ที่ FPI Ref. FPI.002/2564 8st March 2021 Subject : Management Discussion & Analysis of Performance Results of the year ended 2020 To : Board of Directors and President of The Stock Exchange of

explanation and analysis Quarter 1/2021 ending 31 March 2021 Attention: The President of, The Stock Exchange of Thailand Ziga Innovation Public Company Limited (“the Company”) manufactures and distributes Pre

R&B Food Supply Public Company Limited 15 May, 2020 Re Management Discussion and Analysis for the First Quarter ended March 31, 2020 Attn. The President The Stock Exchange of Thailand (SET) R&B Food

(Translation) UAC.CS/015/2020 August 14, 2020 Subject: Explanation of the operating results for the second quarter period ended June 30, 2020 To: President The Stock Exchange of Thailand Attachment

November 11, 2020 Subject: Management’s Discussion and Analysis for the third quarter of 2020 To: The President The Stock Exchange of Thailand (SET) DOD Biotech Public Company Limited and its subsidiaries

The Stock Exchange of Thailand Aapico Hitech Public Company Limited (“the Company”) would like to explain the consolidated financial statements of the Company for the 3rd quarter of fiscal year 2021

No: AH 03052022 May 17, 2022 Subject: Management Discussion & Analysis (MD&A) for the Financial Statements of the 1st Quarter of Fiscal Year 2022 Ended as of March 31, 2022 To: The President The Stock

operating results for the 3-month period and 6-month period ending June 30, 2017 To : President The Stock Exchange of Thailand Diamond Building Products Public Company Limited and its Subsidiary (together

Ref. DBP. 141 / 2017 November 13, 2017 Subject : Clarification on Operating Results for the 3-Month Period and 9-Month Period ending September 30, 2017 To : President The Stock Exchange of Thailand

  March 20, 2018 Subject The amendment of Information Memorandum on Acquisition of Assets To President The Stock Exchange of Thailand According, Bangkok Dec-con Public Company Limited has reported