No. ADD 12/2021 15 November 2021 Subject: Management discussion and analysis for the performance for the nine-month period ended 30 September 2021 To: President The Stock Exchange of Thailand AddTech

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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 2019 ended December 31

Ref. No. 132 /2560 10 August 2017 SUBJECT : 2Q/2017 reviewed financial statements and related comments. ATTN : The President Stock Exchange of Thailand Attachment : The reviewed financial statements

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At Hor-For 0126/2550 November 7th, 2017 At Hor-For 0133/2560 Subject Notification of the performance of 3rd quarter ended September 30, 2017 Attn Directors and Manager, The Stock Exchange of Thailand

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set-q4-60 (Translation) Ref.No.LEE 02/2018 27 February, 2018 Subject : Management Discussion and Analysis for the year ended December 31, 2017 To : President of The Stock Exchange of Thailand We