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

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

AC 52/07-003 ACC1/19-019 May 13, 2019 Subject: Management Discussion and Analysis Quarter 1 Ending March 31, 2019 To: Director and Managing Director The Stock Exchange of Thailand Qualitech Public

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

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

February 29, 2008 14 May 2018 Subject : Management discussion and analysis of financial statement for three-month period ended 31 March 2018 Attention : Director and Manager The Stock Exchange of

Stock Exchange of Thailand For the Q2/2018 period ended of June 30, 2018 (6 months) operating result of the company net loss Baht 6.02 Million comparison with the previous Q2/2017’s net loss of Baht 9.08

Manager The Stock Exchange of Thailand The operating performance for three-month period end 30 June 2018 of Mahachai Hospital Public Company Limited compared to the prior year was decreasing in net profit

results for Quarter 3/2018 To : Director and Manager of The Stock Exchange of Thailand Union Petrochemical Public Company Limited and its subsidiaries would like to describe and analyze the financial