[] [6,500,000 American Depositary Shares representing 39,000,000 Shares, par value $0.0001 per Share DAQO NEW ENERGY CORP. UNDERWRITING AGREEMENT PIPER JAFFRAY & CO. 800 Nicollet Mall Minneapolis, MN 55402 U.S.A. Schedule A As Representative of the several Underwriters named in Ladies and Gentleman: Schedule A Schedule A Daqo New Energy Corp., an exempted company incorporated in the Cayman Islands (the “Company”),] [CONFIDENTIAL TREATMENT Sales and Purchase Agreement Between Yingli Green Energy Holding Company Limited And Chongqing Daqo New Energy Co., Ltd. 1 Party A: Yingli Green Energy Holding Company Limited Company’s Form: Limited Liability Company Registered Address: No. 3055 Middle Fuxin Road, Baoding (Baoding Tianwei Yingli New Energy Sources Co., Ltd) Legal Representative: Miao Liansheng Bank of Deposit: China Construction Bank] [UN E AW FFICES J China Resources Building, 20th Floor Beijing 100005, P. R. China Tel.: (86-10) 8519-1300 Fax: (86-10) 8519-1350 E-mail: junhebj@junhe.com — January [ To: 666 Longdu Avenue Wanzhou, Chongqing 404000 People’s Republic of China Re: Legal Opinion on Certain PRC Law Matters PRC We are lawyers qualified in the People’s Republic of China (the “ Company Registration]

[EXPLANATORY NOTE PART IILOR="#465361"> INFORMATION NOT REQUIRED IN PROSPECTUS ITEM6. INDEMNIFICATION OF DIRECTORS AND OFFICERS. ITEM7. RECENTLES OF UNREGISTERED SECURITIES. PurchaserteofSaleorIssuance TypeandNumber ofSecuritiesnsideration Gold Intellect Limited November22,2007 39,000,000ordinaryshares STYLE="vertical-align:baseline; position:relative; bottom:.8ex">(1) $ 3,900 Plenty China Limited November 22, 2007 14,820,000ordinaryshares STYLE="vertical-align:baseline; position:relative; bottom:.8ex">(1) $ 1,482 Ruian International Limited] [6,500,000 American Depositary Shares representing 39,000,000 Shares, par value $0.0001 per ShareQO NEW ENERGYRP. UNDERWRITINGREEMENT STYLE="font-family:Times New Roman" SIZE="2"> STYLE="font-family:Times New Roman" SIZE="2">PIPER JAFFRAY& 800 Nicollet Mall Minneapolis, MN 55402 U.S.A.hedule A Representative of the several Underwriters named in STYLE="font-family:Times New Roman" SIZE="2">Ladies and Gentleman:] [CONFIDENTIAL TREATMENTles and Purchasereement STYLE="font-family:Times New Roman" SIZE="2"> Between Yingli Green Energympany Limited And STYLE="font-family:Times New Roman" SIZE="2"> Chongqingqo New Energy 1 Party A: Yingli Green Energympany Limitedmpanys Form: Limited Liabilitympany SIZE="2">Registereddress: No.3055 Middle Fuxin Road, Baoding (Baoding Tianwei Yingli New Energy Sources)] [UN E AW FFICES J China Resources Building, 20th Floor STYLE="font-family:Times New Roman" SIZE="2">Beijing 100005, P. R. China Tel.: (86-10) 8519-1300Fax: (86-10) 8519-1350 E-mail: junhebj@junhe.com January[ To: SIZE="2"> 666 Longdu Avenue Wanzhou, Chongqing 404000 STYLE="font-family:Times New Roman" SIZE="2">Peoples Republic of China Re: Legal Opinion on Certain Law Matters SIZE="2">]