softened handset subsidies and a focus on quality acquisition, partially offset by increasing advertising expense to enhance brand perception. Marketing expenses to total revenue stood at 5.1% , down from

-up 5G perception. Restrictions in the quarter also supported demand for Fixed broadband (FBB) which delivered strong growth of 23% YoY and 7.4% QoQ as well as non-mobile enterprise business growing 23

network slicing, and 5G private network. Throughout 2H21, our enterprise business was reinforced by a strategic partnership with Microsoft, which helped widen our product suites and enhance AIS’ s

sales. These measures are expected to enhance sales efficiency and return moving forward. • International revenues and others were Bt6,564mn decreasing 0.4% YoY from a decline in IDD service which was

bandwidth of 2x60MHz in the industry. Consequently, we have evidently seen an improvement of network quality against peers while brand perception enhanced. That said, we have well added 1mn mobile customers

customer perception. We continue to focus on delivering fair profitability balancing between short- and long- term drivers while keeping our solid financial strength. Market and Competitive Environment As

“Identify the most severe risks on a global scale over the next 10 years?” Source: World Economic Forum Global Risks Perception Survey 2021-2022 5 “What five risks will pose a critical threat to your country

1 Executive Summary AIS continued to build on leadership in mobile data through improved 4G quality and brand perception. In 1Q17, CAPEX of Bt11.5bn was spent to strengthen 4G network quality through

and +0.5% QoQ. Customer perception is gradually improving after the launch of AIS NEXT G and differentiated offerings. In addition, a focus on profitable segments resulted in strong postpaid net

strengthen customer perception towards KBank as an “Embedded Trust” agent, offer products and services “Beyond Banking” and stay relevant to “Everyone, Every Day, Every Way and Everywhere” in order to deliver