Yingli Green Energy's Multicrystalline PV Modules Excel in Intertek's Potential Induced Degradation Test

BAODING, China, Aug. 20, 2012 /PRNewswire-Asia-FirstCall/ -- 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 successfully passed the Potential Induced Degradation (PID) test conducted by Intertek Group plc ("Intertek"). This test was conducted to assess power output of the Company's multicrystalline PV modules under severe conditions of high voltage, high temperature and high humidity. According to the test results, Yingli Solar modules ranked at the top of the class.

Intertek is a leading provider of quality and safety solutions across a wide range of industries worldwide. The PID test was conducted under stringent conditions of 85 degrees Celsius, 85% relative humidity, and 1,000 volts of system voltage bias for a duration of 48 hours. The test results showed that the power degradation of Yingli Solar modules was lower than 1%. Intertek further tested Yingli Solar modules for a duration of 96 hours, and found that the modules were still below the 1% degradation level.

"We are very glad to see the outstanding performance of our modules on the PID test conducted by Intertek," said Mr. Liansheng Miao, Chairman and Chief Executive Officer of Yingli Green Energy. "The test results highlight the high quality of our products, which has been our firm commitment to customers. We expect this excellent PID test result to further strengthen customers' confidence in our products and enhance our leadership position in the solar industry."

"More and more PV manufacturers are pursuing better product quality and performance, and Yingli Green Energy is highly committed in this regard," said Frank Pan, President of Intertek Commercial & Electrical Asia Pacific. "Intertek plays an important role by utilizing its expertise and experience in helping PV manufacturers to enhance their product quality and sharpen their competitive edges."

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. Currently, Yingli Green Energy maintains a balanced vertically integrated production capacity of 1,850 MW per year. Capacity expansion projects of an additional 600 MW in total are under construction in Baoding, Haikou, Tianjin and Hengshui, which are expected to increase the Company's total nameplate production capacity to 2,450 MW by the end of 2012. 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 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 www.yinglisolar.com.

About Intertek

Intertek is a leading provider of quality and safety solutions serving a wide range of industries around the world. Intertek has the experience, expertise, resources and global reach to support its customers through its extensive network of 1,000 laboratories and offices and over 33,000 people in more than 100 countries around the world. The Commercial & Electrical division of Intertek provides product testing and certification services, including safety testing and certification, electromagnetic compatibility (EMC) testing, and performance testing. For more information, please visit: www.intertek.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 of Investor Relations
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 Inc.

Tel: +1-603-5915812

Email:

[email protected]

In Europe:
Rebecca Jarschel
Marketing Communications Manager
Yingli Green Energy Europe GmbH
Tel: +49-89-540303412
Email: [email protected]

SOURCE Yingli Green Energy Holding Company Limited