Mr. Si, aged 59, is currently an independent Supervisor of the Company, the chairman of the board and party secretary of Shenzhen SED Industry Co., Ltd. (深圳市桑達實業股份有限 公司) (a company listed on the Shenzhen Stock Exchange (stock code: 000032)). Mr. Si previously served as the chief of the production safety department, assistant general manager and deputy factory manager of East China Electronic Tube Factory (華東電子管廠), deputy general manager and a party committee member of Nanjing Huadong Electronics Group Co., Ltd. (南京華東電子集團股份有限公司), a director and the general manager of Nanjing Huadong Electronics Information & Technology Company Limited (南京華東電子信息科技股份 有限公司) (currently known as TPV Technology Co., Ltd. (冠捷 電子科技股份有限公司)) (a company listed on the Shenzhen Stock Exchange (stock code: 000727)), an executive director (legal representative) and the general manager of Nanjing Hua Dong Electronics Group Co., Ltd. (南京華東電子集團有限公 司), deputy general manager of IRICO Group Corporation (彩 虹集團公司) (currently known as IRICO Group Corporation (彩虹集團有限公司)), the general manager of IRICO Group Corporation, the party secretary and the chairman of the board of IRICO Group Corporation, the chairman of the board of Xianyang China Electronics IRICO Group Holdings Co., Ltd. (咸陽中電彩虹集團控股有限公司), the vice chairman of the board of Irico Display Devices Co., Ltd. (彩虹顯示器件股份有 限公司) (a company listed on the Shanghai Stock Exchange (stock code: 600707)), the chairman of the board of Epilight Technology Co., Ltd. (上海藍光科技有限公司), the chairman of the board of Shanghai Hongzheng Assets Management Co., Ltd. (上海虹正資產經營有限公司), the chairman of the supervisory committee of Irico Display Devices Co., Ltd., the chairman of the board of Hefei IRICO Epilight Technology Co., Ltd. (合肥彩虹藍光科技有限公司), the chairman of the board of Irico Group New Energy Company Limited (彩虹集團新能 源股份有限公司) (a company listed on the Stock Exchange (stock code: 438)). Mr. Si graduated from East China Institute of Technology (currently known as Nanjing University of Science & Technology) with a bachelor’s degree in chemical engineering, majoring in environmental monitoring. He holds a doctorate degree in management and is a senior engineer.