driven by genuine consumer demands. Enterprise business rebounded with a better economic certainty. Non-mobile enterprise business reported a revenue of Bt1,520mn, growing 20% YoY and 14% QoQ, mainly from

several industries. However, there continues to be a genuine demand for quality connectivity with improved technology such as EDS with SD-WAN and digitalization with 5G network. AIS is committed to

momentum in enterprise business, partially offset by reduced device sales revenue. Excluding TTTBB impact, total revenue increased 0.7% from lower device sales. Core service revenue (excluding IC and NT

broadband market continued to expand with genuine demand for quality broadband at home but also faced intense competition from low-price packages starting at Bt299 offering throughout the year amid economic

contract term, profitability of the contract remains the same. By the Standard, key changes compared to prior to 2019, are as follows: a) Device subsidy previously recognized as handset loss will be

resulted in reallocation between sales and service revenue as well as marketing expenses while device subsidy is capitalized as contract assets and amortized against the service revenue over the customer

169 163 151 148 136 Blended 186 181 170 168 156 VOU (GB/data sub/month) Postpaid 6.7 7.5 8.3 9.2 10.9 Prepaid 4.1 5.4 6.2 7.0 8.2 Blended 4.7 5.9 6.7 7.6 8.9 Device Penetration 4G-handset penetration 39

gross profit margin for 2018 was 47.4%. This gross margin had accounted for the fair value adjustment of the acquired business according to the accounting standards under WHA level. However, the genuine

12.7 Prepaid 5.4 6.2 7.0 8.2 9.2 Blended 5.9 6.7 7.6 8.9 10.1 Device Penetration 4G-handset penetration 42% 46% 50% 54% 57% Fixed Broadband Business FBB subscribers 481,500 521,200 571,800 623,400

, AIS fully expensed handset subsidy as either handset loss or marketing expense. With the effect of TFRS 15, key financial changes, compared to prior to 2019, will be as follows: a) Device subsidy