December 27, 2017 Re: Notification of the Progress on the Investment in Hero Experience Co., Ltd. To: President The Stock Exchange of Thailand As Demeter Corporation Public Company Limited (the “Company

Rich Asia Corporation Public Company Limited and subsidiaries would like to clarify the results of the year ended June 30, 2018 according to the regulation of The Stock Exchange of Thailand as follow: 1

operating results change from the same period last year by more than 20% To: President The Stock Exchange of Thailand Rich Asia Corporation Public Company Limited and subsidiaries would like to clarify the

Subject: Clarification of 3rd Quarter 2019 operating results that posted a difference greater than 20% from the preceding year To: Director and Manager the Stocks Exchange of Thailand World corporation

Analysis for the first quarter ended March 31, 2020 are different from the same period last year more than 20% To: The President, The Stocks Exchange of Thailand World Corporation Public Company Limited

November 1, 2017 Re: Clarification on Extension of the Acquisition and Subscription of Shares in Hero Experience Co., Ltd. To: President The Stock Exchange of Thailand As Demeter Corporation Public Company

1 / 2 IR.011/2019 14 May 2019 Re: Notification of the changes of the Profit and Loss Statement To President The Stock Exchange of Thailand T Engineering Corporation Public Company Limited (the

results different from the same period last year more than 20% To: President The Stock Exchange of Thailand Rich Asia Corporation Public Company Limited and subsidiaries would like to clarify the results of

Rich Asia Corporation Public Company Limited and subsidiaries would like to clarify the results of the year ended March 31, 2018 according to the regulation of The Stock Exchange of Thailand as follow: 1

หน้า 1 ของ 3 (Translation) No. ACC6511/001 November 14, 2022 Subject: Clarification of operating results for the third quarter of 2022 To: The President, The Stock Exchange of Thailand Advanced