Yingli is Outstanding in the PV Module Reliability Scorecard of DNV GL for the Fourth Time.

Yingli Green Energy Holding Company Ltd. ("Yingli" or "Yingli Solar") (NYSE:YGE), one of the world's leading solar panel manufacturers, today announced that, according to DNV GL's PV Module Reliability Scorecard Report 2018, it was named one of the Top Performers by DNV GL for the fourth time.

DNV GL is a global quality assurance and risk management company, which provides the well-known test and advisory services for the energy value chain, including renewable energy and energy efficiency. DNV GL released its annual PV Module Reliability Scorecard report in 2014, 2016 and 2017, presenting the most complete publicly-available comparison of PV module reliability test results.

"The PV Module Reliability Scorecard report is a voluntary program initiated by DNV GL, presenting the most complete and transparent comparison of PV module reliability test results. Since 2014, Yingli's PV modules performed at the top level in reliability in the four reports," commented Dr. Dengyuan Song, Chief Technology Officer of Yingli. "The reliability tests covered by the Scorecard include triple IEC thermal cycle, damp heat, humidity freeze, and dynamic mechanical load and PID attenuation. The test results demonstrated the strong reliability of Yingli's PV modules."