-Translation- M06/010/18 August 14, 2018. Subject Clarification of Q2/2018 Company Performance To The President of the Stock Exchange of Thailand Reference MDX Public Company Limited and its

Stock Exchange of Thailand For the Q3/2018 period ended of September 30, 2018 (3 months) operating result of the company net profit Baht 4.79 Million comparison with the previous Q3/2017’s net loss of

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

-Translation- No. M06/011/18 November 14, 2018 Subject Clarification of Q3/2018 Company Performance To The President of the Stock Exchange of Thailand Reference MDX Public Company Limited and its

writer Ref. No. 158/2562 November 13, 2019 SUBJECT : Management Discussion and Analysis ending September 30, 2019 ATTN : The President Stock Exchange of Thailand The Company realized profit for the

AC 52/07-003 ACC1/20-030 May 11, 2020 Subject: Management Discussion and Analysis Quarter 1 Ending March 31, 2020 To: Director and Managing Director The Stock Exchange of Thailand Qualitech Public

Stock Exchange of Thailand The operating performance for three-month period end of 31 March 2020 of Mahachai Hospital Public Company Limited compared to the prior year was decreasing in net profit

Stock Exchange of Thailand The operating performance for year end 31 December 2019 of Mahachai Hospital Public Company Limited compared to the prior year was decreasing in net profit amounting to Baht

ที่ กบร No. Lor Gor. 005/2020 May 14, 2020 President The Stock Exchange of Thailand Re : Clarification on the company’s over 20% change in its operating results for 1st quarter, 2020 Dear Sir, Thai

Ref: SP 2020/008 Date : May 14, 2020 Subject : The Explanation to SET concerning the operating result for Q1/2020 more than 20% Attention : The Director and Manager of the Stock Exchange of Thailand