TIM S A : Results Presentation

DISCLAIMER

This presentation contains declarations that constitute forward-lookingstatements regarding the

intent, belief or current expectations of value creation, customer base dynamics, estimates regarding future financial results and other aspects of the activities.

Analysts and investors are cautioned not to place undue reliance on those forward-looking

statements, which speak only as of the date of this presentation. TIM S.A. undertakes no obligation to release publicly the results of any revisions to these forward-looking statements, those do not represent necessarily a formal guidance.

Such forward looking	Financial figures are
statements are not	presented
guarantees of future	considering impacts
performance and	from IFRS 16
involve risks and	adoption, unless
uncertainties, and	otherwise indicated.
actual results may	Normalized numbers
differ materially from	in this presentation
those projected as a	are adjusted by the
result of various factors.	effects described in
	footnotes.

1. Net Revenue normalized by the temporary effect of inefficiency of PIS/COFINS as a result of the contract signed between TIM S.A and Cozani (+R$41.0 million in 1Q23). The merger of Cozani into TIM S.A. took effect on April 1st, 2023.
2. Operating Costs normalized by: non-recurring effect from the accounting for the closing price adjustment agreement for Oi's mobile assets (-R$303.4 million in 4Q23), expenses with consulting services within the scope of the acquisition project of Oi Mobile and customer migration (+R$190k in 4Q23 and +R$12.5 million in 1Q23), PIS/COFINS credits generated in the intercompany contract with Cozani (-R$17.7 million in 1Q23) and expenses with FUST/FUNTEL related to the intercompany contract with Cozani (+R$886k in 1Q23).
3. Normalized EBITDA according to the items described in the Revenue section (+R$41.0 million in 1Q23) and Costs section (-R$303.2 million in 4Q23 and -R$4.4 million in 1Q23).
4. Net Financial Result normalized by the monetary adjustment on the non-recurring effect of the accounting for the closing price adjustment agreement for Oi's mobile assets (+R$27.5 million in 4Q23).
5. Normalized Net Income according to the items described in the Revenue, Costs and Net Financial Results sections, as previously described, and non-recurring items in Income Tax and Social Contribution: impact from deferred and current taxes on the non-recurring effect of the accounting for the closing price adjustment agreement for Oi's mobile assets (+R$93.8 million in 4Q23), tax credits related to the intercompany contract with Cozani (-R$8.2 million in 1Q23) and other tax effects (-R$64k in 4Q23 and -R$4.2 million in 1Q23).

TIM S.A. - Investor Relations Results Presentation

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REAPING THE BENEFITS OF

1. WELL-
   DESIGNED PLAN AND SHARP EXECUTION

Solid above inflation expansion in Service Revenue¹

(+7.3% YoY in 1Q24)

Double digit EBITDA¹ growth (+10.7% YoY in 1Q24) with margin expansion

Best 1st quarter OpFCF²

R$ 843 Mln

(+58.6% YoY in 1Q24)

Robust TIM's 5G rollout, already covering 266

cities, including all capitals

Launch of TIM IoT Solutions brand and an innovative bundle offer for Agribusiness

1st IoC tranche R$ 200 Mln announced in March

(1) Normalized for the effects detailed in slide 2; (2) OpFCF calculated as EBITDA-AL minus Capex.	TIM S.A. - Investor Relations
Results Presentation

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FINANCIALS: SOLID EXPANSION WITH CONSISTENT PERFORMANCE ACROSS ALL REVENUE LINES

TOTAL NET REVENUE GROWING HIGH-SINGLE DIGIT

(Normalized¹ Net Revenue in R$ Mln; %YoY)

Service Revenue¹

+7.3% YoY in 1Q24

High-Single digit growth in Mobile and Fixed streams assured a consistent service revenue performance.

Products

Fixed

Mobile Service Revenue1

5,681

174

315

5,193

7.3%

7.4%

6,096

186

332

5,577

Mobile Service Revenue¹

+7.4% YoY in 1Q24

Solid mobile performance fueled by organic growth.

TIM UltraFibra Revenue

+9.1% YoY in 1Q24

High-Single digit growth, keeping the FTTH expansion in focus.

1Q231Q24

Mobile ARPU1 keeps growing in a fast pace, achieving the highest 1Q YoY growth ever (+8.8%)

Highest broadband ARPU ever, growing 3.1% YoY and reaching R$ 95.8

1. Normalized for the effects detailed in slide 2.

Products Revenue

+7.3% YoY in 1Q24

Diversifying products portfolio to meet customer needs and offer greater convenience.

TIM S.A. - Investor Relations	4
Results Presentation

MOBILE: CAPTURING VALUE THROUGH CUSTOMER BASE

TRANSFORMATION

MOBILE ARPU1 INCREASES HIGH SINGLE-DIGIT…

(R$ /Mo)

30.3

… AS WE IMPROVE COSTUMER BASE PROFILE

POSTPAID EX-M2M CHURN RATE SUSTAINS THE LEVEL

8.8%

27.9

0.8%

(per month)

-1.2 p.p. YoY in 1Q24

Churn reduction, reflecting improved customer satisfaction and loyalty through enhanced overall quality and value proposition

UPGRADING OUR CUSTOMER BASE

1Q23

1Q24

+10.9%²

YoY in 1Q24

MIGRATION PREPAID TO POSTPAID

Increase in Pre-to-Post migration, highlighting a coherent and consistent customer base management and the attractiveness of our postpaid plans.

Postpaid ex-M2M ARPU increased 6.3% YoY in

ACCELERATING POSTPAID ACQUISITION

Net adds evolution (ex-M2M)

1Q24

Prepaid ARPU grew 5.4% YoY in 1Q24

(Net adds in '000)

279

357 382 415

Net Adds on the positive side, thanks to our strategy to improve customer base evolution.

1Q23 2Q23 3Q23 4Q23 1Q24	TIM S.A. - Investor Relations
(1) 1Q23: Postpaid to prepaid reclassification of 900k customers, due to Oi M&A transaction; (2) Migration from Prepaid to Postpaid Ex-Cozani.	Results Presentation

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MOBILE: THE 3Bs STRATEGY IN ACTION TO DELIVER THE BEST VALUE PROPOSITION AND CHANGE CLIENTS' MINDSET

Best Service

First and only company in Brazil to be awarded the Procon SP seal for the best complaint resolution rate for 10 months

High Resolvability Index at Anatel Consumidor, with a percentage of approximately 94%

+29% YoY growth in	More than 50% of
NPS in Human assistance	customer interactions are
in call center in 1Q24	digital (+29% YoY)

Best Network

5G sustaining good expansion performance, already covering all the country's capitals and

all the neighborhoods of 8

capitals + DF

TIM is the most reliable operator in terms of best 5G signal availability in the Brazilian market, according to OpenSignal's global report¹ on mobile operator reliability

Best Offer

TIM exclusive in-flight connectivity, now boosted with streaming on all Gol and Latam domestic flights

Partnership with Zé Delivery, providing more benefits and increasing customer loyalty, since users of the Zé Delivery app have 15% higher spending than non-users.

PERCEPTION CHANGE AND BRAND RECOGNITION

+18.5%

Increase of brand

awareness since offer

launch

TEST DRIVE AS DRIVER FOR CHANGING QUALITY PERCEPTION

First and only operator in LatAm to launch a network test offer,

showing the confidence we have in the quality of our network.

MUSIC AS A CONNECTION BETWEEN OUR VALUES AND CUSTOMERS

TIM and music come together to

create new possibilities, celebrating diversity and building new connections, transforming melodies into unforgettable moments.

	TIM S.A. - Investor Relations
(1) Source: Mobile Time (Click here);	Results Presentation

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B2B

LAUNCH OF THE PRIVATE PROJECT WITH THE	OFFER INNOVATION: FIRST BUNDLE IN
LARGEST 4G AREA IN THE COUNTRY	IOT (MACHINERY + CONNECTIVITY)

VERTICALS CONTINUE TO EVOLVE: LAUNCH OF TIM IOT

In partnership with BP Bunge, we will guarantee the provision of a 4G signal to an area of 3 million hectares in Brazil

This is the private project with the largest area with 4G in the country, reducing costs and increasing productivity of Bunge's operation, as well as providing connectivity to communities in 46 municipalities

"BUY A TRACTOR AND GET A 4G TOWER FOR YOUR FARM"

Innovative offer in a partnership with CASE IH (CNHi) that includes a 4G network tower with acquisition of smart machinery

Another step to

develop our B2B strategy aiming to target more clients and facilitate the digitalization of the agribusiness in

the country

SOLUTIONS

WE ARE STRUCTURING

OUR B2B INITIATIVES INTO

A SINGLE BRAND

HIGHLIGHTS OF TIM IOT SOLUTIONS RESULTS

+17Mln +224k	+4,700	+191k
Of 4G Hectares	Rural properties	Km of highways	Sold poles of smart
covered	covered	lighting

TIM S.A. - Investor Relations Results Presentation

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TIM ULTRAFIBRA: FOCUS ON VALUE TO SUPPORT GROWTH WITH PROFITABILITY

TIM ULTRAFIBRA NET REVENUE SUSTAINED THE PACE

(R$ Mln; %YoY)

ABOVE 90% OF OUR CUSTOMER BASE IN FTTH

(Customer Base in '000)

9.1% 229

209

FTTC

FTTH

732

FTTH

10.1% 806

23.8%

SIGNIFICANT	+13.4 p.p.
YoY growth in digital
GROWTH IN	channels
MORE EFFICIENT	+7.1 p.p.
CHANNELS
	YoY growth in stores

1Q231Q24

We maintained our rapid pace of growth, achieving the highest broadband ARPU ever

FTTC	-47.8%
1Q23	1Q24

We continue to focus on the migration and expansion of the FTTH base, guaranteeing the delivery of higher connection quality and speed

TIM S.A. - Investor Relations Results Presentation

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FINANCIALS: ROBUST EBITDA NUMBERS, DOUBLE-DIGIT GROWTH WITH MARGIN EXPANSION

EBITDA GROWTH FUELED BY REVENUE EXPANSION AND KEEPING COSTS UNDER CONTROL

8 CONSECUTIVE QUARTERS OF DOUBLE-DIGIT GROWTH AT EBITDA-AL

(Normalized¹ EBITDA in R$ Mln; %YoY)

2,890

10.7%

2,612

1Q231Q24

(Normalized¹ EBITDA-AL in R$ Mln; %YoY)

2,198

20.7%

1,820

Decommissioning fines totaled R$ 27 Mln in the 1Q24

~R$ 100 Mln less in recurring leases expenses versus 1Q23

MARGIN FULLY RECOVERED AFTER M&A TRANSACTIONS' IMPACTS

(Normalized¹ EBITDA Margin; %)

	46.6%
45.9%			46.0%
		44.9%
1Q20	1Q21	1Q22	1Q23	1Q24

1. Normalized for the effects detailed in slide 2.

1Q231Q24

400 BPS EXPANSION MARKING THE BENEFITS OF A HOLISTIC APPROACH TO EFFICIENCY

(Normalized¹ EBITDA-AL Margin; %)

35.7% 35.9%

33.3%

32.0%

1Q20 1Q21 1Q22 1Q23 1Q24

TIM S.A. - Investor Relations	9
Results Presentation

FINANCIALS: NET INCOME CONTINUES TO GROW STRONGLY, SUPPORTED BY OPERATIONAL EFFICIENCY

NET INCOME CONTINUES TO GROW STRONGLY BY DOUBLE-DIGIT

(Normalized1 Net Income in R$ Mln)

Main effects in the quarter:

278

437

22

19.0%

-302

88

-4

519

D&A (-1.3% YoY):

Leases reduction totaled R$ 157 Mln YoY in 1Q24, however was partially offset by higher depreciation in transmission equipment

Net Financial Result (+135.0% YoY):

Despite lower interest on financial debt and leases, negative MTM over derivatives and a year-on-year comparative basis impacted by the renegotiation of tower contracts in 1Q23 led to higher financial expenses

1Q23	EBITDA	D&A Net Financial Taxes	Equity	1Q24
		Results	Investment

1. 5 consecutive quarters of Net Income year-on-year increase

2. Normalized for the effects detailed in slide 2.

Taxes (-56.1% YoY):

Due to the approval of R$ 200 Mln in IoC payments in 1Q24, benefiting the tax shield

TIM S.A. - Investor Relations	10
Results Presentation