December 3, 2018 Re: Assistance financial to the related companies. To: Director and Manager of Stock Exchange of Thailand According to the Board of meeting of D.T.C. Industries Plc. No. 6/2018 on

1/5 Ref. 4/2019 January 11, 2019 Subject : The acquisition of investment in Ramkhamhaeng Hospital PCL. To : Director and Manager The Stock Exchange of Thailand The Board of Directors Meeting

งานที่เกี่ยวของ 1 ทดสอบผานกฎระเบียบและมาตรฐาน การปฏิบตัิงานที่เกี่ยวของ 1.CISA I ขึ้นไป / CFA I ขึ้นไป / CFP (Certified Financial Planner) / FRM (Financial Risk Manager) (เดิม CISA I ขึ้นไป / CFA I

( Translation ) Ref. No. HARN 011/2019 14 November 2019 Subject: Notification about Related Parties Transaction To: Director and Manager The Stock Exchange of Thailand (“the SET”) The committee of

-month period ended March 31, 2020 To: Director and Manager of the Stock Exchange of Thailand Referring to the submission of the reviewed financial statements for quarter 1/2020 of WIIK Public Company

No. MVP038/2020 May 15, 2020 Subject: Management Discussion and Analysis for the three - month period ended 31 March 2020 To: President and Manager The Stock Exchange of Thailand M Vision Public

period ended June 30, 2020 To: Director and Manager of the Stock Exchange of Thailand Referring to the submission of the reviewed financial statements for quarter 2/2020 of WIIK Public Company Limited

EKH/CS/2020/030 11 August 2020 Subject: Management Discussion and Analysis for the Second Quarter 2020 results To Directors and Manager The Stock Exchange of Thailand Ekachai Medical Care Public

: Directors and Manager, The Stock Exchange of Thailand N.D. Rubber Public Company Limited (“the Company” or “NDR”) would like to present the MD&A for the Three-Month period ended 31 March 2020 which was

หนังสือแสดงการรับทราบความผิด 1 13 August 2020 Subject : Management Discussion and Analysis of the second quarter 2020 ended 30 June 2020 Attn. : Director and Manager The Stock Exchange of Thailand