PLX Technology Reiterates Q3 2001 Revenue Expectations.

Business/Technology Editors

SUNNYVALE, Calif.--(BUSINESS WIRE)--Sept. 16, 2001

PLX Technology, Inc. (Nasdaq:PLXT) today announced that it is reiterating its revenue expectations for the quarter ending September 30, 2001. PLX expects revenues for the third quarter to be between 0 to 10 percent above second quarter revenues of $9.5 million.

In July 2001, the company announced that it expected operating expenses to be 5 to 10 percent below the second quarter levels. PLX now expects operating expenses to be 10 to 20 percent below second quarter operating expenses of $8.4 million.

"The Company's costs containment efforts have exceeded expectations due to various programs initiated to curb discretionary spending," said Michael Salameh, president of PLX.

In January 2001, PLX announced that its Board of Directors authorized a stock repurchase program whereby up to 2,000,000 shares of its common stock may be purchased in the open market or in privately negotiated transactions from time to time as market and business conditions warrant. The repurchased shares will be used for general corporate purposes.

There will be no conference call in conjunction with this announcement. The Company will provide a further business update at its next quarterly earnings conference call.

Company and product information is available on the PLX Web site at www.plxtech.com.

About PLX

PLX Technology Inc. (www.plxtech.com), based in Sunnyvale, Calif., USA, is the leading supplier of high-speed silicon and software solutions for the networking and communications industries. The PLX solution includes industry-standard silicon, software for managing data throughout the PCI bus, reference design tools that minimize design risk, and third-party development tool support through the PLX Partner Program. The PLX solution enables hardware designers and software developers to maximize system input/output (I/O), lower development costs, minimize system design risk and provide faster time to market. PLX PCI I/O Accelerator chips and I/O Processor devices are designed into a wide variety of embedded PCI communication systems, including switches, routers, line cards, media gateways, base stations, access multiplexors and remote access concentrators. PLX customers include many of the leading communications equipment companies, including Cisco Systems, Compaq Computer, Ericsson, Hewlett Packard, IBM, Lucent Technologies, Marconi, Nortel Networks, and Siemens.

Legal Notice Regarding Forward-Looking Statements

Statements in this press release which are not purely historical are forward-looking statements, including any statements regarding beliefs, plans, expectations or intentions regarding the future. Forward-looking statements in this release include statements regarding our long-term prospects. Such statements involve risks and uncertainties which may cause actual results to differ materially from those set forth in these statements. Factors that could cause actual results to differ materially include risks and uncertainties such as reduced demand for products of electronic equipment manufacturers which include PLX's products due to adverse economic conditions in general or specifically affecting PLX's markets, reduced significance of the PCI standard for the communications infrastructure and replacement by other standards, technical difficulties and delays in the development process, and errors in the products. You are also referred to the documents filed by PLX 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, 2000 and the quarterly report on Form 10-Q for the first quarter of 2001, which identify 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 and the PLX Technology logo are registered trademarks of PLX Technology, Inc.