Held Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No GIFT Mr. Surachai Chetchotisak Disposition Stock

:  Rules and Practices Regarding Currency Exchange and Measures to Prevent Thai Baht Speculation The Bank of Thailand issued Notice of the Competent Officer on Rules and Practices regarding Currency Exchange

SAAM Energy Development Public Company Limited - 1 - 12 May 2020 Subject: Management Discussion and Analysis for the period ended 31 March 2020 To: The President The Stock Exchange of Thailand SAAM

Ref Ref. 2S_BoD024/2017 August 9th, 2017 Subject: Clarification of the change in operating result more than 20% To : The president The Stock Exchange of Thailand 2S Metal Public Company Limited (the

Ref Ref. 2S_BoD024/2017 August 9th, 2017 Subject: Clarification of the change in operating result more than 20% To : The president The Stock Exchange of Thailand 2S Metal Public Company Limited (the

Date : August 11, 2017 Subject : The Explanation to SET concerning the operating result for Q2/2017 more than 20% Attention : The Director and Manager of the Stock Exchange of Thailand For the Q2

Ref Ref. 2S_BoD001/2019 February 27th, 2019 Subject: Clarification of the change in operating result more than 20% To : The president The Stock Exchange of Thailand 2S Metal Public Company Limited

Ref Ref. 2S_BoD024/2018 August 14th, 2018 Subject: Clarification of the change in operating result more than 20% To : The president The Stock Exchange of Thailand 2S Metal Public Company Limited (the

Ref Ref. 2S_BoD029/2018 November 14th, 2018 Subject: Clarification of the change in operating result more than 20% To : The president The Stock Exchange of Thailand 2S Metal Public Company Limited

.Thailand. Tel : + 66(0) 2 703 7880-1 No. SorPor 6/2563 23 March, 2020 Subject: Report of asset acquisition in “Sakun C Innovation Company Limited” Attention: Managing Director of the Stock Exchange The Stock