Trial production reached certain key technology and operating milestones in December 2009.

BAODING, China, PRNewswire-Asia-FirstCall [WorldofRenewables.com]

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Yingli Green Energy Holding Company Limited (NYSE:YGE) (“Yingli Green Energy” or the “Company”), a leading solar energy company and one of the world’s largest vertically integrated photovoltaic (“PV”) manufacturers, which holds the brand “Yingli Solar,” announced its in-house polysilicon manufacturing facility, Fine Silicon Co., Ltd. (“Fine Silicon”), has successfully started commercial operation, which is another significant milestone after Fine Silicon announced it has commenced trial production and reached certain key technology and operating milestones in December 2009. With state-of-the-art facilities and advanced monosilane-based polysilicon manufacturing technology, the polysilicon plant with a designed capacity of 3,000 metric tons (“MT”) per year is capable of producing high quality solar-grade and electronic-grade polysilicon through energy-efficient and environmentally-friendly manufacturing processes.

“We are pleased to announce this significant operating milestone,” commented Mr. Liansheng Miao, Chairman and Chief Executive Officer of Yingli Green Energy. “We expect the successful startup of this plant to further strengthen our leading position as one of the world’s largest vertically integrated PV manufacturers. Fine Silicon will also serve as a key platform to improve our raw material quality, which is an additional guarantee for our high performance PV modules.”

Mr. Yuehe Zhang, General Manager of Fine Silicon, highlighted the following significant aspects of the polysilicon production at Fine Silicon:

  -- Advanced monosilicon-based technology and closed-loop manufacturing process are significant advantages of Fine Silicon, which allows significant electricity savings and low environmental impact compared with the trichlorosilane ("TCS")-based polysilicon manufacturing
technology;
-- No chlorides or TCS is utilized in its manufacturing process, and sulfate, its by-product, is easily treated;
-- No safety or environmental related incidents during the construction and trial production period, resulting from our strong commitment to safety and environmental responsibility;
-- A smooth trial production process led to a perfect realization of the original schedule for commercial production.

About Yingli Green Energy

Yingli Green Energy Holding Company Limited (NYSE:YGE) , which holds the brand “Yingli Solar”, is a leading solar energy company and one of the world’s largest vertically integrated photovoltaic manufacturers. Yingli Green Energy’s manufacturing covers the entire photovoltaic value chain, from the production of polysilicon through ingot casting and wafering, to solar cell production and module assembly. Currently, Yingli Green Energy maintains a balanced production capacity of over 600 MW per year. Two capacity expansion projects of 300 MW and 100 MW locating in Baoding and Hainan, respectively, has started initial production in early July 2010, and are expected to bring Yingli Green Energy’s total capacity to 1 GW by the end of third quarter 2010. In addition, Yingli Green Energy’s in-house polysilicon plant, Fine Silicon, which has a designed annual production capacity of 3,000 metric tons has started fully integrated production from August 2010. Yingli Green Energy distributes its photovoltaic modules to a wide range of markets, including Germany, Spain, Italy, Greece, France, South Korea, China and the United States. Headquartered in Baoding, China, Yingli Green Energy has more than 7,000 employees and more than 10 subsidiaries and branch offices worldwide. Yingli Green Energy is publicly listed on the New York Stock Exchange (NYSE: YGE) . For more information, please visit http://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 “will,” “expects,” “anticipates,” “future,” “intends,” “plans,” “believes,” “estimates,” “target” 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.

  For further information, please contact:

In China:
Qing Miao
Director, Investor Relations
Yingli Green Energy Holding Company Limited
Phone: +86-312-3100502
Email: ir@yinglisolar.com

In the Americas:
Judy Tzeng Lee
Director of Corporate Development
Yingli Green Energy Holding Company Limited
Phone: +1-510-847-3920
Email: pr@yinglisolar.com

In Europe:
Rebecca Jarschel
Brand Manager
Yingli Green Energy Europe GmbH
Phone: +49-89-540303412
Email: rebecca.jarschel@ygee.eu

Source: Yingli Green Energy Holding Company Limited

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