DIAGNÓSTICOS DA AMÉRICA S.A.

Publicly-Traded Company

NIRE 35.300.172.507

CNPJ/MF n.º 61.486.650/0001-83

MATERIAL FACT

DIAGNÓSTICOS DA AMÉRICA S.A. ("Company" or "DASA"), in addition to the material facts disclosed in the past days, informs that it has received, on the date hereof, the notice delivered by Cromossomo Participações II S.A. ("Offeror"), in connection with the ongoing tender offer, which is attached as an exhibit hereto.

DASA will keep its shareholders and the market informed of the developments in connection with the matters addressed in this material fact.

Barueri, March 12, 2014.

Paulo Bokel Catta-Preta Chief Investors Relations Officer

Exhibit to the Material Fact dated March 12, 2014

The content of this Exhibit does not constitute a manifestation of Diagnosticos da América S.A.

To Confidential

DIAGNÒSTICOS DA AMÉRICA S.A.

Juruà Avenue, No. 434, Aiphavme

Postal Code 06455-010.Baruerì, SP

Alt.: Mrs. Lìlian Cristina Pacheco Lira

12 March 2014

Dear Mrs..

Reference ìs made to the voluntary tender offer far the acqulsitlon of common shares issued by Diagnòsticos da Amèrica S.A., publìc-held company, with office In the City of Barueri, State of Sile Paulo. at Juruà Avenue. No. 434. Postal Code. 06455-010, enrolled wrth the Brazilian Legai Entity (Cadastrc Nacional da Pessoa Jur/dica do Mmistérfo da Fazenda) ("CNI'JIMF') under No. 61.486.650!0001-83 ("Company" or 'DASA') held by Cromossomo Partfcipaçòes Il S.A., a Brazi!ian corparation (socledade por açòesì with registered office in the City of S3o Paulo, State of S3o Pau!o, at Joaquim Floriano Street, No. 413, floor 112- part ltaim BìbL Posta! Code:04534-011. enrolled wlth the CNPJIMF under No.14.167.18810001-71. as offeror ("Offeror"). jomtly with BTG PACTUAL CORRETORA DE TiTULOS E VALORE$ MOBILIÀRIOS S.A., flnancìal ìnstìtutìon, wlth registered office !n the C;ty of Sii:o Paulo, State of Sao Pau!o, at Br!gadeiro Faria lima Avenue, No3A77, 14 11 fìoor- part, enrolled with the CNPJ!MF under No. 43.8t5.158i000i-22, as intermediary financial institutton, ;n accordance with artic!e 257 of Law No. 6A04 of December 15!.h. 1976, as amended and with ltems and of artrcle 2rc of Ru!ing No. 361, enacted by the Brazllian Securities and Exchange Commission - Comlsso de Valore:s Mobiflarios (''CVM'') of March 57 , 2002. as amended ("CVM Rullng 361"), for the acquisiTion of up to the totality of oommon shares issued by DASA ("Offer"). as disdosed in the announcement of the Offer published on 23 December 2013 and amended on 30 January2014 ("Announcement").
The Offeror hereby announces the that the present date represents the endìng of the thìrty perìod foHowing the the auction date in which the Offeror, in accordance with artide 32-A of CVM Ruling
361, has acquired any outstanding stock, tn the same conditions of the Offer, a:t prtce per share of RS

15.00, by the Brazilfa:n official fnflation rate de ao Consumidor - IPCA) pro

rata !rom the date o!the auction until the settlement date.
Therefore. upon the completlon of the Offer, the Offeror has the total amount ol150,769,012 shares, representlng 48.35% o!the share capitai of DASA. The ìnterests of lhe Dfferor, together wìth rts lndirect controltmg Mr. Edson de Godoy Bueno and Ms. Dulce Pug iese de Godoy represents 71J34'Fo of the share capitai o!the DASA on thìs date.
We remain at your disposai for any further exptanation or additional oomments you rnay require on the subìect.

Regards.


Pagina t de 1

distributed by