Established in 2003, PT Profesional Telekomunikasi Indonesia (Protelindo or the Company) is one of the leading independent digital infrastructure companies in Indonesia. As of March 2026 , Protelindo owned and operated approximately 36,247 telecommunication tower sites and 60,540 tenants, also ~173,800 km fiber optic network in Indonesia, primarily in Sumatra, Java, Bali, Kalimantan and Sulawesi.

Protelindo’s primary business is leasing space on its multitenant tower sites to major wireless operators in Indonesia pursuant to long-term lease agreements. The leased space consists of vertical space on the tower, on which our customers able to install both radio frequency antennas and microwave antennas, as well as ground space at each site for their shelters and cabinets for electronic equipment and power supplies storages. 

Protelindo also provides FTTT (fiber to the tower) which increases the value and utility of our network to Telcos. This network build to focus on support surging data traffic. By end of December 2025, the Company has more than ~224,290 kms revenue generating fiber. Other than FTTT, Protelindo has FTTH (fiber to the home) assets reaches ~1,813,300 home passes and 258,695 activations by the end of December 2025.

Our geographically diversified tower and fiber portfolio offers coverage across the entire Indonesia archipelago, and therefore strengthening our position as the preferred digital infrastructure company able to address the needs of national, regional, local, and emerging wireless communication company operators.

Protelindo operates independently from the wireless communication operators and has a diversified customer base. Our key customers include the major telecommunications operators in Indonesia such as: PT Telekomunikasi Selular (Telkomsel), XLSMART Telecom Sejahtera Tbk (XLSMART), and PT Indosat Tbk (Indosat).

TOWR shares included in LQ45, IDX80, Kompas100, SMinfra 18, Investor 33, MBX MSCI Small Cap Index ESG footprint: IDX ESGL, IDX LQ45LCL, MSCI ESG Rating: A, Sustainalytics: 24.2 (0-100, lower is better), S&P: 36 (0-100, higher is better)

(Status 4Q25)