Plexus (PLXS) 10-Q 2025 Q1 Quarterly report

										Exhibit 99.1
Return on Invested Capital ("ROIC") and Economic Return Calculations GAAP to non-GAAP reconciliation (dollars in thousands):
	Three Months Ended				Twelve Months Ended				Three Months Ended
	Dec 28,				Sep 28,				Dec 30,
	2024				2024				2023
Operating income, as reported		$	46,860			$	167,732			$	45,158
Restructuring and other charges		4,683				20,257				—
Accelerated stock-based compensation (1)	+	—			+	5,063			+	—
Adjusted operating income		51,543				193,052				45,158
	x	4							x	4
Adjusted annualized operating income		206,172				193,052				180,632
Adjusted effective tax rate	x	15		%		13		%		16		%
Tax impact		30,926				25,097				28,901
Adjusted operating income (tax-effected)		$	175,246			$	167,955			$	151,731
Average invested capital		$	1,268,309			$	1,418,698			$	1,479,647
ROIC		13.8		%		11.8		%		10.3		%
WACC		8.9		%		8.2		%		8.2		%
Economic Return		4.9		%		3.6		%		2.1		%

	December 28,		September 28,		June 29,		March 30,		December 30,		September 30,
	2024		2024		2024		2024		2023		2023
Equity	$	1,319,069	$	1,324,825	$	1,266,360	$	1,259,762	$	1,266,755	$	1,214,382
Plus:
Debt and finance lease obligations - current	121,977		157,325		258,175		245,964		251,119		240,205
Operating lease obligations - current (2)	14,875		14,697		7,990		8,281		9,172		8,363
Debt and finance lease obligations - long-term	88,728		89,993		90,715		192,025		192,118		190,853
Operating lease obligations - long-term	35,124		32,275		31,923		33,915		35,989		38,552
Less:
Cash and cash equivalents	(317,161)		(345,109)		(269,868)		(265,053)		(231,982)		(256,233)
	$	1,262,612	$	1,274,006	$	1,385,295	$	1,474,894	$	1,523,171	$	1,436,122

(1)	During the twelve months ended September 28, 2024, $5.1 million of accelerated stock-based compensation expense was recorded in selling and administrative expense in the accompanying Condensed Consolidated Statements of Operations as a result of executive retirement agreements.
(2)	Included in other accrued liabilities on the Condensed Consolidated Balance Sheets.