OHTL Public Company Limited and its subsidiaries Management Discussion and Analysis for the second quarter ended 30 June 2018 (Unit: Thousand Baht) Quarter 2 2018 Quarter 2 2017 Increased/ (Decreased

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

No.021/2018 August 14, 2018 Subject: Report the operating result for the 2nd Quarter ended June 30, 2018 and the explanation for the causes of change more than 20% in the Company’s performance To

November 8, 2018 SET-18-AC-003 Dear The President The Stock Exchange of Thailand Subject: Clarification of Result’s Operation for the three months ended 30 September 2018 According to the resolution

หน้า 1 จาก 1 Translation November 12, 2018 Subject: Management explanation and analysis for Quarter ended 30 September 2018 Attn: The Managing Director, the Stock Exchange of Thailand Pacific Pipe

set-q3-61 (Translation) LEE 13/2018 14 November 2018 Subject : Management Discussion and Analysis for the third quarter ended September 30, 2018 To : President of The Stock Exchange of Thailand We

its subsidiaries for the six-month period ended 30 June 2018 represented a loss of Baht 259.31 million. Compared to the same period of 2017, the loss was Baht 482.86 million (restated), a decrease loss

its subsidiaries for the nine-month period ended 30 September 2018 represented a loss of Baht 354.36 million. Compared to the same period of 2017, the loss was Baht 2,027.96 million (restated), a

I - Translation - Ref : LPH/SET 2019/012 November 13, 2019 Subject : Clarification on the Operating Results for the three-month period ended September 30, 2019 (Q3/2019) To : President The Stock

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 Quarter 3/2019 ended September