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

) ................................................................................................................................................................ 2. Type of the Applicant:  Juristic person established under Thai Law  Limited company  Public limited company  Stock Exchange of Thailand  Over-the-counter trading center  Association related

E_1 Legal_FA_2015_12_29-c A WCorpL4.1hig A Executive Summary of Management Discussion and Analysis 1 For the Year Ending December 31, 2018 In 2018, the overall Thai economy maintained its growth due largely to healthier growth of exports and tourism, especially in the first half of the year. Meanwhile, the government continued to implement measures to promote and strengthen the domestic economy through support of investment and private spending as well as bolstering opportunities for other econo...

measures to tame the volatility. At the same time, Thai stock markets plunged throughout the quarter amid investors’ risk-off sentiment and a slump in oil prices due to disagreement on oil production between

Assets and Connected Transaction for the Entire Business Transfer and Allocation of Securities to the Specific Investor (Private Placement) To The President The Stock Exchange of Thailand Attachment 1

-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

provision of services by the Stock Exchange of Thailand and a securities trading center not participating in the regulatory sandbox , and that the service user’s consent is required prior to provision of such

conditions different from the provision of services by the Stock Exchange of Thailand and a securities trading center not participating in the regulatory sandbox, and that the service user’s consent is

005/2017 24 November 2017 Subject: Informing on the acquisition of assets of ZIGA Innovation Public Company Limited Attention: The President The Stock Exchange of Thailand Attachment: Disclosure of

Microsoft Word - ACE MDA Q419 - ENG - Final 1 No. ACE-ACC-1/2020 24 February 2020 Subject Management Discussion and Analysis for the year ended 31 December 2019 To President The Stock Exchange of