Investor Presentation 2022

Differentiated Through Quality 8 4G Mobile Download Speed (Mbps) 51.4 88.2 83.4 72.8 Ookla Q3-Q4 2020 ■Q1-Q2 2021 ■Q3-Q4 2019 ■Q1-Q2 2020 4G Mobile Upload Speed (Mbps) 20.0 22.0 21.5 (Mbps) (Mbps) 176.8 162.3 162.3 130.8 106.2 78.2 Meqyas Q3 2020 Q4 2020 Q1 2021 Q2 2021 Q3 2021 Q4 2021 22.8 23.5 24.7 24.4 26.0 21.0 20.1 Ookla ■Q3-Q4 2019 Q1-Q2 2020 ■■Q3-Q4 2020 Q1-Q2 2021 Meqyas Q3 2020 Q4 2020 Q1 2021 Q2 2021 Q3 2021 Q4 2021 Investor Presentation 2022 | stc group stc

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