[Hanwha SolarOne Announces Shareholder Resolutions Adopted at Annual General Meeting SHANGHAI, China (December 21, 2011) – Hanwha SolarOne Co., Ltd. (“Hanwha SolarOne” or the “Company”) (NASDAQ: HSOL), a vertically integrated manufacturer of silicon ingots, wafers, and photovoltaic (“PV”) cells and modules in China, today announced the shareholder resolutions adopted at its annual general meeting of shareholders (“AGM”) held in Shanghai,] [December 21 99.1 Press Release Dated HANWHA SOLARONE CO., LTD Ki-Joon HONG]

[Hanwha SolarOne Announces New Appointments to its Senior Management Mr. Hee Cheol Kim, a current board member, is appointed as President; Mr. Dong Kwan Kim, also a board member, is appointed as CSO SHANGHAI, China (December 16, 2011) – Hanwha SolarOne Co., Ltd. (“Hanwha SolarOne” or the “Company”) (NASDAQ: HSOL), a vertically integrated manufacturer of silicon ingots, wafers, and photovoltaic] [99.1 Press Release Dated September 22, 2011. HANWHA SOLARONE CO., LTD Ki-Joon HONG]

[1. Notice of Hanwha SolarOne Co., Ltd. Annual General Meeting to be held on December 20, 2011. 2. Hanwha SolarOne Co., Ltd. Proxy Card. HANWHA SOLARONE CO., LTD Ki-Joon HONG Chief Executive Officer HANWHA SOLARONE CO., LTD. NOTICE OF ANNUAL GENERAL MEETING OF SHAREHOLDERS NOTICE IS HEREBY GIVEN that the annual general meeting of shareholders (the “AGM”) of Hanwha SolarOne]

[Hanwha SolarOne Obtains USD 100 Million Term Loan Led By Standard Chartered Bank and Korea Development Bank SHANGHAI, China (September 22, 2011) The agreement provides for loans in USD. Mr. Jay SEO, Chief Financial Officer of Hanwha SolarOne, commented, “We are pleased to expand our collaboration with Standard Chartered Bank and Korea Development Bank. The new loan facility provides us] [99.1 Press Release Dated September 22, 2011. HANWHA SOLARONE CO., LTD Ki-Joon HONG]

[Hanwha SolarOne Reports Second Quarter 2011 Results SHANGHAI, August 24, 2011 -- Hanwha SolarOne Co., Ltd. ("SolarOne" or the "Company") (Nasdaq: HSOL), a vertically integrated manufacturer of silicon ingots, wafers and photovoltaic (“PV”) cells and modules in China, today reported its unaudited financial results for the quarter ended June 30, 2011. The Company will host a conference call to discuss] [99.1 Press Release Dated August 24, 2011. HANWHA SOLARONE CO., LTD Ki-Joon HONG]