June 30, 2020 To The President The Stock Exchange of Thailand Management’s Discussion and Analysis Consolidated Financial Statements For six months ended June 30, 2020 Overall Group Performance Table 1

quarter of 2021 To The President The Stock Exchange of Thailand We, Zen Corporation Group Public Company Limited (“the company”), are pleased to provide you our management discussion and analysis for the

[COMPANY NAME] Ref.: EFORL IR007/2020 March 4, 2020 Subject: Management Discussion and Analysis Yearly Ending 31 December, 2019 To President The Stock Exchange of Thailand 1. Overview financial

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13 February 2020 Subject Management Discussion and Analysis for the three months ended March 31, 2020 To The President The Stock Exchange of Thailand Do Day Dream Public Company Limited (the “Company

คำอธิบายและการวิเคราะห์ของฝ่ายจัดการ 15 May 2020 Re: To clarify the financial statements as of 31 March 2020 To: President The Stock Exchange of Thailand WHA Corporation Public Company Limited (the

% Debt to equity (times) 0.3 0.4 Asset turnover (times) 0.7 0.4 Remark:  Financial ratios were calculated based on The Stock Exchange of Thailand’s formula. MANAGEMENT OUTLOOK The COVID-19 pandemic has

3rd Quarter of 2019 and 9-months period ending 30 September 2019 To The President The Stock Exchange of Thailand We, ZEN Corporation Group Public Company Limited (“the Group”), are pleased to provide

Exchange of Thailand (SET) R&B Food Supply Public Company Limited and its subsidiaries would like to notify the operating results stated in consolidated financial statements for the third Quarter and nine

May 12, 2022 Subject: Management’s Discussion and Analysis for 1st quarter of 2022 ended as of March 31, 2022 Attention: President The Stock Exchange of Thailand AI Energy Public Company Limited (“the