August 10, 2017 SET-17-AC-003 Dear The President The Stock Exchange of Thailand Subject: Clarification of Result’s Operation for the three months ended 30 June 2017 According to the resolution of

August 10, 2017 SET-17-AC-003 Dear The President The Stock Exchange of Thailand Subject: Clarification of Result’s Operation for three months periods ended 30 June 2017 According to the resolution of

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

Ref.No.IVL001/10/2017 3rd October 2017 President The Stock Exchange of Thailand Subject: Report on the Completion of the Acquisition of the Tire Cord business of DuraFiber Mexico and setting up of a new indirect

February 22, 2018 SET-18-AC-001 Dear The President The Stock Exchange of Thailand Subject: Clarification of Result’s Operation for the year ended 31 December 2017 According to the resolution of BKD’s

May 13, 2019 SET-19-AC-002 Dear The President The Stock Exchange of Thailand Subject: Clarification of Result’s Operation for the three months ended March 31, 2019 According to the resolution of

13 May 2019 Subject: Management Discussion and Analysis for the Quarter 1 Ending 31 March 2019 Attention: President Stock Exchange of Thailand Please find below the additional information supporting

Ref. No. 111/2562 August 14, 2019 SUBJECT : Management Discussion and Analysis ending June 30, 2019 ATTN : The President Stock Exchange of Thailand The Company would like to clarify the operation

August 10, 2018 SET-18-AC-002 Dear The President The Stock Exchange of Thailand Subject: Clarification of Result’s Operation for the three months ended 30 June 2018 According to the resolution of

: BI.IO.(1) 19/2018 September 18, 2018 President The Stock Exchange of Thailand Dear Sir, Re : Investment of common shares in Thai Payment Network Company Limited On behalf of Bangkok Bank Public Company