-0.1% Food Business Revenues 2,760.9 56.9% 2,621.8 55.6% +139.1 +5.3% Total Revenues 4,854.8 100.0% 4,717.8 100.0% +137.0 +2.9% Cost of Sales – Hotels Business (1) (818.6) (16.9%) (858.9) (18.2%) -40.3

will affect the internal control system and the good corporate governance and may lead to conflicts of interest.  In addition, it is forecast that GSTEL may incur additional expenses which will affect

% 481.2% 68.5 529.4 672.8% Cost of sales and services (828.9) (788.7) (796.3) 1.0% (3.9%) (1,687.2) (1,585.0) (6.1%) Cost of construction under a concession arrangement (68.5) (131.3) (398.1) 203.2% 481.2

729.9% Cost of sales and services (819.3) (796.3) (822.9) 3.3% 0.4% (2,506.5) (2,407.9) (3.9%) Cost of construction under a concession arrangement (21.2) (398.1) (215.0) (46.0%) 914.2% (89.7) (744.4

expansion of their Non-oil businesses, however the cost of selling, general and administrative expense remains high, leaving the Bangchak Retail Co., Ltd.’s EBITDA still in the negative, therefore effectively

purchase agreement 102.8 99.2 101.6 2.4% (1.2%) 203.7 200.8 (1.4%) Revenue from construction under a concession arrangement 398.1 - - - N.A. (

.(

- - - - - - 870.5 - (870.5) N.A.(

....................................................................................................................................... 7 Solar energy .................................................................................................................................................... 8 Other income and fixed cost

%, compared to +1.2% in 4Q20 due to decline in high margin devices sale from seasonality. Cost & Expense Cost of service for 1Q21 was Bt21,126mn, increasing 3.9%YoY and 3.4%QoQ from network OPEX following 5G/4G