Circular Letter CVM/SEP No. 01/2016

Rio de Janeiro, February 5, 2016.
Subject: Update of the Empresas.NET System - version 9.0.0.1

Dear Investor Relations Director/Legal Representative/Responsible Director,

This Circular Letter aims to inform open companies, foreign companies, incentivized companies, and depositary institutions issuing non-sponsored Level I BDRs that starting on February 12, 2016, a new version 9.0.0.1 of the Empresas.NET System will be available, which includes improvements over the current version, especially regarding PDF report generation, as well as new associations that allow for the submission of information related to the remote voting process, in accordance with CVM Instruction No. 561/2015.

Until February 28, 2016, documents generated by the current version and this version 9.0.0.1 will be accepted; after that date, only documents generated by version 9.0.0.1 will be accepted.

The download of version 9.0.0.1 can be done via the CVM's electronic page on the World Wide Web (http://www.cvm.gov.br, section REGULATED COMPANIES, Companies, item Access to Company Information and Submission of Documents, Empresas.NET), as well as via the BM&FBOVESPA page (http://www.bmfbovespa.com.br, section Services – Solutions for Companies, Empresas.NET System).

Version 9.0.0.1 can only be installed on computers following the IBM (PC) standard, having Microsoft .Net Framework 4 or higher and the Windows XP Service Pack 3 or Windows Vista Service Pack 1 or higher or Windows 7 Service Pack 1 operating system in 32 or 64-bit architecture. The use of the Windows 7.0 operating system in 32-bit architecture is recommended.

Before installing version 9.0.0.1, you must perform a backup of the existing forms in the previous version of the Empresas.NET System, especially those not yet delivered, using the “Backup” function. After installing the new version, to recover files if necessary, the “Import” function must be used.

We inform you that questions regarding the installation, use, and operation of the Empresas.NET System, as well as reports of problems or difficulties in submitting documents, should be sent to the Post-Trade Support Superintendency of BM&FBOVESPA (SSP). Contact with the SSP can be made: (a) on business days, from 7 AM to 10 PM via email ssp@bvmf.com.br and by phone (11) 2565-5000 option 8. After 10 PM and on weekends and holidays, exclusively by phone (11) 2565-5000 option 8. Issues received after 10 PM on business days and on weekends and holidays will be handled after 7 AM on the next business day, except those related to system availability for receiving information, which will be handled immediately.

Sincerely,

Fernando Soares Vieira
Superintendent of Corporate Relations