Ref. 66/2018 November 27, 2018 Subject : Waiver of rights to purchase ordinary shares of Dhipaya Bodin Co., Ltd. To : Director and Manager The Stock Exchange of Thailand The Board of Directors
(Edited Information Memorandum on the Acquisition of Assets) To President The Stock Exchange of Thailand Enclosure: Information memorandum regarding the acquisition of up to 40% shares of total paid-up
Manager The Stock Exchange of Thailand The Board of Directors Meeting of O.C.C. Public Company Limited No. 5/2561 held on October 17, 2018 had resolved to approve the purchase of ordinary shares of Shop
Ref. PDI/BK-BS-064/2019 12th November 2019 Re: Management Discussion and Analysis (MD&A) For the three-month and nine-month periods ended September 30, 2019 To: President The Stock Exchange of
President The Stock Exchange of Thailand Enclosure: Information memorandum regarding the acquisition of up to 40% shares of total paid-up capital in TSE Overseas Group Company Limited (List no. 1) Fortune
10, 2019 Subjects : The acquisition of ordinary shares of WPS (Thailand) Co., Ltd. increased 15% Attention : The Director and Manager of the Stock Exchange of Thailand The Board of Directors of Eastern
Exchange of Thailand (SET) Copy for : Secretary-general Securities and Exchange Commission Dear Sirs Union Pioneer Public Company Limited would like to inform on the 3rd type of related party transaction
of 50% or higher. Therefore, the Company is obliged to; (1) Disclosure of Information Regarding the Acquisition or Disposition of Assets of the Company to the Stock Exchange of Thailand ("SET"). (2
Ref.No.IVL001/08/2019 8th August 2019 President The Stock Exchange of Thailand Subject: Acquisition of Integrated Oxides and Derivatives Businesses/ Assets Enclosure: Information concerning the Acquisition of