[EXECUTION COPY 1,540,000 American Depositary Shares representing 38,500,000 Shares, par value $0.0001 per Share DAQO NEW ENERGY CORP. UNDERWRITING AGREEMENT February 5, 201 Credit Suisse Securities (USA) LLC Eleven Madison Avenue New York, New York 10010-3629 Underwriter As the underwriter named in Schedule A hereto (the “ Ladies and Gentleman: Company Offered ADSs Shares Daqo New Energy Corp., an exempted] [Office: Mobile: rthorp@traversthorpalberga.com To: Daqo New Energy Corp. 5 February 2015 Dear Sirs Daqo New Energy Corp. Company Commission Act Registration Statement Ordinary Shares ADSs We have acted as Cayman Islands legal advisers to Daqo New Energy Corp. (the " This opinion is given in accordance with the terms of the Legal Matters section of the Registration Statement. 1 Documents] [20/F, China Resources Building 8 Jianguomenbei Avenue Beijing 100005, PRC T: (86-10) 8519-1300 F: (86-10) 8519-1350 junhebj@junhe.com February 5, 2015 Daqo New Energy Corp. Re: Certain PRC Tax Matters Dear Sir/Madam, PRC We are qualified lawyers of the People’s Republic of China (the “ Company Opinion SEC Registration Statement Offering ADSs Shares We have been requested by Daqo New Energy] [20/F, China Resources Building Beijing 100005, PRC T: (86-10) 8519-1300 F: (86-10) 8519-1350 junhebj@junhe.com February 5, 2015 Daqo New Energy Corp. Dear Sir/Madam, Sincerely yours, Jun He Law Offices Beijing Head Office Tel: (86-10) 8519-1300 Fax: (86-10) 8519-1350 Shenzhen Office Tel: (86-755) 2587-0765 Fax: (86-755) 2587-0780 Dalian Office Tel: (86-411) 8250-7578 Fax: (86-411) 8250-7579 Hong Kong Office Tel: (852) 2167-0000] []