Tim S.a.BMFBOVESPA: TIMS3

Results Presentation 1Q26

· MarketScreener

Classificado como Uso Interno



Quarter Highlights

Early-year performance confirms consistency of our trajectory

(1Q26)

SERVICE REVENUE MOBILE SERVICE REVENUE NEW PARTNERSHIP WITH

Growth driven by advances in Mobile and Ultrafibra

MSR's performance once again reflected the consistency of the postpaid segment, the main driver of the revenue growth

Through the PicPay partnership, TIM expands its distribution and cross-sell PicPay financial services

EBITDA¹-AL

OPERATING CASH FLOW²

NETWORK SWAP

3

Expansion with 37.1% Margin (+0.5p.p.)

Cash generation with Margin increase

Benefiting over 3 million customers across both regions and modernizing more than 1,400 sites

(1) Normalized EBITDA-AL minus Capex; (2) Operating Cash Flow ("OpCF") represents EBITDA-AL minus Capex.

TIM S.A. - Investor Relations Results Presentation



Revenue Performance

Solid net service revenue growth across mobile and fixed TOTAL NET REVENUE AT A SOLID PACE



6.5%

(Total Net Revenue in RƸ Mln; %YoY)

391 162

6,253

319 153

5,922

Products 6,394 6,806

(+5.4% YoY)

Fixed²

(+22.8% YoY)

Mobile

(+5.6% YoY)

1Q25 1Q26

MOBILE

TOTAL ARPU

Consistent mobile performance driven by:

FIXED

FTTH ARPU

CLIENT BASE

RƸ 33.7/Mo

in 1Q26 (+5.8% vs 1Q25)

Postpaid Rev.

+7.5% YoY

Customer base monetization drives growth

Prepaid Rev.

-6.5% YoY

Stabilization of the decline trend

RƸ 93.8/Mo

in 1Q26 (+3.2% vs 1Q25)

ARPU growth driving revenue dynamics

+11.4%

in 1Q26 YoY

4th quarter of positive net adds in Ultrafibra

TIM S.A. - Investor Relations 4

Results Presentation

(1) Normalized for the effects detailed in slide 2; (2) includes 2 months of V8 service revenue.





Mobile Services

Strengthening competitiveness across all segments through ongoing initiatives under our 3Bs strategy

Best Network

NETWORK UPGRADE

Network modernization in main urban centers of Brazil

LAUNCHED NEW CITIES WITH AI EMBEDDED

Best Offer

BRAND AND PERCEPTION

BBB 26 sponsorship: TIM is leader in engagement with tangible business impact

#TIMnoBBB26

Best Service

DIGITAL EVOLUTION STRATEGY

Meu TIM App is helping to improve the customer experience and sales journey

MEU TIM APP

BELO HORIZONTE

+2 Mln users benefited

722 sites modernized

+32%

+26%

in new customer acquisitions for TIM Controle Plans during BBB¹

e-commerce sales of Controle

monthly unique users on the app¹

18.4Mln

growth in E-commerce

BRASÍLIA

+1 Mln users benefited

680 sites modernized

+60.9%

Plans

in website and e-commerce visits versus a non-activation scenario¹

+35% +14%

Sales Initiated via app

growth in recharges

AI-driven automation to enhance network efficiency and operational performance

140k

Classificado como Uso Interno

5

QR Code scans in 4 program dynamics

revenues²

  1. Data through end of March, 2026;

  2. Not exclusive to the app

TIM S.A. - Investor Relations Results Presentation



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