Translation CEN 001-2020 March 2, 2020 Subject Management Discussion and Analysis for business operation of year 2019 To The Manager and President The Stock Exchange of Thailand Business operation as

page1 from 4 13 May 2020 Subject : Management Discussion and Analysis Quarter 1 Ending 31 Mar 2020 To : The President The Stock Exchange of Thailand WICE Logistics Public Company Limited would like

1 RP-AC 003/2020 AUGUST 14, 2020 Subject: Clarification of the operating results for the second quarter of 2020 To: Directors and Managers of the Stock Exchange of Thailand Richy Place 2002 Public

Earth Tech Environment Public Company Limited Page 1 17th August 2020 Subject Management Discussion and Analysis Financial Performance for the quarter ended 30th June 2020 To President The Stock

-1- AIT (VP-SEC) 012E/2021 May 6, 2021 Subject: Management's Discussion and Analysis of Operating Results for Q1-2021 To: The President of the Stock Exchange of Thailand Summary of Operations Q1–2021

the Agenda of the Extraordinary General Meeting of the Shareholders No. 1/2019. (Amendment 3) To : The Directors and Managing Director. The Stock Exchange of Thailand. The Board of Director‟s Meeting of

entering into Material Transactions Deemed as Acquisition or Disposal of Assets and Notification of the Board of Governors of the Stock Exchange of Thailand Re: Disclosure of Information and other Acts of

คำอธิบายและการวิเคราะห์ของฝ่ายจัดการ 10 May 2018 Re: To clarify the financial statements as of 31 March 2018 To: President The Stock Exchange of Thailand WHA Corporation Public Company Limited (the

December 2019 To : The President The Stock Exchange of Thailand Bangkok Chain Hospital Public Company Limited (the “Company”) would like to report the operating results for year ended 31 December 2019 which

-Translation- Ref. WINNER 006/2020 February 27, 2020 Subject: Management Discussion and Analysis (MD & A) for the year 2019 To: The President The Stock Exchange of Thailand 1. Analysis of Overall