Slides
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Q3 2026 results Investor and analyst presentation 05 November 2026
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Introduction Louis Schmid, Head Investor Relations Achievements Christoph Aeschlimann, Group CEO Business update Christoph Aeschlimann, Group CEO Financial results Eugen Stermetz, Group CFO Q&A Appendix Agenda 2
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Christoph Aeschlimann Group CEO 3 Achievements
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4 Another positive quarter, advancing on strategic priorities and … #1 in service excellence Winner of hotline, service apps and shop connect tests in Switzerland Keep innovating Empowering connectivity experience across all segments Integration on track Strong synergy delivery 2026, run-rate target 2029 confirmed Guidance 2026 confirmed EBITDAaL and OpFCF growing Successful value strategy execution Positive momentum in Telco service revenue in Switzerland and Italy Highlights Shaping the future of B2B Carving out digital transformation capabilities, focusing the core and strengthening the leadership team
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§ 3'715 (-0.4%) 5 … delivering strong financial results Financial results 1) At constant currency, 2) Segment 'Others', including intersegment elimination group level,3) See detailed figures in appendix in CHF mn (YOY) 10'936 (-2.1%) 1'276 (-2.0%) 3'833 (+1.5%) -688 (+0.4%) -2'043 (-5.9%) 588 (-4.8%) 1'790 (+11.5%) Revenue EBITDAaL CAPEX OpFCF Q3 9M -64+110 1'606 1'790 +149 -12 +93+66+34+46 Q1 Q2 Q3 +30 -10 -21 Adjusted +248 (+14.5%) Q1: +117 , Q2: +110, Q3: +21 +184 (+11.5%) +96 +117 -51 Switzerland Italy1 Adjustments and currency3 9M 25 9M 26Others2 -29 Higher OpFCF from Switzerland and Italy +8 -10 -3 +1
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Christoph Aeschlimann Group CEO 6 Business update
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7 Focus 2026 Clear priorities to grow free cash flow 2 Continue Telco turn-around 3 Scale growth in IT and Energy 1 Drive integration and capture synergy potential Stable free cash flows from Switzerland Growing free cash flows from Italy 2 Boost Telco efficiency 3 Achieve profitable IT growth 1 Manage Telco top line
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8 Manage Telco top line Expanding customer reach and strengthening trust • Expanding Swisscom and wingo retail presence at 10 MediaMarkt stores, unlocking new customer touchpoints and delivering premium experience across mobile, Internet, TV and security • Launch of free Security Helpline, granting customers access to expert guidance and reinforcing Swisscom’s position as a trusted partner for a secure digital life 1) The price adjustments from April 2026 do not affect universal service offerings, prepaid products or data-only and kids’ mobile subscriptions, 2) Postpaid (PP) value, 3) Total B2C access + traffic + VAS revenues divided by B2C broadband RGUs (all brands) Leading on service and advancing multi-brand portfolio • Triple win for My Swisscom App (with historic 1'000/1'000), hotline (mobile and broadband) and shop, reinforcing Swisscom’s leadership position in service excellence • Encouraging launch of 'Young Benefit', all blue mobile subs at half price for all under 28 • Strong customer interest in Security portfolio (net adds >+50% QOQ) and MyAI with rising active user base, confirming product-market fit • 2nd/3rd brands with price increase as from 1 Sept: wingo CHF +1/m and Migros Mobile CHF +0.5-1.0/m, supporting value approach B2C: quality leadership and portfolio initiatives drive growth and value RGU and net adds in k (YOY) +19 +10+18 ARPU in CHF (YOY) Q3 Q4 Q1 Q2 Q3 25 26 3'120 1'647 -3 -8 -7 Churn in %, annualised 6.8 7.4 7.2 Q3 25 Q4 Q1 26 Q2 Q3 7.7 8.9 8.9 PP value BB W+ bundle3 PP value 48 48 48 89 90 90 (+59, +1.9%) (-31, -1.9%) (-1.3%) (+0.2%) Q3 Q4 Q1 Q2 Q3 25 26 PP value2 BB Free Security Helpline Q3 with resilient operational momentum • Following April’s own-brand price increase1, churn further normalising while ARPU developing stable. RGU trends supported by positive PP value net adds and stabilising BB performance
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9 RGU and net adds in k (YOY) -4 -13 -7 -3 -4 -4 ARPU in CHF (YOY) 35 35 36 B2B: protecting Telco valueand driving profitable IT growth PP value 1'308 249 BB (-58, -4.2%) (-14, -5.5%) Manage Telco top line and achieve profitable IT growth (+2.8%) Leader in Security Services for 7th year in a row according to ISC Provider Lens Q3 Q4 Q1 Q2 Q3 25 26 Q3 Q4 Q1 Q2 Q3 25 26 PP value IT EBITDAaL in CHF mn (YOY) 35 34 40 Q3 Q4 Q1 Q2 Q3 25 26 +5 (+14.6%) IT: driving profitable growth and sovereign leadership • Continued momentum in cloud, workplace and security services • Boosting sovereign AI and cloud through Swiss Parliament pilot, Finnova banking platform and MTF Solutions – itnetX merger • Supporting long-term growth opportunities with major healthcare contract wins and continued Swiss armed forces project momentum Telco: protecting value in core and unlocking new growth opportunities • Operational trends broadly consistent: W- and BB with continued RGU pressure, partly offset by slightly higher ARPU QOQ from SME price adjustments, pricing discipline and quality-led win-backs • beem gaining adoption through integrated security differentiation, while IoT growth and new SME offerings improve value generation in connectivity +16% Users Locations +15% QOQ Blocked attacks 37mn QOQ Total YTD Building momentum for sustainable B2B growth • Carving out and bundling digital transformation, software and data capabilities within one dedicated unit 'Swisscom Digital Technology' (to be reported in subsegment 'Others' from Q1 2027) • Focusing core B2B on Swisscom’s unique strengths of connectivity & security, cloud & AI and IT outsourcing for banking and public administration – rooted in local presence and based on deep customer trust
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10 RGU and net adds in k Q3 Q4 Q1 Q2 Q3 25 26 +14 +14 +12 Access market share in % Network and Wholesale: connectivity leadership and wholesale momentum Manage Telco top line W+ access services revenue in CHF mn (YOY) 50 55 54 18.1 18.8 19.0 Q3 Q4 Q1 Q2 Q3 25 26 3 4 BB 808 (+45, +5.9%) Q3 Q4 Q1 Q2 Q3 25 26 Successful 5G SA demonstration at scale as official partner for SailGP Geneva FTTH coverage2 (YOY in pp) Pop coverage (YOY in pp) 90% (+2.0) ≤ 10 Gbps >200 Mbps >80 Mbps 99% (+0.0) 5G+ 5G 94% (+0.4) 88% (+1.2) 59% (+4.6) +4 (+8.3%) 1) 5G Standalone, 2) Share of total 5.67mn HHs and companies in Switzerland, 3) Together with retail (B2C+B2B) share of 45% as per 30.06.2026, Swisscom's BB share totals to 64%, Source: Swisscom estimates, 4) Incl. intersegment revenue Sustained momentum across Wholesale • Wholesale momentum remained solid, with RGUs growing by +5.9% YOY, net adds +12k in Q3, further strengthening access market share to 19.0% • Continued expansion of FTTH share, now at 56.4% (+7.4pp YOY) and translated into consistent growth in access service revenue Scaling network and next-generation connectivity • 5G+ coverage up to 90% (+2.0pp YOY), FTTH up to 59% (+4.6pp YOY) • FTTH rollout: FAC ruling overturned COMCO’s decision, supporting the original P2MP approach but not yet in force. For the time being, rollout continues in P2P; judgment remains subject to appeal before Federal Court • Advancing 5G SA1 Dual Mode Core implementation, by scaling successfully to nearly 4 million subscribers and paving the way for broader adoption and future mobile services • Swiss spectrum auction process launched by ComCom for mobile spectrum licences (800/900 MHz, 1.8/2.1/2.6 GHz) covering 2029–2043 with auction expected in Q2 2027; the auction conditions generally allow Swisscom to reacquire existing spectrum portfolio
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11 2026 target for Telco cost savings of CHF >50mn achieved after 9M Boost Telco efficiency Telco costs savings in CHF mn Contact centre workload hours YOY, indexed -7% Productivity gains in selected software development domains over last 2 years 25 42 61 >50 3M 6M 9M 12M up to +30% AI retail analytics LLM-based AI host Anonymous movement tracking in shopsScaling efficiencies through AI and transformational initiatives • Pushing process automation and cloud-native delivery with growing use of AI coding tools and optimized ways of working continuously improve resource efficiency • Adopting AI – including early agentic AI – boosting productivity in selected software development domains Enhancing B2C customer journeys through automation and AI • Nearshoring, digital self-service, automation and IT simplification through voice and chat bot continue to drive cost savings and reduce contact-centre workload by -7% YOY • Advancing AI- and hardware powered retail analytics across shops to deepen customer journey insights, with first validated results expected in early 2027 • Piloting next level shop digitalization with an LLM-based AI host, enabling natural dialogue and intelligent customer guidance. Rollout targeted for Q4
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12 Synergies target FY 26 Vodafone Italia integration proceeding as anticipated Drive integration and capture synergy potential Integration initiatives on track • People and culture integration progressing as planned • Culture and change program in execution • Unwanted attrition stable YOY • IT and network consolidation programs in full swing • Brand consolidation in Italy on Fastweb brand over the next years. Fastweb brand relaunch in H1 2027 • Integration cost phasing optimised, up to 10% of integration cost backloaded into 2028. Total target of EUR ~700mn unchanged Synergy realisation as planned • MVNO synergies at full run-rate, contributing EUR ~150mn YTD • Further synergies ramping up across all functions • Transition out of Vodafone Group services progressing well • Strong cost delivery in 2026. Run-rate target of EUR ~600mn by 2029 confirmed Synergy ramp-up 2 12 22 59 77 89 99 Q1 25 Q2 Q3 Q4 Q1 26 Q2 Q3 265 in EUR mn Network consolidation program >300 in EUR mn EUR >300mn = >50% of run-rate ambition 2029
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13 Value strategy improving operational trends and Telco service revenue development • W-: ARPU stabilisation YOY thanks to completed back-to-front-book price alignment. Pricing discipline affects gross additions but improves inflow quality, leading to softer net adds. Q3 additionally affected by one-off effects1 in RGU base. Underlying churn stable QOQ: 16.1%2 • BB: back-to-front-book price alignment in progress, impacting net adds as anticipated (-49k in Q3) while repricing benefits are expected to build-up forthcoming • Mid-to-high-end tier acquisition focus, supporting ARPU and churn evolution, through launch of innovative Fibre proposition and new Fastweb SevenX modem • Value-led strategy consistently contributing to Telco service revenue stabilisation Scaling up Energy business B2C: keep focus on Telco value and enhanced convergence with Energy Continue Telco turn-around and scale growth in Energy 1) Q3 net adds affected by a clean-up of ~30k technical deactivation and ~30k inactive/non-paying subs, net adds on active/talking SIMs -2k QOQ, 2) Underlying churn (excluding extra churn due to technical deactivation and one-off cleaning of inactive/non-paying subs) of 16.1%, 3) BB net adds calculated on a restated RGU base (1P fixed voice lines excluded), 4) 2025 BB churn restated as from 2026 1P fixed voice lines excluded, 5) 2025 ARPU W- restated due to revenue shift of termination revenue from Telco services to Wholesale revenue, 6) Energy HHs with at least 1 BB subscription: 157k out of total B2C Energy subscriptions (179k) • Sales up +9% QOQ thanks to value-add in converged home experience, confirming demand for Energy services Fastweb SevenX RGU and net adds in k (YOY) 3 ARPU3 in EUR ARPU in EUR (YOY) -79 -98 4’350 (-125, -2.8%) -15 -40 -49 Churn in %, annualised 18.3 16.0 Q3 25 Q4 Q1 26 Q2 Q3 15.4 16.2 15.9 W- W- BB BB 24 24 24 BB W- Energy RGU in k 8.4 8.3 8.4 4 (+0.0%) (-0.1%) 179 (+38 in Q3) 88% convergence6 Q3 Q4 Q1 Q2 Q3 25 26 Q3 Q4 Q1 Q2 Q3 25 26 5 -165 16.12 17.7 -100115’174 (-565, -3.6%)
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14 Continue Telco turn-around and scale growth in IT and Energy Building momentum across IT and Energy • Strengthening positioning as IT provider in SME through: • adding higher-value services (e.g. AWS) to connectivity • leveraging newly released governmental innovation vouchers to further support demand for digitalization • Driving Energy momentum through portfolio expansion, expected to scale further in Q4 B2B: securing Telco value while sustaining momentum beyond core Energy RGU in k RGU and net adds in k (YOY) 4’477 +40 -6 +13 1’099 (+48, +1.1%) (-23, -2.0%) -6 -9 -2 Customer wins and renewals Governmental Vouchers campaign BB W- 35 (+7 in Q3) Q3 Q4 Q1 Q2 Q3 25 26 Protecting core value • Value-focused (renewal) strategy supporting Q3 operational KPIs • Public Administration: win of higher-value Consip Mobile framework (TM 2900) securing W- RGU base and reinforcing our positioning • Corporate: major cross-sector contract wins (from professional services to insurance, energy and fashion) • SME/SOHO: strong value focus improving W- net adds, churn and ARPU inflow (EUR +1 YOY) and maintaining BB ARPU stable YOY • Driving innovation through Mobile Private Networks for critical utility infrastructure services supporting connectivity top line
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15 FTTH coverage2 54% 63% FTTH Q3 25 Q3 26 Network and Wholesale: expanding reach and building resilience 1) 'Passive' FTTH consists of primary network and/or GPON equipment (in central office) of Fastweb + Vodafone being connectedto backbone network of Fastweb + Vodafone. 'Active' FTTH consists of secondary and/or primary network incl. GPON equipment of FiberCop or Open Fiber being connected to backbone network of Fastweb + Vodafone, 2) Share of total 29.2mn HHs and companies in Italy Wholesale MVNO migrations completed, new customers ramping up and UBB growth sustained Sustaining investments into coverage expansion Continue Telco turn-around and scale growth in wholesale • Lyca migration completed in Q3, with RGU effect and revenue impact as expected • Ramping up W- RGU base through gradual onboarding of Sky and Enel MVNOs as key contributors • Expanding BB lines further (+20.6% YOY), driven by sustained high-speed connectivity demand Pop coverage Key customers 87% 91% 5G Q3 25 Q3 26 Ambition 2026: ~92%, 2030:~95% Ambition 2026: ~65%, 2030: ~90% RGU and net adds in k (YOY) 4’773 +724 -2'335-1'082 (-3’287, -40.8%) W- BB +45 +49 +401’283 (+220, +20.6%) Q3 Q4 Q1 Q2 Q3 25 26 • Successful expansion of 5G pop coverage: 91% (+4pp YOY) • Advancing FTTH coverage to 63% (+9pp YOY), equally split between own and wholesale fibre access1 • Spectrum renewal: reply to AGCOM (national regulatory authority) consultation issued in early October intending to engage constructively ahead of AGCOM’s final decision, expected by end 2026 or early 2027
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16 Progressing active mobile infrastructure optimisation • Advancing RAN sharing with TIM1 to accelerate 5G coverage in low-density areas, currently subject to regulatory review and expected to be concluded by April 2027 Infrastructure initiatives progressing as expected Tap into new opportunities for upside Passive infra up to 6k new sites Others <35k Active infra habitants RAN sharing with TIM to accelerate 5G coverage Municipalities with Securing long-term passive infrastructure at market terms • Progressing MSA termination with INWIT, supported by the Milan Court’s rejection of INWIT’s request for interim measures • Operational continuity: secured through fully effective INWIT agreement until March 2028, and with tower access maintained during migration phase • Advancing a flexible, long-term tower strategy - Proceeding with Tower JV with TIM to deploy up to 6k new sites, targeting a binding agreement by year-end - Developed a multi-source migration plan from 2028 onwards to preserve service continuity and maximize long-term operational optionality ~30k sites today’s market2 JV with TIM ~26k sites 1) Subject to required authorization, 2)Today Fastweb + Vodafone is co-located in ~80% of total INWIT sites and ~13% of total sites of alternative TowerCos Migration plan (illustrative)
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Eugen Stermetz Group CFO 17 Financial results
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18 Q3 adjusted EBITDAaLhigher thanks to Switzerland Q3 Telco service revenue decline compensated by Telco cost savings and higher wholesale and IT contribution Q3 stable, positive impact from synergy realisation offset by Telco service revenue decline and lower contribution from wholesale as well as different phasing of indirect costs Q3 adjustments of CHF -48mn, resulting from Switzerland (CHF -67mn) and Italy (CHF +18mn), minor currency impact Group revenue and EBITDAaL Q3 Telco service revenue with moderate decline and lower hard- and software revenue, partly offset by B2B IT service revenue growth Q3 with further slow down of Telco service revenue decline and lower wholesale revenue, mostly compensated by growing energy business 9M 25 21 Switzerland 9M 26Italy1 Currency3Others2 11'175 -76-113 -14 10'936 -164 (-1.5%) | Q1: -109, Q2: -38 , Q3: -17 2 1 -76 -35 -7 -44 -34 -153 -72 -36 -240 (-2.1%) Revenue in CHF mn -25 -2 -1 5 -57 Switzerland Italy1 Others2 9M 26 -11 43 Adjustments and currency3 3'833 5 3'777 9M 25 +31 4 3 +56 Adjusted +113 (+3.0%) | Q1: +16, Q2: +76 , Q3: +21 EBITDAaL in CHF mn +30 +62 -8 -6 -3 +10 +72 -5 +16 -2 +94 (+1.5%) Q1 Q2 Q3 -2 -9 -6 +3 -14 +1+21 Q1 Q2 Q3 -48 -26-1 1) At constant currency, 2) Segment 'Others', including intersegment elimination group level, 3) See detailed figures in appendix
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19 Q3 investments close to prior year level and with construction volume FTTH similar to Q1 and Q2 (vs higher volumes in H1 2025) Q3 as expected with higher investments due to different in-year phasing Q3 adjusted OpFCFincrease driven by EBITDAaL Group CAPEX and OpFCF -2'171 +55+79 -0 21 Switzerland9M 25 9M 26Italy1 Adjustments and currency3Others2 2 -2'043 1CAPEX in CHF mn Adjusted +134 (-6.4%) | Q1: +101, Q2: +34, Q3: -0 -6 +63 +4 +11+40 +30 (-5.9%) +128 +86 +45 -64 +110 Switzerland Italy1 Others2 Adjustments and currency3 9M 269M 25 1'606 1'790 Adjusted +248 (+14.5%) | Q1: +117 , Q2: +110, Q3: +21 OpFCF in CHF mn -2 -15-1Q1 Q2 Q3 +184 (+11.5%)+149 -12 +93 +66 +8+34 +46 -10 -21-3 +9 -12 +2 -3 -3 Q1 Q2 Q3 +30 -10 +1 -51 1) At constant currency, 2) Segment 'Others', including intersegment elimination group level, 3) See detailed figures in appendix +96 +117 -29
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20 Q3 adjusted EBITDAaLup thanks to Telco cost savings and Wholesale Q3 Telco service with moderate decline (CHF -6mn) supported by price increase, higher hard- and software revenue (CHF +12mn) and other (CHF -2mn) Q3 with lower Telco service revenue (CHF -12mn), lower hard- and software sales (CHF -19mn) and growing IT service revenue (CHF +8mn) Q3 with continued growth in access services, and higher termination/inbound roaming revenue Switzerland revenue and EBITDAaL 1 6 7 Q3 slightly higher as decline in Telco service revenue was overcompensated by Telco cost savings and higher hardware margin Q3 lower due to Telco service revenue decline, only partially compensated by cost savings and IT Higher Q3 contribution supported by revenue growth in access services and lower outpayments (catch-up vs. Q1) Q3 up thanks to Telco cost savings Q3 down YOY due to restructuring costs (CHF -29mn), in addition prior year was positively impacted by other adjustments (CHF -38mn) 5 4 3 2 9M 26 +13 5'862 5'826 -19 (-0.6%) -35 (-1.6%) 9M 25 B2C B2B Wholesale ISF1, 2 1 2 3 -36 (-0.6%)+5 (+1.2%) Revenue in CHF mn Q1 Q2 Q3 -12 -11 -13 -8 +5 +8 +3 -25 -2 9M 25 9M 26 EBITDAaL in CHF mn +9 +13 +13 +18+20 2'530 -3 -7 -9 +1 -7 -5 -14-6 B2C 2'564 B2B Wholesale ISF1 4 5 7 +15 6 -34+36 (-1.3%) -65 Adjusted +31 (+1.2%) | Q1: -5, Q2: +16, Q3: +21 Adjustments3 +1+4 -24 +7 +1 -9 +4 -6 +13 +10 -67 -46 8 8 Q1 Q2 Q3 1) Infrastructure & Support Functions, 2) Including intersegment revenue, 3) See detailed figures in appendix
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21 Switzerland CAPEX and OpFCF Q3 adjusted OpFCFYOY slightly better Q3 investments close to prior year level. Construction volume FTTH similar to Q1 and Q2 (vs high volumes in H1 2025). ~60% FTTH coverage by YE 2026 confirmed CAPEX in CHF mn -1'149-1'228 +7 (-6.5%) +79 +57 +12 +7 -3 W- network W+ access network IT Backbone & infrastructure Other9M 25 9M 26 0 -4 +28 +31 +3 +4 +4 +4 +4 -5 +40 +30 Q1 Q2 Q3 CAPEXEBITDAaL9M 25 1'336 +31 9M 26 1'381 +46 (+3.4%) OpFCF in CHF mn -65 Q1 Q2 Q3 -5 +16 +40 +30 +20 +34 +48 Adjusted +110 (+8.4%) | Q: +34, Q2: +46, Q3: +30 +79 +11 -3 +5 -2 +9 +21 +9 -67 -37 1) See detailed figures in appendix 1 1 -1 Adjustments1
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22 Switzerland Telco service revenue and EBITDAaL drivers Telco EBITDAaL adjusted in CHF mn and YOY changes EBITDAaLService revenue B2B Costs 902 1'152 250 105 margin 9.1% -1'047 Other revenue categories4 Revenue (-0.5%) (+0.7%) (+32.8%) IT EBITDAaL in CHF mn and YOY changes +18-4 +8+12 +26YOY 2'772 1'028 4'689 889 2'463 -1'405 -821 margin 52.5% 3'800 Other revenue categories 2 EBITDAaL adjusted3 B2C Direct costs Indirect costs Service revenue B2B Revenue YOY +5-25 -47 -11 +61+27 -44 (-0.9%) (+0.2%)(-4.2%) -71 (-1.8%) Telco service revenue: stable evolution QOQ, slightly better than expected (-0.9%) (-4.3%) Q3 25 Q4 Q1 26 Q2 Telco service revenue YOY changes in CHF mn -35 -30 -34 -19 (-2.6%) (-2.3%) (-2.6%) (-1.5%) Total t/o Q3 +16-6 -12 -5 +19+21 +2 +17+8 -12-20 +5t/o Q3 Q3 -18 (-1.4%) t/o in Q3 -6 BB -6 fixed voice +6 -13 -8 -17 -12 -16 -3 +7 -1 -6 +8 -5 +9 -10 -1 +3 -10 -11 -12 -14 -6 -10 -9 -6 -11 +5 B2C W- W+ t/o in Q3 -10 brand mix B2B W- W+ -6 -7 -18 -18 -18 -8 -16 -7 -12 -11 -10 -9 -12 -11 -10 -8 -11 -6 -1 -1 -2 -1 +8 -7 -4 -4 -2 -2 -5 -2 -6 -1 -12 +4 -7 -2 -7 +5 -10 -9 -1 RGU1 ARPU RGU ARPU RGU ARPU RGU1 ARPU +1 1) Excluding postpaid volume, 2) Includes hard- and software, wholesale and other revenue, 3) Excludes restructuring cost, see detailed figures in appendix , 4) Includes hard- and software and other revenue -2
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23 Revenue in EUR mn Italy revenue and EBITDAaL Q3 adjustedEBITDAaLaffected by MVNO losses and cost phasing 1) Including intersegment revenue segment Italy, 2) Contribution margin = revenue minus direct costs, 3) Including intersegment elimination (CM), 4) See detailed figures in appendix 54 7 1'370 6 1'244 8 -22 (-1.9%) Indirect costs 9M 25 CM2 B2C CM2 B2B CM2 Wholesale Adjustments4 9M 26CM2,3 ISF +25+43 +94 (+6.9%) EBITDAaL in EUR mn +125 (+10.1%) Adjusted +100 (+7.7%) | Q1: +32, Q2: +66, Q3: +2 -18 (-5.5%) +3 +21+43 -10 -5 +9 -8 -3 +1 +15+36 +2+4 +36+69 9M 25 9M 26B2C B2B Wholesale 1 2 3 -121 (-2.2%) -87 (-3.7%) -45 (-1.8%) +10 (+1.7%) 5'383 ISF1 5'262 Q1 Q2 Q3 -45 -11 -55 -27 +20 -1 0 -81 -370 1 2 4 3 Q3 with lower Telco service revenue decline (EUR -20mn), higher hardware sales (EUR +14mn) and growing energy business (EUR +18mn) Lower Q3 Telco service revenue (EUR -3mn), IT services (EUR -6mn) and hard- and software sales (EUR -10mn) partially compensated by energy growth (EUR +15mn) Loss of MVNO customers (Poste, Lyca) and lower IRU sales partially compensated by growing UBB business Telco service revenue decline in Q3 overcompensated by synergy realisation Q3 revenue impact Q3 impacted by loss of MVNO customers and lower IRU sales Q3 with higher network expense (mainly energy) Q3 with lower integration OPEX (EUR +10mn) and provisions for contractual risks in prior year (EUR +9mn) 5 6 7 8 +11 -5 -10 -2 +31 Q1 Q2 Q3 -7 -19 +4 -7 +19 +21 +2 +1
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24 Lower rollout volume wireless sites (MVNO losses resulting in lower need for network capacity investments) Q3 with catch-up effects in infrastructure and IT Q3 with lower customer-driven CAPEX Q3 with higher Integration CAPEX (EUR -7mn) and lower INWIT consolidation CAPEX (EUR +5mn) Italy CAPEX and OpFCF 2 OpFCF in EUR mn Q3 adjusted OpFCFslightly lower due to in-year CAPEX phasing 1) See detailed figures in appendix 1 9M 25 CAPEXEBITDAaL 9M 26Adjustments1 233 +100 +162 (+69.6%) Adjusted +158 (+44.4%) | Q1: +98, Q2: +71 , Q3: -11 +59 396 +4 +32 +66 +67 +4 +78 +78 2 +37 (-3.7%)4 CAPEX in EUR mn Adjusted +59 (-6.3 %) | Q1: +67, Q2: +4 , Q3: -12 -974+35-1'011 -3 +27+17 -18 -22 W- network IT W+ access network Other Backbone & infrastructure Adjustments1 9M 269M 25 Q1 Q2 Q3 +24 -8 +15 -1 +9 -2 +17 0 +1 +15 +5 -25 -20 +17 +42 +10+19 +2 -25 -19 +11 -2 -15 Q1 Q2 Q3 +2 -12 +7 +6 1 2 3 3 4
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25 EBITDAaL adjusted Other revenue categoriesB2C B2B IT service revenue Total revenue Direct costs Indirect costs 1 3 3 +100+177-12YOY -78 -36 +5 -121 +43 3 2 Telco service revenue 4 5 1) Changes in Telco service revenue in 2025 as reported (include Termination revenue), 2) Includes hard- and software revenue, wholesale revenue and other revenue, 3) Excludes integration OPEX Vodafone Italia, see detailed figures in appendix Italy Telco service revenue and EBITDAaL drivers 2 Continued improvement of Telco service revenue performance 1 2 3 5 4 3 Q3 25 Q4 Q1 26 Q2 Telco service revenue1 YOY changes in EUR mn -66 -60 -55 -35 (-5.0%) (-4.5%) (-4.4%) (-2.9%) Total -12 -39 -44 -4 -27 -16 -20 -13 -10 B2C W- W+ +2+11-6t/o Q3 -20 -3 +27 -2 -7 margin 26.4% 3'593 593 2'128 1'465 5'2621'075 -2'295 -1'574 1'393 -13 -1 -35 -20-22 Q3 -8 +4 -12 -11 -3B2B W- W+ EBITDAaL adjusted in EUR mn and YOY changes -24 (-1.9%) -23 -24 -23 -14-12 -16 -20 -7 -9 -4 -6 -7 +1 -18 -12 -14 -6 RGU ARPU RGU ARPU (+7.7%)(-2.2%)(-3.5%) (-2.4%) -114 (-3.1%) Decline improving QOQ in line with back- to front-book price alignment Q3 improving QOQ thanks to wireless Q3 with energy growth (EUR +33mn) offsetting decline in Wholesale revenue (EUR -10mn) Q3 with lower direct costs thanks to synergies (primarily MVNO) Q3 higher due to different in-year phasing-4 -12 +1 -12 -9 +2 -10
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26 Italy synergies and integration cost 2025 2026 2027 2028 2029 100% ~70% ~90% Integration costin EUR mnand/or in % ~90% Synergy realisationin EUR mnand/or in % Run-rate: EUR ~600mn Direct cost: EUR ~240mn Indirect cost: EUR ~300mn CAPEX: EUR ~60mn One-off: EUR ~-700mn1 OPEX: EUR ~-250mn CAPEX: EUR ~-450mn 2024 Ramp-up plan Strong synergy delivery and optimised integration cost phasing 95 (~15%) -104 (~15%) -321 (~45%) ~-500 (~70%) -217 1) Excluding non-cash effects of EUR 72mn incurred in 2024 99 Q1 Q2 Q3 Q4 • Q3 with EUR 99mn run-rate, t/o half from MVNO migration • On track to achieve FY target of EUR >300mn Synergy realisation 2026 in EUR mn 77 YOY +74 +228 +77 265 >300 Integration cost 2026 in EUR mn • Q3 with EUR -49mn, o/w EUR -9mn OPEX and EUR -40mn CAPEX • FY expectation lowered to up to EUR -200mn (mostly CAPEX) due to back-loading of EUR ~-50mn into 2028 Q1 Q2 Q3 Q4 -34 -100 -17 YOY -25 -7 +14 up to -200 -49 +77 +4 89 ~100% so far: ~80% so far: ~100% >300 (>50%)
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27 Group free cash flow Strong free cash flow generation 2025 mainly impacted by use and release of provisions as well as lower trade payables Higher tax payments for Switzerland in 2026 due to subsequent payment of taxes related to fiscal year 2024 Δ +284 +1 0 -84 +3850+184 in CHF mn +14 -312 -132 +16 9m 26 1'790 1'445 +69 Change in NWC Change in defined benefit obligations Net interest paid1 Income taxes paid Other operating cash flows OpFCF -215 +16 -132 -228 9m 25 1'060 +13 1'606 FCF 2 1 1 2 1) Excluding interest payments for lease liabilities (already included in OpFCF)
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28 Group net income Higher net income driven by increased EBITDAaL EBITDAaL Lease expense Net financial result Depreciation, amortisation PPE & intan- gible assets Income tax expense Depreciation of right-of-use assets Net income EBITEBITDA 1'485 -2'330 - 1'184 -269 4'9991'223 9m 25 3'777 Tax rate1 18.8% -228 1'011- 1'157 -253 -2231'487 9m 26 +2 +16 +5 +23+33 -58 +27-24Δ +56 5'032 Tax rate1 18.1%-2'388 1'199 3'833 988 in CHF mn 1) Tax rate 9M 26: tax expenses of CHF 223mn / EBT of CHF 1’234mn = 18.1%, tax rate 9M 25: tax expenses of CHF 228mn / EBT ofCHF 1’216mn = 18.8%
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29 Financials FY 2025 7'291 1'687 209 1'478 15'048 4'984 1'920 3'064 7'868 3'362 1'670 1'692 Group1,2 CHF mn Italy EUR mn Switzerland CHF mn Revenue 2.4xLeverage4 Dividend in CHF/share7 Guidance 2026 confirmed, OpFCFand leverage slightly better Outlook 1) Group consists of segments Switzerland, Italy and Others (not shown), 2) For consolidation purposes CHF/EUR of 0.9369 has been used for FY 2025, 3) For consolidation purposes, CHF/EUR of 0.92has been used, 4) Leverage = net debt (incl. lease liabilities) / EBITDA, 5) Group EBITDAaL guidance 2026 includes expected lease expense of CHF ~1.6bn, 6) Leverage guidance does not consider the conclusion of new tower agreement(s) in Italy. For modelling purposes, assuming a notional new tower agreement for eight years (2028–2036) on the same terms as the current INWIT contract, leverage is estimated to increase by around +0.3x,7) Dividend paid in t+1 (for fiscal year 2025 on 31 March 2026, for fiscal year 2026 on 1 April 2027), 8) Upon meeting 2026 guidance, Swisscom plans to propose a dividend of CHF 27/share (payable in 2027), subject to shareholder approval 26 EBITDAaL CAPEX OpFCF Guidance FY 2026 ~7.2 1.8-1.9 0.3-0.4 ~1.5 14.7-14.9 5.0-5.15 >2.0 3.0-3.1 7.7-7.8 ~3.3 1.6-1.7 1.6-1.7 Group1,3 CHF bn Italy EUR bn Switzerland CHF bn <2.3x 278 incl. up to EUR -50mn integration OPEX and EUR ~+75mn other adjustments incl. EUR ~-150mn integration CAPEX incl. up to EUR -200mn integration cost and EUR ~+75mn other adjustments growingstable upon meeting guidance w/o new tower agreement(s)6 incl. EUR -109mn integration OPEX incl. EUR -108mn integration CAPEX, EUR -40mn INWIT consolidation CAPEX incl. EUR -217mn integration cost, EUR -40mn INWIT consolidation CAPEX so far: ~2.0 so far: ~2.3x
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30 Q&A
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31 Appendix
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32 Group - adjusted EBITDAaL Appendix 1) CHF/EUR exchange rate for Q1 26 of 0.9190, 0.9183 for 6M 26 and 0.9244 for 9M 26 (vs. 0.9445 for Q1 25, 0.9409 for 6M 25, 0.9388 for 9M 25 and 0.9369 for FY 25) in CHF mn 2025 2026 YOY Q1 Q2 Q3 9M Q4 FY Q1 Q2 Q3 9M Q4 Q1 Q2 Q3 9M Q4 EBITDAaL 1'277 1'197 1'302 3'777 1'208 4'984 1'288 1'269 1'276 3'833 +10 +72 -27 +56 Provisions for legal proceedings -90 -90 -90 +90 +90 Provisions for contractual risks 52 52 52 -52 -52 Restructuring cost 2 9 12 15 27 39 39 -2 +29 +27 Adjustments Switzerland 0 2 -29 -26 15 -11 0 0 39 39 +0 -2 +67 +65 Provisions for legal proceedings 9 0 9 +9 +0 +9 Integration OPEX Vodafone Italia 6 13 18 37 65 102 2 2 9 12 -4 -12 -9 -25 Provisions for contractual risks 8 8 8 -8 -8 Adjustments Italy 6 13 26 46 65 110 2 11 9 21 -4 -2 -18 -24 Restructuring cost 15 15 Adjustments Others 0 0 0 0 15 15 0 0 0 0 +0 +0 +0 +0 Pension cost (IAS 19 reconciliation) 4 4 4 12 0 12 2 3 4 9 -2 -1 -0 -3 Adjustments Group 4 4 4 12 0 12 2 3 4 9 -2 -1 -0 -3 Adjustments EBITDAaL 10 19 2 32 95 127 4 14 51 69 -6 -6 +49 +37 EBITDAaL adjusted 1'287 1'216 1'305 3'808 1'303 5'111 1'292 1'283 1'327 3'902 +5 +67 +22 +93 Currency effect 1 12 9 -1 20 +12 +9 -1 +20 At constant currency +16 +76 +21 +113 Total adjustments and currency +6 +3 +48 +57
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33 Group - adjusted CAPEX and OpFCF Appendix 1) CHF/EUR exchange rate for Q1 26 of 0.9190, 0.9183 for 6M 26 and 0.9244 for 9M 26 (vs. 0.9445 for Q1 25, 0.9409 for 6M 25, 0.9388 for 9M 25 and 0.9369 for FY 25) in CHF mn 2025 2026 YOY Q1 Q2 Q3 9M Q4 FY Q1 Q2 Q3 9M Q4 Q1 Q2 Q3 9M Q4 CAPEX -780 -706 -685 -2'171 -894 -3'065 -693 -661 -688 -2'043 +86 +45 -3 +128 INWIT consolidation CAPEX 7 6 8 21 16 37 3 3 3 9 -5 -2 -5 -12 Integration CAPEX Vodafone Italia 3 16 31 50 51 101 30 14 37 80 +27 -3 +7 +31 Adjustments Italy 10 22 38 70 68 138 32 17 40 89 +22 -5 +2 +19 Adjustments CAPEX 10 22 38 70 68 138 32 17 40 89 +22 -5 +2 +19 CAPEX adjusted -770 -684 -647 -2'100 -826 -2'927 -661 -645 -648 -1'954 +108 +40 -1 +147 Currency effect 1 -8 -6 1 -13 -8 -6 +1 -13 At constant currency +101 +34 -0 +134 Total adjustments and currency +15 -11 +3 +6 OpFCF 498 491 617 1'606 314 1'920 594 608 588 1'790 +96 +117 -29 +184 Adjustments EBITDAaL 10 19 2 32 95 127 4 14 51 69 -6 -6 +49 +37 Adjustments CAPEX 10 22 38 70 68 138 32 17 40 89 +22 -5 +2 +19 Adjustments OpFCF 20 41 41 102 163 265 36 30 91 158 +17 -11 +51 +56 OpFCF adjusted 518 532 658 1'708 477 2'184 631 638 679 1'948 +113 +106 +21 +240 Currency effect 1 4 3 0 7 +4 +3 -0 +7 At constant currency +117 +110 +21 +248 Total adjustments and currency +21 -8 +51 +64
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34 Switzerland - adjusted EBITDAaL, CAPEX and OpFCF Appendix in CHF mn 2025 2026 YOY Q1 Q2 Q3 9M Q4 FY Q1 Q2 Q3 9M Q4 Q1 Q2 Q3 9M Q4 EBITDAaL 866 821 877 2'564 804 3'368 861 839 830 2'530 -5 +18 -46 -34 Provisions for legal proceedings -90 -90 -90 +90 +90 Provisions for contractual risks 52 52 52 -52 -52 Restructuring cost 2 9 12 15 27 39 39 -2 +29 +27 Adjustments EBITDAaL 0 2 -29 -26 15 -11 0 0 39 39 +0 -2 +67 +65 EBITDAaL adjusted 866 823 848 2'538 819 3'357 861 839 869 2'569 -5 +16 +21 +31 CAPEX -422 -409 -397 -1'228 -459 -1'687 -382 -379 -387 -1'149 +40 +30 +9 +79 No adjustments OpFCF 444 411 480 1'336 345 1'681 478 460 443 1'381 +34 +48 -37 +46 Adjustments EBITDAaL 0 2 -29 -26 15 -11 0 0 39 39 +0 -2 +67 +65 OpFCF adjusted 444 414 451 1'310 360 1'670 478 460 482 1'420 +34 +46 +30 +110
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35 Appendix in EUR mn Italy - adjusted EBITDAaL, CAPEX and OpFCF 2025 2026 YOY Q1 Q2 Q3 9M Q4 FY Q1 Q2 Q3 9M Q4 Q1 Q2 Q3 9M Q4 EBITDAaL 422 386 436 1'244 442 1'687 457 455 457 1'370 +36 +69 +21 +125 Provisions for legal proceedings 10 0 10 +10 +0 +10 Integration OPEX Vodafone Italia 6 14 19 39 69 109 2 2 9 13 -4 -12 -10 -26 Provisions for contractual risks 9 9 9 -9 -9 Adjustments EBITDAaL 6 14 28 48 69 118 2 12 9 23 -4 -2 -19 -25 EBITDAaL adjusted 428 400 465 1'293 511 1'804 460 467 466 1'393 +32 +66 +2 +100 CAPEX -382 -321 -308 -1'011 -466 -1'478 -339 -312 -323 -974 +42 +10 -15 +37 INWIT consolidation CAPEX 8 6 8 22 18 40 3 3 3 10 -5 -2 -5 -12 Integration CAPEX Vodafone Italia 3 18 33 53 55 108 32 15 40 87 +29 -3 +7 +34 Adjustments CAPEX 11 23 41 75 72 147 35 18 43 96 +25 -5 +2 +22 CAPEX adjusted -371 -298 -268 -936 -394 -1'330 -304 -293 -280 -878 +67 +4 -12 +59 OpFCF 40 65 128 233 -24 209 118 143 134 396 +78 +78 +6 +162 Adjustments EBITDAaL 6 14 28 48 69 118 2 12 9 23 -4 -2 -19 -25 Adjustments CAPEX 11 23 41 75 72 147 35 18 43 96 +25 -5 +2 +22 Adjustments OpFCF 17 37 69 123 142 265 37 30 52 120 +20 -7 -17 -4 OpFCF adjusted 57 103 197 357 117 474 155 173 187 515 +98 +71 -11 +158
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36 Disclaimer No offer to sell or solicit The information provided in this communicationdoes not constitute, and should not be construed as,an offer or an invitation tosell or issue, or a solicitation of an offer to buy, subscribe for or otherwise acquire or dispose of, any securities or other financial instruments, nor does it constitute a recommendation, investment advice or the basis for any third-party evaluation of Swisscom AG securitiesin any jurisdiction. Forward-looking statements This communication contains statements that constitute "forward-looking statements". In this communication, such forward-looking statements include, without limitation, statements relating toSwisscom's financial condition, results of operations and business and certain ofSwisscom's strategic plans and objectives. Because these forward-looking statements are subject to risks and uncertainties, actual future results may differ materially from those expressed in or implied by the statements. Many of these risks and uncertainties relate to factors which are beyond Swisscom’s ability to control or estimate precisely, suchas future market conditions, currency fluctuations, the behaviour of other market participants, the actions of governmental regulators and other risk factors detailed in Swisscom’s,Fastweb’sand Vodafone Italia's (Fastweb + Vodafone) past and future filings and reports, including those filed with the U.S. Securities and Exchange Commission and in past and future filings, press releases, reports and other information posted on Swisscom Group Companies’ websites.Readers are cautioned not to put undue reliance on forward-looking statements, which speak only of the date of this communication.Swisscom disclaims any intention or obligation to update,revise or correct any forward-looking statements or other information contained herein, except as required by applicable law, future events or otherwise. Alternative performance measures (non-IFRS financial measures) This communication may include selected alternative performance measures (APMs), i.e. financial measures not presentedin accordance with IFRS Accounting Standards (IFRS). For the definition of the APMs please refer to the section on 'Alternative performance measures' in Swisscom's financialreports. These alternative performance measures provide useful information on the Group’s financial position and servefinancial management and control purposes and should not be viewed as substitutes for IFRS measures of performance or liquidity as presented in Swisscom's IFRS financial statements. As these measures are not defined by IFRS, the calculation methods applied may differ from those used by other companies for similar APMs, which may limit comparability across companies. Information, sources and no reliance This communication may contain estimates. Swisscom's internal estimates have not been verified by an external expert, and Swisscom cannot guarantee that a third party using different methods to assemble, analyse or compute data would obtain or generate the same results. To the extent available, the industry, market and competitive position data or prediction contained in this communication come from official or third-party sources believed to be reliable.Swisscom has not verified the accuracy and completeness of such information contained in thiscommunication. Swisscom's competitors may define the markets differently.
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37 Louis Schmid Head of Investor Relations louis.schmid@swisscom.com +41 58 221 62 79 Anastasia Henkel Investor Relations Manager anastasia.henkel@swisscom.com +41 58 221 40 80 37 Investor contact