Mr. Ki-Joon Hong

Mr. Hong is Chief Executive Officer of Hanwha SolarOne. Mr. Hong is currently the Chairman of the Board of SolarOne, Chief Executive Officer of Hanwha Chemical Corporation and was previously the Chief Executive Officer of Hanwha's pharmaceutical and refinery businesses. Mr. Hong also served as the Chief Executive Officer of Hanwha's pharmaceutical and refinery businesses. Under his leadership, Hanwha Chemical entered into the solar energy and secondary battery businesses and also actively expanded its overseas operations, forming a joint venture in Saudi Arabia and building a PVC factory in Ningbo, Zhejiang, China. He received a bachelor of science in Chemical Engineering from Seoul National University.

Mr. Dong Kwan Kim

Mr. Dong Kwan Kim is Chief Strategy Officer and member of the Board of Hanwha SolarOne. Mr. Kim brings extensive leadership and strategic development experience to Hanwha with his background as an officer in the Republic of Korea Air Force. He joined Hanwha Group in January 2010 and has served as a Managing Director of Management & Planning HQ at Hanwha Group. Mr. Kim became a board member of Hanwha SolarOne in December 2010. He received a B.A. in Government from Harvard University.

Mr. Min-Su Kim

Mr. Min-Su Kim is President of Hanwha SolarOne Co., Ltd. In his role as President, Mr. Kim oversees general management of the company, including sales, marketing, R&D and production.

Min-Su Kim joins Hanwha SolarOne from Hanwha Group headquarters. During his term of planning team of Hanwha Chemical, Mr. Kim helped expand the division’s business portfolio into new growth fields including solar energy, biopharmaceuticals, rechargeable battery materials and nano-technology.

He joined Hanwha in 1987 and spent 5 years in finance before serving in a number of leadership positions in sales and marketing for key product areas.

Mr. Kim earned his bachelor’s degree in Business Administration from Seoul National University and his M.S. in Leadership and Strategy from the London Business School.

Mr. Yinzhang Gu

Mr. Yinzhang Gu started his career from Electricity Administration Bureau of Eastern China. He worked there for 36 years till he retired. Before he retired in 1999, Mr. Gu was Deputy Director of Eastern China Electricity Administration Bureau and Director of Shanghai Electricity Administration Bureau.

Mr. Gu's experience, expertise and social relationship will benefit greatly the companies ability to tap China's PV market, enhancing the company's influence in the industry, obtaining more business opportunity and experts.

Mr. Thomas J. Toy

Mr. Thomas J. Toy has served as an independent Director of Hanwha SolarOne since November 2006. His other current positions include Director and incoming Chairman-elect of the Board, compensation committee chairperson and audit committee member of UTStarcom Inc. (Nasdaq: UTSI), Director and corporate governance committee chairperson of White Electronic Designs Corp. (Nasdaq: WEDC) and director of several privately held companies. Mr. Toy has also been co-founder and managing director of PacRim Venture Partners, a venture capital firm based in Menlo Park, California, since 1999, and he is a partner with SmartForest Ventures, a venture capital firm based in Portland, Oregon. From 1987 to 1999, he was Partner and Managing Director of the Corporate Finance Division of Technology Funding, a venture capital firm based in San Mateo, California. From 1979 to 1987, Mr. Toy held several positions at Bank of America National Trust and Savings Association, including vice president.

Mr. Ernst A. Bütler

Mr. Ernst A. Bütler has served as our independent director since November 2006. He also serves as the chairman of our compensation committee and as a member of our audit committee. Mr. Bütler has been an independent board member/consultant and owner of E.A. Bütler Management in Zürich since 2005. His other current positions include board member of Bank Frey & Co. AG, Zürich, member of the board of Frey Group Holding, Zurich, chairman of the board of Alegra Capital Ltd., Zürich, chairman of the board of AA-Partners, Zürich, chairman of the board of SACA, Swiss Alternative Capital AG, Zurich, member of the board of Sunfilm Power Ltd., Germany, and member of the advisory board of XBiotech Inc., Austin/Texas. From 1999 to 2005, he was a partner of Partners Group in Zug, the largest independent Asset Manager of Alternative Investments in Europe. Mr. Bütler spent over 25 years with Credit Suisse and Credit Suisse First Boston, with his last assignment being Managing Director and co-head of Corporate and Investment Banking Switzerland. He received a bachelor's degree from the School of Economics and Business Administration in Zürich in 1973, and attended post-graduate programs at the University of Massachusetts in the United States, the European Institute of Business Administration in Paris, and Massachusetts Institute of Technology.

Dr. David N.K. Wang

Dr. Wang is currently the chairman of the board of Ether Optronics Inc. and an overseas advisor to the Ministry of Science and Technology of The People's Republic of China. He is also an advisor to the Greater China Innovation and Entrepreneurship project of Stanford University in the United States. He was a member of the board of directors of Semiconductor Equipment and Materials International (SEMI) and chairman of its China Regional Advisory Board.

From September 2005 to June 2007, Dr. Wang served as the Chief Executive Officer of Huahong Group and concurrently chairman of Huahong NEC, a subsidiary of Huahong Group. Prior to joining Hua Hong Group, Dr. Wang served as executive vice president of Applied Materials and president of Applied Materials Asia. Dr. Wang was responsible for Applied Materials' business strategy, planning and execution throughout Asia.

Dr. Wang has also been a member of, chaired and helped found a variety of councils, committees and associations related to technology and Asia-Pacific business and economy. He received his Ph.D. degree in Materials Science from the University of California, Berkeley.