AIS Mobile Market Strategy 2018

Leading spectrum position after acquiring 2x5MHz of 1800MHz 900MHz License 2x10MHz Until 2031 Largest bandwidth of 120MHz (2x60 MHz) under operation 1800 MHz License 2x20MHz Until 2033 newly acquired 2100 MHz License 2x15MHz Until 2027 2100 MHz Partnership with TOT 2x15MHz Until 2025 AIS • NEXTG newly acquired New capacity with accretive value Enhance customer experience De-risk and remain financial flexibility 4G on contiguous 2x20MHz of 1800MHz and carrier aggregate with 2100&900MHZ for superior speed More than half of all spectrums allocated for 4G Turn on the carrier on existing network equipment Reduce CAPEX in long term Increase 4G speed for all customers and up to 30% for non-CA handsets Ensure sufficient capacity until 5G commercialization or next validate spectrum acquisition = 5MHz block 6

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