* Note Please find further information in the consolidated financial statements. 1 August 11th, 2020 Subject: Management Discussion & Analysis (MD&A) for the 2nd quarter of 2020 Attention: The

February 2020 Subject: Clarification of the operating results for the year ended 31 December 2019, change of rate more than 20 percent To: Director and Manager The Stock Exchange of Thailand Ocean Commerce

-9320 1 Ref: PCL 2020/018 November 14, 2020 Subject: Management Discussion and Analysis for the 9-month period ended 30 September 2020 To: The President of the Stock Exchange of Thailand Panjawattana

-Translation- 1 -Translation- Ref. NCH 008/2020 February 28, 2020 Subject: Management Discussion and Analysis Yearly Ending 31 Dec 2019 Attention: President The Stock Exchange of Thailand N.C

exchange loss of Baht 378 million during the current quarter against net foreign exchange gain of Baht 169 million during last year quarter. The consolidated net loss is Baht 1,287 million, which increased

the nine-month period of the year 2017 (restated), increasing by Baht 685.74 million, or 14.3 percent. Considering the effect of foreign exchange rate, the operating result according to the consolidated

- Translation – No. M06/001/19 February 25, 2019 Subject Clarification on Y2018 Company Performance To The President of the Stock Exchange of Thailand Reference MDX Public Company Limited and its

- English Translations - No. M06/012/2020 February 27, 2020 Subject Clarification of Year/2019 Company Performance To The President of the Stock Exchange of Thailand MDX Public Company Limited (“MDX

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 2/2017

MATI 07/2561 February 27, 2018 Subject Consolidated Financial Report for the year which ended at December 31, 2017 To Director and Manager The Stock Exchange of Thailand Operating income of Matichon