[SOLARFUN POWER HOLDINGS CO., LTD. 8,000,000 American Depositary Shares Each representing five Ordinary Shares (par value US$0.0001 per share) UNDERWRITING AGREEMENT November 10, 2010 November 10, 2010 Morgan Stanley & Co. International plc UBS Securities LLC As the Managers for the Underwriters named in Schedule I hereto Ladies and Gentlemen: Company Underwriters Managers Firm ADSs Additional ADSs ADSs Shares Ordinary] [Subscription Agreement THIS SUBSCRIPTION AGREEMENT (this “Agreement”) is made as of November 9, 2010, by and between Solarfun Power Holdings Co., Ltd., an exempted company incorporated and validly existing with limited liability under the laws of Cayman Islands (the “Company”), and Hanwha Solar Holdings Co., Ltd., an exempted company incorporated and validly existing with limited liability under the laws of] [FORM 6-K SOLARFUN POWER HOLDINGS CO., LTD. 888 Linyang Road þ o Form 20-F o þ Yes o þ Yes o þ Yes TABLE OF CONTENTS EX-99.1 EX-99.2 Solarfun Power Holdings Co., Ltd. (the “Company”) is furnishing under the cover of Form 6-K: 99.1 Underwriting Agreement by and among the Company, Morgan Stanley & Co. International plc and UBS Securities]

[Solarfun Announces Increase in Size and Pricing of Follow-on Public Offering of 9,200,000 American Depositary Shares SHANGHAI, November 12, 2010 -- Solarfun Power Holdings Co., Ltd. (“Solarfun” or the “Company”) (NASDAQ: SOLF), a vertically integrated manufacturer of silicon ingots, wafers and photovoltaic (“PV”) cells and modules in China, announced that its follow-on public offering of 8,000,000 American depositary shares (“ADSs”),] [99.1 Press Release Dated November 12, 2010. SOLARFUN POWER HOLDINGS CO., LTD]