SUNNYVALE, CA — (Marketwired) — 07/22/13 — PLX Technology, Inc. (NASDAQ: PLXT)

Record First-Half Profitability

Record PCI Express Revenues (Up Eight Percent Over Q1)

First $20 Million PCI Express Quarter

PLX Technology, Inc. (PLX®) (NASDAQ: PLXT), the global leader in PCI Express® (PCIe®) silicon and software connectivity solutions enabling emerging data center architectures, today announced second quarter revenues of $26.8 million and net income of $1.7 million, or $0.04 per share (diluted).

“Our ongoing commitment to controlling costs and focusing on our growing leadership in PCI Express has resulted in consecutive profitable quarters,” said David Raun, PLX president and CEO. “Although we still have much to do, these two quarters combined produced the most profitable first six months of any year in the company-s history. PCI Express grew eight percent, led by Gen3 growth setting a new record and producing our first $20 million PCI Express quarter. PCI Express is now 75 percent of our sales, up from 67 percent one year ago.”

The above non-GAAP financial information (other than net revenues, which are presented on a GAAP basis) excludes lawsuit verdict contingency accrual expense, share-based compensation, acquisition, restructuring and impairment charges, amortization of acquired intangibles and discontinued operations. See “Use of Non-GAAP Financial Information” below.

“Our leadership position in PCI Express, along with innovative products in development, is driving growth and new opportunities in the enterprise data center and cloud,” said Raun. “Networking and enterprise storage are leading the way on the design win front with strong activity around PCIe SSD platforms. We believe PLX won every significant switch design opportunity this past quarter.

“We estimate that the PCI Express market will grow by 15 to 25 percent in 2013. As we discussed last quarter, our continued revenue increases in PCI Express are expected to be somewhat offset through this year by declines in sales of our legacy connectivity products. However, we expect to exit 2013 with less than 20 percent of revenue from connectivity. Market growth, market share gains, solid design activity, and declining impact from connectivity products, should position PLX for greater growth in future quarters.”

The following statements are based on current expectations. The company does not intend to update, confirm or change this guidance until its third quarter 2013 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, 2013 are expected to be between $25.5 million and $27.5 million;

GAAP gross margins are expected to be approximately 57 percent, approximately one percent lower than non-GAAP margins;

Operating expenses are expected to be approximately $13.6 million. Included in operating expenses are share-based compensation related charges of approximately $0.6 million;

Annual non-GAAP operating expense guidance reduced from $52M to $51M as a result of tight expense control.

PLX management plans to conduct a conference call and webcast today at 1:30 p.m. (PT) to discuss its second quarter results, as well as its third quarter 2013 outlook. A live webcast of the conference call will be available through the Investor Relations section of the PLX Website at , which also can be heard live via telephone at (866) 515-2908, using access code 94187306. International callers may dial +1 (617) 399-5122. A recorded replay of this webcast will be available on the PLX Website beginning 3:30 p.m. (PT) on July 22, 2013, through 11:59 p.m. (PT) on July 29, 2013. To listen to the replay via telephone, call (888) 286-8010 and use access code 30028808. International callers may dial +1 (617) 801-6888.

To supplement PLX-s financial statements presented on a GAAP basis, PLX has provided non-GAAP financial information, including non-GAAP income (loss), non-GAAP earnings (loss) per share (diluted), non-GAAP operating income (loss) and non-GAAP operating expenses. These non-GAAP results exclude lawsuit verdict contingency accrual expense, share-based compensation, including ESOP expenses, acquisition, restructuring and impairment related charges, amortization of acquired intangibles and discontinued operations. 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 PLX 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.

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 statements regarding PLX-s future growth and new opportunities, demand for PCI Express, PCI Express market growth, declines in Connectivity products, and continued cost controls. 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, 2012, and PLX-s quarterly report on Form 10-Q for the quarter ended March 31, 2013, 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 Technology, Inc. (NASDAQ: PLXT), based in Sunnyvale, Calif., USA, is the industry-leading global provider of semiconductor-based PCI Express connectivity solutions primarily targeting enterprise data center markets. The company develops innovative software-enriched silicon that enables product differentiation, reliable interoperability and superior performance. Visit PLX on , , , and .

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.

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