Sumitomo Heavy Industries, Ltd. and STELLA PHARMA CORPORATION have respectively entered into a sales contract for BNCT System, “NeuCure®“as well as “NeuCure® Dose Engine”, the BNCT dose calculation program and master service agreement for a boron drug for BNCT, “Steboronine®”, with China Biotech Services Holdings Limited, a company listed on The Stock Exchange of Hong Kong Limited, (Stock Code: 8037) and its subsidiary, Pengbo (Hainan) Medical Technology Co., Ltd. (hereinafter “Pengbo Co., Ltd.”), regarding the introduction of BNCT in Hainan Boao Lecheng International Medical Tourism Pilot Zone in China (hereinafter “Hainan Medical Tourism Pilot Zone”).