1July 23rd, 2007

TIM Participações S.A.

2Q07’s Results

2

Main Messages

Market Performance

Commercial Strategy

Financial Performance

3

2Q07: TIM Continues to Deliver Market Leading ResultsCustomer Quality

Innovation Profitability

Improving client mix: postpaid lines reach 22.0% on total (+1.4pp YoY).

29.0% of Market Share in postpaid

Reinforcing our leadership in business segment

Confirming our leadership in net service revenue

Preferred mobile operator in Brazil

Leader in average client satisfaction

Largest voice & data coverage

Continuous net service revenue growth

Steady VAS gross revenue increase

ARPU Growth QoQ

Further SAC reduction

Solid YoY & QoQ EBITDA margin expansion

Positive net income

TIM Web: internet access solution

TIM Mais Completo: convergent solution (mobile + fixed + internet)

Continous VAS innovation

Continuous Value Segment Growth Recognized TIM Brand

Solid Financial GrowthFocusing on Customer’s TotalCommunication Needs

Overall growth prospects remaining strong

4

Main Messages

Market Performance

Commercial Strategy

Financial Performance

5

19.6% 19.4% 19.5% 19.3%

91.8 95.9 99.9 102.2

51.2% 53.2% 54.2% 56.4%

49.2%

2Q06 3Q06 4Q06 1Q07 2Q07

106.7

Source: ANATEL and company´s data.

Continued Focus on Value Market

Market Lines (Mln) and Penetration Rate

Postpaid mix Penetration Rate

Speeding up market growth lead by GSM

dominant technology

Increased penetration concentrated in lower

income classes

TIM Lines Evolution (Mln)

Postpaid mix

Lines

GrowthYoY

Combining Growth with an Improved Mix

Lines

GrowthYoY

+16.9%

+7.2 p.p.

+16.2%

+31.5%

+23.0%

20.5%20.6% 21.3% 21.6%

22.324.1

25.4 26.3

2Q06 3Q06 4Q06 1Q07

22.0%

27.5

2Q07

19.6%

Attracting the best customer mix:

TIM: 22.0% of postpaid (+1.4 p.p. YoY)

Competitors: 18.7% of postpaid (-0.4 p.p. YoY)

6

Continued focus on value and not on growth “per se”

Sound market share:

25.8% of market share (+1.5 pp Y-o-Y basis)

2Q07 Segmented Approach

Selective Customers AcquisitionHigher Share on Value Market

FirstPlayer

ThirdPlayer

Market Share Performance

31.1%

29.1%

24.3%25.4%

22.8%23.9%

2Q06 3Q06 4Q06 1Q07 2Q07

-2.6 pp-2.8 mln lines

28.4%

25.8%

24.6%

+1.5 pp

+1.4 mln lines

+1.2 pp

+1.2 mln lines

-6.8 pp-6.2 mln lines

* Based on 1Q07 figures

29.0%

25.7%25.0%

24.0%

Total lines

Postpaid lines

25.8%

Net service revenue

LEADERSHIP**

LEADERSHIP*

2nd PLAYER

22.2%

2Q07 Mkt Share of Net AddsMarket Share per Segment

TIM Share & Positioning

Prepaid Postpaid

+3.3p.p.

+1.0p.p.

2Q06 2Q07

Post

Pre

29.0%

>30%

41.5%

Total 26.0%

VOLUME

VALUE

Higher share and growth on high-value customers:

Postpaid mix of net additions in the 2Q07: TIM 31.2% vs competitor's average of 15.5%

Leadership in net service revenue

** Based on 1Q07 figures and confirmed in 2Q07 results already released

Source: ANATEL / Company´s data / Competitors press release.

7

Main Messages

Market Performance

Commercial Strategy

Financial Performance

8

Confirming the Leadership in Customer Satisfaction

Average Satisfaction Index*

Sources:

Leveraging on Leading Brand Power

Consumer Preference (%) **

TIM Brand is recognized as reliable and appealing, representative of market values and dreams

Winner of all recent key independent surveys:• TIM is the first operator choice• Leader in average client satisfaction through the call center• Quality standard in the postpaid heavy user call center service

Committed to constant improvement of brand perception through creation of new customeroperations unit

* Interscience - May/2007** Instituto Synovate - May/2007

3rd Player

8.09

1st Player

8.068.69

2529

3rd Player

17

1st Player

9

Consumer: A Valuable Marketing Strategy

Pushing Usage through Promotion and Total Communication Service

Facing competitors aggressiveness trough continuous offer improvement

Working on community concept in order to increase usage

R$ 0.07 per minute for local on-net and DDI* calls* Limited to 20 min/month to specific countries (US / Italy / etc)

Mothers &

Valentines’ Day

Focus on “On-Net Traffic”

TIM Chip only

& Recharge

Incentives

Lowering SAC & Stimulating UsageTIM chip cost refund subject to recharge within 48 hours

from activation“Recarga Fácil” followed “Recarga Extra”, maintaining

bonus in minutes, according to recharge value

“TIM Mais

Completo”

& “TIM Web”

Focusing on Total Communication Needs

Attracting fixed and data revenue while safeguarding mobile leadershíp

USB ModemGPRS / EDGE

New TIM Casa

PrepaidNew TIM Casa prepaid: More attractive monthly fee, R$9,90 for

50 minutes - Boosting sales.

Segmenting TIM Casa Offer

TM Mais Completo: Full communication package combining Mobile Calls + Home Fixed Calls + Internet access

TIM Web: Internet access through USB Modem for Laptops and Desktops

Fixed license acquisition: to enrich TIM convergent services offers

10

Integrated Business SolutionsCross-selling of Voice and Data Service

Complete solution for corporate portfolio: meeting the specific

needs of companies with nationwide presence

Mobile office: the widest BlackBerry and Smartphones handset

portfolio

Homezone for corporate segment: TIM Casa Empresarial

Data-only offer, leveraging on the widest data network in the

country : Nosso Link

Consolidate

Positioning in

Business

Segment

Over 1,000 municipalities with EDGE

100% GPRS network coverage

11

Continuous VAS InnovationStimulating Data Usage

Innovative

Offer /

Flexibility and

Convenience

TIM DATA PACKAGEInternet access Portfolio Data Plug insBundle includes 1 GB, 250 MB or 40 MB Valid for all TIM Postpaid (Corporate and Consumer)

Data Package Cross-selling

Push on Media Content, Interactivity and Connectivity

MEGA TIM WAP: 40MB Bundle through Wap FastMEGA TIM Mensagens: SMS+MMS Bundle Cards

Data Usage Incentives

Gol airlines m-serviceTickets and Check-in

Free Demo GamesPromotional

Games for R$3,99

User GeneratedContent SMS Promotions

Cristo RedentorQuizTorpedo SurpresaRetail promotion

(Mellita, Extra e Prestobarba Gillete)

Music content download

M-Commerce TIM Music Store Games TIM Studio VASStimulation

(user&usage)

12

Further Segmentation in Subscriber Acquisition Cost

SAC Performance

Lowering SAC despite better level of customer and handset mix:

24.6% YoY growth in postpaid gross addsincreasing % of mid-range and high-end handsets

sold

Reduced subsidy strategy with focus on “TIM Chip Only” offer:

More than 70% of overall gross adds in 2Q07 vs. ~40% in 2Q06

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

Improved pay-back period:

3.3 months in 2Q07 vs 4.7* months in 2Q06

42%30%

58%

70%

2Q06 2Q07

168

CommissionSubsidyAnatel’s fee on

net adds

ComodatoAdvertisingOthers

113

Direct cost Indirect cost

R$

-33%

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

13

Main Messages

Market Performance

Commercial Strategy

Financial Performance

14

Total Net Revenue Growth

R$ MlnReported Organic*

YoY Growth

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

Net Service Revenue Net Handsets Revenue

Solid Net Service Revenues

Continuous service revenue growth:Total traffic + 43% YoY: focus on

on-net call promotion, stimulating usageCustomer growth +23% YoY

Handset revenues confirm the trend of the previous quarters reflecting strong push on ‘TIM Chip Only’ sales

R$

MOU / ARPU Performance

ARPU increase QoQ

Keeping ARPU above the market

2Q07

3,060

2,275

2Q0613% 9%

87%91%

+34.5% +17.3%

+40.5% +20.2%

-5.8%

1Q07

34.4 34.6

2Q07

Min

2Q07

94

2Q06

81

+16%

MOU increase driven by on-net traffic

Increasing usage

+0.7%

15

+4.5pp YoY, +228 mln on comparable basis

EBITDA and Margin EBITDA Expansion

Delivering Profitable Growth

2Q06EBITDA

2Q07EBITDA

ServiceRevenue

NetworkExpenses

SellingExpenses

BadDebt

COGSOthers

Expenses**

* Proforma: Bill & Keep elimination starting on January 1st of 2006.** Others Expenses includes: G&A, Personnel and Net Other Operating Expenses/Revenues

R$ Mln

HandsetsRevenue

Main drivers:- Gross Adds: +26%- Recharges: +32%

Change % YoY

EBITDA Margin

515.7

743,7

(55.3)

(457.5)

(53.8)

(17.0)

0.0

801.8

9.9

19.8%* 24.3%

Improving Y-o-Y performance excluding impact of LD41 from non TIM customers (R$22 mln)

Bad Debt (as % of net services revenue)

Improved Margin QoQ despite negative seasonality

2Q06 2Q07

5.3%

5.7%6.0%

0.7%

+40.5% +103.5% +9.5% +48.9% -2.6% +0.0%-5.8% +44.2%

+20.2%* +9.9%*

16

From EBITDA to Bottom Line

EBITDA2Q07

DepreciationAmortization

EBIT NetFinancial Expenses

Taxes and Others

Net Income

YoY

(R$ mln) +228.0 +272.6(16.0) (10.7) +71.3

R$ Mln

+212.0

173.7(81.5)

(570.0)743.7

34.0(58.2)

* 2Q06: Recovery of` PIS/COFIN taxes credit (positive effect).** 2Q07: Monetary restatement of contingencies (negative effect).

+ R$39.3 Mln excluding non recurring items:2Q07: R$ 19.8 Mln*2Q06: R$ 30.2 Mln**

Positive Bottom Line

R$43.1 Million (Subsidiary income taxes)R$12.6 Million (amortization of goodwill from

privatization, non-cash item)R$ 2.5 Million (others non-operational expenses)

17

Net Financial PositionNet Debt QoQ Trend

Gross Debt: R$2.3 billion (of which 89% long term / average annual cost of 11.66% p.y. in 2Q07)

Cash and equivalents: R$0.3 billion

Net Debt: R$2.0 billion

OpFCF1Q07

(1,973)(556)

R$ Mln NonOpFCF

2Q07

Net Cash Flow (OpFCF + Non OpFCF)

Positive Operating FCF due to increased profitability

(1,582) 165

R$ Mln

Reported2Q07

Positive Net Cash Flow (+R$390 Mln) excludingseasonal disbursement

(391)440

Net CashFlow

Pro-forma

341 390

Annual Fistel

PaidDividends

Seasonal Impact (R$781 Mln)

Of whichDividends (440)

EBITDA +744CAPEX (324)

Oper. WC (255)

18

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 the

Company 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 Relations

Avenida das Américas, 3434 - Bloco 01

6° andar – Barra da Tijuca

22640-102 Rio de Janeiro, RJ

Phone: +55 21 4009-3742 / 4009-3751 / 4009-3446 / 8113-0571

Fax: + 55 41 4009-3314

Visit our Website:

http://www.timpartri.com.br