Ref.No.IVL004/10/2017 10th October 2017 President The Stock Exchange of Thailand Subject: Acquisition of 100 percent of the Film and Polymer business of DuPont Teijin Indorama Ventures Public Company Limited

management” means a deputy manager, an assistant manager, a division director, a branch manager, and any persons holding equivalent position called otherwise and such person shall be responsible for services

assistant manager, a division director, a branch manager, and any persons holding equivalent position called otherwise and such person shall be responsible for services relating to derivatives contract

with power of management” means a deputy manager, an assistant manager, a division director, a branch manager, and any persons holding equivalent position called otherwise and such person shall be

May 14, 2020 Reference no. RWI /BKK/018/2563 Subject : Management’s Discussion and Analysis of Business Operations of the First Quarter of 2020 To The Director and Manager of the Stock Exchange of

บริษัท วนชัย กรุ๊ป จำกัด(มหาชน) -Translation- 25 June 2018 Subject : Disclosure of connected transaction by a subsidiary company Attention : President The Stock Exchange of Thailand Vanachai Group

บริษัท วนชัย กรุ๊ป จำกัด(มหาชน) -Translation- 22 June 2020 Subject : Disclosure of connected transaction by a subsidiary company Attention : President The Stock Exchange of Thailand Vanachai Group

: President The Stock Exchange of Thailand Since the Board of Directors of Filter Vision Public Company Limited (“the Company” or “FVC”) dated December 14, 2017 resolved to approve the signing of Hi Healthcare

Stock Exchange of Thailand Ekachai Medical Care Public Company Limited (the “Company”) would like to clarify on the operating results for year ended of 31 December 2017 as follows. The operation results

31st March 2018 To : Managing Director Stock Exchange of Thailand Ekachai Medical Care Public Company Limited (the “Company”) would like to clarify on the operating results for the three-month period at