[Yingli Green Energy Reports Second Quarter 2010 Results Gross Margin Reached Historical High of 33.5% BAODING, China, August19, 2010 Second Quarter 2010nsolidated Financial Highlights Total net revenues were RMB 2,699.6million (US$398.1million). Gross profit was RMB 905.1million (US$133.5million), representing a gross margin of 33.5%. Operatingome was RMB 565.4million (US$83.4million), representing an operating margin of 20.9%.]