hong Kong Icon Energy System Co. Ltd. (1) People’s Republic of China Shenzhen Highpower Technology Co., Ltd. (“Shenzhen Highpower”) (1) People’s Republic of China Highpower Energy Technology (Huizhou) Company Limited (1) People’s Republic of China Springpower Technology (Shenzhen) Co., Ltd. (2) People’s Republic of China Ganzhou Highpower Technology Co., Ltd.] [to Section 302 of the Sarbanes-Oxley Act of 2002 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] [to Section 302 of the Sarbanes-Oxley Act of 2002 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] [(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 November 12, 2012 Henry Sun Chief Financial Officer (Principal Financial and Accounting Officer) November 12, 2012]