Plexus to Webcast Investor Presentation at Citigroup Technology Conference on September 5, 2007

NEENAH, Wis., Aug. 29 /PRNewswire-FirstCall/ — Plexus Corp. (NASDAQ:PLXS) , today announced it will webcast its investor relations presentation at the Citigroup Technology Conference on September 5, 2007 at 8:40 a.m. Eastern Time.

  What:   Plexus Corp.’s IR Presentation at Citigroup Technology Conference

  When:   Wednesday, September 5th at 8:40 a.m. Eastern Time
  Where:  http://www.veracast.com/webcasts/citigroup/tech07/79202296.cfm

          (requires Windows Media Player)

  Replay: The webcast will be archived until October 6, 2007
   ** 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, test, manufacturing and fulfillment and aftermarket solutions to branded product companies in the Wireline/Networking, Wireless Infrastructure, Medical, Industrial/Commercial and Defense/Security/Aerospace industries.

The Company’s unique Focused Factory manufacturing model and proprietary global supply chain solutions are strategically enhanced by value-added product design and engineering services. Plexus specializes in 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: Kristian Talvitie, Vice President Marketing, Branding &
Corporate Communications of Plexus Corp., +1-920-969-6160,
kristian.talvitie@plexus.com

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