NEENAH, Wis., July 28 /EMWNews/ -- Plexus Corp. (Nasdaq:

PLXS) today announced that its Board of Directors has increased the size of

the Board to nine directors and has elected Mary A. Winston to fill the new

seat, effective immediately. Ms. Winston currently serves as President and

Founder of WinsCo Financial, LLC, a consulting firm focused on developing

and implementing financial and strategic solutions for small to

medium-sized companies. Prior to WinsCo Financial, LLC, Ms. Winston was the

Executive Vice President and Chief Financial Officer for Scholastic

Corporation. Ms. Winston held other accounting and financial positions with

Visteon Corporation, Pfizer, Inc., Baxter International, Inc., SBC

Ameritech, Inc., and Arthur Andersen & Co. She also serves on the Board of

Directors and is Chairperson of the Audit Committee of Dover Corporation.



    John Nussbaum, Chairman of the Board of Plexus Corp. commented, "I

would like to welcome Ms. Winston to the Plexus Board of Directors. We

believe her extensive financial and strategic planning experience will

provide additional depth and insight as the Company continues to expand

globally."



    Dean Foate, President and CEO of Plexus Corp. added, "The Plexus

Leadership Team is looking forward to working with Ms. Winston to help us

refine the strategy and values of the Company that we believe will drive

long-term shareholder value."



    Ms. Winston holds a Masters of Business Administration in Finance,

International Business and Marketing from the Kellogg School of Management

at Northwestern University and a Bachelors of Business Administration in

Accounting and Management Information Systems from the University of

Wisconsin - Milwaukee. Ms. Winston is a Certified Public Accountant.

    About Plexus Corp. -- The Product Realization Company



    Plexus (http://www.plexus.com) is an award-winning participant in the

Electronics Manufacturing Services (EMS) industry, providing product

design, supply chain and materials management, manufacturing, test,

fulfillment and aftermarket solutions to branded product companies in the

Wireline/Networking, Wireless Infrastructure, Medical,

Industrial/Commercial and Defense/Security/Aerospace market sectors.



    The Company's unique Focused Factory manufacturing model and global

supply chain solutions are strategically enhanced by value-added product

design and engineering services. Plexus specializes in mid- to low-volume,

higher-mix customer programs that require flexibility, scalability,

technology and quality.



    Plexus provides award-winning customer service to more than 100 branded

product companies in North America, Europe and Asia.



    Safe Harbor and Fair Disclosure Statement



    The statements contained in this release which are guidance or which

are not historical facts (such as statements in the future tense and

statements including "believe," "expect," "intend," "plan," "anticipate,"

"goal," "target" and similar terms and concepts), including all discussions

of periods which are not yet completed, are forward-looking statements that

involve risks and uncertainties, including, but not limited to: the

economic performance of the electronics, technology and defense industries;

the risk of customer delays, changes or cancellations in both ongoing and

new programs; the poor visibility of future orders in the defense market

sector and the uncertainty of defense appropriations and spending; the

effects of the volume of revenue from certain sectors or programs on our

margins in particular periods; our ability to secure new customers and

maintain our current customer base; the risks of concentration of work for

certain customers; material cost fluctuations and the adequate availability

of components and related parts for production; the effect of changes in

average selling prices; the effect of start-up costs of new programs and

facilities, including our recent and planned expansions; the adequacy of

restructuring and similar charges as compared to actual expenses; the

degree of success and the costs of efforts to improve the financial

performance of our Mexican operations and the outcome of our review of our

other North American footprint; possible unexpected costs and operating

disruption in transitioning programs; the costs and inherent uncertainties

of pending litigation; market reaction to the recently completed share

repurchase program; the effect of general economic conditions and world

events (such as increases in oil prices, terrorism and war in the Middle

East); the impact of increased competition; and other risks detailed in the

Company's Securities and Exchange Commission filings (particularly in Part

II, Item 1A of our quarterly report on Form 10-Q for the quarter ended

March 29, 2008).