acquisition transaction of the company and subsidiary. Attention: President Stock Exchange of Thailand Enclosures: 1. Summary of Adjustment of the Exercise Ratio by adjusting Number of ORI- W1 2. Information

for the year ended December 31, 2019 To Director and Manager of the Stock Exchange of Thailand Referring to the submission of the audited financial statements of WIIK Public Company Limited “the Company

General Meeting of Shareholders, Dividend Payment and Connected Transaction Attn: President, the Stock Exchange of Thailand The Board of Directors Meeting of Vinythai Public Company Limited No. 1/2018, held

-1- AIT (VP-SEC) 005E/2022 21 February 2022 Subject: Management's Discussion and Analysis of Operating Results for the year 2020 and Q4-2020 To: The President of the Stock Exchange of Thailand

-1- AIT (VP-SEC) 005E/2022 21 February 2022 Subject: Management's Discussion and Analysis of Operating Results for the year 2021 and Q4-2021 To: The President of the Stock Exchange of Thailand

Ref Ref. HF 0021 / 2018 February 23rd, 2018 Subject : Notification of the resolution of the Board of Directors No. 1/2018 (Edit) To : Director and Manager of The Stock Exchange of Thailand We, Hwa

/2018) To : Director and Manager of The Stock Exchange of Thailand We, Hwa Fong Rubber (Thailand) Public Company Limited, would like to notify the resolution of the Board of Directors Meeting No.1/2018

Discussion and Analysis for year 2015 as of December 31, 2015 (SEC to edit) (2nd Revision) Attention: President The Stock Exchange of Thailand AI Energy Public Company Limited (AIE) would like to submit the

Page 1 of 5 26 February 2019 Subject Management Discussion and Analysis for the year ended December 31, 2018 To : The President The Stock Exchange of Thailand WICE Logistics Public Company Limited

1 No. CC20200203ELE February 28, 2020 Subject Report of the Resolutions of Board of Directors’ Meeting No.1/2020 To President The Stock Exchange of Thailand The Board of Directors of Cal-Comp