Microsoft Word - S_2019_GRC-02_025_S43 Share Acquisition_EN Page 1 – Translation – GRC-02/2019/025 11 December 2019 Subject: Report of the Asset Acquisition To: President The Stock Exchange of

Comments on: “Trading costs on the Stock Exchange of Thailand” Authors: Charoenwong C., Ding D.K., Jenwittayaroje N. Comments on: “Risk-taking behaviour during downturn: evidence of loss-chasing and

Limited. To: The President, The Stock Exchange of Thailand Enclosure: Information Memorandum regarding to the Acquisition of Assets The Extraordinary General Meeting of WCI Holding Public Company Limited

President, The Stock Exchange of Thailand Enclosure: Information Memorandum regarding to the Acquisition of Assets The Extraordinary General Meeting of WCI Holding Public Company Limited., subsidiary company

Ref: FS 12/2017 30 November 2017 Subject Notification of the preferred share acquisition of Box24 Company Limited To President and Managers The Stock Exchange of Thailand Forth Smart Service Public

Manager of The Stock Exchange of Thailand Union Petrochemical Public Company Limited and its subsidiaries ("the Company") would like to clarify the operating results for the year 2018 ended December 31

Quarter 1/2019 To : Director and Manager of The Stock Exchange of Thailand Union Petrochemical Public Company Limited and its subsidiaries ("the Company") would like to clarify the operating results for the

Manager of The Stock Exchange of Thailand Union Petrochemical Public Company Limited and its subsidiaries would like to describe and analyze the financial situation and business operation for Quarter 1/2018

August 10, 2018 Subject : Management Discussion and Analysis of Business Operation results for Quarter 2/2018 To : Director and Manager of The Stock Exchange of Thailand U nion Petrochemical Public Company

results for Quarter 3/2018 To : Director and Manager of The Stock Exchange of Thailand Union Petrochemical Public Company Limited and its subsidiaries would like to describe and analyze the financial