Exhibit 99.1

PLX TECHNOLOGY, INC. REPORTS SECOND QUARTER 2010 FINANCIAL RESULTS

Second Quarter Results

·   Record Revenue $29.7M - 63% Growth Year-on-Year

·   Record NAS Revenue - 66% Growth over Q1 2010

·   Highest-Performance USB 3.0 Storage Controllers Sampled

SUNNYVALE, Calif. – (July 26, 2010) – PLX Technology, Inc. (NASDAQ: PLXT) today announced second quarter 2010 revenues of $29.7 million and net income of $1.7 million, or $0.04 per share (diluted).

“We have now had four successive growth quarters with strong trends continuing in some of our newer network attach storage and USB-interconnect products,” said Ralph Schmitt, president and CEO of PLX. “Bookings remain strong and we expect to see a robust third quarter, which will be seasonally driven by storage and supported with continued strength in the enterprise-based PCI Express® business.”

GAAP Financial Comparison

(in millions, except per share amounts)

	Quarterly Results							Year to Date
		Q2 2010		Q2 2009			Q1 2010		2010		2009
Net revenues	$	29.7	$	18.2		$	28.8	$	58.5	$	34.6
Operating expense	$	15.6	$	16.6		$	14.7	$	30.2	$	34.9
Operating income (loss)	$	1.9	$	(6.5	)	$	1.7	$	3.6	$	(15.8	)
Net income (loss)	$	1.7	$	(9.1	)	$	1.5	$	3.2	$	(19.6	)
Earnings (loss) per share (diluted)	$	0.04	$	(0.26	)	$	0.04	$	0.08	$	(0.57	)

Non-GAAP Financial Comparison

(in millions, except per share amounts)

	Quarterly Results							Year to Date
		Q2 2010		Q2 2009			Q1 2010		Q2 2010		Q2 2009
Net revenues	$	29.7	$	18.2		$	28.8	$	58.5	$	34.6
Operating expense	$	14.5	$	13.6		$	13.7	$	28.2	$	28.1
Operating income (loss)	$	3.0	$	(3.4	)	$	2.7	$	5.7	$	(8.9	)
Net income (loss)	$	2.8	$	(6.0	)	$	2.5	$	5.3	$	(12.7	)
Earnings (loss) per share (diluted)	$	0.07	$	(0.18	)	$	0.07	$	0.13	$	(0.37	)

Non-GAAP results exclude share-based compensation, including employee stock ownership plan (ESOP) expenses, amortization of acquired intangibles and acquisition and restructuring related expenses.

Product Information

PLX continues to innovate and deliver industry-leading products with key customer engagements.

"PLX's new-product-execution machine continues to deliver, with the release of our new NSA product and USB3 controllers," said Schmitt, "Both of these advanced consumer products have already won designs at market-leading customers. We also achieved our first successful PCI Express Gen 3 interoperation. This is a critical step to building out the next-generation high-speed PCI Express ecosystem, at which PLX is at the forefront.”

The following products and developments were publicly announced during the second quarter:

·   the industry's highest-performance SATA storage controller (OXUFS944SE), optimized for real-time encryption

·   the entire PLX PCI Express (PCIe®) and Universal Serial Bus (USB) product families are now fully represented on integrators lists of the PCI Special Interest Group and USB Implementers Forum

·   PLX named ASUStek Best Partner

·   USB Duet simplifies Apple iPad photo, keyboard, audio sharing

·   all PLX PCIe Gen 2 switches support industrial temperature operation

·   sampling begins for the industry's highest-performance USB SuperSpeed 3.0 controllers (OXU3100, OXU3101 and OXU3102)

Business Outlook

The following statements are based on current expectations.  The Company does not intend to update, confirm or change this guidance until its third quarter 2010 earnings release, although it may provide additional details regarding its guidance during today’s scheduled conference call.

·   Net revenues for the third quarter ending September 30, 2010, are expected to be between $30.0 million and $32.0 million.

·   Gross margins are expected to be approximately 56 percent.

·   Operating expenses are expected to be approximately $15.5 million.  Included in operating expenses are share-based compensation and acquisition-related amortization charges of approximately $1.0 million.

PLX management plans to conduct a conference call and webcast today at 2:00 p.m. (PDT) to discuss its second quarter 2010 financial results, as well as its third quarter 2010 outlook.  A live webcast of the conference call will be available through the Investor Relations section of the PLX Website at www.plxtech.com/investors, which also can be heard live via telephone at 719.325.2483.  A recorded replay of this webcast will be available on the PLX website beginning at 5:00 p.m. (PDT) on July 26, 2010, through 5:00 p.m. (PDT) on August 2, 2010.  To listen to the replay via telephone, call 719.457.0820 and use access code 4599281.

For the live webcast, listeners should go to the PLX website at least 15 minutes before the event starts to download and install any necessary audio software.

About PLX

PLX Technology, Inc. (NASDAQ: PLXT), based in Sunnyvale, Calif., USA, is an industry-leading global provider of semiconductor-based connectivity solutions primarily targeting the enterprise and consumer markets.  The Company provides manufacturers worldwide with innovative software-enriched silicon through feature differentiation, high-quality interoperability and superior performance. www.plxtech.com.

Use of Non-GAAP Financial Information

To supplement PLX’s financial statements presented on a GAAP basis, PLX has provided non-GAAP financial information, including non-GAAP net income (loss), non-GAAP earnings (loss) per share (diluted), non-GAAP operating income (loss) and non-GAAP operating expenses.  These non-GAAP results exclude share-based compensation, including ESOP expenses, acquisition and restructuring related charges and amortization of acquired. A reconciliation of the adjustments to GAAP results is included in the tables below.  Non-GAAP financial information is not meant as a substitute for GAAP results, but is included because management believes such information is useful to our investors for informational and comparative purposes.  In addition, certain non-GAAP financial information is used internally by management to evaluate and manage the company.  The non-GAAP financial information used by PLX may differ from that used by other companies.  These non-GAAP measures should be considered in addition to, and not a substitute for, the results prepared in accordance with GAAP.

Safe Harbor Statement

This press release includes statements that qualify as forward-looking statements under the Private Securities Litigation Reform Act of 1995.  These include statements about the Company’s estimated net revenues, estimated operating expenses and estimated gross margins, which are set forth under the caption “Business Outlook” and the statements regarding the Company’s expectations for the third quarter.  Such statements involve risks and uncertainties, which may cause actual results to differ materially from those set forth in the statements.  Factors that could cause actual results to differ materially include risks and uncertainties, such as reduced demand for products of electronic equipment manufacturers that use the Company’s products, adverse economic conditions in general or those specifically affecting the Company’s markets, technical difficulties and delays in the development process, errors in the products, reduced backlog for the Company’s customers and unexpected expenses.  Please refer to the documents filed by the Company with the SEC from time to time, including, but not limited to, the Annual Report on Form 10-K for the year ended December 31, 2009, and PLX’s quarterly report on Form-10Q for the quarter ended March 31, 2010, which identifies important risk factors that could cause actual results to differ from those contained in the forward-looking statements.  All forward-looking statements are made as of today, and the Company assumes no obligation to update such statements.

PLX and the PLX logo are trademarks of PLX Technology, Inc., which may be registered in some jurisdictions.  All other product names that appear in this material are for identification purposes only and are acknowledged to be trademarks or registered trademarks of their respective companies.

Editorial contact:	Company contact:
Jerry Steach	Arthur O Whipple, CFO
CommonGround Communications (for PLX)	PLX Technology, Inc.
Tel: 415.222.9996	Tel: 408.774.9060
jsteach@plxtech.com	investor-relations@plxtech.com

PLX TECHNOLOGY, INC.

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(Unaudited)

(in thousands, except per share amounts)

			Three Months Ended					Six Months Ended
	June 30		June 30			March 31		June 30
	2010		2009			2010		2010		2009
Net revenues	$	29,721	$	18,178		$	28,819	$	58,540	$	34,635
Cost of revenues		12,232		8,076			12,471		24,703		15,587
Gross margin		17,489		10,102			16,348		33,837		19,048
Operating expenses:
Research and development		8,234		8,570			7,553		15,787		16,473
Selling, general and administrative		6,701		7,084			6,463		13,164		13,979
Acquisition and restructuring related costs		-		99			-		-		2,729
Amortization of purchased intangible assets		649		854			648		1,297		1,708
Total operating expenses		15,584		16,607			14,664		30,248		34,889
Income (loss) from operations		1,905		(6,505	)		1,684		3,589		(15,841	)
Interest income and other, net		48		117			61		109		165
Loss on fair value assessment		-		(2,652	)		-		-		(3,842	)
Income (loss) before provision for income taxes		1,953		(9,040	)		1,745		3,698		(19,518	)
Provision for income taxes		264		16			239		503		35
Net income (loss)	$	1,689	$	(9,056	)	$	1,506	$	3,195	$	(19,553	)
Basic net income (loss) per share	$	0.05	$	(0.26	)	$	0.04	$	0.09	$	(0.57	)
Shares used to compute basic per share amounts		37,081		35,061			37,025		37,053		34,275
Diluted net income (loss) per share	$	0.04	$	(0.26	)	$	0.04	$	0.08	$	(0.57	)
Shares used to compute diluted per share amounts		37,884		35,061			37,816		37,846		34,275

PLX TECHNOLOGY, INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(Unaudited)

(in thousands)

	June 30			December 31
	2010			2009
ASSETS
Cash and investments	$	45,168		$	40,015
Accounts receivable, net		8,654			9,167
Inventories		13,449			9,628
Property and equipment, net		11,009			10,856
Goodwill		1,367			1,367
Other intangible assets		4,343			5,640
Other assets		5,675			7,347
Total assets	$	89,665		$	84,020
LIABILITIES
Accounts payable	$	7,935		$	6,489
Accrued compensation and benefits		2,826			1,261
Accrued commissions		478			740
Other accrued expenses		822			1,657
Short term capital lease obligation		1,163			776
Long term capital lease obligation		439			1,098
Total liabilities		13,663			12,021
STOCKHOLDERS' EQUITY
Common stock, par value		37			37
Additional paid-in capital		154,773			153,939
Accumulated other comprehensive loss		(113	)		(87	)
Accumulated deficit		(78,695	)		(81,890	)
Total stockholders' equity		76,002			71,999
Total liabilities and stockholders' equity	$	89,665		$	84,020

PLX TECHNOLOGY, INC.

RECONCILIATION BETWEEN GAAP AND NON-GAAP FINANCIAL INFORMATION (1)

(Unaudited)

(in thousands, except per share amounts)

(not prepared in accordance with GAAP)

				Three Months Ended						Six Months Ended
	June 30			June 30			March 31			June 30
	2010			2009			2010			2010			2009
Net Income Reconciliation
GAAP Net Income (Loss)	$	1,689		$	(9,056	)	$	1,506		$	3,195		$	(19,553	)
Acquisition and restructuring related costs		-			99			-			-			2,729
Share-based compensation		463			2,120			346			809			2,460
Amortization of purchased intangible assets		649			854			648			1,297			1,708
Non-GAAP Net Income (Loss)	$	2,801		$	(5,983	)	$	2,500		$	5,301		$	(12,656	)
Earnings Per Share Reconciliation
GAAP Diluted Income (Loss) Per Share	$	0.04		$	(0.26	)	$	0.04		$	0.08		$	(0.57	)
Effect of acquisition and restructuring related costs		-			-			-			-			0.08
Effect of share-based compensation		0.01			0.06			0.01			0.02			0.07
Effect of amortization of purchased intangible assets		0.02			0.02			0.02			0.03			0.05
Non-GAAP Diluted Income (Loss) Per Share	$	0.07		$	(0.18	)	$	0.07		$	0.13		$	(0.37	)
Operating Income Reconciliation
GAAP Operating Income (Loss)	$	1,905		$	(6,505	)	$	1,684		$	3,589		$	(15,841	)
Share-based compensation - COGS		10			69			7			17			79
Share-based compensation - R&D		165			595			144			309			704
Share-based compensation - SG&A		288			1,456			195			483			1,677
Acquisition and restructuring related costs		-			99			-			-			2,729
Amortization of purchased intangible assets		649			854			648			1,297			1,708
Non-GAAP Operating Income (Loss)	$	3,017		$	(3,432	)	$	2,678		$	5,695		$	(8,944	)
Operating Expense Reconciliation
GAAP Operating Expenses	$	15,584		$	16,607		$	14,664		$	30,248		$	34,889
Share-based compensation - R&D		(165	)		(595	)		(144	)		(309	)		(704	)
Share-based compensation - SG&A		(288	)		(1,456	)		(195	)		(483	)		(1,677	)
Acquisition and restructuring related costs		-			(99	)		-			-			(2,729	)
Amortization of purchased intangible assets		(649	)		(854	)		(648	)		(1,297	)		(1,708	)
Non-GAAP Operating Expenses	$	14,482		$	13,603		$	13,677		$	28,159		$	28,071

1 Refer to " Use of Non-GAAP Financial Information" in the press release for a discussion of management's use of non-GAAP financial measures.

PLX TECHNOLOGY, INC.

SUPPLEMENTAL DATA

(Unaudited)

	Three Months Ended									Six Months Ended
	June 30			June 30			March 31			June 30
	2010			2009			2010			2010			2009
Net Revenues by Geography
Americas		19	%		17	%		15	%		17	%		20	%
Asia Pacific		72	%		74	%		76	%		74	%		69	%
Europe		9	%		9	%		9	%		9	%		11	%