: President The Stock Exchange of Thailand Since the Board of Directors of Filter Vision Public Company Limited (“the Company” or “FVC”) dated December 14, 2017 resolved to approve the signing of Hi Healthcare

Limited (the “Company”) Board of Director Meeting No.5/2018 on 12 November 2018, the resolution to certify the Company’s financial statements and performance for the third quarter ending 30 September 2018

October 30, 2020 Subject: The Management Discussion and Analysis for the second quarter ended June 30, 2020 To: President The Stock Exchange of Thailand Well Graded Engineering Public Company Limited (“the

October 30, 2020 Subject: The Management Discussion and Analysis for the year ended 31st December 2019 To: President The Stock Exchange of Thailand Well Graded Engineering Public Company Limited (“the

November 13, 2020 Subject: The Management Discussion and Analysis for the third quarter ended September 30, 2020 To: President The Stock Exchange of Thailand Well Graded Engineering Public Company Limited

Management Discussion and Analysis Q1/2018 Page 1/4 JAS Asset Public Company Limited - Translation - IR61/006 10 May 2018 Subject: Management Discussion and Analysis, 1st Quarter Ending 31 March 2018

ZIGA INNOVATION PUBLIC COMPANY LIMITED 999/9,10,11 MOO 9 NAIKLONGBANGPLAKOD, PHASUMUDJADEE, SAMUDPRAKARN 10290 Tel. 02-816-9315 Fax. 02-816-9315 #444 NO. ZIGA 002/2019 15 February 2019 Subject

บริษัท ทาคูนิ กรุ๊ป จ ากดั (มหาชน) เลขท่ี 140/1 ถนนกาญจนาภิเษก แขวง/เขตบางแค จังหวัดกรุงเทพฯ 10160 โทร. 02-455-2888 แฟกซ์. 02-455-2763 TAKUNI GROUP PUBLIC COMPANY LIMITED 140/1 KHANJANAPISEK RD

Management Discussion and Analysis, Q1/2019 Page 1/4 JMT Network Services Public Company Limited - Translation - Ref: IR62/007 9 May 2019 Subject: Management Discussion and Analysis, 1st Quarter

With reference to the Board of Directors of Central Pattana Public Company Limited (8CPN9) in meeting No. 4/2017 held on 31 May 2017, the Board has passed the resolution to approve with the condition for