2nd quarter of fiscal year 2022 ended as of June 30th, 2023, which can be summarized as follows: 1) Profit & Loss Analysis : Q2 2023 (3 Months) (Unit : Million Baht unless otherwise stated) Q2 2023 Q2

Ref Ref. 2S_BoD001/2020 February 26th, 2020 Subject: Clarification of the change in operating result more than 20% To : The president The Stock Exchange of Thailand 2S Metal Public Company Limited

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

which turned ESTAR from having approximately operating loss of 51 million baht to a net profit over 140 million baht in 2013. Such non-public information material to the change of ESTAR share price was

significant change compared to the same period of the previous year. Gross Profit and Gross Profit Margin EMS business The Company had gross profit for the first quarter of 2019 amounting to Baht 74 million

the revenue from services and revenue from contract work. The total cost was reported at THB 601.5 million, decreased by THB 93.9 million or 13.5%. The gross profit for the year 2018 was decreased by

the nine-month ended September 30, 2018 as follows: Performance Overview The Company and its subsidiaries had profit attributable to equity holders of the Company amounting to Baht 2,126.61 million

and sell and service expenses decreased. - Net Profit (Net Loss) 2nd Quarter 2019 2nd Quarter 2018 Change (+/-) MB % of Total revenues MB % of Total revenues MB % Net Profit 6.23 3.38 11.29 5.87 (5.05

 1Q19.    (Unit : Million THB)  31 March 2020  (3 months period)  31 March 2019  (3 months period)  Change  Revenues from Hospital Operations  183.19  200.01  ‐8.41%  Gross Profit   55.62  90.43  ‐38.49

Information of period Consolidated Separate Value Change Value Change Q2.2019 Q2.2018 Amount % Q2.2019 Q2.2018 Amount % Gross Profit 92.42 96.86 -4.44 -4.58% 92.14 96.18 -4.03 -4.19% Profit (Owners of the