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

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

for TOT partnership. However, excluding TOT partnership, network OPEX would drop 4.1% YoY from cost efficiency programs. Net profit, however, declined 1.9% YoY to Bt30,077mn from continued network

changes in network OPEX ( excluding cost of TOT partnership + 10% YoY, -1.6% QoQ) and SG&A (+7.1% YoY, -2.6% QoQ) . Net profit was reported at Bt7,615mn, decreasing 5.3% YoY due to higher network and

amounted to around Bt800mn in 1H18. Cost of service (Bt36,483mn) increased 11% YoY due to payment of partnership with TOT and higher D&A, offset by lower regulatory fee. Excluding payment to TOT, network

(5.5% of revenue from 10.5% in 2016). Network OPEX was flat QoQ but increased 99% YoY mainly from 4G expansion and addition of TOT partnership payment. EBITDA margin improved to 44.6% from 36.4% in 4Q16

comprised of enterprise business, grew 8. 8% YoY driven by improving sales in both telecom and ICT services as well as CSL’s revenue consolidated since Feb-18. Network OPEX excluding cost of TOT partnership

on behalf of other person(s) / Report under Management of Partnership Stakes and Shares of Ministers Act, B.E. 2543 (2000) V. In the case of holding on behalf of other person(s) (please specify the

5.4016% 228,942,671 228,942,671 6.8078% 9.2 Information on the changes in the securities held on behalf of other person(s) / Report under Management of Partnership Stakes and Shares of Ministers Act, B.E