PLX Technology, Inc. Announces Conversion of Oxford Acquisition Note

SUNNYVALE, Calif.--(Business Wire)--
PLX Technology, Inc. (NASDAQ:PLXT) today announced the approval of the issuance
of 3.4 million shares of the Company`s common stock to satisfy the $14.2 million
principal balance of the promissory note the Company issued in connection with
its acquisition of Oxford Semiconductor, Inc.

On Friday, May 22, 2009, the Company held a special meeting of shareholders to
vote on the issuance of 3.4 million shares of PLX common stock to satisfy the
note for the Oxford acquisition, which was completed January 2, 2009. The
issuance of the 3.4 million common shares was approved with 99.6 percent of the
voted shares in favor of the conversion. After the issuance of the 3.4 million
shares of common stock, the total outstanding shares of common stock will be
approximately 37.0 million.

About PLX

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 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 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.

CommonGround Communications (for PLX)
Jerry Steach, 415-222-9996
jsteach@plxtech.com
or
PLX Technology, Inc.
Arthur O. Whipple, CFO, 408-774-9060
investor-relations@plxtech.com

Copyright Business Wire 2009