Yingli Green Energy Holding Company Limited (NYSE: YGE) (�Yingli Green Energy� or the �Company�), one of the world's leading vertically integrated photovoltaic (�PV�) product manufacturers, today announced that it has entered into a memorandum of understanding (the �MOU�) with T�V Rheinland (Shanghai) Co., Ltd. (�T�V Rheinland�) to form a strategic partnership covering a range of quality control initiatives at the Company. Under the proposed strategic partnership, T�V Rheinland would conduct periodic factory inspections to review production, testing and calibration procedures and assist Yingli Green Energy in certification planning and execution to support new product introductions. In addition, Yingli Green Energy and T�V Rheinland intend to develop and implement technical training programs for Yingli Green Energy employees. �We are pleased to announce our intention to develop a long-term strategic partnership with T�V Rheinland,� said Mr. Liansheng Miao, Chairman and CEO of Yingli Green Energy. �Yingli strongly believes that product quality is the fundamental foundation for creating sustainable customer satisfaction and loyalty, which we believe will continue to be one of the primary drivers of our success in terms of building a strong brand, achieving solid financial results and creating shareholder value. To support our aspirations to be a world-leading manufacturer of high-quality PV products we recognize the need to work with world experts to improve our quality standards and controls and we have selected T�V Rheinland as our strategic partner.� �We appreciate Yingli�s objective to enhance their quality standards and controls,� said Mr. Gerhard Luebken, Managing Director of T�V Rheinland Shanghai, �We are pleased to support Yingli in achieving their product quality aims by developing and delivering a range of services in cooperation with Yingli.� About Yingli Green Energy Yingli Green Energy Holding Company Limited is one of the world�s leading vertically integrated PV product manufacturers. Through the Company�s principal operating subsidiary in China, Baoding Tianwei Yingli New Energy Resources Co., Ltd., Yingli Green Energy designs, manufactures and sells PV modules and designs, assembles, sells and installs PV systems that are connected to an electricity transmission grid or operate on a stand-alone basis. With 400 MW of total annual production capacity in each of polysilicon ingots and wafers, PV cells and PV modules, Yingli Green Energy is currently one of the largest manufacturers of PV products in the world as measured by annual production capacity. Additionally, Yingli Green Energy is one of a limited number of large-scale PV companies in the world to have adopted a vertically integrated business model. Through its wholly owned subsidiary Yingli Energy (China) Co., Ltd., Yingli Green Energy currently plans to expand annual production capacity of polysilicon ingots and wafers, PV cells and PV modules to 600 MW by mid-2009. Yingli Green Energy sells PV modules under its own brand name, Yingli Solar, to PV system integrators and distributors located in various markets around the world, including Germany, Spain, Italy, South Korea, Belgium, France, China and the United States. For more information, please visit www.yinglisolar.com. Safe Harbor Statement This press release contains forward-looking statements. These statements constitute �forward-looking� statements within the meaning of Section 21E of the Securities Exchange Act of 1934, as amended, and as defined in the U.S. Private Securities Litigation Reform Act of 1995. These forward-looking statements can be identified by terminology such as �may,� �will,� �expect,� �anticipate,� �future,� �intend,� �plan,� �believe,� �estimate,� �targets�, �projects,� �potential,� �outlook,� �continue,� �is/are likely to� and similar statements. Such statements are based upon management�s current expectations and current market and operating conditions, and relate to events that involve known or unknown risks, uncertainties and other factors, all of which are difficult to predict and many of which are beyond Yingli Green Energy�s control, which may cause Yingli Green Energy�s actual results, performance or achievements to differ materially from those in the forward-looking statements. Further information regarding these and other risks, uncertainties or factors is included in Yingli Green Energy�s filings with the U.S. Securities and Exchange Commission. Yingli Green Energy does not undertake any obligation to update any forward-looking statement as a result of new information, future events or otherwise, except as required under applicable law.