Microsoft Word - 2019 Results Notification letter_Eng _Final_ February 11, 2020 The Director and Manager The Stock Exchange of Thailand Re: Information concerning Fiscal Year 2019 Operating Results

-1- AIT (VP-SEC) 022E/2021 November 9, 2021 Subject: Management's Discussion and Analysis of Operating Results for Q3-2021 To: The President of the Stock Exchange of Thailand Summary of Operations Q3

Re: Approval for Investor Contacts and Standards of Conduct dated 3 December 2004; “Authorized officer” means any person who is registered by the Stock Exchange as agent of securities company to trade

working capital settlement in the amount of USD 1.3 million or approximately THB 42 million coming in this quarter. Other important events in this quarter:  The company has issued a senior unsecured

(Translation) UAC.CS/021/2018 November 14, 2018 Subject: Explanation of the operating results for the third quarter period ended September 30, 2018 To: President The Stock Exchange of Thailand

1 Ref: AC.031/2017 15 August 2017 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

under the Innovation Development Program to Support Provision of Capital Market Services [regulatory sandbox]. “fee” means a fee for undertaking business according to license; “Exchange” means the Stock

under the Innovation Development Program to Support Provision of Capital Market Services [regulatory sandbox]. “fee” means a fee for undertaking business according to license; “Exchange” means the Stock

under the Innovation Development Program to Support Provision of Capital Market Services [regulatory sandbox]. “ fee ” means a fee for undertaking business according to license; “ Exchange ” means the

คำอธิบายและการวิเคราะห์ของฝ่ายจัดการ 8 November 2019 Re: To clarify the financial statements as of 30 September 2019 To: President The Stock Exchange of Thailand As WHA Corporation Public Company