[CONFIDENTIAL 2014-02-18 FINAL [1] JA Solar Multi-Si Solar Cells Surpass 19% Conversion Efficiency Shanghai, China, February 18, 2014 - JA Solar Holdings Co., Ltd. (Nasdaq:JASO) (“JA Solar” or the “Company”), one of the world’s largest manufacturers of high-performance solar power products, today announced that its multi-crystalline silicon (“multi-Si”) solar cells have surpassed 19% conversion efficiency. This latest improvement in efficiency,] [JA Solar Holdings Co., Ltd. By Baofang Jin]