Hero Experience Company Limited on Shareholding Proportion (Revised) To: President The Stock Exchange of Thailand According to the fact that Demeter Corporation Public Company Limited (the “Company”) has

1 JSP 032/2563 (OOP) Date: 24 June 2020 Re: Notification of the connected transaction-renew from connected person Attn: The President The Stock Exchange of Thailand The Board of Director’s Meeting No

November 14, 2017 Subject : Management Discussion and Analysis of 3rd quarter ended September 30, 2017 Attention : President The Stock Exchange of Thailand Operating Performance . Revenues Three

Exchange of Thailand The Board of Directors Meeting of Ladprao General Hospital Public Company Limited (the “Company”), No.5/2019, held on November 13, 2019, has approved the financial statements of the

recycled product, in Vientiane, Lao PDR (Vientiane Waste Management : VWM). To: The President The Stock Exchange of Thailand Enclosure: Information Memorandum on the Acquisition of Assets of UAC Global PLC

1 10 November 2017 Subject: Explanation of operating result in the financial statement ended 30 September 2017 To: Directors and Managers of the Stock Exchange of Thailand With reference to the

May 15, 2020 Subject : Management Discussion and Analysis for 1st quarter ended March 31, 2020 Attention : President The Stock Exchange of Thailand 1. Operating Performance 1.1 Revenues Consolidated

August 11, 2020 Subject : Management Discussion and Analysis for Six-month and 2nd quarter ended June 30, 2020 Attention : President The Stock Exchange of Thailand Operating Performance 1. Revenues

- Translation - Ref : LPH/SET 2020/009 May 13, 2020 Subject : Clarification on the Operating Results for the three-month period ended March 31, 2020 (Q1/2020) To : President The Stock Exchange of

to avoid impact incurred from a decline in the price of DCON's share before DCON disclosed such information to the Stock Exchange of Thailand (SET) on 23 February 2017 at 9.13 p.m. and 9.20 p.m