1May 4th , 2007

TIM Participações S.A.

1Q07’s Results

2

Main Messages

Market Performance

Commercial Strategy

Financial Performance

3

Maintaining our leadership in mobile growth andfurther consolidate position in the market

1Q07: Continuous Growth in anIncreasingly Challenging Market

Offers Enrichment & Caring

Cutting edge in innovation: “Home Zone” offer extended to the corporate segmentDedicated Customer Operations UnitSegmented offersFocus on value and corporate segments based on tailor-made and customized solution Channel mix optimization

Superior subscriber base growth compared to Brazilian Market: QoQ: +3.5% vs Market +2.2%YoY: +25.2% vs Market +14.3%Leader in net additions, achieving 40.1% of incremental share in 1Q07Improved client mix: 21.6% postpaid lines, +1p.p. YoYLeader in business segment: +50.3% YoY lines growth17% YoY reduction in subscriber acquisition cost

Substantial value Marketgrowth Solid revenue growth

44% YoY growth of net service revenue (or 22% excluding the B&K impact)40% YoY VAS net revenue growthARPU Performance: on track to rebound and maintaining the highest ARPU in the marketSolid YoY EBITDA growth and margin aligned with Company’s guidance

4

Main Messages

Market Performance

Commercial Strategy

Financial Performance

5

+14.6%

Source: ANATEL.

Outperforming a Growing Market

Market Lines (Mln) and Penetration Rate

Postpaid mix Penetration Rate

+6.1p.p.

+14.3%

Penetration continued to growResidual market in lower income classes: increased need for customized business model

TIM lines Evolution (mln)

Constantly outperforming market growth: + 25.2% vs. competitors’ average +10.9%Continuous improvement of client mix(% postpaids over total client base):TIM 21.6% vs competitor's average of 18.9%

Postpaid mix

+31.4%

+25.2%

Lines GrowthYoY

20.5%20.6%20.6% 21.3% 21.6%

22.321.024.1 25.4 26.3

1Q06 2Q06 3Q06 4Q06 1Q0719.6% 19.4% 19.5% 19.5% 19.3%

89.4 91.8 95.9 99.9 102 .2

49.2% 51.2% 53.2% 54.2%48.1%

1Q06 2Q06 3Q06 4Q06 1Q07

Combining growth with a improved mix

Lines GrowthYoY

6

Continuous market share growthConfirming leadership in incremental market share:

38.2% in 2006 and 40.1% in 1Q07Bringing gap to the 1st player at lowest level ever: 2.6pp

1Q07 Incremental market share

Source: ANATEL.

Maintaining the leadership in net additionsContinuous Market Share Growth

Others

Vivo

Claro

28.3%

32.6%

40.1%

-1.0%

33.7%31.1% 30.0% 29.1%

23.5% 24.3% 25.1% 25.4%

21.8% 22.8% 23.1% 23.9%

FirstPlayer

ThirdPlayer

Market Share Performance

1Q06 2Q06 3Q06 4Q06 1Q07

28.4%

25.8%

24.1%

Increasing market share based on a continuous focus on high-value customers

43.8% incremental share in postpaid segment in 1Q07Reinforcing our leadership on postpaid segment: 28.4%

market share ( +3.6pp YoY)

-2.6 pp-2.7 Mln lines

+1.7 pp+1.7 Mln lines

-10.2 pp-9.1 Mln lines

+1.7 pp+1.6 Mln lines

7

Main Messages

Market Performance

Commercial Strategy

Financial Performance

8

TIM Brasil Plans: voice+ SMS + Data + RoamingShared Bundles

On-Net PromotionsSegmented Approach and Cross-Sell products

Community & Convenience

TIM Casa and TIM Casa EmpresarialTIM + 25 TIM Chip OnlyVoice and data internacionalroaming for prepaid segmentCustomer base also eligible to all promotionsMega TIM - SMS/MMS package

National Tariff Plan for multi-regional companiesFlexible BundlesTIM Web Mobile (internet access)TIM BlackBerry Pearl for consumer market

Integrated Solutions Innovative Approach

Key Competitive AdvantageProfound Segmented Offer

Marketing Strategy Pillars

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Consumer Market and Institutional CampaignsFocus on fostering TIM’s Community concept

► Supporting competitive aggressiveness► Increasing traffic while keeping margins, based on on-net traffic usage

► Keeping the pace of post paid acquisition► Supports TIM Brasil Plans sales and customer base growth

► Feliz 07 Centavos (“Happy 07 Cents”) On-net local calls for just R$ 0.07 for postpaid and prepaid TIM’s clients

► Stimulating usage from new customers► Anticipation of recharge purchase

► Leverages usage and average recharge ► Supports churn rate control

► TIM Mais 60Additional bonuses of 60 min on-net calls

► TIM Casa (“Home Zone”)Capturing additional revenues from fixed market

► Mobile convenience also at home> 400 thousands clients at 1Q07

► Low SACTIM chip free of charge, subject to recharge of

R$15 in 48 hours after activation

► Extra Recharge PromotionBonus in minutes equal to the recharge value

Institutional Campaigns: Continuous focus on building up an inspirational brand

MIGRATIONLIFE QUALITY LEADERSHIP

Source: * Instituto Synovate - Oct/2006

TIM Brand is recognized as reliable and appealingTIM: The 1st operator choice*

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Continuous Focus on top and large customersTailor-made and customized solution: Enriching portfolio plans

TIM Empresa Nacional + Tarifa Zero BrasilNational single tariff plan + Free

communication between the company’s employees anywhere in the country.

TIM Empresa MaisInnovative plan, with no minute

packages; its flexibility caters for companies wishing to expand their mobile communications.

TIM Casa EmpresarialAllows savings in mobile-to-fixed calls

(from 33% to 59%)

Mobile office solutionMost advanced Blackberry handsets portfolio

Front runner in innovation and flexibility on corporate services

Meeting the specific needs of companies with nationwide presence

Plans and services that allow enhanced mobile communications

Launch of several offers as to remain the leading mobile office solution provider (blackberry, voice and data bundles)

+

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VAS: Easy & Useful InnovationMaintenance of leadership in VAS segment

1Q07 VAS Results

UsersSMS P2P: + 29.0%MMS P2P: + 237.3%Data: + 80.9%

UsageMMS P2P: + 381%Data: + 186%

Growth YoY

*VAS Innovative= VAS excluding SMS P2P and Voice Mail

Innovative initiatives

Java GamesVerão PremiadoTIM Promotion

+11 p.p. YoY growth in innovative services

Interactive SMS offers in partnership with media companies

Reverse Mobile AuctionMarket campaigns and constant update of contents

provided by major players (Universal, Warner, Gameloft,Eletronic Arts and others)First-to-market launching VAS tariff plans:

Mega TIM – SMS/MMS bundle cardsubscription service model

Last minute SMS promotionsOffer of seasonal WAP sites as to promote dates

such as Carnaval and Regional Soccer Championship

5.9%**

1Q06 1Q07

127179

% over Net Service Revenue

6.7%

TraditionalInnovative*

44% 56%

VAS BreakdownVAS Net Revenue (R$Mln)

VAS Net Revenue

** Proforma: %Adjusted by Bill & Keep elimination starting on Jan 1st of 2006.

+40%

12

Con

sum

erFocus on efficiency and productivity

~ 8,500 PoS

29%

8%

63%

~ 1,700Tele-sales &

Personal

~ 260,000 points

Recharge

~ 630PME Sellers

144

KAM

Note: KAM (Key Account Manager)

Bus

ines

s

Retail

•Own stores•franchisees

Dealers

Largest distribution network in Brazil

Strengthening of sales workforce and high-value customer focus

Incentives on postpaid acquisitionCommissioning based on valueQualified large account sales staff

Improving channels productivity and efficiency

Increased prepaid gross additions through alternative channels (11% in 1Q07 vs. 4% in 1Q06)

Recharge channels expansion (> 40% YoYgrowth of electronic channels)

Increased % of electronic recharge revenue over total recharge revenue:52% in 1Q07 vs 35% in 1Q06

Optimization of Multi-Channel Sales

13

Reducing Subscriber Acquisition CostSAC performance

46% 38%

54% 62%

1Q06 1Q07

150

CommissionSubsidyAnatel’s fee on

net adds

ComodatoAdvertisingOthers

124

Direct cost Indirect cost

R$ -17% Declining SAC despite higher level of customer and handset mix:

23% YoY growth in postpaid gross addsexpanding sales of mid-range and high-end handsets

Reduced subsidy strategy

Focus on “TIM Chip Only” offer: > 70% of total gross in 1Q07

Postpaid discount oriented to maintain the competitiveness and high-value customers acquisition

Improved pay-back period:3.8 months in 1Q07 vs 4.3 months in 1Q06

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Main Messages

Market Performance

Commercial Strategy

Financial Performance

15

Total net revenue growthR$ Mln Reported Organic*

YoY Growth

1Q07

2,8432,066

1Q06

11% 6%

+38% +19%

+44% +22%

-17% -17%

* Proforma: Adjusted by Bill & Keep elimination starting on January 1st of 2006.

Net service revenue Net handsets revenue

89% 94%

Solid Net Service Revenues

Maintaining 2006FY service revenue growth trend

40% VAS net revenue growth

Handset revenues drop due to SIM Card sales push on

R$

1Q07

34.4

1Q06*

35.2

ARPU Performance: on track to rebound

-15%-12%

-9%

-6%

-2%

1Q06 2Q06 3Q06 4Q06 1Q07

+3 pp.

+3 p.p.

+3 p.p.

+4p.p.

ARPU* Change YoY (%)

Reducing the dilution

ARPU Broadly Stable

Keeping ARPU above the market

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Margin EBITDA aligned with annual expectationsContinuous Profitability Expansion

518.3 573.9 664.1

(83.6)

(451.3)

55.6 (113.6)(37.6)

(8.0) 14.1

815.0

1Q06EBITDA

Reported

1Q07EBITDA

Reported

ServiceRevenue

Network SellingExpenses

BadDebt

COGS OthersExpenses

1Q06HistoricalEBITDA**

1Q07EBITDA

Adjusted

678.2

Deferral ofsubsidies

Deferral ofsubsidies

21.1%* 24.0%* 23.4% 23.8%

* Proforma: Bill & Keep elimination starting on January 1st of 2006.** Data released in the 1Q06’s press release.*** Officially restated figure.Others Expenses includes: G&A, Personnel and Net Other Operating Expenses/Revenues

R$ Mln ▲YoYGrowth+44.1% +98.6% +24.8% +93.5% +13.2% +3.2%

HandsetsRevenue

-17.1%

+22.4% +13.8%* *

(30.8)

Main drivers:- Gross Adds: +33%- Recharges: +25%

Net of Co-billing and Interconnection provisions:+36 Mln, +43% (driven by +40% YoY growth in Post-Paid Gross Revenues)

***

+2.7pp, +160 Mln on a comparable basis

Change %YoY

EBITDA Margin

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From EBITDA to Bottom Line

EBITDA1Q07

DepreciationAmortization

EBIT Net Financial Expenses

Taxes and Others

Net Income

Δ YoY (Impact on Margins)(R$ mln) +90.2 +82.1(44.3) +25.8 +10.4

R$ Mln

+45.9

81.8 (63.3)

(582.3)664.1

(19.5)

R$24.2 Million (Subsidiary income taxes)R$12.6 Million (amortization of goodwill from privatization, non-cash item)

(38.0)

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Sound Financial HealthNet cash flow

Gross Debt: R$2.1 billion (of which 87% long term / average annual cost of 11.92% p.y. in 1Q07)Cash and equivalents: R$0.5 billionNet Debt: R$1.6 billion

R$ Mln

Significant cash flow improvement compared to 1Q06 (+R$883 million) mainly due to:(i) Increased Profitability(ii) Reduced impact from Working Capital changes

(1.241)

(488)

(67)

(197)

1Q06 1Q07

Non-Oper.FCFOper.FCF

OpFCF

NoFCF(1.438)

(555)+753

+883

+130

OperatingFCF4Q06

(1,582)(67)EBITDA +664CAPEX (255)Δ Oper. WC (898)

(1,027)

R$ Mln NonOperating

FCF 1Q07

(488)

(1,536) in 1Q06

Net financial position

Stable Net Financial Position YoYNegative WC due to cash-out of 4Q06’s CAPEX

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Statements in this presentation, as well as oral statements made by the management of TIM Participações S.A. (the “Company”, or “TIM”), that are not historical fact constitute “forward looking statements” that involve factors that could cause the actual results of theCompany to differ materially from historical results or from any results expressed or implied by such forward looking statements. The Company cautions users of this presentation not to place undue reliance on forward looking statements, which may be based on assumptions and anticipated events that do not materialize.

“Safe Harbor” Statements

Investor RelationsAvenida das Américas, 3434 - Bloco 01

6° andar – Barra da Tijuca

22640-102 Rio de Janeiro, RJ

Phone: +55 21 4009-3742 / 4009-3751/8113-0571

Fax: + 55 41 4009-3314

Visit our Website:

http://www.timpartri.com.br