-Translation- M06/015/17 November 14, 2017 Subject Clarification of Q3/2017 Company Performance To The President of the Stock Exchange of Thailand Reference MDX Public Company Limited and its

Attn : The Directors and The MAI Manager Ref: Dimet AC 1802/001 February 13, 2018 Attention: The Directors and The MAI Manager The Stock Exchange of Thailand Subject: Report on improved Q.2’s

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

-English translation- No. M06/003/19 May 14, 2019 Subject Clarification of Q1/2019 Company Performance To The President of the Stock Exchange of Thailand Reference MDX Public Company Limited and its

หน้า 1 จาก 1 Translation August 13, 2019 Subject: Management explanation and analysis for Quarter ended 30 June 2019 Attn: The Managing Director, the Stock Exchange of Thailand Pacific Pipe Public

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

Manager The Stock Exchange of Thailand The operating performance for three-month period end 30 June 2019 of Mahachai Hospital Public Company Limited compared to the prior year was decreasing in net profit

Manager of The Stock Exchange of Thailand Union Petrochemical Public Company Limited and its subsidiaries would like to describe and analyze the financial situation and business operation for Quarter 1/2018

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

set-q2-61 (Translation) LEE 10/2018 14 August 2018 Subject : Management Discussion and Analysis for the second quarter ended June 30, 2018 To : President of The Stock Exchange of Thailand We submit