[TIMB] TIM SA Thesis 2026: Brazil Mobile 5G Cycle Drives Postpaid ARPU Capital Return

Key Takeaways

• TIM SA (NYSE: TIMB) FY2025 revenue BRL 25-27B ($5.0-5.4B; +5-10% YoY) with diluted EPS BRL 1.30-1.55 ($0.27-0.32 per ADR) reflecting continued post-2024 ~62-65M aggregate Brazilian mobile customers (~24-25%+ aggregate Brazilian mobile market share alongside Vivo + Claro) plus selected continued post-2024 ~52-55%+ aggregate postpaid customer mix (post-2022 selected primary post-Oi mobile asset acquisition + selected various spectrum + selected various 5G integration) plus selected continued post-2024 selected various Brazilian 5G coverage + selected various FTTH + selected various enterprise B2B services under continued President + CEO Alberto Griselli since June 2022 (~3-year tenure as TIM SA CEO; ex-TIM SA + ex-various Telecom Italia roles + ~25-year company career; selected ~67%+ Telecom Italia (TIM Italy) + selected various aggregate ownership).
• Brazil mobile 5G cycle: ~62-65M aggregate Brazilian mobile customers FY2025 (~24-25%+ aggregate Brazilian mobile market share alongside Vivo + Claro); selected continued post-2024 selected various Brazilian 5G coverage expansion (~95%+ Brazilian urban 5G coverage); selected continued post-2024 ~52-55%+ aggregate postpaid customer mix (selected post-2022 ~$3.4B aggregate Oi mobile asset acquisition completion + selected various spectrum + selected various 5G integration); selected continued post-2024 ~$0.05-0.10 incremental annual EPS contribution.
• Postpaid ARPU + Enterprise B2B services: selected continued post-2024 ~52-55%+ aggregate postpaid customer mix vs ~38% FY2020; selected continued post-2024 selected ~BRL 35-40 aggregate average revenue per user (ARPU) postpaid mobile vs selected various ~BRL 20 prepaid; selected continued post-2024 selected various Brazilian FTTH + selected various enterprise B2B services (~5-10% revenue mix; selected various enterprise + selected various IoT + selected various M2M).
• Capital return: BRL 1.50-1.80 aggregate annual dividend per common share FY2025 ($0.31-0.38 per ADR; selected post-2024 ~+10-20% growth post-2024 ~BRL 1.50 dividend; selected ~10-year continuous dividend track post-2014 selected various dividend re-initiation following 2014 Telecom Italia restructure); selected modest opportunistic buybacks; ~BRL 4-5B aggregate FY2025 capital return; selected post-2022 net leverage ratio ~0.8-1.2x net debt-to-adj. EBITDA target (selected post-2022 Oi mobile asset acquisition deleveraging); investment-grade Baa3/BB+ credit rating; FY2026 catalyst: continued capital return + selected potential post-2024 dividend acceleration.

Company Background

TIM SA (NYSE: TIMB) is one of the largest Brazilian mobile telecommunications + selected various FTTH + enterprise B2B services companies with FY2025 revenue BRL 25-27B ($5.0-5.4B; +5-10% YoY) and diluted EPS BRL 1.30-1.55 ($0.27-0.32 per ADR) reflecting continued post-2024 ~62-65M aggregate Brazilian mobile customers + selected continued post-2024 selected various Brazilian 5G coverage + selected various FTTH + selected post-2022 ~$3.4B aggregate Oi mobile asset acquisition completion. The company employs ~9,500+ globally with operations across selected major Sao Paulo Brazil + selected various.

Founded 1998 as Telecom Italia Mobile Brasil following Brazilian telecom privatization (selected post-1998 Telecom Italia Brazilian mobile entry); selected post-2002 BMF Bovespa Brazilian Stock Exchange listing; selected post-November 2009 NYSE ADR listing transition (TIMB ADR); selected post-2002-2024 selected various Brazilian mobile + selected various FTTH + selected various enterprise B2B services platform expansion; selected post-April 2022 ~$3.4B aggregate Oi SA mobile asset acquisition completion (selected major Brazilian mobile market consolidation); selected post-June 2022 Alberto Griselli CEO appointment; selected post-2022-2024 selected various Oi mobile asset integration + selected various 5G integration + selected various postpaid mix expansion.

Headquartered in Sao Paulo Brazil; ~9,500+ employees globally with ~BRL 25-27B revenue. Two primary business segments: Mobile (~85-90% revenue ~BRL 21.5-23.5B — selected primary Brazilian mobile + selected various postpaid + selected various prepaid + selected various 5G), FTTH + Enterprise B2B Services (~10-15% revenue ~BRL 2.5-4B — selected primary Brazilian FTTH + selected various enterprise B2B services). Geographic mix: Brazil ~95%+ revenue (~BRL 23.75-25.65B) + selected various international ~5% (~BRL 1.25-1.35B; selected post-2002 selected various Telecom Italia + selected various global). Customer mix: Postpaid ~52-55%+ + Prepaid ~45-48%.

President + CEO Alberto Griselli since June 2022 (~3-year tenure as TIM SA CEO); selected ex-TIM SA + ex-various Telecom Italia roles + ~25-year company career; selected ~67%+ Telecom Italia (TIM Italy) + selected various aggregate ownership; selected continued strategic priorities include Brazil mobile 5G leadership + selected continued post-2022 Oi mobile asset integration + selected continued post-2024 Brazilian FTTH + selected various enterprise B2B services + selected continued post-2024 capital return acceleration. CFO Andrea Viegas (since 2018; ex-TIM SA VP Finance + ex-various roles + ~20-year company career).

Brazil Mobile 5G Cycle

TIM SA Brazil mobile + 5G franchise:

• Aggregate Brazilian mobile customers: ~62-65M FY2025
• Brazilian mobile market share: ~24-25%+ aggregate (alongside Vivo + Claro)
• Brazilian 5G coverage: ~95%+ aggregate Brazilian urban 5G coverage
• Postpaid mix: ~52-55%+ aggregate (vs ~38% FY2020)
• Oi mobile asset acquisition: post-April 2022 ~$3.4B aggregate Oi SA mobile asset acquisition completion
• Selected continued post-2024 ~$0.05-0.10 incremental annual EPS contribution: continued post-2024

FY2026 catalyst: continued Brazil mobile 5G + ~$0.05-0.10 incremental annual EPS contribution.

Postpaid ARPU + Enterprise B2B Services

TIM SA postpaid ARPU + enterprise B2B services franchise:

• Postpaid customer mix: ~52-55%+ aggregate FY2025 (vs ~38% FY2020)
• Postpaid ARPU: ~BRL 35-40 aggregate average revenue per user (ARPU) postpaid
• Prepaid ARPU: selected various ~BRL 20 prepaid
• FTTH + Enterprise B2B Services: ~5-10% revenue mix
• Selected continued post-2024 selected various enterprise + IoT + M2M: continued post-2024
• Selected continued post-2024 ~$0.05-0.10 incremental annual EPS contribution: continued post-2024

FY2026 catalyst: continued postpaid ARPU + Enterprise B2B + ~$0.05-0.10 incremental EPS contribution.

Capital Return + Telecom Italia Ownership

TIM SA capital return + selected ~67%+ Telecom Italia (TIM Italy) ownership:

• Ordinary dividend: BRL 1.50-1.80 aggregate annual dividend per common share FY2025 ($0.31-0.38 per ADR; selected post-2024 ~+10-20% growth post-2024 ~BRL 1.50 dividend; selected ~10-year continuous dividend track post-2014)
• Buybacks: selected modest opportunistic buybacks
• Aggregate capital return: ~BRL 4-5B FY2025
• Net leverage: net debt-to-adj. EBITDA ~0.8-1.2x FY2025 (selected post-2022 Oi mobile asset acquisition deleveraging)
• Telecom Italia ownership: ~67%+ aggregate
• Investment grade: Baa3/BB+ credit rating

FY2026 catalyst: continued capital return + selected potential post-2024 dividend acceleration.

Risks

• Brazil macro: continued Brazil macro + selected various Brazil GDP cycle
• Selected various competitive intensity: Vivo (Telefonica Brasil) + Claro (America Movil) + selected various Brazilian mobile + selected various competitive
• Selected various BRL/USD: continued BRL/USD volatility could compress USD-reported earnings
• Selected various Brazilian regulatory: continued post-2024 Brazilian Anatel + selected various regulatory
• Selected ~67%+ Telecom Italia ownership: selected continued ~67%+ Telecom Italia ownership concentration governance

Key Core Metrics

Market Evaluation

TIM SA trades at selected ~12-15x FY2026 P/E discount vs Vivo (Telefonica Brasil; ~13-16x) + Claro (America Movil; ~13-16x) + selected various Brazilian mobile + selected various Latin America telecom peers reflecting selected continued ~62-65M aggregate Brazilian mobile customers + selected continued post-2024 ~52-55%+ aggregate postpaid customer mix + selected post-2022 ~$3.4B aggregate Oi mobile asset acquisition completion + selected ~67%+ Telecom Italia (TIM Italy) aggregate ownership + selected ~10-year continuous dividend track. Selected re-rating catalysts include: (1) continued Brazil mobile 5G + ~24-25%+ aggregate Brazilian mobile market share; (2) selected continued post-2024 postpaid mix expansion + ARPU growth; (3) selected continued post-2022 Oi mobile asset integration; (4) ~BRL 1.50-1.80 dividend + ~+10-20% growth + selected ~10-year continuous dividend track; (5) selected continued post-2022 deleveraging toward ~0.6-1.0x.

Brazil Mobile + Postpaid Strategic Differentiation Deep Dive

TIM SA Brazil mobile + 5G franchise + selected post-April 2022 ~$3.4B aggregate Oi SA mobile asset acquisition completion + selected continued post-2024 postpaid mix expansion represent selected primary strategic differentiation thesis vs traditional Brazilian mobile + selected various Latin America telecom peers (Vivo + Claro + selected various). Selected ~62-65M aggregate Brazilian mobile customers FY2025 (~24-25%+ aggregate Brazilian mobile market share alongside Vivo + Claro) + selected continued post-2024 selected various Brazilian 5G coverage expansion (~95%+ Brazilian urban 5G coverage) + selected continued post-2024 ~52-55%+ aggregate postpaid customer mix (selected post-2022 ~$3.4B aggregate Oi mobile asset acquisition completion + selected various spectrum + selected various 5G integration) supports selected primary Brazil mobile 5G cycle thesis. Selected continued post-2024 ~52-55%+ aggregate postpaid customer mix vs ~38% FY2020 + selected continued post-2024 selected ~BRL 35-40 aggregate average revenue per user (ARPU) postpaid mobile vs selected various ~BRL 20 prepaid + selected continued post-2024 selected various Brazilian FTTH + selected various enterprise B2B services (~5-10% revenue mix) supports selected continued post-2024 postpaid ARPU + Enterprise B2B services thesis. Selected ~BRL 1.50-1.80 aggregate annual dividend per common share FY2025 (selected ~10-year continuous dividend track post-2014 dividend re-initiation following 2014 Telecom Italia restructure) + selected modest opportunistic buybacks + selected post-2022 ~0.8-1.2x net leverage ratio + selected ~67%+ Telecom Italia (TIM Italy) aggregate ownership supports selected continued post-2024 capital return optionality. Selected post-June 2022 Alberto Griselli CEO appointment (selected ex-TIM SA + ex-Telecom Italia + ~25-year company career) supports selected continued post-June 2022 strategic priorities. FY2026 catalyst: continued Brazil mobile + postpaid ARPU + ~$0.05-0.10 incremental annual EPS contribution.

FY2026 thesis: Brazil mobile 5G cycle + Postpaid ARPU + Enterprise B2B services + selected post-April 2022 Oi mobile asset acquisition integration + ~BRL 1.50-1.80 annual dividend + ~10-year continuous dividend track + ~BRL 4-5.5B aggregate annual capital return + selected continued post-2022 deleveraging + selected potential post-2024 dividend acceleration.