SAAM Energy Development Public Company Limited - 1 - 4 January 2019 Subject: Management Discussion and Analysis for the 9-month ended 30 September 2018 To: The President of the Stock Exchange of

Energy Corporation Public Company Limited, or “The Company”, being a listed company in the Stock Exchange of Thailand; the resolution of the Board of Directors’ Meeting No. 9/2017, held on June 30th of

Limited and its subsidiaries Ref. PDI/BK-BS-022/2020 May 12, 2020 Re: Management Discussion and Analysis (MD&A) For the three-month period ended March 31, 2020 To: President The Stock Exchange of Thailand

SAAM Energy Development Public Company Limited - 1 - 10 May 2019 Subject: Management Discussion and Analysis for the period ended 31 March 2019 To: The President The Stock Exchange of Thailand SAAM

SAAM Energy Development Public Company Limited - 1 - 9 August 2019 Subject: Management Discussion and Analysis for the period ended 30 June 2019 To: The President The Stock Exchange of Thailand SAAM

Ref. PDI/BK-BS-056/2018 8th August 2018 Re: Management Discussion and Analysis (MD&A) For the 2Q 2018 and 1H 2018 To: President The Stock Exchange of Thailand Due to depletion of Mae Sod Mine’s

Ref. PDI/BK-BS-076/2018 7th November 2018 Re: Management Discussion and Analysis (MD&A) For the three-month and nine-month periods ended September 30, 2018 To: President The Stock Exchange of

August 14, 2019 Subject: Managing Discussion and Analysis for Q2/2019 To: Managing Director The Stock Exchange of Thailand The company would like to report to operation results for the company and

– Translation – GRC-02/2020/026 12 November 2020 Subject: Establishment of New Subsidiaries To: President The Stock Exchange of Thailand Singha Estate Public Company Limited ("the Company") would

SAAM Energy Development Public Company Limited - 1 - 13 February 2019 Subject: Management Discussion and Analysis for the year ended 31 December 2018 To: The President The Stock Exchange of Thailand