SAAM Energy Development Public Company Limited - 1 - 13 February 2019 Subject: Management Discussion and Analysis for the year ended 31 December 2018 To: The President The Stock Exchange of Thailand

Analysis for the six-month period ended 30 June 2020 Thai Energy Storage Technology Public Company Limited (the “Company” or “3K-BAT”) hereby submits Pro forma consolidated financial information the six

ZIGA INNOVATION PUBLIC COMPANY LIMITED 999/9,10,11 MOO 9 NAIKLONGBANGPLAKOD, PHASAMUDJADEE, SAMUDPRAKARN 10290 Tel. 02-816-9315 Fax. 02-816-9315 #444 NO. ZIGA 009/2021 5 May 2021 Subject: Management

ที่ หทว No. Kor Bor Ror. 031/2017 November 9, 2017 President The Stock Exchange of Thailand Re : Entering transactions with connected parties for 2018 Dear Sir, Thai Wacoal Public Company Limited

Vision Public Company Limited and its subsidiaries (Hereinafter called “The Group”) would like to submit Management’s discussion and analysis for the 3rd Quarter 2017 with the summary as follows:- . Nature

subsidiary. As at 30 September 2018, the Company had consolidated liabilities increased from last year by Baht 244.73 million mainly from trade payables and short-term loans to support higher in working

ที่ หทว No. Kor Bor Ror. 018/2018 November 12, 2018 President The Stock Exchange of Thailand Re : Entering transactions with connected parties for 2019 Dear Sir, Thai Wacoal Public Company Limited

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

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

Panacee, and (6) Mrs. Chomsuda Rungruangnavarat, an authorized director of the company purchasing the NUSA condominium units, assisted persons under (1) – (4) in committing the offenses. The SEC’s findings