| 1. | I have reviewed this quarterly      report on Form 10-Q of Logitech International  S.A.; |
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|   |   |
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| 2. | Based on my knowledge, this      report does not contain any untrue statement of a material fact or omit to      state a material fact necessary to make the statements made, in light of      the circumstances under which such statements were made, not misleading      with respect to the period covered by this  report; |
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|   |   |
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| 3. | Based on my knowledge, the      financial statements, and other financial information included in this      quarterly report, fairly present in all material respects the financial      condition, results of operations and cash flows of the registrant as of,      and for, the periods presented in this  report; |
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|   |   |
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| 4. | The registrant’s other certifying      officer(s) and I are responsible for establishing and maintaining      disclosure controls and procedures (as defined in Exchange Act Rules      13a-15(e) and 15d-15(e)) and internal control over      financial reporting (as defined in Exchange Act Rules 13a-15(f) and      15d-15(f)) for the      registrant and have: |
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|   | 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 registrant, 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; |
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|   | 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; |
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|   | c. | Evaluated the effectiveness of      the registrant’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 |
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|   | d. | Disclosed in this report any      change in the registrant’s internal control over financial reporting that      occurred during the registrant’s most recent fiscal quarter (the      registrant’s fourth fiscal quarter in the      case of an annual report) that has materially affected, or      is reasonably likely to materially affect, the registrant’s internal      control over financial reporting;and |
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| 5. | The registrant’s other certifying      officer(s) and I have disclosed, based on our most recent evaluation of      internal control over financial reporting, to the registrant’s auditors      and the audit committee of the registrant’s board of directors (or persons      performing the equivalentfunction): |
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|   | 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      registrant’s ability to record, process, summarize and report financial      information; and |
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|   | b. | Any fraud, whether or not      material, that involves management or other employees who have a      significant role in the registrant’s internal control over financial      reporting. |
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|   | February      2, 2010 |
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|   | /s/ Erik K.      Bardman |
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|   | Erik      K. Bardman |
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|   | Senior      Vice President of Financeand Chief FinancialOfficer |
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