before finance cost and income tax expenses 179.38 23.3% 179.71 21.3% 187.63 22.1% 4.4% 4.6% Bank Charge (6.24) -0.8% (6.30) -0.8% (5.09) -0.6% -19.2% -18.4% Interest Expenses (7.48) -1.0% (10.64) -1.3

1.7% QoQ as the cost of utility started to decrease offset by increased NT’s partnership cost and maintenance costs. • Regulatory fee was at Bt1,369mn, a decrease of -0.4% YoY and -1.8% QoQ. The

following the declined prepaid revenue, while decreasing -1.8%QoQ from lower interconnection charge cost. SG&A expenses were Bt6,040mn, decreasing -4.6% YoY from one-time dispute settlement in 3Q19, while

Bt21,435mn, increasing 5.3% YoY and 2.0% QoQ which mainly from higher depreciation and other cost of service. • Regulatory fee was Bt1,354mn, flat both YoY and QoQ, in-line with the revenue. Regulatory fee to

online services (Commission) was Bt333.76mn, decreasing 6.9% YoY and 1.7% QoQ. 2) Income from rendering of services through online top-up machines “Boonterm kiosk” (Service charge) was Bt463.04mn

profit 0.06 0.0% (0.22) 0.0% (1.27) -0.2% 477.3% -2216.7% Profit before finance cost and income tax expenses 171.66 22.0% 121.25 18.2% 144.79 19.7% 19.4% -15.7% Bank charge (2.21) -0.3% (3.78) -0.6% (1.98

% in 4Q17. Cost & Expense In 1Q18, cost of service was Bt17,281mn increasing 6.3% YoY and 1.5% QoQ mainly from the change in accounting treatment on the partnership with TOT. • Regulatory fee was

% 0.29 0.0% -82.4% Profit before finance cost and income tax expenses 174.24 21.3% 171.66 22.0% 172.29 22.5% 0.4% -1.1% 720.04 21.6% 702.29 22.3% -2.5% Bank charge (3.16) -0.4% (2.21) -0.3% (2.12) -0.3

% Profit before finance cost and income tax expenses 178.46 21.5% 176.32 21.9% 171.66 22.0% -2.6% -3.8% Bank charge (3.76) -0.5% (2.36) -0.3% (2.21) -0.3% -6.4% -41.2% Interest expenses (11.13) -1.3% (8.78

Water Sales, and Wastewater Treatment Services. 2 Other Revenue consists of Excessive Charge, Service Fees for Wastewater Management, and Revenue from Solar Rooftop 3 Gross Profit from Operation excludes