ที่ กบร No. Kor Bor Ror. 020/2018 November 13, 2018 President The Stock Exchange of Thailand Re : Clarification on the company’s over 20% change in its operating results for 3rd quarter, 2018 Dear

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

Attn : The Directors and The MAI Manager Ref: Dimet AC 1811/001 November 13, 2018 Attention: The Directors and The MAI Manager The Stock Exchange of Thailand Subject: Report on Q.1’s performance

Attn : The Directors and The MAI Manager Ref: DIMET AC 1911/001 November 14, 2019 Attention: The Directors and The MAI Manager The Stock Exchange of Thailand Subject: Report on Q.1’s performance

ที่ กบร No. Lor Gor. 005/2020 May 14, 2020 President The Stock Exchange of Thailand Re : Clarification on the company’s over 20% change in its operating results for 1st quarter, 2020 Dear Sir, Thai

The Securities and Exchange Commission (SEC), in collaboration with the Principles for Responsible Investment (PRI) and the Asia Investor Group on Climate Change (AIGCC), organized an in-depth

The Securities and Exchange Commission (SEC), in collaboration with the United Nations Development Programme (UNDP), the Thai Listed Companies Association (TLCA), and the UN Global Compact Network

The Securities and Exchange Commission (SEC), in collaboration with CFA Institute and CFA Society Thailand, conducted training on the topic “Understanding the Impact of Sustainability on the Value

obligation is performed by trust managers. However, trusts are listed securities on the Stock Exchange of Thailand; SEC therefore requires them to disclose information in the same way as securities issuing

distributed to retail investors together with the subscription form. In case of direct listing of DW on the Stock Exchange of Thailand (SET), DW issuer must provide fact sheet on website of issuer, SET or SEC