)”. The meeting was held at the SEC Building on 28 April 2026.Mrs. Pornanong Budsaratragoon, SEC Secretary-GeneralMr. Pichet Sithi-Amnuai, ASCO ChairmanMr. Anek Yooyuen, SEC Deputy Secretary-General and

Income 407.35 471.24 (63.89) (13.56%) - LPG Trading 193.80 241.16 (47.36) (19.64%) 1 - Transportation 2.65 3.04 (0.39) (12.83%) 2 - Conversion Kit Installation 1.59 2.17 (0.58) (26.73%) - Construction

service Revenue from engineering service increased by Baht 104.62 million, due to following reasons: 1. Engineering business has entered into construction service 2. Revenue recognized from large project of

construction Baht 8,676.42 million Baht 8,356.43 million Baht 319.99 million 3.83 1.2 Cost of construction 93.61 % 94.30 % - (0.73) 1.3 Sales and service income - Property development - Concrete products and

quarter of 2017 Increased (Decreased) Amount % 1.1 Revenues from construction Baht 2,400.67 million Baht 2,327.23 million Baht 73.44 million 3.16 1.2 Cost of construction 94.50 % 96.04 % - (1.60) 1.3 Sales

supply 41.56 31.25 32.99 - Installation of water production systems and construction of turnkey water treatment systems 29.25 3.40 760.29 Other income 1.94 6.50 (70.15) Total revenues 380.77 280.20 35.89

%. The decrease was mainly as a result of the recalculation of the rent-free period that is amortised over the rental term of the tenants. A rent-free period is commonly given to office building tenants in

1 - TRANSLATION - KT/PB (Q-Con) 001/2020 February 13, 2020. Attention Managing Director The Stock Exchange of Thailand Subject : Management Discussion and Analysis for year 2019 Quality Construction

construction equipment was not sold this quarter. Revenue from rental equipment decreased 5.91%, achieved Baht 409.36 million due to the slowdown of investment environment throughout the country and mega project

.Revenues 1.1 Sales of Construction Supply 950.86 967.78 860.99 1.2 Revenue from Real Estate Business 226.36 263.75 71.12 1.3 Total Revenues 1,177.22 1,231.53 932.11 2.Gross Profit ( % of Revenues) 2.1 Sales