Press Release

PLX Technology Announces Conference Call, Webcast of Second Quarter 2009 Financial Results

SUNNYVALE, Calif. -- July 20, 2009 -- PLX Technology (NASDAQ:PLXT) today announced it will host a conference call and Webcast to discuss its second quarter 2009 financial results and the Company's business outlook, on Tuesday, Aug. 4, 2009, at 2:00 p.m. (PDT), following the release of the Company's financial results. Ralph Schmitt, PLX® chief executive officer, and Arthur Whipple, PLX chief financial officer, will host the conference call.

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 719.457.2603. A recorded replay of this Webcast will be available on the PLX Website beginning 5:00 p.m. (PDT) on Aug. 4, 2009, through 5:00 p.m. (PDT) on Aug. 11, 2009. To listen to the replay via telephone, call 719.457.0820 and use access
code 7481419.

About PLX Technology

PLX Technology, Inc. (www.plxtech.com), based in Sunnyvale, Calif., USA, is a leading global supplier of high-performance, feature-rich, system-interconnect semiconductors, SoCs and software solutions for the communications, storage, server, compute, embedded-control, and consumer markets. The Company provides a competitive advantage through an integrated combination of experience, innovative silicon, powerful design tools, and synergetic global partnerships. These unmatched PLX solutions are based on established technologies including PCI Express, USB, SATA, Ethernet, and FireWire that enable our customers to develop equipment with industry-leading performance, scalability, security, and reliability, and bring their 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

Company contact:
Arthur Whipple
CFO, PLX Technology
408.774.9060