จดหมายชี้แจงQ160e May 15, 2017 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for three month Ending 31 March 2017 Summary of the 1 st Quarter

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

No. INGRS046 30 April 2020 Subject : Explanation on the financial performance of INGRS for the financial year ended 31 January 2020 To : The President The Stock Exchange of Thailand Ingress

DATE: 1 NPPG.015/2019 February 26, 2019 Subject Management’s Discussion and Analysis for the year 2018 Attention The President The Stock Exchange of Thailand Management’s Discussion and Analysis (MD

addition, some shipments were not recognized as sales revenue in the second quarter in accordance with relevant incoterms, and partly due to consignment stock: consignment fill-up totaled Bt813 million

Our Ref: APURE 027/2020 13 August 2020 Subject Clarification on Second Quarter’s Operating Performance (2/2020) Attn. To President The Stock Exchange of Thailand The company clarifies causes 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 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

จดหมายชี้แจงq262e August 14, 2019 The Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for three month Ending 30 June 2019 Summary on Second Quarter

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