Exhibit 99.1

Supplemental Business Information

Unaudited Results

For the three months ended September 30, 2007, December 31, 2007, March 31, 2008, June 30 2008, the twelve months ending June 30, 2008, and the three months ended September 30, 2008, revenue and gross margin unaudited by reportable segments are as follows (in thousands, except percentages):

	Three Months Ended September 30, 2007 (As restated)						Three Months Ended December 31, 2007 (As restated)
Business Segment	Revenues		Percentage of Total		Gross Margin		Revenues		Percentage of Total		Gross Margin
Power Management Devices	$	95,103	35.7	%	30.4	%	$	87,060	33.2	%	16.3	%
Energy-Saving Products	33,019		12.4		33.0		45,945		17.5		45.6
HiRel	36,509		13.7		51.1		41,599		15.8		56.3
Automotive Products	19,929		7.5		35.2		20,528		7.8		33.6
Enterprise Power	55,863		21.0		40.2		42,252		16.1		39.5
Ongoing Customer Segments Total	240,423		90.3		36.6		237,384		90.4		34.6
Intellectual Property	9,293		3.5		100.0		9,805		3.7		100.0
Ongoing Segments Total	249,716		93.8		38.9		247,189		94.1		37.2
Transition Services	16,478		6.2		0.8		15,547		5.9		0.7
Consolidated Total	$	266,194	100.0	%	36.6	%	$	262,736	100.0	%	35.0	%

	Three Months Ended March 31, 2008 (As restated)						Three Months Ended June 30, 2008 (As restated)
Business Segment	Revenues		Percentage of Total		Gross Margin		Revenues		Percentage of Total		Gross Margin
Power Management Devices	$	83,815	33.3	%	17.1	%	$	64,038	31.5	%	23.2	%
Energy-Saving Products	46,734		18.5		21.8		40,618		19.9		38.5
HiRel	39,421		15.6		46.8		35,326		17.3		46.7
Automotive Products	22,440		8.9		24.0		22,274		10.9		34.6
Enterprise Power	35,109		13.9		21.3		27,140		13.3		42.3
Ongoing Customer Segments Total	227,519		90.2		24.5		189,396		92.9		34.9
Intellectual Property	10,286		4.1		100.0		1,106		0.6		100.0
Ongoing Segments Total	237,805		94.3		27.8		190,502		93.5		35.3
Transition Services	14,419		5.7		2.9		13,174		6.5		(3.3	)
Consolidated Total	$	252,224	100.0	%	26.4	%	$	203,676	100.0	%	32.8	%

	Twelve Months Ended June 30, 2008 (As restated)
Business Segment	Revenues		Percentage of Total		Gross Margin
Power Management Devices	$	330,016	33.5	%	21.9	%
Energy-Saving Products	166,316		16.9		34.7
HiRel	152,855		15.5		50.4
Automotive Products	85,171		8.6		31.7
Enterprise Power	160,364		16.3		36.2
Ongoing Customer Segments Total	894,722		90.8		32.6
Intellectual Property	30,490		3.1		100.0
Ongoing Segments Total	925,212		93.9		34.9
Transition Services	59,618		6.1		0.4
Consolidated Total	$	984,830	100.0	%	32.8	%

	Three Months Ended September 30, 2008
Business Segment	Revenues		Percentage of Total		Gross Margin
Power Management Devices	$	73,778	30.2	%	21.4	%
Energy-Saving Products	46,136		18.9		42.9
HiRel	37,352		15.3		52.7
Automotive Products	17,593		7.2		33.4
Enterprise Power	37,279		15.2		42.6
Ongoing Customer Segments Total	212,138		86.8		36.3
Intellectual Property	19,967		8.2		100.0
Ongoing Segments Total	232,105		95.0		41.8
Transition Services	12,369		5.0		(4.7	)
Consolidated Total	$	244,474	100.0	%	39.4	%