[Highpower International, Inc. Reports First Quarter 2014 Financial Results San Francisco, USA & Shenzhen, China– May 12, 2014 – Highpower International, Inc. (NasdaqGM: HPJ) First Quarter 2014 Highlights · Net sales increased 19.5% year-over-year to $29.2 million · Robust growth in lithium battery segment – lithium battery net sales up 44.7% in the first quarter of 2014 over the first] []

[April 13, 2014 PERSONAL AND CONFIDENTIAL Highpower International, Inc. Building 1, 68 Xinxia Street, Pinghu Town Longgang District, Shenzhen Guangdong, China 518111 Attention: Dangyu Pan, Chairman of the Board and CEO Dear Sirs: Agreement Broker Company This letter will confirm the understanding and agreement (the “ 1. Engagement Investors Securities Transactions 2. Broker’s Role (a) Offering Documents Review any offering] [highpower international, inc. Holder Initial Exercise Date Termination Date Company Section 1 Definitions Purchase Agreement Section 2 Exercise 1 Exercise Price $6.33 Exercise Price b) Cashless Exercise c) (A) = (B) = (X) = VWAP “ 2 Mechanics of Exercise d) DWAC i. ii. Rescission Rights iii. 3 Buy-In iv. No Fractional Shares or Scrip v. Charges, Taxes and Expenses] [April 16, 2014 Highpower International, Inc. Building A1, Luoshan Industrial Zone, Shanxia, Pinghu, Longgang, Shenzhen, Guangdong, 518111 People’s Republic of China Re: Registration Statement on Form S-3 Commission File No. 333-192168 Ladies and Gentlemen: Based upon the foregoing and subject to the assumptions, limitations and exceptions set forth herein, we are of the opinion that, as of the date hereof:] [SECURITIES PURCHASE AGREEMENT Agreement Company Purchaser Purchasers This Securities Purchase Agreement (this “ Securities Act NOW, THEREFORE, IN CONSIDERATION of the mutual covenants contained in this Agreement, and for other good and valuable consideration the receipt and adequacy of which are hereby acknowledged, the Company and each Purchaser agree as follows: ARTICLE I. Definitions 1.1 Acquiring Person “ Action “] [Highpower International Announces $5.05 Million Registered Direct Offering SAN FRANCISCO, USA and SHENZHEN, CHINA-(April 14, 2014) - Highpower International, Inc. (NASDAQ: HPJ) Highpower International intends to use the proceeds of the offering for general corporate purposes, including research and development, sales and marketing, general and administrative, manufacturing, and capital expenditures. Ardour Capital Investments, LLC acted as the exclusive placement agent] []

[TABLE OF CONTENTS HIGHPOWER INTERNATIONAL, INC. TABLE OF CONTENTS TO ANNUAL REPORT ON FORM 10-K For the Fiscal Year Ended December 31, 2013 PART I ITEM 1. BUSINESS 1 ITEM 1A. RISK FACTORS 13 ITEM 1B. UNRESOLVED STAFF COMMENTS 33 ITEM 2. PROPERTIES 34 ITEM 3. LEGAL PROCEEDINGS 35 ITEM 4. MINE SAFETY DISCLOSURES 35] [Comprehensive Credit Line Contract Contract No.: PYSXZZ 20131112 No. 001 SHENZHEN XINZHOU BRANCH Party A (Line Grantor): PINGAN BANK CO., LTD. Zhongcheng Tianyi Park, Xinzhou Road, Futian District Address: Li Jing Legal Representative (Principal): 23480048 Tel.: SHENZHEN HIGHPOWER TECHNOLOGY CO., LTD. Party B (Line Applicant): Building A2, Luoshan Industrial Park, Pinghu Shanxia Villiage Address: Pan Dangyu Legal Representative: Tel.: Contract] [Loan Contract Loan Contract Contract No.: PYSXZDZ 20131203 No. 001 ( ) Out of the line Line Contract No.: PYSXZZZ 20131112 No. 001 SHENZHEN XINZHOU BRANCH PINGAN BANK CO., LTD. Party A (Lender): First Floor, Zhongcheng Tianyi Park, Xinzhou Road, Futian District Address: Li Jing Legal Representative (Principal): 23480048 Tel.: SHENZHEN HIGHPOWER TECHNOLOGY CO., LTD. Party B (Borrower): Building A2,] [Maximum Guarantee Contract Contract No.: PYSXZEBZ 20131112 No. 001-2 CO., LTD. SHENZHEN XINZHOU BRANCH Party A (Creditor): Zhongcheng Tianyi Park, Xinzhou Road, Futian District Address: 23480048 Tel.: 23480054 Fax: Li Jing Principal: President Position: Pan Dangyu Party B (Guarantor): Identity card Certificate Type *: 430104196803184316 Certificate No. *: (The contents expressed with “*” may not be written if Party B] [Maximum Guarantee Contract Contract No.: PYSXZEBZ 20131112 No. 001-1 CO., LTD. SHENZHEN XINZHOU BRANCH Party A (Creditor): Zhongcheng Tianyi Park, Xinzhou Road, Futian District Address: 23480048 Tel.: 23480054 Fax: Li Jing Principal: President Position: SPRINGPOWER TECHNOLOGY (SHENZHEN) COMPANY LIMITED Party B (Guarantor): Certificate Type *: Certificate No. *: (The contents expressed with “*” may not be written if Party B] [THE SHANGHAI COMMERCIAL & SAVINGS BANK, LTD. HONG KONG BRANCH (INCORPORATED IN TAIWAN WITH LIMITED LIABILITY) Private and Confidential For and on behalf of ______________ Our Reference: 6400102110148 HONG KONG HIGHPOWER TECHNOLOGY COMPANY LIMITED 17th September 2013 Hong Kong Highpower Technology Company Limited Unit 12, 15/F Technology Park, 18 On Lai Street, Shek Mun, Shatin, N.T. Dear Sirs, Re: Banking] [Independent Registered Public Accounting Firm’s Consent We consent to the incorporation by reference in the Registration Statement of Highpower International, Inc. and subsidiaries (the “Company”) on Form S-8 (File No.333-157443) and the Registration Statement on Form S-3 (File No. 333-192168) of our report dated March 31, 2014, with respect to our audits of the consolidated financial statements of the Company] [I, Dang Yu Pan, certify that: 1. I have reviewed this annual report on Form 10-K 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 annual report on Form 10-K 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 March 28, 2014 Henry Sun Chief Financial Officer (Principal Financial and Accounting Officer) March 28, 2014]

[Highpower International, Inc. Reports Fourth Quarter and Full Year 2013 Financial Results Record FY 2013 revenues of $133 million as lithium battery net sales were up 52.6% over FY 2012 Q4 net revenues up 24.7% YoY to $38.4 million while net income grew 114% YoY to $1.2 million Issues FY 2014 guidance range - revenues of $150 to $170 million] []