30 July 2019 To: The President The Stock Exchange of Thailand Re: Q2-2019 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to notify the Company’s Q2-2019 (Apr-Jun

24 July 2018 To: The President The Stock Exchange of Thailand Re: Q2-2018 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to notify the Company’s Q2-2018 (Apr-Jun

26 October 2018 To: The President The Stock Exchange of Thailand Re: Q3-2018 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to notify the Company’s Q3-2018 (Jul-Sep

October 28, 2019 To: The President The Stock Exchange of Thailand Re: Q3-2019 operating results We, Delta Electronics (Thailand) Public Company Ltd, would like to notify the Company’s Q3-2019 (Jul

27 April 2020 To: The President The Stock Exchange of Thailand Re: Q1-2020 Operating Results We, Delta Electronics (Thailand) Public Company Limited (the “Company”) would like to notify the Company’s

Period As Of Details PATO CHEMICAL INDUSTRY PUBLIC COMPANY LIMITED 2023 Reviewed Company Q2 30/06/2023 PATO CHEMICAL INDUSTRY PUBLIC COMPANY LIMITED 2023 Reviewed Consolidated Q2 30/06/2023 PATO CHEMICAL

Period As Of Details THE UNION MOSAIC INDUSTRY PUBLIC COMPANY LIMITED 2023 Reviewed Company Q2 30/06/2023 THE UNION MOSAIC INDUSTRY PUBLIC COMPANY LIMITED 2023 Reviewed Consolidated Q2 30/06/2023 THE UNION

Period As Of Details DIAMOND BUILDING PRODUCTS PUBLIC COMPANY LIMITED 2023 Reviewed Company Q2 30/06/2023 DIAMOND BUILDING PRODUCTS PUBLIC COMPANY LIMITED 2023 Reviewed Consolidated Q2 30/06/2023 DIAMOND

Electronics PCL has the pleasure of submitting fiscal year 2017 operating results of the Company and its subsidiaries ("the Group") based on audited consolidated financial statements for the period ended

Electronics PCL has the pleasure of submitting the operating results of the Company and its subsidiaries ("the Group") for the second quarter of 2018 based on reviewed consolidated financial statements for the