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Yingli Green Energy's Multicrystalline PV Module Passes TUV SUD's PID Test

BAODING, China, Dec. 28, 2012 /PRNewswire/ -- 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 manufacturers, which markets its products under the brand "Yingli Solar," today announced that its multicrystalline PV modules passed the Potential Induced Degradation ("PID") test conducted by TUV SUD.

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The PID test was conducted under stringent conditions of 85 degrees Celsius, 85% relative humidity, and 1,000 volts of system voltage bias with a testing duration of 96 hours. The test results showed that the power degradation of Yingli Solar modules was lower than 0.5%, significantly below the maximum allowable power output degradation rate of 5%.

"We're pleased to achieve such a great success in the PID test performed by TUV SUD, which is one of the world's leading technical service organizations," said Mr. Liansheng Miao, Chairman and Chief Executive Officer of Yingli Green Energy. "The test results fully demonstrate our commitment to product reliability. We will continue to elevate the performance of our products with an aim to maximize customers' benefits."

Mr. Robert Puto, Global Product Manager-Photovoltaics of TUV SUD Product Service, commented, "As the competition of the solar industry continues to intensify, more and more PV module manufactures select to partner with leading third-party technical service organizations such as TUV SUD to test and certify their excellent product quality and advanced assembly technology. Yingli's leading position in the global market is attributable to its stringent quality control efforts and technology innovations. TUV SUD is committed to providing authoritative testing and certification services for well-known enterprises by leveraging our strong technical strength and brand advantages."

About Yingli Green Energy

Yingli Green Energy Holding Company Limited (NYSE: YGE), which markets its products under 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. In August 2012, Yingli Green Energy reached a balanced vertically integrated production capacity of 2,450 MW per year at its production facilities located in Baoding, Haikou, Tianjin and Hengshui, respectively. Yingli Green Energy distributes its photovoltaic modules to a wide range of markets, including Germany, Spain, Italy, Greece, France, South Korea, China, Japan and the United States. Headquartered in Baoding, China, Yingli Green Energy has more than 20 subsidiaries and branch offices worldwide. Yingli Green Energy is publicly listed on the New York Stock Exchange (NYSE: YGE). For more information, please visit

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 
Vice President of Corporate Communications 
Yingli Green Energy Holding Company Limited 
Tel: +86 312 8929787 
Email: [email protected]

In the Americas:
Helena Kimball 
Head of Marketing 
Yingli Green Energy Americas 
Tel: +1 603 5915812 
Email: [email protected]

In Europe:
Rebecca Jarschel                                                          
Marketing Communications Manager
Yingli Green Energy Europe GmbH                                            
Tel.: +4989540303412                                                
Email: [email protected]          

SOURCE Yingli Green Energy Holding Company Limited

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