Deemed as Acquisition or Disposal of Assets dated August 31, 2008 and the Notification of the Board of Governors of the Stock Exchange of Thailand Re: Disclosure of Information and Other Acts of Listed

the resolution of approving the delisting of GLOW’s from being the listed securities on the Stock Exchange of Thailand. The company has informed the Stock Exchange of Thailand (SET) to make a tender

Acquisition. To: The President The Stock Exchange of Thailand Enclosure 1. Information Memorandum on the Acquisition of Assets of Hydrotek Public Company Limited 2. Capital Increase Form (F 53-4) 3. Information

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

., and Schedule for the EGM of Shareholders No. 1/2019 To: The President The Stock Exchange of Thailand Enclosure: 1. Information Memorandum of Hydrotek Public Company Limited on Disposal of Assets and

654 3323 No. PACE 201711/01 Date: 14 November 2017 Subject: Explanation of the Operating Results for the Third Quarter of the Year 2017 (Q3 2017) Changing over 20% To: The President The Stock Exchange

latter decreased in production due to the adjustment stock management to suitable with the decrease in HRC market price worldwide. - Gain on exchange rate was achieved of THB 193 million in Q2-2017, which

shares traded on the Stock Exchange of Thailand (the “SET”) for 7 consecutive days prior to the date on which the Board of Directors resolved to propose the said offering for approval at the Extraordinary

Transactions Deemed as Acquisition or Disposal of Assets dated August 31, 2008 (as amended) and the Notification of the Board of Governors of the Stock Exchange of Thailand Re: Disclosure of Information and

1 Ref: AC.021/2018 14 August 2018 Subject: Management discussion and analysis of financial position and operating results To: President and Manager The Stock Exchange of Thailand Overall operating