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 Quarter1/2020 ended March 31

AC 52/07-003 ACC1/20-043 August 13, 2020 Subject: Management Discussion and Analysis Quarter 2 Ending June 30, 2020 To: The President The Stock Exchange of Thailand Qualitech Public Company Limited

(Translation) LEE 12/2019 11 November 2019 Subject : Management Discussion and Analysis for the third quarter ended September 30, 2019 To : President of The Stock Exchange of Thailand We submit

ACC6505/003 May 13, 2022 Subject: Clarification of operating results for the first quarter of 2022 ended March 31, 2022 Dear Directors and Managers Stock Exchange of Thailand According to Advanced

Page 1 of 1 ACC6508/001 August 11, 2022 Subject: Clarification of operating results for the second quarter of 2022 ended June 30, 2022 Dear Directors and Managers Stock Exchange of Thailand According

(Translation) No. ACC6602/001 February 28, 2023 Subject: Clarification of operating results for the Year 2022 To: The President, The Stock Exchange of Thailand Advanced Connection Corporation Public

Page 1 of 1 ACC6606/003 May 15, 2023 Subject: Clarification of operating results for the first quarter of 2023 ended March 31, 2023 Dear Directors and Managers Stock Exchange of Thailand According to

หน้า 1 ของ 2 (Translation) No. ACC6511/001 November 14, 2023 Subject: Clarification of operating results for the third quarter of 2023 To: The President, The Stock Exchange of Thailand Advanced

หน้า 1 ของ 2 (Translation) No. ACC6702/001 February 28, 2024 Subject: Clarification of operating results for the Annual Year 2023 To: The President, The Stock Exchange of Thailand Advanced Connection

+" Campaign and a Personal Finance 101 workshop for people aged 50 and above. The workshop aimed to help participants practice managing their portfolios based on their risk levels, share experiences of