Management discussion of three-month operating result ending March 31, 2020 To The President of the Stock Exchange of Thailand Matching Maximize Solution Public Company Limited (the Company) would like to

ไตรมาส 1 ปี 2562 จ านวน 56 ลา้นบาท และรายไดก้ลุ่มแบบพิมพก์ระดาษต่อเน่ืองและ กระดาษส านกังาน (Stock forms & Office Paper Trading) ลดลง รายได้ บริษัท ท.ีเค.เอส. เทคโนโลย ีจ ากดั (มหาชน) ค าอธิบายและการวเิครา

DEMCO 012 operating result Q 1-63 E DEMCO Public Company Limited No. Demco AC002/2020 May 18, 2020 Subject : The company’s operating result for the quarter 1/2020 To : The president, The Stock

and Analysis Quarterly Ending June 30, 2020 To : The President The Stock Exchange of Thailand The Board of Directors meeting of Ratchaphruek Hospital Public Company Limited (the Company) No. 4/2020

Acc. 005/2020 August 10, 2020 To: The President The Stock Exchange of Thailand Subject: Management discussion and analysis (MD&A) for Quarter 2/2020 Dear Sir, S. Khonkaen Foods Public Company Limited

Ref : JSP 035/2563 August 10, 2020 Subject : Report the operating results for the 2nd quarter ended June 30, 2020 To : The President The Stock Exchange of Thailand Dear Sir, Re. Operating report for

No. KK ELCID 2563/001 October 6, 2020 Subject: Management Discussion and Analysis for the second quarter ended June 30, 2020 To: President The Stock Exchange of Thailand K&K Superstore Southern

26 October 2020 To: The President The Stock Exchange of Thailand Re: Q3-2020 Operating Results We, Delta Electronics (Thailand) Public Company Limited (the “Company”) would like to notify the

27 April 2021 To: The President The Stock Exchange of Thailand Re: Q1-2021 Operating Results We, Delta Electronics (Thailand) Public Company Limited (the “Company”) would like to notify the Company’s

of the meeting relation to the acquisition land and buildings at Chiengrai and paying off with shares of WCI Holding PCL., held by EFORL. To: President The Stock Exchange of Thailand CC: Secretary The