Hutchinson Technology (HTCH) 8-K Other Events

Exhibit 99.1

Segment Information

The table below presents our certain financial information for the periods indicated, both as reported in our Form 10-K for the fiscal year ended September 30, 2012, and on the single operating and reportable segment basis we adopted effective October 1, 2012 (unaudited, dollars in thousands):

	As reported in the annual report on form 10-K for the year ended September 30, 2012						Revised to conform to the current segment structure
	Disk Drive Components Division			BioMeasurement Division			Disk Drive Components Division	Bio-Measurement Division	Total
Results of Operations
For the year ended September 30, 2012
Net sales	$	247,117		$	1,472				$	248,589
Loss from operations		(35,169	)		(4,958	)				(40,127	)
Long-lived assets		202,186			282					202,468
Depreciation and amortization expense		41,351			108					41,459
For the year ended September 25, 2011
Net sales	$	275,738		$	2,352				$	278,090
Loss from operations		(42,669	)		(9,161	)				(51,830	)
Long-lived assets		222,746			388					223,134
Depreciation and amortization expense		47,960			126					48,086
For the year ended September 26, 2010
Net sales	$	344,775		$	2,414				$	347,189
Loss from operations		(24,027	)		(23,959	)				(47,986	)
Long-lived assets		257,739			494					258,233
Depreciation and amortization expense		50,619			1,230					51,849