/ (decrease) %change Revenues from sales and Service income 217.59 157.19 60.40 38.42% Other revenues 2.37 0.18 2.19 1,216.67% Total revenues 219.96 157.37 62.59 39.77% Cost of sales and Service income 109.51

mobile business and cost control In 1Q21, core service revenue was Bt32,425mn, decreasing -2%YoY but increasing 1%QoQ from rebounded mobile revenue and robust growth in fixed broadband. Continuous 5G/4G

construction under a concession arrangement 131.3 398.1 215.0 126.1 (88.9) (41.3%) 104.6 870.5 765.9 732.2% Cost of sales and services (788.7) (796.3) (822.9) (788.4) (34.5) (4.2%) (3,324.7) (3,196.3) (128.4

revenue generation through new shopping malls, enhancement of existing malls, as well as efficient cost management. CPN currently manages 32 shopping malls with the net leasable area (NLA) of approximately

1 Note: 1) Revenue and Cost that were recognized when there is construction under concession agreements for tap water according to accounting standard TFRIC12 1. ANALYSIS OF FINANCIAL PERFORMANCE For

malls (i.e. common areas, convention halls, on-site-media, and promotional areas) by continuously rolling out a variety of marketing events in all projects. Continual effective cost management The lower

improved following on-going cost optimization and FY17 guidance maintained. AIS reported 3Q17 EBITDA of Bt17,589mn, +15% YoY and +2.8% QoQ, mainly due to revenue growth and controlled SG&A. YTD, AIS spent

of electricity generation capacity and 30 tons per hour of steam generation capacity with the project cost of approximately Baht 3,105 million (the debt proportion is approximately 75 percent and the

in sales of scrap and sale of damaged and unusable assets. (2.2) Cost of Sales and Services Description Year 2018 Year 2017 Increase / (Decrease) Million Baht % of Sales Million Baht % of Sales Million

due to 1) sales decrease; 2) higher cost per unit as a result of lower utilization rate; 3) higher depreciation; 4) higher excise tax and sugar tax following the Excise Act, B.E. 2560; 5) sales