Plexus Q3 Earnings Release on July 24th After Market Close and Conference Call on July 25th at 8:30 a.m. E.T.

NEENAH, Wis., June 26 /PRNewswire-FirstCall/ — Plexus Corp. (NASDAQ:PLXS) , today announced it will release its fiscal 2008 third quarter results for the period ended June 28, 2008 on Thursday, July 24th after the stock market closes. Senior management will host a live webcast and conference call to review the results on Friday, July 25th at 8:30 a.m. Eastern Time.

What: Plexus Corp.’s Fiscal Q3 Earnings Conference Call

When: Friday, July 25th at 8:30 a.m. Eastern Time

Where: 888-693-3477 or 973-582-2710 with conference ID: 53533515
http://www.videonewswire.com/PLXS/072508/
(requires Windows Media Player)

Replay: The call will be archived until August 1, 2008 at noon Eastern
Time
http://www.videonewswire.com/PLXS/072508/
or via telephone replay at 800-642-1687 or 706-645-9291
PIN: 53533515

Contact: Dianne Boydstun, 920-751-5583, dianne.boydstun@plexus.com

** Please contact Dianne to switch from fax to email distribution **

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.

First Call Analyst:
FCMN Contact:

Source: Plexus Corp.

CONTACT: Ginger Jones, Vice President, Chief Financial Officer of Plexus
Corp., +1-920-751-5487, ginger.jones@plexus.com

Web site: http://www.plexus.com/