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

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_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_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

-month (Thousands Baht) Change Amount % Revenue from sales , , , .% Other income , , , .% Total Revenue , , , .% Company revenue slightly increased 1.89 percent from the same period of last year, due to

., BANGKAE, BANGKAE, BANGKOK, THAILAND. 10160 Tel: 02-455-2888 Fax: 02-455-2763 (“TRANSLATION”) TG 111/2561 May 14, 2018 Subject: Clarification of the Operating Result for the significant change Attention: The

., BANGKAE, BANGKAE, BANGKOK, THAILAND. 10160 Tel: 02-455-2888 Fax: 02-455-2763 (“TRANSLATION”) TG 154/2561 August 8, 2018 Subject: Clarification of the Operating Result for the significant change Attention

S Holding Co., Ltd. (“All S”), which aim to invest in automobile assembly business, public transportation services, supported technology and related application to public transportation business. In

economic slowdown. Causing, the Thai government declared the Emergency Decree. With measures prohibiting aircraft, vessel, motor vehicles, or any other types of conveyance, or using transportation routes

on the dept cost structure analysis for the investment in the biogas power plant project of Aukkrarawat that the Board of Directors has considered additional facts and the study of the change in cost