Date : February 27, 2017 Subject : The Explanation to SET concerning the operating result for the year 2017 more than 20% Attention : The Director and Manager of the Stock Exchange of Thailand For

Manager of The Stock Exchange of Thailand Union Petrochemical Public Company Limited and its subsidiaries ("the Company") would like to clarify the operating results for the year 2018 ended December 31

of the Stock Exchange of Thailand For the year 2018 period ended of December 31, 2018 operating result of S.Pack & Print Public Company and Its Subsidiary in Statement of Comprehensive Income net

หน้า 1 จาก 1 Translation May 10, 2019 Subject: Management explanation and analysis for Quarter ended 31 March 2019 Attn: The Managing Director, the Stock Exchange of Thailand Pacific Pipe Public

Stock Exchange of Thailand For the Q1/2019 period ended of March 31, 2019 operating result of S.Pack & Print Public Company and Its Subsidiary in Statement of Comprehensive Income net profit Baht 0.98

Ref Ref. 2S_BoD008/2019 May 13th, 2019 Subject: Clarification of the change in operating result more than 20% To : The president The Stock Exchange of Thailand 2S Metal Public Company Limited (the

Quarter 1/2019 To : Director and Manager of The Stock Exchange of Thailand Union Petrochemical Public Company Limited and its subsidiaries ("the Company") would like to clarify the operating results for the

Stock Exchange of Thailand Copy to: The Secretary The Security and Exchange Commission JCK Hospitality Public Company Limited (“Company”) would like to report the consolidated operating performance

Ref Ref. 2S_BoD013/2019 August 14, 2019 Subject: Clarification of the change in operating result more than 20% To : The president The Stock Exchange of Thailand 2S Metal Public Company Limited (the

operating result for Q1/2018 more than 20% Attention : The Director and Manager of the Stock Exchange of Thailand For the Q1/2018 period ended of March 31, 2018 operating result of S.Pack & Print Public