Med Imagem Acquisition

August 2007

2

Company Overview

Financial Highlights1

Monthly Requisitions 17,000

Employees 180

Physicians 67

Patient Service Centers

08

Operational Highlights

(Dec.2006) R$ Million 2006 LTM2 YTD2

Gross Revenues

23.5 26.0 10.1

Net Revenues

22.2 24.2 11.0

Adjusted Ebitda

9.1 10.6 5.0

Ebitda Margin

41.0% 43.8% 45.5%

EV (R$ million)

47.0

EV/Ebitda 5.2x 4.7x N.A.

Medimagem is the largest imaging company of Niteroi, Rio de Janeiro state. Founded in 1992, it has 8 PSCs, being 6 in Niterói, 1 São Gonçalo (Niterói surroundings) and 1 at Copacabana (Rio de Janeiro);

The highly qualified medical team (67 physicians) broght to Medimagem a strong reputation among the local community. This is reflected by the additionnal services the clinic performs on having second oppinion in 100% of the reports issues and the high quality of the tests for prostate and mamography biopsis;

Medimagem is the regional leader in a location where this is a key success factor: 50% of the patients refers to the clinic by medical recomendation;

In LTM May 2007, the Company’s revenues totaled R$ 26.0 million with 43.8% of EBITDA margin.

1) Revised by PWC2) LTM = June’06 to May’07 / YTD = Jan to May’07

3

Market Overview

Niterói and São Gonçalo are around 15km far from Rio de Janeiro and together has approximately 1.5 million inhabitants (IBGE,Jul/06) and;

Imaging service market is very fragmented in the region. Main players includes Labs and Pro Echo.

Main Competitors

Demographic Data

Population 1.45 million

GDP R$ 11.2 billion

Life Expectancy

69.4 years old

Health Care Coverage

9.0%

Source: ANS and Ipasgo

Niterói and São Gonçalo (RJ)

LabsNet

Revenues*PSCs

R$ 76.3 million

27

R$ 10.5 million

13

DASA’s presence

4

Medimagem

MedImagem reached R$ 26.0 million revenues and R$ 10.6 million EBITDA (43.8% margin) as of LTM May/07

Revenues have been growing at a 16% CAGR (2003 to 2006), as a consequence of the investments in new equipments and new PSCs;

Revenues Evolution (R$ Mln)

26%

CAGR: 16%

Piratininga PSC

Technical Structure

Equipments # of Machines

MRI 4

Cat Scan 4

Ultrasound 13

X-Ray 9

Mammography 5

Bone densitometer 6

14,90

18,5820,96

23,5626,03

9,411,8

0

5

10

15

20

25

30

FY03 FY04 FY05 FY06 LTMMay/07

5M06 5M07

5

Proposed Deal

Schedule of payments

90% at closing and 10% within 1-year;

Escrow account of R$10.0 million to be retained for the next 6 years.

Firm Value (FV) R$ 47.0 Million

(-) Debt (as of 12/31/06)1 R$

2.3 Million

Equity Value (EV) R$ 44.7 Million

Down Payment: 30.1 Million

R$ 4.5 Million

FV/ EBITDA 2006: 5.2x

FV/ EBITDA LTM2: 4.7x

(1) Revised by PWC

(2) LTM May 2007

= R$ 10.0

million

At

ClosingOne year

after

Escrow

Account

6

Med Imagem’s leading position in Niterói and São Gonçalo will leverage DASA’s presence in the region;

The acquisition will complement DASA’s multi-product strategy in Rio de Janeiro increasing imaging services revenues by more than 100%;

Growth Strategy

. Integration with DASA’s Reporting Central in Rio;

. Platform to increase clinical analysis in the Niteroi region where we currently have 2 PSCs;

. Expansion to nearby cities: São Gonçalo, Região dos Lagos, Cabo Frio and Macaé.

Potencial Sinergies and growth strategy

Tests Medimagem

Lamina Bronstein

MRI 68.7% 6.7% 24.6%

Cat Scan 54.3% 2.2% 43.5%

Ultrasound 41.4% 10.7% 48.2%

Mammography

55.3% 7.0% 37.7%

X – Ray 28.3% 23.6% 48.1%

Cardiology 51.7% 11.2% 24.9%

Bridging the Image gap in Rio (% of tests performed –

pro forma)

7

Acquisition Guidance Completion

DASA has a very low market share and believes that there are several expansion targets still to be pursued;

After completing its acquisitions guidance, DASA continues the consolidation process in Brazil;

Opportunities continues to come both in private and public sector, for clinical and imaging companies.

Acquisition Evolution (Million)

2005 2006 2007303,7

206,7

165,5145,0135,9128,6

109,8

64,142,7

9,7

Past

eur

Fris

chm

an

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Image

Alv

aro

LabPast

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MedLa

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Vit

a

Ata

laia

Exam

e

Cie

ntí

fica

333,7

MedIm

agem

8