2003 Committee Charter : PLXS

RESOLVED, that the Audit Committee of the Board of Directors hereby adopts the Audit Committee Charter as set forth below:

PLEXUS CORP.
AUDIT COMMITTEE CHARTER

The Board of Directors of Plexus Corp. hereby adopts this Charter for the Audit Committee of the Plexus Board. The Audit Committee shall have the authority, responsibility and duties which are specified below.

Composition

The Audit Committee shall have three or more independent directors, at least one of whom shall be qualified and designated as a "financial expert" as defined by Sarbanes-Oxley. The Committee members shall meet all other independence and experience requirements of the Securities and Exchange Commission and the NASDAQ Stock Market. The Board of Directors shall appoint one member of the Audit Committee as the Committee Chairman.

Authority

The Audit Committee is authorized to review, prior to submission to the SEC or release to the public, the financial statements and earnings releases prepared by management, to oversee the annual financial audit of the Company, and to review any other activity of the Company in connection therewith that they deem appropriate. All employees are directed to cooperate as required by members of the Committee. The Committee is solely empowered to appoint, determine funding for, and oversee persons having special competence, such as independent accountants, counsel, auditors or other advisors, if and as necessary to assist the Committee in fulfilling its responsibility. The Committee shall not be required to seek Company approval for such decisions.

Responsibility

The Audit Committee shall be responsible for communicating with the Directors, the independent accountants, and management, regarding their duties as they relate to financial accounting, reporting and controls. The Committee shall assist the Board in fulfilling its fiduciary responsibilities as to Plexus' accounting policies and reporting practices, and the sufficiency of auditing relating thereto. The Committee is to be the Board's principal agent in assuring the independence of the independent accountants, the integrity of management, and the adequacy of disclosures to shareholders. However, the opportunity for the independent accountants to meet with the entire Board as needed or desired is not to be restricted.

Meetings

The Audit Committee is to meet at least four times per year, and as many other times as that Committee deems necessary. The Chairman may call a meeting at any time he or she believes it is necessary or appropriate.

Attendance

At least a majority of the members of the Audit Committee are to be present at all meetings, either in person or by telephone. As necessary or desirable, the Chairman may request that members of management and/or representatives of the independent accountants be present at meetings.

Minutes

The Committee shall arrange for minutes of each meeting to be prepared and sent to all Committee members. If Plexus' corporate Secretary has not taken the minutes, they should be sent to him or her for permanent filing with the minute books.

General Duties

1. Inform management and the independent accountants that the independent accountants and the Committee may communicate with each other at all times.

2. Review with management, the independent accountants, and internal auditors, Plexus' general policies and procedures to reasonably assure the adequacy of internal accounting and financial reporting controls.

3. Have familiarity with the accounting and reporting principles and practices that are applied by Plexus in preparing its financial statements, as well as its established standards of corporate conduct and performance, and deviations therefrom.

4. Establish procedures for the receipt, retention, and treatment of complaints received regarding accounting, internal accounting controls, or auditing matters. Ensure that such complaints are treated confidentially and anonymously. The Committee should ascertain that the appropriate measures are taken to correct such matters, and should inform the Board and the complainant, if feasible, of such corrective actions.

5. Review internal policies regarding risk management and risk assessment.

6. Set clear hiring policies for employees and former employees of the independent accountants consistent with restrictions imposed by Sarbanes-Oxley.

7. Recommend to the Board of Directors any appropriate extensions or changes in the duties of the Committee and/or changes to this Charter.

Reporting Duties

8. Provide any reports or summaries that may be required for the annual report to shareholders Proxy Statement and/or Form 10-K.

9. Update the Board of Directors, through minutes and presentations as may be necessary or appropriate, of significant developments in the course of performing the duties set forth herein.

Duties Pertaining to the Independent Accountant

10. Determine whether or not to retain the current independent accountants, make hiring decisions with respect to new independent accountants, and report to the Board of Directors regarding the basis for such decisions.

11. Pre-approve all audit and permissible non-audit services. Review the scope and extent of non-audit services that may be provided by the independent accountants in relation to the objectivity needed from the independent accountants in the audit.

12. Perform an annual review of the scope and general extent of the independent accountants' audit examination, including their engagement letter.

13. Review and approve the independent auditors' fees, and annually have Management summarize such fees for Committee review. The Committee's review should entail an understanding from the independent accountants of the factors considered in determining the audit scope.

14. At least annually, obtain and review a report provided by the independent accounting firm describing its internal quality control procedures, any material issues raised by the most recent internal quality control review or governmental/professional investigation of the firm, and detailing all relationships between the independent accounting firm and the Company.

15. Review with management and the independent accountants, upon completion of their audit, the financial results for the year.

16. Evaluate the cooperation received by the independent accountants during their audit examination, including their access to all requested records, data and information. Inquire of the independent accountants whether there have been any disagreements with management which, if not satisfactorily resolved, would have caused them to issue a nonstandard report on the financial statements.

17. Discuss with the independent accountants the quality of Plexus' financial and accounting personnel, and any relevant recommendations which the independent accountants may have, including those in their "letter of comments and recommendations".

18. Review with management, the independent accountants, and internal auditors the scope and quality of internal controls in effect, as well as management's responses with respect to the independent accountants' comment letter.

19. Obtain management comments on the responsiveness of the independent accountants to Plexus' needs.

Duties Pertaining to Plexus' Internal Auditors

20. Review at least annually the internal auditors' staffing, budget and responsibilities.

21. Review the audit plans, audit scope, and results of the internal auditors' work. Assess the performance of the internal auditors in executing these plans and meeting their objectives.

22. Meet with the independent accountants and internal auditors in separate executive sessions to discuss any matters which the Committee or these groups believe should be discussed privately.

23. Conduct an appropriate review of related party transactions within Plexus on an ongoing basis and review potential conflict of interest situations or questions where appropriate.

While the Audit Committee has the responsibilities and powers set forth in this Charter, it is not the duty of the Audit Committee to plan or conduct audits or to determine that the financial statements are complete and accurate and are in accordance with generally accepted accounting principles. This is the responsibility of management and audit attestation of the independent auditors. It is also not the duty of the Audit Committee to resolve disagreements, if any, between management and the independent auditor.