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

MATI 17/2561 May 14, 2018 Subject Reporting First Quarter Consolidated Financial Statement which ended at March 31, 2018 To Director and Manager, The Stock Exchange of Thailand For three-month period

No. EXE. 009-5-18 14 May 2018 Re: Explanation of Performance of the Financial Statements for the First Quarter 2018 Attention: President The Stock Exchange of Thailand We, Venture Incorporation

Department Corporate Disclosure Standards, Stock Exchange of Thailand Attachment: Consolidated Reviewed Financial Statements for the First Quarter ended 31st March 2018 Jutha Maritime Public Company Limited

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

MATI 19/2561 August 14, 2018 Subject Reporting Quarter 2 Consolidated Financial Statement which ended at June 30, 2018 To Director and Manager, The Stock Exchange of Thailand For six-month period

-Translation- M06/010/18 August 14, 2018. Subject Clarification of Q2/2018 Company Performance To The President of the Stock Exchange of Thailand Reference MDX Public Company Limited and its

AC 52/07-003 ACC1/18-048 November 12, 2018 Subject: Management Discussion and Analysis Quarter 3 Ending September 30, 2018 To: Director and Managing Director The Stock Exchange of Thailand Qualitech

MATI 21/2561 November 13, 2018 Subject Consolidated Financial Report for the nine-month period which ended at September 30, 2018 To Director and Manager The Stock Exchange of Thailand Nine-month

Attn : The Directors and The MAI Manager Ref: Dimet AC 1811/001 November 13, 2018 Attention: The Directors and The MAI Manager The Stock Exchange of Thailand Subject: Report on Q.1’s performance