-Translation- M06/013/17 August 15, 2017. Subject Clarification of Q2/2017 Company Performance To The President of the Stock Exchange of Thailand Reference MDX Public Company Limited and its

MATI 19/2560 November 13, 2017 Subject Consolidated Financial Report for the nine-month period which ended at September 30, 2017 To Director and Manager The Stock Exchange of Thailand Nine-month

set-q3-60 (Translation) LEE 21/2017 14 November 2017 Subject : Management Discussion and Analysis for the third quarter ended September 30, 2017 To : President of The Stock Exchange of Thailand We

-Translation- M06/015/17 November 14, 2017 Subject Clarification of Q3/2017 Company Performance To The President of the Stock Exchange of Thailand Reference MDX Public Company Limited and its

Attn : The Directors and The MAI Manager Ref: Dimet AC 1802/001 February 13, 2018 Attention: The Directors and The MAI Manager The Stock Exchange of Thailand Subject: Report on improved Q.2’s

MATI 05/2562 February 27, 2019 Subject Reporting Annual Consolidated Financial Statement which ended at December 31, 2018 To Director and Manager The Stock Exchange of Thailand Operating income of

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

set-q1-62 (Translation) Ref.No.LEE 07/2019 May 14, 2019 Subject : Management Discussion and Analysis for the first quarter ended March 31, 2019 To : President of The Stock Exchange of Thailand We

-English translation- No. M06/003/19 May 14, 2019 Subject Clarification of Q1/2019 Company Performance To The President of the Stock Exchange of Thailand Reference MDX Public Company Limited and its