other shareholding. The explanation, i.e., shareholding percentage and structure, other shareholders names, etc. (if possible) shall be provided to the SEC office. 7 Acquisition through the chain

be explained together with name list of other shareholding. The explanation, i.e., shareholding percentage and structure, other shareholders names, etc. (if possible) shall be provided to the SEC

SAAM Energy Development Public Company Limited (the “Company”) would like to provide explanation and analysis regarding financial performance and position for the year ended 31 December 2019 as follows

: Management explanation and analysis for the yearly ending 31 December 2019 Attention: The President of, The Stock Exchange of Thailand ZIGA Innovation Public Company Limited ( “the Company” ) would like to

หน้าที 1 จาก 5 GEL.CS.019/2560 15 August 2017 Subject Explanation and analysis of management for operating results of the Second Quarter Ended June 30, 2017 To Director and Manager The Stock Exchange

หน้าที่ 1 จาก 5 GEL.CS.024/2560 15 November 2017 Subject Explanation and analysis of management for operating results of the Third Quarter Ended September 30, 2017 To Director and Manager The Stock

Energy Development Public Company Limited (the “Company”) would like to provide explanation and analysis regarding financial performance and position for the period ended 31 March 2019 as follows

วันที่ 25 กุมภาพันธ์ 2558 May 13, 2019 Subject: Management’s Explanation and Analysis for the 3 months period ended March 31, 2019 Attention: Director and Manager The Stock Exchange of Thailand LDC

Energy Development Public Company Limited (the “Company”) would like to provide explanation and analysis regarding financial performance and position for the period ended 30 June 2019 as follows. Financial

(Translation) UAC.CS/013/2019 August 14, 2019 Subject: Explanation of the operating results for the second quarter period ended June 30, 2019 To: President The Stock Exchange of Thailand Attachment