Press Release

PLX TECHNOLOGY CHIEF FINANCIAL OFFICER TO PRESENT AT THOMAS WEISEL PARTNERS CONFERENCE

SUNNYVALE, Calif. -- Feb. 4, 2009 -- PLX Technology (NASDAQ: PLXT), a leading worldwide supplier of high-performance, feature-rich system-interconnect solutions, today announced that Arthur Whipple, PLX® chief financial officer, will present at the Thomas Weisel Partners 7th Annual Technology Conference, in San Francisco. Whipple's presentation, on the global I/O and storage interconnect markets and PLX's leadership role in those markets, will take place Wednesday, Feb. 11, 2009, 9:45 a.m. (PST).

There will be a live Webcast of the presentation, with an archive available one hour after its conclusion, both available through the Investors News and Events section of the PLX Web site, www.plxtech.com/investors/news_events.

PLX company and product information is available at www.plxtech.com. Information on Thomas Weisel Partners is at www.tweisel.com.

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, SoC 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 inventive 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 trademarks or registered trademarks of PLX Technology, Inc. PCI Express® is a registered trademark the PCI Special Interest Group.

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