ปริมาณการผลิตและการใช้เหล็กส าเรจ็รูปของไทย เดือนมกราคม ถึง กันยายน ปี 2561 และ ปี 2562 Total Apparent Finished Steel (Unit : Tons) Jan - Sep 2018 Jan - Sep 2019 % Change Production 7,059,669 5,735,752

9,291.8 -13.1% Cost of Sales 1,421.1 1,861.0 -23.6% 4,445.9 6,019.8 -26.1% Cost of Services 245.3 198.0 23.9% 694.1 575.2 20.7% Cost of Rental and Services 139.7 156.4 -10.7% 432.4 469.6 -7.9% Cost of

% 18,577 9.9% Cost of sales of goods 129,526 62.7% 120,447 64.1% 9,079 7.5% Gross profit from sales(2) 51,088 28.3% 47,597 28.3% 3,492 7.3% Cost of rental and rendering of services 3,161 1.5% 2,663 1.4% 498

Unrealized loss on change in fair value of trading securities.  Financial Cost of 62.23 Million Baht as 2.21 Million Baht decreased or 3.43 percent when compared to same period of previous year of 64.44

: Million Baht) Descr iption First quarter of 2020 First quarter of 2019 Increased (Decreased) Amount Percentage 1.1 Revenues from construction 1,709.22 MB 1,851.66 MB (142.44) MB (7.69) 1.2 Cost of

improve operational efficiency and cost control in the past year had led to a significant improvement in Krungthai ZMICO’s operating performance comparing with last year. The operating results of Krungthai

0.03 0.11 (0.08) 27.27 Total income 21.02 0.11 20.91 19,109.09 Cost of Media-advertising (16.83) - (16.83) (100.00) Cost of organizing concerts - - - - Selling cost (0.05) 0.06 (0.11) (83.33) Total cost

(“the Company”) would like to clarify operating performance of the Company three-month for the Quarter 1/2021 ended 31 March 2021 are as follows: change Q1/2021 Q1/2020 increase (decrease) Sales 266.5

% 1.1 Revenues from construction Baht 6,318.23 million Baht 8,676.42 million Baht (2,358.19) million (27.18) 1.2 Cost of construction 98.15 % 93.61 % - 4.85 1.3 Sales and service income - Property

unrealized loss from change in fair value of investments  Financial Cost of 62.23 Million Baht as 2.21 Million Baht decreased or 3.43 percent when compared to same period of previous year of 64.44 Million