|  | a) | Designed such disclosure controls      and procedures or caused such disclosure controls and procedures to be      designed under our supervision, to ensure that material information      relating to the company, including its consolidated subsidiaries, is made      known to us by others within those entities, particularly during the      period in which this report is being  prepared; |
|--|----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|  | b) | Designed such internal control      over financial reporting, or caused such internal control over financial      reporting to be designed under our supervision, to provide reasonable      assurance regarding the reliability of financial reporting and the      preparation of financial statements for external purposes in accordance      with generally accepted accounting  principles; |
|--|----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|  | c) | Evaluated the effectiveness of the      company’s disclosure controls and procedures and presented in this report      our conclusions about the effectiveness of the disclosure controls and      procedures, as of the end of the period covered by this report based on      such evaluation; and |
|--|----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|  | d) | Disclosed in this report any      change in the company’s internal control over financial reporting that      occurred during the period covered by the annual report that has      materially affected, or is reasonably likely to materially affect, the      company’s internal control over financial reporting;      and |
|--|----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | a) | All      significant deficiencies and material weaknesses in the design or      operation of internal control over financial reporting which are      reasonably likely to adversely affect the company’s ability to record,      process, summarize and report financial information;  and |
|--------|----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | b) | Any      fraud, whether or not material, that involves management or other      employees who have a significant role in the company’s internal control      over financial reporting. |
|--------|----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| By:    | /s/      Mario Cesar Pereira de Araujo |
|--------|----------------------------------------|
|   | Name:                                  | Mario      Cesar Pereira de Araujo |
|   | Title:                                 | Chief      Executive Officer |

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