No. Lor Gor. 004/2020 May 11, 2020 President The Stock Exchange of Thailand Re : Credit guarantee to A Tech Textile Co., Ltd. on shareholding proportion Ref : Document no. Kor Bor Ror. 008/2018 dated

หนังสือแสดงการรับทราบความผิด 14 May 2020 Subject : Management Discussion and Analysis of the first quarter 2020 ended 31 March 2020 Attn. : Director and Manager The Stock Exchange of Thailand Encls

1 Translation CEN 012-2020 May 15, 2020 Subject : Management discussion and analysis for business operation Quarter 1-2020 To : The Manager and President The Stock Exchange of Thailand Summarization

October 30, 2020 Subject: The Management Discussion and Analysis for the year ended 31st December 2019 To: President The Stock Exchange of Thailand Well Graded Engineering Public Company Limited (“the

Page 1 Date 11 November 2020 Re: Management Discussion & Analysis for the 9-months period Ended 30 September 2020 To The President of the Stock Exchange of Thailand (SET) CHAOPRAYAMAHANAKORN PUBLIC

Page 1 No. CMC Sor Lor.013/2019 Date 12 November 2019 Re: Management Discussion & Analysis for the Period Ended 30 September 2019 To The President of the Stock Exchange of Thailand (SET

in conjunction with Section 33, Section 34, Section 41, Section 43, Section 44 and Section 64 of the Constitution of the Kingdom of Thailand so permit by virtue of law, the Securities and Exchange

are domiciled in Thailand and at least one person shall be an independent director under (b); (b) the number of independent directors must be one-thirds of the total directors of the applicant at a

หน้า 1 ของ 3 (Translation) No. ACC6702/001 February 28, 2024 Subject: Clarification of operating results for the Annual Year 2023 (Revised) To: The President, The Stock Exchange of Thailand Advanced

that NAUTIC has the accounting value and the fair value below zero may be a reason to suspect that NAUTIC may lack the capability to continue business operation in the long run;  (3)  It is unnecessary