/2018 February 15 , 2018 Re: Management Discussion and Analysis (MD&A) For Year 2017 Attn: President The Stock Exchange of Thailand Baan Rock Garden Public Company Limited wishes to clarify the Company’s

, Samutprakarn 10280, Thailand Tel. 66 2323 1085..96 Fax. 66 2323 9283 (Translation) 14 May 2019 Subject: Management Discussion and Analysis (MD&A) of Q1/2019 To: Director and manager The Stock Exchange of

-7186 www.rockgarden.co.th BROCK : 36 / 2020 August 13, 2020 Re : Management Discussion and Analysis (MD&A) For Quarter 2 / 2020 Attn : President The Stock Exchange of Thailand Baan Rock Garden Public

(as of January 6, 2022) are categorised into: companies that have declared their intention to join CAC, and companies certified by CAC. 4  The Stock Exchange of Thailand : the record of listed companies

offering of warrant to purchase ordinary shares of the Company to existing shareholders and joint ventures in subsidiary. (Edited) To: The President The Stock Exchange of Thailand Enclosure 1. Capital

-Translated Version- No. ECF2 026/2019 May 15, 2019 Subject: Management Discussion and Analysis of the 1st quarter ended 31 March, 2019 To President The Stock Exchange of Thailand East Coast

contents are written and underlined in blue. No. ORI 66/2017 1 November 2017 Subject: Resolutions of Board of Directors Meeting No. 12/2017 Attention: President Stock Exchange of Thailand Enclosures: 1

Exchange of Thailand According to the Board of Directors Meeting of Bangkok Dec-Con Public Company Limited (the "Company") No. 9/2018 held on 28 November 2018 has approved a change in the method of payment

YONG THAI PUBLIC COMPANY LIMITED 633/14 Sathupradit Road, Yannawa, Bangkok 10120 Thailand Tel. (662) 2943364-8, Fax : (662) 2943373 YTC 25/2019 November 14, 2019 To : The President The Stock Exchange

With the case referral from the Stock Exchange of Thailand (SET) and the SEC’s further investigation, it was found that the four offenders, namely (1) Mr. Win Udomrachtavanich, (2) Mr. Ratachai