Ref Ref. HF 0021 / 2018 February 23rd, 2018 Subject : Notification of the resolution of the Board of Directors No. 1/2018 (Edit) To : Director and Manager of The Stock Exchange of Thailand We, Hwa

/2018) To : Director and Manager of The Stock Exchange of Thailand We, Hwa Fong Rubber (Thailand) Public Company Limited, would like to notify the resolution of the Board of Directors Meeting No.1/2018

Director, schedule date for the Extraordinary General Meeting No.2/2017 (Revised) To: The President, The Stocks Exchange of Thailand According to the Board of Directors’ Meeting of World Corporation Public

Ref Ref. HF 0021 / 2018 February 23rd, 2018 Subject : Notification of the resolution of the Board of Directors No. 1/2018 To : Director and Manager of The Stock Exchange of Thailand We, Hwa Fong

President The Stock Exchange of Thailand The Board of Director’s Meeting No. 13/2018 of J.S.P. Property Public Company Limited, held on October 16, 2018 agree to approved the receive financial assistance from

-Translation- Ref. No. PorBor. 050 / 2019 December 27, 2019 Subject: Entering into Transaction of Acquisition of Associate Company’s ordinary shares To: President The Stock Exchange of Thailand

Definition of “Executives” under Chapter 3/1 of the Securities and Exchange Act B.E. 2535 (1992) as Amended by the Securities and Exchange Act (No. 4) B.E. 2551 (2008)

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

Rules, Conditions and Procedures for Filing of Annual Financial Statements and Preparation of Reports of the Stock Exchange of Thailand

Offering for Sale of Certificates Representing Interest from Underlying Securities by the Subsidiary of the Stock Exchange of Thailand