Exhibit 16.1  LETTER FROM PRICEWATERHOUSECOOPERSAUDITORES
INDEPENDENTES WITH RESPECT TO CHANGE OF AUDITORS  June 28,
2010  Securities and Exchange
Commission 100 F Street, N.E. Washington, DC 20549  Commissioners:  We have read the statements made by Contax Participações
S.A. in its annual report on Form 20-F for the fiscal year ended December 31,
2009 in response to Item 16F(a) of Form 20-F (a copy of which is attached), and
we agree with the statements concerning our Firm therein.   Very truly yours,    /s/ PricewaterhouseCoopers
Auditores Independentes


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ATTACHMENT TO LETTER FROM
PRICEWATERHOUSECOOPERSAUDITORES INDEPENDENTES WITH RESPECT
TO CHANGE OF AUDITORS Item 16F.    Change in Registrant’s Certifying Accountant Previous Independent Registered
Public Accounting Firm On April 16, 2009, Contax S.A. replaced PricewaterhouseCoopers
Auditores Independentes as the independent registered public accounting firm
responsible for auditing its financial statements prepared in accordance with
IFRS for the year ended December 31, 2009.  Contax S.A.’s Board of Directors
participated in and approved the decision to replace PricewaterhouseCoopers
Auditores Independentes. The reports of PricewaterhouseCoopers Auditores Independentes
on the financial statements prepared in accordance with IFRS for the years
ended December 31, 2008 and 2007 contained no adverse opinion or disclaimer of
opinion and were not qualified or modified as to uncertainty, audit scope or
accounting principles. During the years ended December 31, 2008 and 2007 and through
April 16, 2009, there were no disagreements with PricewaterhouseCoopers
Auditores Independentes on any matter of accounting principles or practices,
financial statement disclosure, or auditing scope or procedure, which
disagreements, if not resolved to the satisfaction of PricewaterhouseCoopers
Auditores Independentes, would have caused them to make reference thereto in
their reports on the financial statements for such years. During the years ended December 31, 2008 and 2007 and through
April 16, 2009 there were no reportable events (as defined in Item 16F(a)(1)(v)
of Form 20-F). PricewaterhouseCoopers Auditores Independentes has furnished a
letter addressed to the SEC, dated June 23, 2010, agreeing with the above
statements. See copy of such letter in “Item 19. Exhibits”. New Independent Registered Public
Accounting Firm  As
of April 16, 2009, Contax S.A. engaged Deloitte Touche Tohmatsu Auditores
Independentes as its new independent registered public accounting firm
responsible for auditing its financial statements prepared in accordance with
IFRS for the fiscal year ended December 31, 2009.  During the two most recent
fiscal years and through April 16, 2009, Contax S.A. did not consult with Deloitte
Touche Tohmatsu Auditores Independentes regarding either (i) the application of
accounting principles to a specified transaction, either completed or proposed;
or the type of audit opinion that might be rendered on Contax S.A.’s financial
statements, and neither a written report was provided to Contax S.A. nor was
oral advice provided that Deloitte Touche Tohmatsu Auditores Independentes
concluded was an important factor considered by Contax S.A. in reaching a
decision as to the accounting, auditing or financial reporting issue; or (ii)
any matter that was either the subject of a disagreement, as that term is
defined in Item 16F(a)(1)(iv) of Form 20-F and the related instructions to such
Item, or a reportable event, as that term is defined in Item 16F(a)(1)(v) of
Form 20-F.


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