1 Ref: AC.042/2017 14 November 2017 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

คำอธิบายและการวิเคราะห์ของฝ่ายจัดการ 9 May 2019 Re: To clarify the financial statements as of 31 March 2019 To: President The Stock Exchange of Thailand WHA Corporation Public Company Limited (the

No. CAZ 017/2020 07 August 2020 Subject: Management Discussion and Analysis for the 2nd Quarter ended 30 June 2020 Attention: The President, The Stock Exchange of Thailand CAZ (Thailand) Public

& Administrative expenses (54.81) -7.0% (66.44) -10.0% (66.97) -9.1% 0.8% 22.2% Operating profit 102.99 13.2% 53.68 8.1% 81.14 11.0% 51.2% -21.2% Other income 68.61 8.8% 67.79 10.2% 64.92 8.8% -4.2% -5.4% Sales

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

to investors in private placement, the acquisition of assets and convening the Extraordinary General Meeting of the Shareholders No. 1/2018 (Revise) To : President, The Stock Exchange of Thailand

to investors in private placement, the acquisition of assets and convening the Extraordinary General Meeting of the Shareholders No. 1/2018 (Revise 2) To : President, The Stock Exchange of Thailand

Ref. No. IVL 003/02/2019 26 February 2019 The President The Stock Exchange of Thailand Subject: Submission of Annual Audited Financial Statements and the Management Discussion and Analysis of

Stock Exchange of Thailand Enclosure: Information Memorandum regarding the Acquisition of Asset of Demeter Corporation Public Company Limited The Meeting of the Board of Directors No. 8/2017 of Demeter

specific line items presented should be expressed in the same manner as the corresponding line items in the issuer's financial statements. Such data shall include, at a minimum, net sales or operating