Press Release

PLX TECHNOLOGY EXECUTIVES TO PRESENT AT COWEN & CO. TECHNOLOGY CONFERENCE

SUNNYVALE, Calif. -- May 12, 2008 -- PLX Technology, Inc. (NASDAQ: PLXT), the leading supplier of PCI Express® (PCIe®) interconnect silicon, today announced that Michael Salameh, PLX® president and chief executive officer, and Arthur Whipple, PLX chief financial officer, will present at Cowen & Co.'s 20/20 TMT Conference in New York. Salameh and Whipple will deliver their presentations Thursday, May 29, beginning at 8:45 a.m. (EDT), on the worldwide I/O interconnect market and PLX's leading role in that market.

There will be a live Webcast of the presentation available through the Investors section of the PLX Web site, at www.plxtech.com/investors. The Webcast will then be archived, also available through the site's Investors section.

Company and product information is available on the PLX Web site at www.plxtech.com. Information on the Cowen & Co. conference can be found at www.cowen.com/UpcomingConferences.asp.

About PLX

PLX Technology, Inc., based in Sunnyvale, Calif., USA, is the world's leading supplier of PCI Express and other standard I/O interconnect semiconductors to the communications, server, storage, embedded-control, and consumer markets. The company provides a competitive advantage through an integrated combination of experience, high-performance silicon, hardware and software design tools, and global partnerships. These innovative solutions enable our customers to develop equipment with industry-leading performance, scalability and reliability that allows them to bring designs to market faster.

PLX Technology and the PLX Technology logo are registered trademarks of PLX Technology, Inc. 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. Other names and brands may be claimed as the property of others.

PLX Editorial contact:
Jerry Steach
CommonGround Communications (for PLX)
415.222.9996
jsteach@plxtech.com

Company contact:
Arthur Whipple
CFO, PLX Technology
408.774.9060
investor-relations@plxtech.com