Mr. Sarath Teganjanavanich During the period of 9 to 16 October 2015 and 12 to 26 April 2016, Mr. Sarath Teganjanavanich, Vice President of Business Planning and Finance of Thai Optical Group Public

Miss Malita Limlomwongse During the period of 9 to 16 October 2015 and 12 to 26 April 2016, Mr. Sarath Teganjanavanich, Vice President of Business Planning and Finance of Thai Optical Group Public

Mrs. Phenchan Yongvongphaiboon In June, 2017, Mrs. Phenchan Yongvongphaiboon, director and vice managing president of Asia Metal Public Limited Company ("AMC"), knew the material

Mr. Woraphant Chontong Mr. Woraphant Chontong while being a director, executive director and senior executive vice president of financial and administration division of Sino-Thai Engineering and

Mr. Noppadol Dej-Udom Mr. Noppadol Dej-Udom while being an Executive Vice Chairman of the Executive Committee of True Corporation Public Company Limited (TRUE), knew or possessed inside information

Mr. Chana Towan Mr. Chana Towan as the Executive Vice-President and Director of Dcon Product Public Company Limited ("DCON"), knew or possessed an inside information material which might

Mr. Tikhamporn Plengsrisuk Mr. Tikhamporn Plengsrisuk while serving as the vice chairman of the board of directors of L.P.N. Development Public Company Limited ("LPN"), knew or possessed

Mr. Vudhiphol Suriyabhivadh Mr. Vudhiphol Suriyabhivadh as the vice chairman of the board of directors of L.P.N. Development Public Company Limited ("LPN"), chairman of the Audit Committee

Mr. Suriya Suriyabhivadh Mr. Suriya Suriyabhivadh, son of Mr. Vudhiphol Suriyabhivadh who is the vice chairman of the board of directors of L.P.N. Development Public Company Limited ("LPN"

Mr. Ratanapong Srirojanant Mr. Ratanapong Srirojanant, in collaboration with Mr. Suriya Suriyabhivadh, son of Mr. Vudhiphol Suriyabhivadh who is the vice chairman of the board of directors of L.P.N