Exhibit 99.1

This news release contains forward-looking statements, including those regarding our anticipated financial results for our third fiscal quarter, our ability to sustain the positive trends in margin expansion and revenue growth for the balance of fiscal 2010; the continuation of the positive momentum in our business; the growth in sectors such as healthcare and life sciences, clean tech and advanced enterprise IT hardware, smart phone devices and mechanical components; our outlook for fiscal 2010; our intention and our ability to focus on superior execution and satisfaction of our customer’s needs; the increase of our share in targeted markets; our delivery of financial results consistent with our long-term objectives; entering into and closing an agreement to divest our remaining manufacturing operations in France and Italy, and the closing date of and amount of loss on such divestiture; and our currently expected fourth quarter of fiscal year 2010 net revenue, core operating income, core and GAAP earnings per share results and the components thereof. The statements in this news release are based on current expectations, forecasts and assumptions involving risks and uncertainties that could cause actual outcomes and results to differ materially. These risks and uncertainties include, but are not limited to: our determination as we finalize our financial results for our third fiscal quarter that our financial results and conditions differ from our current preliminary unaudited numbers set forth herein; adverse changes in the demand, or expected demand, of our customers; adverse changes in current macro-economic conditions, both in the U.S. and internationally; our financial performance during and after the current economic conditions; our ability to maintain and improve costs, quality and delivery for our customers; risks and costs inherent in litigation; whether our realignment of our capacity will adversely affect our cost structure, ability to service customers and labor relations; our ability to successfully address the challenges associated with integrating our acquisition of Green Point; our ability to take advantage of perceived benefits of offering customers vertically integrated services; changes in technology; competition; anticipated growth for us and our industry that may not occur; managing rapid growth; managing rapid declines in customer demand that may occur; our ability to successfully consummate acquisitions and divestitures, including the sale of our remaining operations in France and Italy and the risk that we may realize a greater loss on such divestiture than currently anticipated; managing the integration of businesses we acquire; risks associated with international sales and operations; retaining key personnel; our dependence on a limited number of large customers; business and competitive factors generally affecting the electronic manufacturing services industry, our customers and our business; other factors that we may not have currently identified or quantified; and other risks, relevant factors and uncertainties identified in our Annual Report on Form 10-K for the fiscal year ended August 31, 2009, subsequent Reports on Form 10-Q and Form 8-K and our other securities filings. Jabil disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

Jabil Results Top Third Quarter Expectations
Operating Income Increases 56 Percent Sequentially

St. Petersburg, FL — June 22, 2010...Jabil Circuit, Inc. (NYSE: JBL), reported its preliminary, unaudited financial results for the third quarter of fiscal year 2010, ended May 31, 2010. “Growth is accelerating and we now expect fiscal 2010 to be a record year for Jabil in terms of revenue and earnings,” said Timothy L. Main, President and CEO. “We believe the company is uniquely well positioned for sustained growth and positive financial performance.”

(Definitions used: “GAAP” means U.S. generally accepted accounting principles. Jabil defines core operating income as GAAP operating income before amortization of intangibles, stock-based compensation expense and related charges, restructuring and impairment charges, goodwill impairment charges, certain distressed customer charges and loss on disposal of subsidiary. Jabil defines core earnings as GAAP net income before amortization of intangibles, stock-based compensation expense and related charges, restructuring and impairment charges, goodwill impairment charges, certain distressed customer charges, loss on disposal of subsidiary, certain other expenses, net of tax and certain deferred tax valuation allowance charges. Jabil defines core earnings per share as core earnings divided by the weighted average number of outstanding shares determined under GAAP. Jabil reports core operating income, core earnings and core earnings per share to provide investors with an additional method for assessing operating income, earnings and earnings per share from what it believes are its core manufacturing operations. See the accompanying reconciliation of Jabil’s core operating income to its GAAP operating income and Jabil’s core earnings and core earnings per share to its GAAP net income and GAAP earnings per share and additional information in the supplemental information.)

Third Quarter 2010

Net revenue for the third quarter of fiscal 2010 was $3.5 billion compared to $2.6 billion for the same period of fiscal 2009.

GAAP results:

GAAP operating income for the third quarter of fiscal 2010 was $96.5 million compared to a loss of $7.8 million for the same period of fiscal 2009.

GAAP net income for the third quarter of fiscal 2010 was $52.0 million compared to a net loss of $28.8 million for the same period of fiscal 2009.

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Jabil Earnings Release
June 22, 2010

GAAP diluted earnings per share for the third quarter of fiscal 2010 was $0.24 compared to a loss per share of $0.14 for the same period of fiscal 2009.

Core results:

Core operating income for the third quarter of fiscal 2010 was $131.9 million or 3.8 percent of net revenue compared to $29.0 million or 1.1 percent of net revenue for the same period of fiscal 2009.

Core earnings for the third quarter of fiscal 2010 were $86.7 million compared to $8.5 million for the same period of fiscal 2009.

Core diluted earnings per share for the third quarter of fiscal 2010 was $0.40 compared to $0.04 for the same period of fiscal 2009.

Sequential Third Quarter Fiscal 2010

Operational Highlights

• GAAP operating income increased 56.3 percent.

• GAAP earnings increased $0.10 per fully diluted share.

• Core operating income increased 38.0 percent.

• Core earnings increased $0.11 per fully diluted share.

Balance Sheet and Cash Flow Highlights

• Cash flow from operations for the quarter was approximately $37 million.

• Sales cycle was 16 days for the third quarter of fiscal 2010.

• Annualized inventory turns were seven turns for the third quarter of fiscal 2010.

• Capital expenditures for the third quarter of fiscal 2010 were approximately $129 million.

• Depreciation for the third quarter of fiscal 2010 was approximately $63 million.

• Cash and cash equivalent balances were $600 million at the end of the third quarter of fiscal 2010.

• Core return on invested capital was 22 percent for the third quarter of fiscal 2010.

• A $0.07 dividend was paid on June 1, 2010.

Jabil also announced that it has entered into a letter of intent to divest its remaining manufacturing operations in France and Italy. Divested operations would include four sites and approximately 1,500 people. This transaction is expected to close during the course of the fourth fiscal quarter and is subject to final negotiation of acquisition related documents, customary regulatory filings and approvals and consultation with and approval of employees and their representatives. The company currently anticipates that the loss on divested operations to be approximately $0.05 per share.

Business Update

“Our presence in rapidly growing sectors such as healthcare and life sciences, clean tech and advanced enterprise IT hardware is expected to be complemented by strong growth in smart phone devices and mechanical components,” said Timothy L Main, Jabil’s President and CEO.

Jabil management indicated that it expects net revenue for its fourth quarter of fiscal 2010 to increase 10 to 16 percent sequentially, ranging from $3.8 billion to $4.0 billion.

Jabil estimated that its core operating income for its fourth quarter of fiscal 2010 will grow 9 to 21 percent sequentially, ranging from 3.8 to 4.0 percent of net revenue.

Jabil indicated that it expects its core earnings per share for its fourth quarter of fiscal 2010 to improve 13 to 25 percent sequentially, ranging from $0.45 to $0.50 per diluted share.

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Jabil Earnings Release
June 22, 2010

GAAP earnings per share are expected to be in a range from $0.28 to $0.34 per diluted share. (GAAP earnings per share for the fourth quarter of fiscal 2010 is currently estimated to include $0.03 per share for amortization of intangibles; $0.07 to $0.08 per share for stock-based compensation and related charges; $0.01 per share for restructuring and impairment charges; and $0.05 per share for loss on disposal of subsidiary.)

“We remain focused on superior execution and satisfaction of our customers’ needs as they deal with an increasingly complex and changing world. We expect to increase our share in targeted markets while delivering financial results consistent with our long-term objectives,” Main said.

Supplemental Information

The financial results disclosed in this release include certain measures calculated and presented in accordance with GAAP. In addition to the GAAP financial measures, Jabil provides supplemental, non-GAAP financial measures to facilitate evaluation of Jabil’s core operating performance. The non-GAAP financial measures disclosed in this release exclude certain amounts that are included in the most directly comparable GAAP measures. The non-GAAP or core financial measures disclosed in this release do not have standard meanings and may vary from the non-GAAP financial measures used by other companies. Management believes core financial measures (which exclude the effects of the amortization of intangibles, stock-based compensation expense and related charges, restructuring and impairment charges, goodwill impairment charges, certain distressed customer charges, loss on disposal of subsidiary, certain other expenses, net of tax and certain deferred tax valuation allowance charges) are a useful measure that facilitates evaluating the past and future performance of Jabil’s ongoing operations on a comparable basis. Jabil reports core operating income, core return on invested capital, core earnings and core earnings per share to provide investors with an additional method for assessing operating income, earnings and earnings per share from what it believes are its core manufacturing operations. Included in this release are Condensed Consolidated Statements of Operations as well as a reconciliation of the disclosed core financial measures to the most directly comparable GAAP financial measures.

Company Conference Call Information

Jabil will hold a conference call to discuss the third fiscal quarter 2010 earnings today at 4:30 p.m. ET live on the Internet at http://www.jabil.com. The earnings conference call will be recorded and archived for playback on the web at http://www.jabil.com. A taped replay of the conference call will also be available June 22, 2010 at approximately 7:30 p.m. ET through midnight on June 29, 2010. To access the replay, call (800) 642-1687 from within the United States, or (706) 645-9291 outside the United States. The pass code is 82061298. An archived webcast of the conference call will be available at http://www.jabil.com/investors/.

About Jabil

Jabil is an electronic product solutions company providing comprehensive electronics design, manufacturing and product management services to global electronics and technology companies. Offering complete product supply chain management from facilities in 22 countries, Jabil provides comprehensive, individualized-focused solutions to customers in a broad range of industries. Jabil common stock is traded on the New York Stock Exchange under the symbol, “JBL”. Further information is available on Jabil’s website: jabil.com.

Investor & Media Contact:
Beth Walters
Vice President, Investor Relations & Communications
Jabil Circuit, Inc.
(727) 803-3511
beth_walters@jabil.com

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JABIL CIRCUIT, INC. AND SUBSIDIARIES
CONDENSED CONSOLIDATED BALANCE SHEETS
(In thousands)
(Unaudited)

	May 31,			August 31,
	2010			2009
ASSETS
Current assets:
Cash and cash equivalents	$	600,349		$	876,272
Trade accounts receivable, net		1,266,724			1,260,962
Inventories		1,781,798			1,226,656
Prepaid expenses and other current assets		353,621			247,795
Income taxes receivable		32,347			37,448
Deferred income taxes		23,128			27,693
Total current assets		4,057,967			3,676,826
Property, plant and equipment, net		1,378,057			1,377,729
Goodwill and intangible assets, net		141,464			156,288
Deferred income taxes		60,123			49,673
Other assets		55,672			57,342
Total assets	$	5,693,283		$	5,317,858
LIABILITIES AND EQUITY
Current liabilities:
Current installments of notes payable, long-term debt and long-term lease obligations	$	87,625		$	197,575
Accounts payable		2,369,005			1,938,009
Accrued expenses		514,791			537,851
Income taxes payable		19,505			11,831
Deferred income taxes		3,573			660
Total current liabilities		2,994,499			2,685,926
Notes payable, long-term debt and long-term lease obligations, less current installments		1,038,412			1,036,873
Income tax liability		90,915			78,348
Deferred income taxes		890			4,178
Other liabilities		56,933			70,124
Total liabilities		4,181,649			3,875,449
Equity:
Jabil Circuit, Inc. stockholders’ equity:
Common stock		219			217
Additional paid-in capital		1,500,546			1,455,214
Retained earnings (accumulated deficit)		79,805			(13,700	)
Accumulated other comprehensive income		127,630			196,972
Treasury stock at cost		(209,028	)		(203,541	)
Total Jabil Circuit, Inc. stockholders’ equity		1,499,172			1,435,162
Non-controlling interests		12,462			7,247
Total equity		1,511,634			1,442,409
Total liabilities and equity	$	5,693,283		$	5,317,858

JABIL CIRCUIT, INC. AND SUBSIDIARIES
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
(In thousands, except for per share data)
(Unaudited)

	Three months ended					Nine months ended
	May 31,		May 31,			May 31,		May 31,
	2010		2009			2010		2009
Net revenue	$	3,455,578	$	2,615,101		$	9,548,478	$	8,885,010
Cost of revenue		3,193,464		2,466,512			8,831,842		8,357,162
Gross profit		262,114		148,589			716,636		527,848
Operating expenses:
Selling, general and administrative		151,409		125,419			429,226		368,134
Research and development		6,331		7,198			21,453		18,607
Amortization of intangibles		6,206		7,612			19,954		23,320
Restructuring and impairment charges		1,635		16,167			5,705		48,312
Loss on disposal of subsidiary		—		—			15,722		—
Goodwill impairment charges		—		—			—		1,022,821
Operating income (loss)		96,533		(7,807	)		224,576		(953,346	)
Interest, net and other		19,837		18,904			60,595		61,709
Income (loss) before income taxes		76,696		(26,711	)		163,981		(1,015,055	)
Income tax expense		24,009		2,528			52,591		156,909
Net income (loss)		52,687		(29,239	)		111,390		(1,171,964	)
Net income (loss) attributable to non-controlling interests, net of income tax expense		656		(477	)		1,241		(1,245	)
Net income (loss) attributable to Jabil Circuit, Inc.	$	52,031	$	(28,762	)	$	110,149	$	(1,170,719	)
Earnings (loss) Per Share:
Income (loss) attributable to the stockholders of Jabil Circuit, Inc.:
Basic	$	0.24	$	(0.14	)	$	0.51	$	(5.66	)
Diluted	$	0.24	$	(0.14	)	$	0.51	$	(5.66	)
Weighted average shares outstanding:
Basic		213,881		207,190			214,051		206,767
Diluted		216,522		207,190			218,089		206,767

JABIL CIRCUIT, INC. AND SUBSIDIARIES
SUPPLEMENTAL DATA
RECONCILIATION OF GAAP FINANCIAL RESULTS TO NON-GAAP MEASURES
(In thousands, except for per share data)
(Unaudited)

	Three months ended					Nine months ended
	May 31,		May 31,			May 31,		May 31,
	2010		2009			2010		2009
Operating income (loss) (GAAP)	$	96,533	$	(7,807	)	$	224,576	$	(953,346	)
Amortization of intangibles		6,206		7,612			19,954		23,320
Stock-based compensation and related charges		27,487		13,039			67,980		33,044
Restructuring and impairment charges		1,635		16,167			5,705		48,312
Goodwill impairment charges		—		—			—		1,022,821
Loss on disposal of subsidiary		—		—			15,722		—
Distressed customer charges		—		—			—		7,256
Core operating income (Non-GAAP)	$	131,861	$	29,011		$	333,937	$	181,407
Net income (loss) (GAAP)	$	52,031	$	(28,762	)	$	110,149	$	(1,170,719	)
Amortization of intangibles, net of tax		6,191		7,561			19,919		22,787
Stock-based compensation and related charges, net of tax		26,825		12,021			66,713		31,231
Restructuring and impairment charges, net of tax		1,693		12,312			5,777		57,930
Goodwill impairment charges, net of tax		—		—			—		1,018,157
Distressed customer charges, net of tax		—		(79	)		—		6,329
Loss on disposal of subsidiary, net of tax		—		—			15,722		—
Deferred tax valuation allowance charges		—		5,463			—		132,912
Core earnings (Non-GAAP)	$	86,740	$	8,516		$	218,280	$	98,627
Earnings (loss) per share: (GAAP)
Basic	$	0.24	$	(0.14	)	$	0.51	$	(5.66	)
Diluted	$	0.24	$	(0.14	)	$	0.51	$	(5.66	)
Core earnings per share: (Non-GAAP)
Basic	$	0.41	$	0.04		$	1.02	$	0.46
Diluted	$	0.40	$	0.04		$	1.00	$	0.46
Common shares used in the calculations of earnings (loss) per share (GAAP):
Basic		213,881		207,190			214,051		206,767
Diluted		216,522		207,190			218,089		206,767
Common shares used in the calculations of earnings per share (Non-GAAP):
Basic		213,881		213,429			214,051		213,287
Diluted		216,522		213,446			218,089		213,304