#1Telkom Indonesia the world in your hand Corporate Presentation 1H23 Results PT Telkom Indonesia (Persero) Tbk August 2023#2Telkom Indonesia the world in your hand Disclaimer This document may contain forward-looking statements within the meaning of safe-harbor. Actual results could differ materially from projections, estimations or expectations. These may involve risks and uncertainties and may cause actual results and development to differ substantially from those expressed or implied in the statements. The company does not guarantee that any action, which may have been taken in reliance of this document will bring specific results as expected. 2#31H23 Results Telkom in Brief 1H23 Financial and Operational Results Telkom Indonesia the world in your hand 3#4Telkomsel TELKOM Group Board of Directors CEO TELKOM GROUP RIRIEK ADRIANSYAH DIRECTOR HERI SUPRIADI Telkom Indonesia the world in your hand DIRECTOR HERLAN WIJANARKO DIRECTOR FM VENUSIANA R DIRECTOR BUDI SETYAWAN WIJAYA DIRECTOR MUHAMAD FAJRIN RASYID DIRECTOR AFRIWANDI DIRECTOR BOGI WITJAKSONO DIRECTOR HONESTI BASYIR CEO TELKOMSEL HENDRI MULYA SYAM DIRECTOR MOHAMAD RAMZY DIRECTOR ADIWINAHYU BASUKI SIGIT DIRECTOR BHARAT ALVA DIRECTOR NUGROHO DIRECTOR R. MUHARAM PERBAWAMUKTI DIRECTOR DERRICK HENG DIRECTOR WONG SOON NAM 4#5Share Ownership Ownership Listings IDX Inclonesia Stock Exchange Bursa Efek Indonesia 52.1% Government of Indonesia NYSE Telkom Indonesia 47.9% the world in your hand Public Telkom Indonesia is the only dual-listed Indonesian company at Indonesia Stock Exchange (Bloomberg: TLKM IJ) and New York Stock Exchange (TLK US) Telkom Indonesia the world in your hand Total Shares 99,062,216,600 shares Market Capitalization Rp369 Tn (USD24.2 Bn)* *as of 31 July 2023 5#65 Bold Moves Strategy Five Bold Moves Framework DIGITAL PLATFORM DIGITAL CONNECTIVITY 1 2-speed approach to drive Fixed and Mobile collaborations¹ 2 Value unlock in infrastructure2 123 B2C B2B (TSEL focus) || (TLKM focus) FMC InfraCo- FiberCo Customer-centric telco operator Telkom Indonesia the world in your hand 3 Setup of a regional DC & hybrid digital infrastructure³ leader DC Co Set up 4 transformative B2B Digital IT services Leader B2B Digital IT Service Co DIGITAL SERVICES 5 Setup of DigiCos to build and scale new digital businesses and capture synergy value for Telkom Group DigiCo (Telkom and Telkomsel) Infrastructure Business Digital Growth Engine Needs deeper exercise across multiple strategic dimensions including complexity, regulation, stakeholder, financial impact TowerCo has already completed IPO to unlock value in November 2021 DC-related is placed under Digital Platform to accommodate integrated directions and more comprehensive strategies, including Cloud and Tech-giant strategy 6#71H23 Results Telkom in Brief 1H23 Financial and Operational Results Telkom Indonesia the world in your hand 7#8Performance Highlights Telkom Indonesia the world in your hand During the first half of 2023, Telkom recorded positive growth of 2.1% YoY to Rp73.5 trillion in Revenue supported by the growth of Data, Internet & IT Services of 6.1% YoY to Rp41.6 trillion, IndiHome of 4.0% YoY to Rp14.4 trillion, and Interconnection of 5.7% YoY to Rp4.5 trillion. Telkomsel's Digital Business kept growing healthily with 9.4% YoY growth in data traffic and its contribution reached 85.6% of total Telkomsel's revenue as compared to last year's contribution of 80.5%. Telkomsel's subscribers in 2Q23 reached 153.3 million, increased from 151.1 million in 1Q23 with the growing ARPU to Rp49.7 thousand from Rp45.3 thousand in the previous quarter. EBITDA declined by 2.7% YoY as the impact of increasing cost from additional spectrum acquisition to secure capacity and quality of our network in long-term period. Telkom and Telkomsel signed deed of spin-off to integrate IndiHome to Telkomsel (FMC) on June 27, 2023 and legally IndiHome has been under the management of Telkomsel on July 1, 2023. By having FMC is expected to increase revenue from potential commercial synergies and will also help Telkom Group to be more efficient in operational expenses and capital expenditures. Therefore, Telkom could concentrate on B2B business while Telkomsel will defend its dominancy in B2C Telco business. IndiHome continued to become our engine of growth supported by 9.5 million total subscribers or grew 7.2% YoY and increasing add-ons revenue. 80#9Revenue 72.0 73.5 39.2 41.6 1H22 1H23 1H23 Revenues Rp trillion, YoY 72.1% Data, Internet & IT Services 76.1% 13.8 14.4 9.3 7.5 4.2 4.5 IndiHome SMS, Fixed & O Cellular Voice 74.0% 19.4% 75.7% Telkom Indonesia the world in your hand 1H22 1H23 5.4 5.5 Interconnection Network & Other Telco Services 71.8% 9#10Expenses and Profitability 50.5 49.0 1H22 1H23 1H23 Expenses Rp trillion, YoY 72.9% 17.8 19.2 Operation, Maintenance & Telco Services 77.4% EBITDA Rp trillion, YoY 2.7% Telkom Indonesia the world in your hand 39.4 38.4 Net Income Rp trillion, YoY 13.3 12.8 4.2% % Margin 54.8 52.2 18.5 17.4 Note: Operating Net Income 1H22: Rp12.8 tn, 1H23: Rp12.5 tn, 2.4% YoY Operating Net Income Margin 1H22 17.8%, 1H23 17.0% 1H22 1H23 1H22 1H23 7.5 7.8 2.8 3.3 2.6 3.1 1.7 1.7 Personnel General & Administrative Interconnection Marketing 74.2% 718.1% 716.8% 2.4% 10#11Telkomsel Performance Total Revenues (Rp Bn) EBITDA (Rp Bn) Legacy +1.0% Digital Business 43,586 44,009 6,316 8,504 -25.7% -0.9% Net Income (Rp Bn) Telkom Indonesia the world in your hand +4.7% 24,882 24,662 -5.8% 21,499 3,349 22,510 2,967 +6.1% -11.4% 35,082 37,693 +7.4% 11,401 +1.5% 10,736 11,968 12,694 57.1% 18,150 19,543 5,327 5,409 26.2% +7.7% 56.4% 56.0% 24.4% 55.7% 24.8% 24.0% HH 1Q23 2Q23 1H22 1H23 1Q23 2Q23 1H22 1H23 1Q23* 2Q23* 1H22* 1H23* Customer Base (Million) 151.1 1Q23 +1.5% ARPU (Rp 000) *) Includes inorganic initiatives with fair value of investment in GoTo Total BTS On-Air (Units) 5G 4G 3G 2G -9.7% 169.7 153.3 -11.8% -10.5% 153.3 45.3 +9.8% 49.7 42.0 +13.1% 47.5 258,929 285 228,377 420 255,107 193 228,377 420 168,108 154,704 +6.4% +15.7% 178,945 178,945 41,444 50,011 0 0 49,092 49,012 50,199 49,012 HF #1 2Q23 1H22 1H23 1Q23 2Q23 1H22 1H23 1Q23 2Q23 1H22 1H23 Positive revenues growth with cost optimization initiatives led to healthy levels of profitability. Number consolidation from healthy productive subscribers provide solid ARPU growth. Strengthen network leadership that support focus on Digital Business and customer experience including finished the process of 3G shutdown. 11#12Telkomsel Digital Business Digital Business Revenue (Rp Bn) Data User (Million) Digital Service +7.4% Broadband 37,693 35,082 5,176 5,901 +14.0% +0.2% -1.1% +7.7% 117.7 118.0 119.3 118.0 18,150 19,543 3,098 2,802 +10.6% 29,906 31,792 +6.3% 15,348 16,445 +7.1% 1Q23 2Q23 1H22 1H23 Data Payload (PB) +7.0% 4,119 4,406 7,794 +9.4% 8,524 Telkom Indonesia the world in your hand 1Q23 2Q23 1H22 1H23 Data User Consumption (MB) Continue to focus on Digital Business and increased its contribution to total revenues to 85.6% driven by growth of Broadband and Digital Services Productive Data users with healthy growth in Data payload and Data user consumption +5.0% 12,324 12,947 11,629 +11.2% 12,935 1Q23 2Q23 1H22 1H23 1Q23 2Q23 1H22 1H23 12#13Fixed Line Business Telkom Indonesia the world in your hand IndiHome Add-ons Revenue 16.6% of IndiHome Revenue Total Subscribers 9.5mn 77.2% YoY Coverage 501 cities Revenue (Rp) 14.4tn 74.0% YoY EBITDA Margin Relatively stable at around 50% Additional Subscribers 316k in 1423 97.5% Indonesian cities / districts % Customer Proportion 66:34 89:11 Dual Play Triple Play Residential: Enterprise Revenue (Rp) 9.3tn 国油 Enterprise Business 76.7% YoY Biggest Solutions Contributors B2B IT Digital Services Enterprise Connectivity Strenghtening the Business ☐ Cloud Business Building ☐ Strategic Partnership with Global Tech Players Wholesale & Revenue (Rp) 8.2tn 713.2% YoY Internasional Business Growth Contributors ☐ International Wholesale Voice ☐ Digital Infrastructure Revenue (Mitratel stand-alone) 36,719 Rp4.1th Towers 10.8% YoY Biggest Towerco in SEA In terms of towers owned EBITDA & Net Income Margin 1.49x 81.2% & 24.8% 30 data centers 25 domestics 5 overseas 42MW IT Load DC&Cloud Revenue Tenancy Ratio Capacity Rp837bn 13#14Strategic Initiatives Fixed-Mobile Convergence (FMC) Data Center and Clouds InfraCo Telkom Indonesia the world in your hand Telkom and Telkomsel signed the deed of Spin- off on 27 June 2023 to integrate IndiHome business Telkomsel. Telkom's shareholding position in Telkomsel increased from 65% to 69.9%. to FMC is very strategic to maintain the competitiveness and superiority in facing business competition, to improve the service quality provided to customers, to accelerate the process of providing equal broadband services throughout all regions of Indonesia. The presence of robust data centers and cloud infrastructures are the key to enable us in developing various digital solutions to enhance customers' experience. With our integrated network, we are able to accommodate our customers' future business digitization needs. Infrastructure value unlock, starting with Tower. We will continue to explore new InfraCo and infra sharing potential. This initiative aims at optimizing Telkom's Capex consolidated efficiency, quality improvement, and coverage of service; to optimize asset utility and market penetration, cater Telco business challenge, and create business value that meets investors' expectations. 14#15<P> PT Telkom Indonesia (Persero) Tbk August 2023 Telkom Landmark Tower, Gatot Subroto 52, Jakarta 12710, Indonesia www.telkom.co.id @ RO Telkom Indonesia the world in your hand