Notice to the Market
Statement of Acquisition of Relevant Shareholding

Rio de Janeiro, March 29, 2012 - In compliance with CVM/SGE/001/03 Letter of January 22, 2003, and Article 12, caput, of CVM Rule 358 of January 3, 2002, Contax Participações S/A (“Company”) (Bovespa: CTAX3 and CTAX4) hereby informs that it has received from CREDIT SUISSE HEDGING-GRIFFO ASSET MANAGEMENT S.A. and CREDIT SUISSE HEDGING-GRIFFO SERVIÇOS INTERNACIONAIS S.A. (hereinafter jointly referred to as "CSHG") a letter dated March 28, 2012, declaring that the non-resident investors and investment funds managed by CSHG now hold a relevant interest of 13.90% of the total number of common shares of the Company, equivalent to 3,470,600 such shares, which does not change the Company’s control or management structure.

CSHG further informs that the investment funds under its management hold 10,573,100 preferred shares issued by the Company, equivalent to 26.62% of the total such shares.

Considering the interests in common and preferred shares issued by the Company, the shareholders represented by CSHG hold 21.72% of its capital stock.

Marco Norci Schroeder
Investor Relations Officer
Contax Participações S.A.

To see the PDF version of the Notice to the Market, click here.