of Governors of the Stock Exchange of Thailand Reference is made to the resolutions of the Board of Directors’ Meeting No. 6/2018 of Master Ad Public Company Limited (the “Company”), held on May 17

No: AH 02022022 February 28, 2022 Subject: Management Discussion & Analysis (MD&A) for the financial statements of fiscal year 2021 ended as of December 31, 2021 To: The President The Stock Exchange of

Transaction on Acquisition of Assets and Determination of the 2020 Annual General Meeting of Shareholders To: Director and Manager The Stock Exchange of Thailand Enclosure 1. Information Memorandum on the

1/2 (Translation) Ref. HPIR 004/2018 February 28, 2018 Subject : Management Discussion and Analysis for the year ended December 31, 2017 To : The President The Stock Exchange of Thailand Duplicate

Acc. 005/2018 May 10, 2018 To: The President The Stock Exchange of Thailand Subject: Management discussion and analysis (MD&A) for Quarter 1/2018 Dear Sir, S. Khonkaen Foods Public Company Limited or

the Quarter ended March 31, 2018 To : Director and Manager Stock Exchange of Thailand Abico Holdings Public Company Limited would like explanation about the Company’s financial performance and operation

Registration No. : 0107535000371 No. L001/2019 20th February 2019 Subject : The explanation of operating results for the year 2018 Attention : The President The Stock Exchange of Thailand Dear Sir, For the year

-4124 MMS-AC62/004 February 22, 2019 Subject Management discussion on 2018 operating results To The President of Stock Exchange of Thailand For 2018 operating performance, which was audited by the

February 26, 2019 Subject: Management Discussion and Analysis For the year ended December 31, 2018 To: The President, The Stock Exchange of Thailand Home Pottery Public Company Limited (“The Company

Page 1 Date 25 February 2020 Re: Management Discussion & Analysis for the Year Ended 31 December 20020 To The President of the Stock Exchange of Thailand (SET) CHAOPRAYAMAHANAKORN PUBLIC COMPANY