Med Imagem AcquisitionAugust 2007

Company OverviewMedimagem is the largest imaging company of Niteroi, Rio de Janeiro state. Founded in 1992, it has 8 PSCs, being 6 in Niteri, 1 So Gonalo (Niteri 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 Companys revenues totaled R$ 26.0 million with 43.8% of EBITDA margin.Financial Highlights1Operational Highlights (Dec.2006)1) Revised by PWC2) LTM = June06 to May07 / YTD = Jan to May07

Monthly Requisitions17,000Employees180Physicians67Patient Service Centers08

Market OverviewNiteri and So Gonalo 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 CompetitorsSource: ANS and IpasgoNiteri and So Gonalo (RJ)DASAs presence

Demographic DataPopulation1.45 millionGDPR$ 11.2 billionLife Expectancy69.4 years oldHealth Care Coverage9.0%

LabsNet Revenues*PSCsR$ 76.3 million27R$ 10.5 million13

MedimagemMedImagem reached R$ 26.0 million revenues and R$ 10.6 million EBITDA (43.8% margin) as of LTM May/07Revenues 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 PSCTechnical Structure14,9018,5820,9623,5626,039,411,8051015202530FY03FY04FY05FY06LTMMay/075M065M07

Equipments# of Machines MRI4 Cat Scan4 Ultrasound13 X-Ray9 Mammography5 Bone densitometer6

Proposed Deal Schedule of payments90% 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 MillionEquity Value (EV) R$ 44.7 MillionDown Payment: 30.1 MillionR$ 4.5 MillionFV/ EBITDA 2006: 5.2xFV/ EBITDA LTM2: 4.7x(1) Revised by PWC(2) LTM May 2007= R$ 10.0 millionAt ClosingOne year afterEscrow Account

Med Imagems leading position in Niteri and So Gonalo will leverage DASAs presence in the region;The acquisition will complement DASAs multi-product strategy in Rio de Janeiro increasing imaging services revenues by more than 100%;Growth Strategy. Integration with DASAs Reporting Central in Rio; . Platform to increase clinical analysis in the Niteroi region where we currently have 2 PSCs;. Expansion to nearby cities: So Gonalo, Regio dos Lagos, Cabo Frio and Maca.Potencial Sinergies and growth strategyBridging the Image gap in Rio (% of tests performed pro forma)

Acquisition Guidance CompletionDASA 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)200520062007303,7206,7165,5145,0135,9128,6109,864,142,79,7PasteurFrischmannImageAlvaroLabPasteurMedLaborVitaAtalaiaExameCientfica333,7MedImagem