1Q20, core service revenue was Bt33,090mn, flat YoY and -4.3% QoQ driven by growth in broadband offset with the drop in mobile. Continued network investment was offset with saving from tower and
% YoY and 5.7% due to the inclusion of TTTBB's expenses. Excluding TTTBB, the cost of service was relatively flat, -1.0% YoY and 0.2% QoQ. Depreciation and amortization expenses which increased 4.9% YoY
from hotel business with maintaining flat cost of sales and services together with increase in Other Income, contributed by the gain on sales of long-term investments. This resulted in a 31.0% yoy
, high level of capacity availability, and significant advances in the consistency of our products. Parallel a shift is taking place in the corporate culture, that our improved health and safety record
-launched iPhone in 4Q19. Core service revenue was Bt35,571mn, increasing 5.6% YoY from both mobile and fixed broadband. However, QoQ core service revenue was flat underpinned by prepaid ARPU pressure due to
work processes, including production, service, and safety. To meet these evolving needs, AIS has elevated its level of strategic collaboration with clients and partners to develop specific solutions
4Q21, AIS Fibre also created a new standard for the home internet market with the launch of lightning-fast services at the 2Gbps level, which meet the needs of customers seeking the highest quality
business growth, while flat 0.3% QoQ from higher SG&A in line with growing top line. EBITDA margin was at 53%, improving YoY from continual focus in profitable revenue, effective cost management, and
to less rainfall and low water level in reservoirs which unfavored for agricultural production. And once it was rainy season, the Northeastern region of Thailand also had a severe flood that caused a