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Form 8-K

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D. C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

August 5, 2008

Date of report (Date of earliest event reported)

ON Semiconductor Corporation

(Exact name of registrant as specified in its charter)

Delaware

000-30419

36-3840979

(State or other jurisdiction

of incorporation)

(Commission File Number)

(I.R.S. Employer

Identification Number)

ON Semiconductor Corporation

5005 E. McDowell Road

Phoenix, Arizona

85008

(Address of principal executive offices)

(Zip Code)

602-244-6600

(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

x	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 2.02.

Results of Operations and Financial Condition.

On August 5, 2008, ON Semiconductor Corporation (“Company”) announced in a news release its financial performance for the second quarter ended June 27, 2008 and other related material information (“Earnings Release”). A copy of the Company’s Earnings Release is attached hereto as Exhibit 99.1 and incorporated herein by reference.

On August 6, 2008, following the release of the Earnings Release, the Company will hold a live conference call at 8:00 a.m. Eastern time (ET) to discuss its financial performance for the quarter ended June 27, 2008 and other related material information. A copy of the script for this call is attached as Exhibit 99.2 and incorporated by reference. The call script includes certain non-GAAP financial measures. Reconciliations of these non-GAAP financial measures to the most directly comparable measures prepared in accordance with U.S. GAAP are set forth in the Company’s Earnings Release and posted separately on the Investor Relations page of the Company’s website at http://www.onsemi.com. The Company will provide a real-time audio broadcast of the teleconference on the Investor Relations page of its website at http://www.onsemi.com. The re-broadcast of the call will be available at this site approximately one hour following the live broadcast and will continue to be available for approximately 30 days following the conference call. Investors and interested parties can also access the conference call through a telephone call by dialing (888) 546-9664 (U.S./Canada) or (706) 679-4331 (International) and providing the conference ID number of 56464044. The Company will provide a dial-in replay approximately one hour following the live broadcast that will continue through approximately August 13, 2008. Listen to this replay by dialing (800) 642-1687 (U.S./Canada) or (706) 645-9291 (International) and providing the conference ID number of 56464044.

The information under this Item 2.02 of this report, including Exhibits 99.1 and 99.2, is being furnished under Item 2.02 and shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (“Exchange Act”), or otherwise subject to liability of that section nor shall such information be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in such filing.

Item 8.01.

Other Events.

As noted above on August 5, 2008 and August 6, 2008, respectively, the Company announced in a news release and on a conference call its financial performance for the second quarter ended June 27, 2008. Within the news release and during the call, the Company has made reference to its proposed acquisition of Catalyst Semiconductor, Inc. (“Catalyst”). See below for important information on this proposed acquisition, and Exhibit 99.1 and Exhibit 99.2 for a furnished copy of the Company’s news release and call script, respectively.

IMPORTANT ADDITIONAL INFORMATION

In connection with the proposed transaction, the Company plans to file with the SEC a Registration Statement on Form S-4 containing a Proxy Statement of Catalyst and a Prospectus of the Company, and each of the Company and Catalyst plan to file with the SEC other documents regarding the proposed transaction. The definitive Proxy Statement/Prospectus will be mailed to

stockholders of Catalyst. INVESTORS AND SECURITY HOLDERS ARE URGED TO READ THE PROXY STATEMENT/PROSPECTUS AND OTHER DOCUMENTS FILED WITH THE SEC CAREFULLY IN THEIR ENTIRETY WHEN THEY BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION ABOUT THE PROPOSED TRANSACTION.

Investors and security holders will be able to obtain free copies of the Registration Statement and the Proxy Statement/Prospectus (when available) and other documents filed with the SEC by the Company and Catalyst through the web site maintained by the SEC at www.sec.gov. In addition, investors and security holders will be able to obtain free copies of the Registration Statement and the Proxy Statement/Prospectus (when available) and other documents filed with the SEC from the Company by directing a request to ON Semiconductor Corporation, 5005 East McDowell Road, Phoenix, AZ, 85008, Attention: Investor Relations (telephone: (602) 244-3437) or going to the Company’s corporate website at www.onsemi.com, or from Catalyst by directing a request to Catalyst Semiconductor, Inc., 2975 Stender Way, Santa Clara, CA 95054, Attention: Investor Relations (telephone: (408) 542-1000) or going to Catalyst’s corporate website at www.catsemi.com.

The Company and Catalyst and their respective directors and executive officers may be deemed to be participants in the solicitation of proxies in respect of the proposed transaction. Information regarding the Company’s directors and executive officers is contained in the Company’s Annual Report on Form 10-K filed with the SEC on February 12, 2008, the Company’s annual proxy statement filed with the SEC on April 4, 2008, and a Current Report on Form 8-K filed by the Company with the SEC on March 17, 2008. Information regarding Catalyst’s directors and executive officers is contained in Catalyst’s annual proxy statement filed with the SEC on August 24, 2007. Additional information regarding the interests of such potential participants will be included in the Proxy Statement/Prospectus and the other relevant documents filed with the SEC (when available).

Item 9.01.

Financial Statements and Exhibits.

(a)

Financial Statements of Businesses Acquired

Not applicable.

(b)

Pro Forma Financial Information

Not applicable.

(c)

Shell Company Transactions

Not applicable.

(d)

Exhibits

The below exhibits are furnished as part of this report.


Exhibit No.		Description
99.1		News release for ON Semiconductor Corporation dated August 5, 2008, announcing financial performance for the second quarter ended June 27, 2008

99.2		Conference call script for August 6, 2008 regarding ON Semiconductor Corporation’s financial performance for the second quarter ended June 27, 2008

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.


		ON SEMICONDUCTOR CORPORATION
		(Registrant)

Date: August 5, 2008	By:	/s/ DONALD A. COLVIN
		Donald A. Colvin
		Executive Vice President and
		Chief Financial Officer

EXHIBIT INDEX


Exhibit No.		Description *
99.1		News release for ON Semiconductor Corporation dated August 5, 2008, announcing financial performance for the second quarter ended June 27, 2008

99.2		Conference call script for August 6, 2008 regarding ON Semiconductor Corporation’s financial performance for the second quarter ended June 27, 2008

*	These exhibits are furnished as part of this report.

News release for ON Semiconductor Corporation dated August 5, 2008

Exhibit 99.1

LOGO


Anne Spitza		Ken Rizvi
Corporate Communications		Corporate Development, Treasury & Investor Relations
ON Semiconductor		ON Semiconductor
(602) 244-6398		(602) 244-3437
anne.spitza@onsemi.com		ken.rizvi@onsemi.com

ON Semiconductor Reports Second Quarter 2008 Results

Record Quarterly Revenue of $562.7 Million

For the second quarter of 2008, total corporate highlights include:

•

Record quarterly revenues of $562.7 million

•

Record adjusted EBITDA of $133.7 million

•

GAAP gross margin of 34.1 percent

•

Non-GAAP gross margin of 41.4 percent

•

GAAP net income per fully diluted share of $0.11

•

Non-GAAP net income per fully diluted share of $0.23

•

Announced definitive agreement to acquire Catalyst Semiconductor, Inc. in an all-stock transaction

PHOENIX, Ariz. – Aug. 5, 2008 – ON Semiconductor Corporation (NASDAQ: ONNN) today announced that total revenues in the second quarter of 2008 were a record $562.7 million, an increase of approximately thirty three percent from the first quarter of 2008. During the second quarter of 2008, the company reported GAAP net income of $44.6 million, or $0.11 per share on a fully diluted basis. Second quarter 2008 GAAP net income included a net charge of $50.5 million, or $0.12 per share on a fully diluted basis, from special items. The special item details can be found in the attached schedules. During the first quarter of 2008, the company reported GAAP net income of $20.8 million, or $0.07 per share on a fully diluted basis.

Second quarter 2008 non-GAAP net income was $95.1 million, or $0.23 per share on a fully diluted basis. First quarter 2008 non-GAAP net income was $65.4 million, or $0.21 per share on a fully diluted basis. A reconciliation of these non-GAAP financial measures to the company’s most directly comparable measures prepared in accordance with U.S. GAAP is set forth in an attached schedule and on our website at www.onsemi.com.

On a mix-adjusted basis, average selling prices in the second quarter of 2008 were down approximately two percent from the first quarter of 2008. The company’s gross margin in the second quarter was 34.1 percent. Non-GAAP gross margin in the second quarter was 41.4 percent. GAAP gross margin in the second quarter included a net charge of approximately $41.1 million, or 730 basis points from special items. The special item details can be found in the attached schedules. A reconciliation of non-GAAP gross margin, which is a non-GAAP financial measure, to the company’s gross margin prepared in accordance with U.S. GAAP is set forth in an attached schedule.

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ON Semiconductor Reports Second Quarter 2008 Results

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Adjusted EBITDA for the second quarter of 2008 was a record $133.7 million. Adjusted EBITDA for the first quarter of 2008 was $97.2 million. A reconciliation of this non-GAAP financial measure to the company’s net income and net cash provided by operating activities prepared in accordance with U.S. GAAP is set forth in an attached schedule.

“I am pleased to announce that the company reported both record revenues and adjusted EBITDA in the second quarter of 2008,” said Keith Jackson, ON Semiconductor president and CEO. “The integration of both AMIS Holdings, Inc. and the CPU Voltage and Thermal Products Group from Analog Devices are moving ahead positively and continue to position ON Semiconductor as a leader in the analog and power management sector. The definitive agreement to acquire Catalyst Semiconductor, which we announced on July 17, is expected to close in the fourth quarter of 2008. All of our recently closed and announced acquisitions continue to strengthen our relationships and industry position with market making customers. By leveraging ON Semiconductor’s world-class operational capabilities and supply chain, we believe these acquisitions will help enable ON Semiconductor to continue delivering improved value to our shareholders, customers and employees.”

THIRD QUARTER 2008 OUTLOOK

“Based upon product booking trends, backlog levels, manufacturing services revenues and estimated turns levels, we anticipate that total revenues will be approximately $570 to $585 million in the third quarter of 2008,” Jackson said. “Backlog levels at the beginning of the third quarter of 2008 were up from backlog levels at the beginning of the second quarter of 2008 and represent over 90 percent of our anticipated third quarter 2008 revenues. We expect that average selling prices for the third quarter of 2008 will be down approximately two percent sequentially. The following table outlines our third quarter 2008 GAAP and non-GAAP outlook.”

ON SEMICONDUCTOR Q3 2008 BUSINESS OUTLOOK


	GAAP	Special Items *	Non-GAAP***
Revenue	$570 to $585 million		$570 to $585 million

Gross Margin	37.5% to 38.5%	$23 million	41.5% to 42.5%

Operating Expenses	$150 to $156 million	$20 million	$130 to $136 million

Other Expenses	$10 million		$10 million

Tax	$3 to $4 million	$1 to $2 million	$2 million

Fully Diluted Share Count **	410 million		410 million

ON Semiconductor Reports Second Quarter 2008 Results

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*	Special Items can include: stock based compensation expense; restructuring, asset impairments and other, net; expensing of appraised inventory fair market value (FMV) step up; amortization of intangibles; and income tax adjustments to approximate cash taxes.

Fully Diluted Share Count can vary for among other things, the actual exercise of options or restricted stock, the incremental dilutive shares from all of the company’s convertible senior subordinated notes, and the repurchase or the issuance of stock or the sale of treasury shares. Please refer to the table on our website for potential changes to the Fully Diluted Share Count.

***

Regulation G and other provisions of the securities laws regulate the use of financial measures that are not prepared in accordance with generally accepted accounting principles. We believe these non-GAAP measures provide important supplemental information to investors. We use these measures, together with GAAP measures, for internal managerial purposes and as a means to evaluate period-to-period comparisons. However, we do not, and you should not, rely on non-GAAP financial measures alone as measures of our performance. We believe that non-GAAP financial measures reflect an additional way of viewing aspects of our operations that – when taken together with GAAP results and the reconciliations to corresponding GAAP financial measures that we also provide in our news releases – provide a more complete understanding of factors and trends affecting our business. Because non-GAAP financial measures are not standardized, it may not be possible to compare these financial measures with other companies’ non-GAAP financial measures, even if they have similar names. As a result of requests from our investor and research community, we intend to include this non-GAAP table and measures in our earnings releases covering relevant periods.

TELECONFERENCE

ON Semiconductor will hold a conference call for the financial community at 8:00 a.m. Eastern time (ET) tomorrow to discuss the second quarter 2008 results and other related material information. The company will provide a real-time audio broadcast of the teleconference on the Investor Relations page of its website at http://www.onsemi.com. The webcast will be available at this site approximately one hour following the live broadcast and will continue to be available for approximately 30 days following the conference call. Investors and interested parties can also access the conference call by dialing (888) 546-9664 (U.S./Canada) or (706) 679-4331 (International) and providing the conference identification number of 56464044. ON Semiconductor will provide a dial-in replay approximately one hour following the live broadcast that will continue through approximately Aug. 13, 2008. The dial-in replay number is (800) 642-1687 (U.S./Canada) or (706) 645-9292 (International) and the conference identification number is 56464044. The script for tomorrow’s call will be provided on our website and furnished via a Form 8-K filing.

About ON Semiconductor

With its global logistics network and strong product portfolio, ON Semiconductor (NASDAQ: ONNN) is a preferred supplier of efficient power solutions to customers in the power supply, automotive, communication, computer, consumer, medical, industrial, mobile phone, and military/aerospace markets. The company’s broad portfolio includes power, analog, DSP, mixed-signal, advance logic, clock management and standard component devices. Global corporate headquarters are located in Phoenix, Arizona. The company operates a network of manufacturing facilities, sales offices and design centers in key markets throughout North America, Europe, and the Asia Pacific regions. For more information, visit http://www.onsemi.com.

# # #

ON Semiconductor Reports Second Quarter 2008 Results

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ON Semiconductor and the ON Semiconductor logo are registered trademarks of Semiconductor Components Industries, LLC. All other brand and product names appearing in this document are registered trademarks or trademarks of their respective holders. Although the company references its website in this news release, information on the website is not to be incorporated herein.

This news release includes “forward-looking statements” as that term is defined in Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. All statements other than statements of historical fact are statements that could be deemed forward-looking statements and are often characterized by the use of words such as “believes,” “expects,” “estimates,” “projects,” “may,” “will,” “intends,” “plans,” or “anticipates,” or by discussions of strategy, plans or intentions. In this news release, forward-looking information relates mainly to the second quarter of 2008 and its bookings trends, backlog levels, estimated turns levels, anticipated revenues, gross margins and average selling prices, stock based compensation expense and similar matters. These forward-looking statements also include statements related to the benefits of the proposed transaction between ON Semiconductor Corporation (“ON”) and Catalyst Semiconductor, Inc. (“Catalyst Semiconductor”) and the future financial performance of ON. All forward-looking statements in this news release are based on management’s current expectations and estimates, and involve risks, uncertainties and other factors that could cause results to differ materially from those expressed in forward-looking statements. Among these factors are revenues and operating performance; changes in overall economic conditions; the cyclical nature of the semiconductor industry; changes in demand for our products; changes in inventories at our customers and distributors; technological and product development risks; availability of raw materials; competitors’ actions; pricing and gross margin pressures; loss of key customers; order cancellations or reduced bookings; changes in manufacturing yields; control of costs and expenses; significant litigation; risks associated with acquisitions and dispositions and the integration efforts related thereto; risks associated with our substantial leverage and restrictive covenants in our debt agreements; risks associated with our international operations; the threat or occurrence of international armed conflict and terrorist activities both in the United States and internationally; risks and costs associated with the regulation of corporate governance and disclosure standards (including pursuant to Section 404 of the Sarbanes-Oxley Act of 2002); risks involving environmental or other governmental regulation; difficulties encountered in integrating merged businesses; the risk that ON’s acquisition of Catalyst Semiconductor does not close, including the risk that the requisite stockholder and regulatory approvals may not be obtained; the variable demand and the aggressive pricing environment for semiconductor products; dependence on the ability to successfully manufacture current products in increasing volumes on a cost-effective basis and with acceptable quality; and the adverse impact of competitive product announcements. Information concerning additional factors that could cause results to differ materially from those projected in the forward-looking statements is contained in ON’s Annual Report on Form 10-K as filed with the Securities and Exchange Commission (the “SEC”) on February 12, 2008, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K and other of ON’s SEC filings, and Catalyst Semiconductor’s Annual Report on Form 10-K as filed with the SEC on July 3, 2008, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K and other of Catalyst Semiconductor SEC filings. Readers are cautioned not to place undue reliance on forward-looking statements. We assume no obligation to update such information.

This communication is being made in respect of the proposed transaction involving ON and Catalyst Semiconductor. In connection with the proposed transaction, ON plans to file with the SEC a Registration Statement on Form S-4 containing a Proxy Statement of Catalyst Semiconductor and a Prospectus of ON, and each of ON and Catalyst Semiconductor plan to file with the SEC other documents regarding the proposed transaction. The definitive Proxy Statement/Prospectus will be mailed to stockholders of Catalyst Semiconductor. INVESTORS AND SECURITY HOLDERS ARE URGED TO READ THE PROXY STATEMENT/PROSPECTUS AND OTHER DOCUMENTS FILED WITH THE SEC CAREFULLY IN THEIR ENTIRETY WHEN THEY BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION ABOUT THE PROPOSED TRANSACTION.

ON Semiconductor Reports Second Quarter 2008 Results

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site maintained by the SEC at www.sec.gov. In addition, investors and security holders will be able to obtain free copies of the Registration Statement and the Proxy Statement/Prospectus (when available) and other documents filed with the SEC from ON by directing a request to ON Semiconductor Corporation, 5005 East McDowell Road, Phoenix, AZ, 85008, Attention: Investor Relations (telephone: (602) 244-3437) or going to ON’s corporate website at www.onsemi.com, or from Catalyst Semiconductor by directing a request to Catalyst Semiconductor, Inc., 2975 Stender Way, Santa Clara, CA 95054, Attention: Investor Relations (telephone: (408) 542-1000) or going to Catalyst Semiconductor’s corporate website at www.catsemi.com.

ON and Catalyst Semiconductor and their respective directors and executive officers may be deemed to be participants in the solicitation of proxies in respect of the proposed transaction. Information regarding ON’s directors and executive officers is contained in ON’s Annual Report on Form 10-K filed with the SEC on February 12, 2008, ON’s annual proxy statement filed with the SEC on April 4, 2008, and a Current Report on Form 8-K filed by ON with the SEC on March 17, 2008. Information regarding Catalyst Semiconductor’s directors and executive officers is contained in Catalyst Semiconductor’s annual proxy statement filed with the SEC on August 24, 2007. Additional information regarding the interests of such potential participants will be included in the Proxy Statement/Prospectus and the other relevant documents filed with the SEC (when available).

ON Semiconductor Reports Second Quarter 2008 Results

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ON SEMICONDUCTOR CORPORATION AND SUBSIDIARIES

UNAUDITED CONSOLIDATED STATEMENT OF OPERATIONS

(in millions, except per share data)


	Quarter Ended									Six Months
	June 27, 2008			March 30, 2008			June 29, 2007			June 27, 2008			June 29, 2007
Net revenues	$	562.7		$	421.9		$	381.2		$	984.6		$	755.4
Cost of revenues		371.1			275.3			235.2			646.4			472.8

Gross profit		191.6			146.6			146.0			338.2			282.6
Gross profit percentage		34.1	%		34.7	%		38.3	%		34.3	%		37.4	%

Operating expenses:
Research and development		67.5			40.3			32.4			107.8			63.2
Selling and marketing		37.9			25.8			23.3			63.7			46.2
General and administrative		31.9			23.8			18.8			55.7			39.0
In-process Research and Development		—			17.7			—			17.7			—
Amortization of acquisition related intangible assets		6.7			2.4			—			9.1			—
Restructuring, asset impairments and other, net		14.2			5.8			—			20.0			—

Total operating expenses		158.2			115.8			74.5			274.0			148.4

Operating income		33.4			30.8			71.5			64.2			134.2

Other income (expenses), net:
Interest expense		(9.6	)		(9.3	)		(9.4	)		(18.9	)		(19.1	)
Interest income		1.8			2.0			2.9			3.8			5.7
Other		1.2			(1.9	)		—			(0.7	)		(0.5	)
Loss on debt prepayment		—			—			—			—			(0.1	)

Other income (expenses), net		(6.6	)		(9.2	)		(6.5	)		(15.8	)		(14.0	)

Income before income taxes and minority interests		26.8			21.6			65.0			48.4			120.2
Income tax benefit (provision)		17.1			(1.1	)		(1.4	)		16.0			(2.0	)
Minority interests		0.7			0.3			(0.3	)		1.0			(0.9	)

Net income	$	44.6		$	20.8		$	63.3		$	65.4		$	117.3

Income per common share:
Basic:	$	0.11		$	0.07		$	0.22		$	0.19		$	0.40

Diluted:	$	0.11		$	0.07		$	0.21		$	0.18		$	0.38

Weighted average common shares outstanding:
Basic		397.2			306.8			290.9			352.8			290.2

Diluted:		405.8			309.3			306.5			360.1			306.1

ON Semiconductor Reports Second Quarter 2008 Results

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ON SEMICONDUCTOR CORPORATION AND SUBSIDIARIES

UNAUDITED CONSOLIDATED BALANCE SHEET

(in millions)


	June 27, 2008			March 28, 2008			December 31, 2007
Assets
Cash and cash equivalents	$	321.2		$	307.9		$	274.6
Receivables, net		258.5			245.7			175.2
Inventories, net		327.6			362.4			220.5
Other current assets		70.7			89.7			68.3
Deferred income taxes		0.3			—			6.7

Total current assets		978.3			1,005.7			745.3
Property, plant and equipment, net		744.4			734.2			614.9
Goodwill		725.8			730.1			172.4
Intangible assets, net		334.5			343.6			57.5
Other assets		55.1			58.7			47.5

Total assets	$	2,838.1		$	2,872.3		$	1,637.6

Liabilities, Minority Interests and Stockholders’ Equity
Accounts payable	$	206.2		$	238.6		$	163.5
Accrued expenses		172.4			208.7			101.3
Income taxes payable		2.4			3.1			3.5
Accrued interest		2.9			7.9			1.4
Deferred income on sales to distributors		123.8			120.8			120.4
Deferred income taxes		—			1.0			—
Current portion of long-term debt		80.2			75.5			30.8

Total current liabilities		587.9			655.6			420.9
Long-term debt		1,151.9			1,149.6			1,128.6
Other long-term liabilities		47.4			63.8			46.8
Deferred income taxes		0.7			8.0			6.9

Total liabilities		1,787.9			1,877.0			1,603.2

Minority interests in consolidated subsidiaries		16.0			16.7			18.5

Common stock		4.4			4.4			3.4
Additional paid-in capital		2,373.1			2,354.5			1,419.6
Accumulated other comprehensive income (loss)		(1.4	)		6.0			(0.5	)
Accumulated deficit		(986.0	)		(1,030.6	)		(1,051.4	)
Treasury stock		(355.9	)		(355.7	)		(355.2	)

Total stockholders’ equity		1,034.2			978.6			15.9

Total liabilities, minority interests and stockholders’ equity	$	2,838.1		$	2,872.3		$	1,637.6

ON Semiconductor Reports Second Quarter 2008 Results

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ON SEMICONDUCTOR CORPORATION AND SUBSIDIARIES

UNAUDITED RECONCILIATION OF NET INCOME TO ADJUSTED EBITDA* AND

CASH PROVIDED BY OPERATING ACTIVITIES

(in millions)


	Quarter Ended									Six Months Ended
	June 27, 2008			March 28, 2008			June 29, 2007			June 27, 2008			June 29, 2007
Net income	$	44.6		$	20.8		$	63.3		$	65.4		$	117.3
Plus:														—
Depreciation and amortization		37.7			27.9			22.7			65.6			44.8
Interest expense		9.6			9.3			9.4			18.9			19.1
Interest income		(1.8	)		(2.0	)		(2.9	)		(3.8	)		(5.7	)
Income tax (benefit) provision		(17.1	)		1.1			1.4			(16.0	)		2.0
Stock compensation expense		8.3			6.7			3.5			15.0			6.8
Restructuring, asset impairments and other, net		14.2			5.8			—			20.0			—
In-process research and development		—			17.7			—			17.7			—
Expensing of appraised inventory fair market value step up		38.2			9.9			—			48.1			—

Adjusted EBITDA*		133.7			97.2			97.4			230.9			184.3
Increase (decrease):
Interest expense		(9.6	)		(9.3	)		(9.4	)		(18.9	)		(19.1	)
Interest income		1.8			2.0			2.9			3.8			5.7
Income tax benefit (provision)		17.1			(1.1	)		(1.4	)		16.0			(2.0	)
Restructuring, asset impairments, and other, net		(14.2	)		(5.8	)		—			(20.0	)		—
Expensing of appraised inventory fair market value step up		(38.2	)		(9.9	)		—			(48.1	)		—
Gain on sale or disposal of fixed assets		(1.7	)		(2.3	)		(3.8	)		(4.0	)		(6.3	)
Proceeds, net of gain, from termination of interest rate swaps		—			—			(0.6	)		—			0.8
Amortization of debt issuance costs and debt discount		1.0			1.0			1.0			2.0			2.1
Provision for excess inventories		3.2			2.5			3.7			5.7			5.3
Non-cash impairment		9.8			2.2			—			12.0			0.1
Deferred income taxes		(6.5	)		(0.6	)		1.2			(7.1	)		0.8
Other		(0.4	)		(0.3	)		—			(0.7	)		0.1
Changes in operating assets and liabilities		(54.1	)		61.3			(35.6	)		7.2			(53.3	)

Net cash provided by operating activities	$	41.9		$	136.9		$	55.4		$	178.8		$	118.5

Adjusted EBITDA represents net income before interest expense, interest income, provision for income taxes, depreciation and amortization expense and special items. We use the adjusted EBITDA measure for internal managerial evaluation purposes and the related payment of corporate cash bonuses. Not all of these items are necessarily included in the calculation of net income each quarter. Adjusted EBITDA is a non-GAAP financial measure. Regulation G and other provisions of the securities laws regulate the use of financial measures that are not prepared in accordance with generally accepted accounting principles. We believe this measure provides important supplemental information to investors. We use this measure, together with GAAP measures, for internal managerial purposes and as a means to evaluate period-to-period comparisons. However, we do not, and you should not, rely on non-GAAP financial measures alone as measures of our performance.

We believe that non-GAAP financial measures reflect an additional way of viewing aspects of our operations that – when taken together with GAAP results and the reconciliations to corresponding GAAP financial measures that we also provide in our press releases – provide a more complete understanding of factors and trends affecting our business. Because non-GAAP financial measures are not standardized, it may not be possible to compare these financial measures with other companies’ non-GAAP financial measures, even if they have similar names.

ON Semiconductor Reports Second Quarter 2008 Results

9 - 9 - 9 - 9

ON SEMICONDUCTOR CORPORATION AND SUBSIDIARIES

ANALYSIS OF GAAP VERSUS NON-GAAP DISCLOSURES

QUARTER ENDED JUNE 27, 2008

(in millions, except per share data)


				Special Items
	ON Semiconductor Corporation Consolidated GAAP			Stock Compensation Expense			Restructuring, Asset Impairments and Other, Net			Expensing of Appraised Inventory FMV step up			Amortization of Intangibles			Income Tax Adjustment to approximate cash taxes			Non-GAAP*
Net revenues	$	562.7		$	—		$	—		$	—		$	—		$	—		$	562.7
Cost of revenues		371.1			(2.3	)		—			(38.2	)		(0.6	)		—			330.0

Gross profit		191.6			2.3			—			38.2			0.6			—			232.7
Gross profit percentage		34.1	%																	41.4	%
Operating expenses:
Research and development		67.5			(1.3	)		—			—			—			—			66.2
Selling and marketing		37.9			(1.3	)		—			—			—			—			36.6
General and administrative		31.9			(3.4	)		—			—			—			—			28.5
In-process Research and Development		—			—			—			—			—			—			—
Amortization of acquisition related intangible assets		6.7			—			—			—			(6.7	)		—			—
Restructuring, asset impairments and other, net		14.2			—			(14.2	)		—			—			—			—

Total operating expenses		158.2			(6.0	)		(14.2	)		—			(6.7	)		—			131.3

Operating income		33.4			8.3			14.2			38.2			7.3			—			101.4

Other income (expenses), net:
Interest expense		(9.6	)		—			—			—			—			—			(9.6	)
Interest income		1.8			—			—			—			—			—			1.8
Other		1.2			—			—			—			—			—			1.2
Loss on debt prepayment		—			—			—			—			—			—			—

Other income (expenses), net		(6.6	)		—			—			—			—			—			(6.6	)

Income before income taxes and minority interests		26.8			8.3			14.2			38.2			7.3			—			94.8
Income tax benefit (provision)		17.1			—			—			—			—			(17.5	)		(0.4	)
Minority interests		0.7			—			—			—			—			—			0.7

Net income	$	44.6		$	8.3		$	14.2		$	38.2		$	7.3		$	(17.5	)	$	95.1

Income per common share:
Basic:	$	0.11																	$	0.24

Diluted:	$	0.11																	$	0.23

Weighted average common shares outstanding:
Basic		397.2																		397.2

Diluted:		405.8																		405.8

“Non-GAAP net income” and the related “non-GAAP net income per share” are non-GAAP financial measures. Regulation G and other provisions of the securities laws regulate the use of financial measures that are not prepared in accordance with generally accepted accounting principles. We believe these measures provide important supplemental information to investors. We use these measures, together with GAAP measures, for internal managerial purposes and as a means to evaluate period-to-period comparisons. However, we do not, and you should not, rely on non-GAAP financial measures alone as measures of our performance. We believe that non-GAAP financial measures reflect an additional way of viewing aspects of our operations that – when taken together with GAAP results and the reconciliations to corresponding GAAP financial measures that we also provide in our press releases – provide a more complete understanding of factors and trends affecting our business.

Because non-GAAP financial measures are not standardized, it may not be possible to compare these financial measures with other companies’ non-GAAP financial measures, even if they have similar names. Non-GAAP net income, which we reconcile to net income, excludes: amortization of debt issuance costs, non-cash stock compensation expense, costs associated with early retirement of debt, purchased in-process research and development, purchase accounting charges, amortization of acquisition-related intangibles, and restructuring, asset impairments and other, net charges. Not all of these items are necessarily included in the calculation of net income each quarter. Non-GAAP net income per share is derived from non-GAAP net income, using the same measures of outstanding shares as are used to calculate net income per share in accordance with GAAP.

ON Semiconductor Reports Second Quarter 2008 Results

10 - 10 - 10 - 10

ON SEMICONDUCTOR CORPORATION AND SUBSIDIARIES

ANALYSIS OF GAAP VERSUS NON-GAAP DISCLOSURES

QUARTER ENDED MARCH 28, 2008

(in millions, except per share data)


										Special Items
	ON Semiconductor Corporation Standalone			AMIS Holdings, Inc. Standalone			ON Semiconductor Corporation Consolidated GAAP			Stock Compensation Expense			Restructuring, Asset Impairments and Other, Net			In-Process Research and Development			Expensing of Appraised Inventory FMV step up			Amortization of Intangibles			Income Tax Adjustment to approximate cash taxes		Non-GAAP*
Net revenues	$	396.4		$	25.5		$	421.9		$	—		$	—		$	—		$	—		$	—		$	—	$	421.9
Cost of revenues		255.0			20.3			275.3			(1.4	)		—			—			(9.9	)		(0.6	)		—		263.4

Gross profit		141.4			5.2			146.6			1.4			—			—			9.9			0.6			—		158.5
Gross profit percentage		35.7	%		20.4	%		34.7	%																			37.6	%
Operating expenses:
Research and development		37.3			3.0			40.3			(0.9	)		—			—			—			—			—		39.4
Selling and marketing		23.9			1.9			25.8			(0.9	)		—			—			—			—			—		24.9
General and administrative		22.9			0.9			23.8			(3.5	)		—			—			—			—			—		20.3
In-process Research and Development		—			17.7			17.7			—			—			(17.7	)		—			—			—		—
Amortization of acquisition related intangible assets		1.7			0.7			2.4			—			—			—			—			(2.4	)		—		—
Restructuring, asset impairments and other, net		4.3			1.5			5.8			—			(5.8	)		—			—			—			—		—

Total operating expenses		90.1			25.7			115.8			(5.3	)		(5.8	)		(17.7	)		—			(2.4	)		—		84.6

Operating income		51.3			(20.5	)		30.8			6.7			5.8			17.7			9.9			3.0			—		73.9

Other income (expenses), net:
Interest expense		(9.4	)		0.1			(9.3	)		—			—			—			—			—			—		(9.3	)
Interest income		2.1			(0.1	)		2.0			—			—			—			—			—			—		2.0
Other		(1.7	)		(0.2	)		(1.9	)		—			—			—			—			—			—		(1.9	)
Loss on debt prepayment		—			—			—			—			—			—			—			—			—		—

Other income (expenses), net		(9.0	)		(0.2	)		(9.2	)		—			—			—			—			—			—		(9.2	)

Income before income taxes and minority interests		42.3			(20.7	)		21.6			6.7			5.8			17.7			9.9			3.0			—		64.7
Income tax benefit (provision)		(2.5	)		1.4			(1.1	)		—			—			—			—			—			1.5		0.4
Minority interests		0.3			—			0.3			—			—			—			—			—			—		0.3

Net income	$	40.1		$	(19.3	)	$	20.8		$	6.7		$	5.8		$	17.7		$	9.9		$	3.0		$	1.5	$	65.4

Income per common share:
Basic:	$	0.14					$	0.07																			$	0.21

Diluted:	$	0.14					$	0.07																			$	0.21

Weighted average common shares outstanding:
Basic		292.7						306.8																				306.8

Diluted:		295.2						309.3																				309.3

Conference call script for August 6, 2008

Exhibit 99.2

ON SEMICONDUCTOR CORPORATION

CALL SCRIPT FOR

Q2-08 QUARTERLY CONFERENCE CALL

KEN RIZVI:

Thank you .

Good morning and thank you for joining ON Semiconductor’s second quarter 2008 conference call. I am joined today by Keith Jackson, our CEO, and Donald Colvin, our CFO. This call is being webcast on the investor relations section of our website at www.onsemi.com and will be available for approximately 30 days following this conference call, along with our earnings release for the second quarter of 2008. The script for today’s call is posted on our website and will be furnished via a Form 8-K filing.

Our earnings release and this presentation include certain non-GAAP financial measures. Reconciliations of these non-GAAP financial measures to the most directly comparable measures under GAAP are in our earnings release and posted separately on our

Wednesday, August 6, 2008

website in the investor relations section. In the upcoming quarter, we will present at the Morgan Stanley Conference on August 26^th and the CitiGroup Technology Conference on September 3^rd.

(SAFE HARBOR)

During the course of this conference call, we will make projections or other forward-looking statements regarding future events or the future financial performance of the company. The words “believe”, “estimate”, “anticipate”, “intend”, “expect”, “plan”, or similar expressions are intended to identify forward-looking statements. We wish to caution that such statements are subject to risks and uncertainties that could cause actual events or results to differ materially. Important factors relating to our business, including factors that could cause actual results to differ from our forward-looking statements, are described in our Form 10-K, Form 10-Q’s and other filings with the SEC. The company assumes no obligation to update forward-looking statements to reflect actual results, changed assumptions or other factors.

Wednesday, August 6, 2008

Now, let’s hear from Donald Colvin, our CFO, who will provide an overview of the second quarter 2008 results.

DONALD…

DONALD COLVIN:

Thanks Ken, and thanks to everyone who is joining us today.

ON Semiconductor Corporation today announced that total revenues in the second quarter of 2008 were a record $562.7 million, an increase of approximately thirty three percent from the first quarter of 2008. During the second quarter of 2008, the company reported GAAP net income of $44.6 million or $0.11 per share on a fully diluted basis. Second quarter 2008 GAAP net income included net charges of $50.5 million, or $0.12 per share on a fully diluted basis, from special items.

Second quarter 2008 non-GAAP net income was $95.1 million or $0.23 per share on a fully diluted basis.

On a mix-adjusted basis, average selling prices in the second quarter of 2008 were down approximately two percent from the first quarter of 2008.

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The company’s gross margin in the second quarter including special items was 34.1 percent. Non-GAAP gross margin in the second quarter of 2008 was 41.4 percent. While we beat our revenue guidance for the second quarter, our revenues were negatively impacted by approximately $2 million and cost of sales was reduced by approximately $5 million for a net gross margin benefit of approximately $3 million from the alignment of AMIS into ON Semiconductor’s accounting policies. The cost reclassification was due to ASIC development costs which have been classified into operating expenses following ON Semiconductor’s accounting policies. As a result, our second quarter 2008 operating expenses were slightly higher than our May guidance by approximately $5 million.

Adjusted EBITDA for the second quarter of 2008 was a record $133.7 million.

We exited the second quarter with cash and equivalents of approximately $321 million. At the end of the second quarter, total days sales outstanding were approximately 42 days. ON Semiconductor total inventory was approximately $328 million or approximately 81 days. Included in our overall inventory is approximately $27 million of inventory associated with the write-up to fair value from our recent AMIS acquisition.

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Distribution inventories were down to approximately 10 weeks at the end of the second quarter.

Cash capital expenditures during the second quarter were approximately $29 million.

Now I would like to turn it over to Keith Jackson for additional comments on the business environment

KEITH…

KEITH JACKSON:

Thanks Don. Now for an overview of our end-markets.

END MARKETS

During the second quarter of 2008, our end market splits were as follows: Computing represented approximately 23 percent of second quarter 2008 sales. Automotive represented approximately 21 percent of second quarter sales. Consumer Electronics represented approximately 15 percent of sales. Industrial, Military and Aerospace represented approximately 18 percent of sales. Medical

Wednesday, August 6, 2008

represented approximately 4 percent of sales. Communications which includes wireless and networking represented approximately 19 percent of sales. Overall sequential sales growth and end-market splits were impacted by our recent acquisition of AMIS. We did, however, see sequential strength in ON Semiconductor’s historical Automotive, Computing, Wireless and Industrial end-markets. The strong sequential growth in the Computing and Wireless end-markets was driven by continued penetration of our Vcore controllers with key computing OEMs and ODMs, and increased penetration of our protection devices and audio amps with four of the industry’s five major wireless customers.

TOP OEM CUSTOMERS

During the second quarter on a direct billings basis, no ON Semiconductor product OEM customer represented more than 6 percent of sales. Our top 5 stand alone product OEM customers were: Continental Automotive Systems, Delta, Hella, Motorola and Sony-Ericsson.

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GEOGRAPHIC SEGMENTS

On a geographic basis, excluding ON Semiconductor’s historical manufacturing services revenue, our contribution from sales in Asia, represented approximately 57 percent of sales. Our sales in the Americas represented approximately 22 percent of sales and Europe represented approximately 21 percent of sales during the quarter.

CHANNEL BREAKOUT

Looking across the channels, excluding ON Semiconductor’s historical manufacturing services revenues, sales to the distribution channel were approximately 37 percent of second quarter sales. Direct sales to OEMs represented approximately 52 percent of sales and the EMS channel represented approximately 11 percent of sales.

REVENUE BREAK-OUT

During the second quarter, ON Semiconductor revenues broken out by our divisions were as follows. The Custom and Foundry Product Group represented approximately 30 percent of second quarter sales. The Standard Products Group represented approximately 23 percent of sales. The Automotive and Power Regulation Group represented approximately 20 percent of sales. The Computing

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Products Group represented approximately 19 percent of sales and the Digital and Consumer Products Group represented approximately 8 percent of sales. We will publish the quarterly revenue, gross margin and operating margin break-out of these divisions in our Form 10-Q filing for this quarterly period.

COMPANY/PRODUCT HIGHLIGHTS

Now, I would like to provide you with some details of other progress we’ve made.

In the second quarter of 2008, we achieved record quarterly revenues and adjusted EBITDA. The integration of AMIS and the CPU Voltage and Thermal Products Group from Analog Devices continues to move ahead positively. In addition to our recently closed acquisitions, we announced the signing of a definitive merger agreement to acquire Catalyst Semiconductor in an all-stock transaction. By leveraging ON Semiconductor’s world-class operational capabilities and supply chain, we believe these acquisitions will help enable ON Semiconductor to continue delivering increased value to our shareholders, customers and employees.

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From a Computing end-market perspective, our acquisition of Analog Devices’ CPU Voltage and PC Thermal Monitoring business significantly expanded our SAM opportunities and we are beginning to see the incremental revenue leverage to our business. As the latest generation of notebook and desktop computers begin to ramp for the back to school and holiday season, we continue to see strong booking and backlog trends for our efficient products and solutions for desktop and notebook computing. Our beginning backlog for the computing end-market in the third quarter was strongly ahead of normal seasonality, driven by our continued penetration of key accounts with our controllers, audio amplifiers and MOSFET products. We believe the Computing end-market represents the largest opportunity for sequential growth for the company. We believe we have the leadership position for desktop controllers and have set our sights on growing our share in the notebook controller market.

Wednesday, August 6, 2008

While many North American auto manufacturers struggled, our overall automotive business performed well in the second quarter of 2008. We continue to gain traction with wins in telematics and infotainment applications and the AMIS acquisition strengthens and balances our position in the automotive market globally. In the second quarter, we experienced strong automotive growth in China and Europe which offset slower sales in North America. While the Automotive design cycles can be very lengthy, we are beginning to see strong interest from leading automotive customers who now understand the value we deliver with our unique capabilities to offer a broad portfolio of products including motor control, sensor, MOSFETS, discretes, ASICs and CAN/LIN products.

The Communications end-market, which includes the Wireless end-market and the Networking end-market, was fueled primarily by the growth of our wireless products. In particular, we saw strong penetration of our over-voltage and ESD protection devices during the second quarter and expect to see continued strength in these products in the third quarter. New design wins for MOSFETs, audio amps, filters and analog switches also remain strong. In the recent launch of the leading next generation multimedia smartphone, we averaged approximately $1 per device.

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In the Consumer end-market, we are expecting to see sequential growth from gaming consoles as our customers ramp production for back to school and the holidays. We currently have approximately $4 to $5 and $1 to $2 of content, respectively, on two of the three major game console platforms.

Our products and solutions continue to win awards within the industry. EE-Times Magazine readers recently awarded our PureEdge™ low jitter clock management device with the “Ultimate Product of the Quarter Award” for its capabilities as a crystal oscillator clock module replacement. We also recently won the “Green Power Product Award” from a leading Chinese Electronics Magazine. A leading Chinese Mobile Phone Manufacturer also awarded us the “Best Supplier Award” for the second year in a row.

Now, I would like to turn it back over to Donald for other comments and our other forward-looking guidance —

Wednesday, August 6, 2008

DONALD…

DONALD COLVIN:

Thanks Keith.

THIRD QUARTER 2008 OUTLOOK

Based upon product booking trends, backlog levels, manufacturing services revenues and estimated turns levels, we anticipate that total revenues will be approximately $570 to $585 million in the third quarter of 2008, an increase of approximately one to four percent from the second quarter of 2008. Backlog levels at the beginning of the third quarter of 2008 were up from backlog levels at the beginning of the second quarter of 2008 and represent over 90 percent of our anticipated third quarter 2008 revenues. We expect that average selling prices for the third quarter of 2008 will be down approximately two percent sequentially.

We expect cash capital expenditures of approximately $40 million in the third quarter and 2008 total cash capital expenditures of approximately $120 to $130 million.

For the third quarter, we expect GAAP gross margin of approximately 37.5 to 38.5 percent. Our GAAP gross margin in the third

Wednesday, August 6, 2008

quarter will be impacted from, among others, expensing of appraised inventory fair market value step up associated with the acquisition of AMIS. We also expect non-GAAP gross margin of approximately 41.5 to 42.5 percent. Non-GAAP gross margin excludes special items of approximately $23 million. For the third quarter we also expect total GAAP operating expenses of approximately $150 million to $156 million, with GAAP SG&A expenses at approximately 12 percent of sales and GAAP R&D expenses at approximately 12 percent of sales. Our GAAP operating expenses include the amortization of intangibles, restructuring, asset impairments and other charges which total approximately 2 percent of sales. We also expect total non-GAAP operating expenses of approximately $130 million to $136 million or approximately 23 percent of sales. Non-GAAP operating expenses exclude special items such as the amortization of intangibles, restructuring, asset impairments, stock based compensation expense and other charges of approximately $20 million. We anticipate that net interest expense and other expenses will be approximately $10 million for the third quarter of 2008 and cash taxes to be approximately $2 million. In the second quarter, we received a benefit to cash taxes from refunds and reduced cash payments which improved second quarter non-GAAP earnings by approximately $3 million or approximately $0.01 per fully diluted

Wednesday, August 6, 2008

share versus our May guidance. As a reminder, we have over $800 million of net operating losses in the U.S. and expect our cash taxes to average approximately $3 to $4 million a quarter for the next two years. Taking into account the build up of our global cash balances over time and potential cash repatriation, our projected long-term effective tax rate should be approximately 10 percent. Our current fully diluted share count is approximately 410 million shares based on stock prices below $10, which includes approximately 397 million of common stock and approximately 13 million shares related to options, convertibles and RSUs. Further details on share count and EPS calculations are provided regularly in our 10Qs and Ks.

With that, I would like to start the Q&A session.

Thank you and “ ” please open up the line for questions.

This document includes “forward-looking statements” as that term is defined in Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. All statements other than statements of historical fact are statements that could be deemed forward-looking statements and are often characterized by the use of words such as “believes,” “expects,” “estimates,” “projects,” “may,” “will,” “intends,” “plans,” or “anticipates,” or by discussions of strategy, plans or intentions. In this document, forward-looking information relates mainly to the second quarter of 2008 and its bookings trends, backlog levels, estimated turns levels, anticipated revenues, gross margins and average selling prices, stock based compensation expense and similar matters. These forward-looking statements also include statements related to the benefits of the proposed transaction between ON Semiconductor

Wednesday, August 6, 2008

Corporation (“ON”) and Catalyst Semiconductor, Inc. (“Catalyst Semiconductor”) and the future financial performance of ON. All forward-looking statements in this document are based on management’s current expectations and estimates, and involve risks, uncertainties and other factors that could cause results to differ materially from those expressed in forward-looking statements. Among these factors are revenues and operating performance; changes in overall economic conditions; the cyclical nature of the semiconductor industry; changes in demand for our products; changes in inventories at our customers and distributors; technological and product development risks; availability of raw materials; competitors’ actions; pricing and gross margin pressures; loss of key customers; order cancellations or reduced bookings; changes in manufacturing yields; control of costs and expenses; significant litigation; risks associated with acquisitions and dispositions and the integration efforts related thereto; risks associated with our substantial leverage and restrictive covenants in our debt agreements; risks associated with our international operations; the threat or occurrence of international armed conflict and terrorist activities both in the United States and internationally; risks and costs associated with the regulation of corporate governance and disclosure standards (including pursuant to Section 404 of the Sarbanes-Oxley Act of 2002); risks involving environmental or other governmental regulation; difficulties encountered in integrating merged businesses; the risk that ON’s acquisition of Catalyst Semiconductor does not close, including the risk that the requisite stockholder and regulatory approvals may not be obtained; the variable demand and the aggressive pricing environment for semiconductor products; dependence on the ability to successfully manufacture current products in increasing volumes on a cost-effective basis and with acceptable quality; and the adverse impact of competitive product announcements. Information concerning additional factors that could cause results to differ materially from those projected in the forward-looking statements is contained in ON’s Annual Report on Form 10-K as filed with the Securities and Exchange Commission (the “SEC”) on February 12, 2008, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K and other of ON’s SEC filings, and Catalyst Semiconductor’s Annual Report on Form 10-K as filed with the SEC on July 3, 2008, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K and other of Catalyst Semiconductor SEC filings. Readers are cautioned not to place undue reliance on forward-looking statements. We assume no obligation to update such information.

Investors and security holders will be able to obtain free copies of the Registration Statement and the Proxy Statement/Prospectus (when available) and other documents filed with the SEC by ON and Catalyst Semiconductor through the web site maintained by the SEC at www.sec.gov. In addition, investors and security holders will be able to obtain free copies of the Registration Statement and the Proxy Statement/Prospectus (when available) and other documents filed with the SEC from ON by directing a request to ON Semiconductor Corporation, 5005 East McDowell Road, Phoenix, AZ, 85008, Attention: Investor Relations (telephone: (602) 244-3437) or going to ON’s corporate website at www.onsemi.com, or from Catalyst Semiconductor by directing a request to Catalyst Semiconductor, Inc., 2975 Stender Way, Santa Clara, CA 95054, Attention: Investor Relations (telephone: (408) 542-1000) or going to Catalyst Semiconductor’s corporate website at www.catsemi.com.

Wednesday, August 6, 2008