Investor Presentaiton

Typical Tower Company Growth Model New Built-to-Suit Tower Additional towers and contract renewals grow revenue Colocation Boosts ROI Colocation boosts unlevered ROI and accelerates payback period Year 1 Year 2 Year 3 Year 4-10 Year 11 SIMULATION FOR 1 TOWER 1 Tenant 2 Tenants 3 Tenants Existing tower Additional tower Contract ended 100 10 10 10 70 10 Contract renewals Revenue Rp mn 144 288 432 -100 EBITDA Rp mn 122 255 387 Renewed contract 100 EBITDA margin % 85.0% 88.5% 89.7% Churn rate (5%) -5 Capex & ground lease* Rp mn 950 1,100 1,250 Total tower 110 120 130 200 205 Unlevered ROI** % p.a. 11.4% 20.6% 27.5% Payback period years 8.80 4.87 3.63 Revenue (Rp mn) 15,840 17,280 18,720 29,520 Assuming 100 existing towers with 10 year lease period, renewed at Year 11 with 5% churn rate. Additional new site assumes 10 towers p.a. *Assuming 10 years ground lease ** EBITDA minus 10% final tax divided by total capex # of Towers 250 200 150 100 50 Year Year Year Year Year Year Year Year Year Year Year 1 2 3 4 5 6 7 8 9 10 11 # of tower Revenue Rp mn Rp mn 35,000 500 30,000 400 25,000 20,000 300 15,000 10,000 200 5,000 100 30% 20% 10% 0% 1 Tenant 2 Tenants Revenue EBITDA 3 Tenants Unlevered ROI @2023 PT Sarana Menara Nusantara Tbk 5

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