- Translation - 11 August 2017 Subject: Management’s Discussion and Analysis for the Operating Results of the Second Quarter of 2017 Attention: The President of the Stock Exchange of Thailand Exotic

/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

No No. CC20190204ELE February 27, 2019 Re: Clarification of the changes in operation performance for the year ended 31 December 2018 Attn: The President The Stock Exchange of Thailand Cal-Comp

YONG THAI PUBLIC COMPANY LIMITED 633/14 Sathupradit Road, Yannawa, Bangkok 10120 Thailand Tel. (662) 2943364-8, Fax : (662) 2943373 YTC 1/2019 February 28, 2019 To : The President The Stock Exchange

ที่ กบร No. Lor Gor. 023/2020 November 16, 2020 President The Stock Exchange of Thailand Re : Clarification on the company’s over 20% change in its operating results for 3rd quarter, 2020 Dear Sir

Microsoft Word - MD&A 2017 EN.doc EFORL IR010/2018 March 20, 2018 Subject: Management Discussion and Analysis Yearly Ending 31 December, 2017 To President The Stock Exchange of Thailand 1. Overview

[COMPANY NAME] EFORL IR010/2018 March 20, 2018 Subject: Management Discussion and Analysis Yearly Ending 31 December, 2017 To President The Stock Exchange of Thailand 1. Overview financial

repayment of short- term borrowings from financial institutions by using money gained from trading of its ordinary shares in the MAI stock exchange. • Other current assets decreased by Baht 35.06 million

หน้า 1 จาก 1 Translation May 8, 2018 Subject: Management explanation and analysis for Quarter ended 31 March 2018 Attn: The Managing Director, the Stock Exchange of Thailand Pacific Pipe Public

Director and Manager The Stock Exchange of Thailand The Company would like to report the Company’s operating result for the 1st Quarter ended March 31, 2018 that total revenue was THB8.24 million decreased