People's Republic of China and Thailand With reference to the Memorandum of Understanding concerning Mutual Recognition of Covered Funds and Covered Management Companies and related Cooperation (HK-TH MRF

-2338-3000 Fax: 0-2338-3334 www.nationgroup.com 25 May 2020 Subject : Notification on Resolution of the Board of Directors’ Meeting No. 6/2020, Change of Directors and Directors’ Power, Entering into

CONSTRUCTION EXECUTIVE SUMMARY EXECUTIVE SUMMARY 2 Q1’19 Q4’19 Q1’20 change change Btmn Btmn Btmn y-on-y q-on-q Sales and service income 10,257 11,258 11,223 9.4% (0.3%) EBITDA* 2,413 2,938 3,278 35.8% 11.6% Net

The financial expenses in 2017 were 16.91 million baht decreased from previous year which were at 7.77 million baht. Comparing in term of percent of revenues, the ratio is not much change. It was at

Ref Ref. 2S_BoD017/2018 May 9th, 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_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

Change Amount Change 2019 2018 Value % 2019 2018 Amount % Revenue from sale – net 1,254.18 1,393.11 -138.92 -9.97% 1,251.51 1,381.97 -130.47 -9.44% Gain on exchange rate 0.34 1.26 -0.92 -72.75% 0.41 1.29

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

ที่ กบร No. Kor Bor Ror. 023/2017 August 15, 2016 President The Stock Exchange of Thailand Re : Clarification on the company’s over 20% change in its operating results for 2nd quarter, 2017 Dear Sir