1Q23 Telkomsel Performance Review

Telkom Indonesia the world in your hand Telkomsel Performance Challenging market dynamics with on-going transition of Legacy & continuing competitive environment TSEL to effectively manage operating expenses with sustainable level of profitability at 55.7% EBITDA Margin. REVENUES EBITDA NET INCOME In Trillion In Trillion In Trillion 21.3 +1.1%¯ 21.5 -2.4% +16.2% 5.3 12.3 12.0 4.6 +7.1% Digital 18.2 Business 17.0 -22.4% 1Q22 1Q23 Margin Legacy 4.3 3.3 58% 56% 1Q22 1Q23 1Q22* 1Q23* Margin 22% 25% CAPEX In Trillion +82.2% 4.0 2.2 1Q22 1Q23 *) Includes inorganic initiatives with fair value of investment and one-off from unlocking assets 3G/4G CAPABLE CUSTOMER TOTAL ASSETS BASE In Trillion In Million 7-13.7% -0.1% 101.3 101.2 11 DEVICE In Million -5.4% 175.0 151.1 128.7 121.8 1Q22 1Q23 1Q22 1Q23 1Q22 1Q23 11

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