2019-11-14 - ชี้แจงเปลี่ยนแปลงมากกว่า 20% Q3-2562 - ENG November 14, 2019 Subject: The clarification of the quarter 3/2019’s profit changing more than 20% Attention: The President The Stock Exchange

- 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

- Translation - MPIC 014/2017 November 8, 2017 Subject: Submit the Financial Statement for the quarter ended September 30, 2017 and clarification for the change of operating result more than 20

แฟกซ.์ 0-4332-7776 E-mail: kcmetalsheet@hotmail.com Website: www.kcmetalsheet.co.th No. KCM 60/009 13 November 2017 Subject Clarification of operating result for 3rd Quarter 2017 ended of 30 September

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

- Translation - MPIC 002/2018 February 14, 2018 Subject: Submit the Year End Financial Statement ended December 31, 2017 and clarification for the change of operating result more than 20% Attention

.์ -4332-7776 E-mail: kcmetalsheet@hotmail.com Website: www.kcmetalsheet.co.th No. KCM61/002 February 28, 2018 Subject Clarification of operating result for the year 2017 ended December 31, 2017 Attention

set-q4-61 (Translation) Ref.No.LEE 02/2019 27 February, 2019 Subject : Management Discussion and Analysis for the year ended December 31, 2018 To : President of The Stock Exchange of Thailand We

Our Ref: APURE 008/2019 10 May 2019 Subject Clarification on First Quarter’s Operating Performance (1/2019) Attn. To The Director and President of the Stock Exchange of Thailand The company clarifies