Plexus (PLXS) 8-K Cost Associated with Exit or Disposal Activities

Exhibit 99.1

The expected ranges of pre-tax restructuring charges described in the Plexus Corp. Report on Form 8-K dated September 17, 2004 are summarized in the following table:

	Estimated Range
Non-Cash	Low End		High End
Fixed asset impairment.	$	2,500,000	$	3,500,000
Cash
Severance costs		1,250,000		1,500,000
Lease termination costs		6,000,000		7,000,000
Relocation costs		250,000		750,000
Total restructuring costs	$	10,000,000	$	12,750,000