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_BoD008/2019 May 13th, 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 (the

Ref Ref. 2S_BoD013/2019 August 14, 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 (the

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

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

(July – September 2019) and clarification of the operating result change excess 20%. We gladly inform to report our 1st quarter performance figure during July – September 2019, ending September 30, 2019

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

trading account to buy 9,000,000 ESTAR shares based on inside information he learnt as the CEO. Such information was about the company?s Q4/2013 performance with significant increase in revenue and profit

Revenue from sale of goods 2,740.44 2,371.16 369.28 15.57% Revenue from service 2.19 2.62 -0.42 -16.28% Total revenue 2,742.63 2,373.77 368.86 15.54% Cost of Good sold 2,005.55 1,784.43 221.12 12.39% Cost