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

  246016752202-1 GJS NIPPON STEEL CORPORATION Chain principle Stock 0 0 0 09/02/2022 0 0 0   246016642202-1 GJS Miss Aroonsri Rattanatanyaporn Acquisition Stock 4.8691 0.1369 5.006 24/01/2022 4.8691 0.1369 5.006

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

1 / 2 IR.019/2017 15 August 2017 Re: Clarification on the change of 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

Ref: AC.037/2019 23 December 2019 Subject Notification of the resolutions of the Board of Directors’ Meeting No.7/2019 To President and Managers The Stock Exchange of Thailand Forth Corporation

Ref: AC.037/2019 23 December 2019 Subject Notification of the resolutions of the Board of Directors’ Meeting No.7/2019 (Additional) To President and Managers The Stock Exchange of Thailand Forth