for a reason of increasing in gain from exchange rate. 1.2 Cost of goods sold and expenses Consolidated (Thousands Baht) 1st Quarter Change 2019 2018 Amount % Cost of goods sold -453,166 -244,141

November 29, 2018 Subject Change of payment method for investment in acquisition and sale of tap water in some areas of Phuket and some areas of Phangnga. To Director and Manager The Stock Exchange

Change Amount % Change Total Revenues 7,792 7,550 242 3.2% Sales and service income 7,624 7,300 324 4.4% Gains on Exchange rate 69 175 -106 -60.3% Other Income 99 75 24 30.8% Cost of Sales and Services

exchange rate of receivable under finance lease agreement, gain(loss) on forward contracts, insurance claim and gain from business acquisition. Change QoQ Consolidated financial statements Change YoY 2

. Dear sir, We, Unimit Engineering Public Company Limited (UEC) , would like to clarify the change in operating result for Q1/2018 which changing over 20% from the same period last year as follows ; Unimit

Public Company Limited and its subsidiaries had the operation results for the 6-month period ended 30 June 2020 with the following details: unit: THB million 2020 2019 Change (THB mill.) Change (%) Revenue

Change 3 months Change 2017 2016 Amount % 2017 2016 Amount % Revenue from sale – net 343.16 310.14 33.03 11% 338.57 304.03 34.53 11% Gain from exchange rate 0.30 0.48 -0.18 -37% 0.26 0.49 -0.23 -46% Other

Balance by Quarter Change Q3-24 Q2-24 Q3-23 Q3-24 VS Q2-24 Q3-24 VS Q3-23 (Million Baht: MB) (MB) % (MB) % Total revenue 1,926.4 1,866.9 1,704.9 59.5 3.2 221.5 13.0 Total operating expenses 1,738.9 1,698.2

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_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