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

หน้า 1 จาก 1 Translation May 10, 2019 Subject: Management explanation and analysis for Quarter ended 31 March 2019 Attn: The Managing Director, the Stock Exchange of Thailand Pacific Pipe Public

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

หน้า 1 จาก 1 Translation August 13, 2019 Subject: Management explanation and analysis for Quarter ended 30 June 2019 Attn: The Managing Director, the Stock Exchange of Thailand Pacific Pipe Public

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

set-q1-61 (Translation) Ref.No.LEE 09/2018 May 14, 2018 Subject : Management Discussion and Analysis for the first quarter ended March 31, 2018 To : President of The Stock Exchange of Thailand We

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. SN.LK 022/2018 August 10, 2018 Subject Management Discussion and Analysis for the 2nd quarter ended June 2018 To The President The Stock Exchange of Thailand Indara Insurance Public Company

จดหมายชี้แจงq261e August 14, 2018 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for three month Ending 30 June 2018 Summary on Second Quarter

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