%) (28.76) (7.27%) 2.79 9.70% Total Cost (163.40) (59.43%) (223.87) (56.62%) (60.47) 27.01% Gross Profit 111.54 40.57% 171.55 43.39% 60.01 34.98% Selling Expense (54.32) (19.76%) (54.80) (13.86%) (0.48) (0.88

totaled 1,251.02 million Baht, decreased by 60.57 million Baht or -4.62% compared to the same period of 2019, as total sales volume was reduced. Net profit attributable to equity holders of the parent

% Change Amount % Amount % Amount % Q1-21 VS Q1-20 Q1-21 VS Q4-20 Sales revenue 19,039 100.0 12,755 100.0 18,498 100.0 49.3 2.9 Gross profit 4,103 21.6 2,586 20.3 4,067 22.0 58.7 0.9 Operating profit 1,372

, decreased by 4.79 million Baht or -0.77% compared to Q1/2019, as construction revenue under concession agreements were reduced. Net profit attributable to equity holders of the parent company of 314.48

November 13, 2006 May 15, 2020 Subjects : Clarification of Operating Performance for the Q1/2020 Attention : The Director and Manager of the Stock Exchange of Thailand The Consolidated net profit of

building. Construction and service costs and Gross profit For the first six-month of 2019 and the first six-month of 2020, the company’s group had construction and service costs of 641.68 and 383.63 THB mn

(496.32) (61.33%) (645.04) (58.67%) (148.72) (23.06%) Gross Profit 282.35 34.89% 418.34 38.05% (135.99) (32.51%) Other Revenue 30.53 3.77% 36.08 3.28% (5.55) (15.38%) Selling Expense (128.46) (15.87

Commission building and interior construction for the Fine Arts Department building. Construction and service costs and Gross profit For the first nine-month of 2019 and the first nine-month of 2020, the

955.30% Gross Profit 418.34 38.05% 633.38 40.90% (215.04) (33.95%) Other Revenue 36.08 3.28% 38.79 2.50% (2.71) (6.99%) Selling Expense (175.92) (16.00%) (154.89) (10.00%) 21.03 13.58% Administrative

Baht 81.76 million, whereas net profit of Baht 161.84 million in the same period of prior year, mainly results from; 1. Revenue from sales increased by Baht 103.76 million because the Company has Revenue