No. INGRS050 15th June 2020 Subject : Explanation on 3-months financial performance of INGRS for the period ended 30 April 2020 To : The President The Stock Exchange of Thailand Ingress Industrial

1 - TRANSLATION - (Q-Con) 0012/2020 August 10, 2020. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis the second quarter ended 30 June 2020

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comply with international standards and be recognized in the global community. Also, the capital market is a key driver of the national financial system. The FSAP involved two main separate assessment

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-months period ending 31 March 2019 To The President The Stock Exchange of Thailand We, ZEN Corporation Group Public Company Limited (“the Group”), are pleased to provide you our management discussion and

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1 Ref: AC.024/2019 3 August 2019 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

1 Ref: AC.017/2018 14 May 2018 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating

2017 To : Directors and Manager The Stock Exchange of Thailand According to the resolution of the meeting of the Board of Directors No.8/2017 of Wattanapat Hospital Trang Public Company Limited (“the