Ref. DBP. 111 / 2020 August 10, 2020 Subject : Clarification on Operating Results for the 2nd quarter and 6-month period ending June 30, 2020 To : President The Stock Exchange of Thailand Diamond

. 1/2018 (Amendment No.2) To The President The Stock Exchange of Thailand Attachment 1. Information Memorandum regarding the Offering and Allocation of the Newly Issued Shares of Ocean Commerce Public

Meeting of Shareholders No. 1/2018 (Amendment No.1) To The President The Stock Exchange of Thailand Attachment 1. Information Memorandum regarding the Offering and Allocation of the Newly Issued Shares of

documents, and to contact with relevant government sectors, such as Bank of Thailand, the Securities and Exchange Commission, the Stock Exchange of Thailand. In addition, details of the aforementioned

. 1/2018 To The President The Stock Exchange of Thailand Attachment 1. Information Memorandum regarding the Offering and Allocation of the Newly Issued Shares of Ocean Commerce Public Company Limited to

Extraordinary General Meeting of Shareholders No.1/2019 (EGM 1/2019) To: The President of the Stock Exchange of Thailand Attachment: 1. Information Memorandum of the Purchase and Acquisition of Entire Business

) To: President The Stock Exchange of Thailand Enclosure: Information Memorandum on the Asset Disposal, Schedule 1 of Rich Asia Corporation Public Company Limited Reference to the Board of Directors

Stock Exchange of Thailand Filter Vision Public Company Limited and its subsidiaries (Hereinafter called “The Group”) would like to submit Management’s discussion and analysis for the Year 2017 with the

2020 To : The President The Stock Exchange of Thailand Bangkok Chain Hospital Public Company Limited (the “Company”) would like to report the operating results for the first quarter ended 31 March 2020

2nd quarter of 2020 and 6-month period ended 30 June 2020 To The President The Stock Exchange of Thailand We, Zen Corporation Group Public Company Limited (“the Group”), are pleased to provide you our