SN.LK. 005/2019 February 21, 2019 Subject : Management Discussion and Analysis for the year ended 31 December 2018 Attn : The President The Stock Exchange of Thailand Indara Insurance Public Company

- Translation – No. M06/001/19 February 25, 2019 Subject Clarification on Y2018 Company Performance To The President of the Stock Exchange of Thailand Reference MDX Public Company Limited and its

- English Translations - No. M06/012/2020 February 27, 2020 Subject Clarification of Year/2019 Company Performance To The President of the Stock Exchange of Thailand MDX Public Company Limited (“MDX

-Translation- NO. ED-MD2020-0004 February 24th, 2020 Subject: Clarification of changes in excess of 20% in the operating results for year ended 2017 To: Director and General Manager The Stock

August 10, 2017 SET-17-AC-003 Dear The President The Stock Exchange of Thailand Subject: Clarification of Result’s Operation for the three months ended 30 June 2017 According to the resolution of

August 10, 2017 SET-17-AC-003 Dear The President The Stock Exchange of Thailand Subject: Clarification of Result’s Operation for three months periods ended 30 June 2017 According to the resolution of

No. INGRS001 15 September 2017 Re: Explanation about 6-month financial performance of INGRS for the period ended 31 July 2017 To the President of the Stock Exchange of Thailand Ingress Industrial

No UN/SET/HO/A61/011503 15th January 2018 Subject: Clarification of the Connected Transaction in the company’s asset disposal Attention: President of the Stock Exchange of Thailand Unique Engineering

February 22, 2018 SET-18-AC-001 Dear The President The Stock Exchange of Thailand Subject: Clarification of Result’s Operation for the year ended 31 December 2017 According to the resolution of BKD’s

จดหมายชี้แจงปี61e February 27, 2019 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis Ending 31 December 2018 Summary of operating result between 2018