mobile business. For QoQ, total revenue dropped -by 10% from the high season of iPhone sales in 4Q21. Core service revenue (excluding IC and TOT partnership) was Bt32,770mn, improving by 1.1% YoY from
recognition of TTTBB's revenue and continued expansion of core service revenue, partially offset by a minor reduction in device sales revenue. Core service revenue (excluding IC and NT partnership) showed
flat with a slight increase in core service revenue offset by lower device sales. Core service revenue (excluding IC and NT partnership) recorded at Bt33,293mn, improving by 2.9% YoY and 1.6% QoQ mainly
new iPhone14 which was launched earlier by one quarter this year together with continued business momentum in broadband business. Core service revenue (excluding IC and NT partnership) recorded at
Bt172,890mn, decreasing -4.4%YoY, from slowdown in service revenues reflecting impact of COVID-19 as well as market competition. Core service revenue (excluding IC and TOT partnership) was 129,594mn, decreasing
handset sales due to distribution channel lock down. Core service revenue (excluding IC and TOT partnership) was Bt32,797mn, increased 2.1% YoY and 1.4% QoQ on the back of a continuing growth in both fixed
partnership with TOT. QoQ, cost of service dropped 2.8% from lower IC cost. Regulatory fee was Bt1,403mn decreasing 4.9% YoY and 1.2% QoQ. Currently, regulatory fee to core service revenue remained at 4.1
1 2Q18 MD&A Advanced Info Service Plc. Executive Summary AIS continued to deliver revenue growth in all segments. In 2Q18, core service revenue, which excluded IC and equipment rental, was Bt33,464mn