NetLogic Microsystems Announces Stockholder
Approval Required for Acquisition of RMI Corporation

Mountain View, Calif. – Oct. 23, 2009 – NetLogic Microsystems, Inc. [NASDAQ: NETL], a leader in the design and development of knowledge-based processors and high-speed integrated circuits, announced that at a special meeting of stockholders held today it obtained the approval of stockholders required by Nasdaq Listing Rules for the issuance of shares of the company’s common stock in connection with the company’s proposed acquisition of RMI Corporation.  The company now expects to complete this acquisition on Oct. 30, 2009.

Also, as previously announced on October 13, 2009, the company has scheduled its third quarter 2009 financial results conference call for Nov. 3, 2009 at 1:30 p.m. Pacific time.  The company will release its financial results at approximately 1:05 p.m. Pacific time.

To listen to the conference call, dial (866) 700-6979 ten minutes prior to the start of the call, using the passcode 14054819.  International callers, dial (617) 213-8836.  A taped replay will be made available approximately two hours after the conclusion of the call and will remain available for one week.  To access the replay, dial (888) 286-8010 and enter passcode 59669302.  International callers dial (617) 801-6888.

The conference call will be available via a live webcast on the investor relations section of NetLogic Microsystems’ web site at http://www.netlogicmicro.com.  Access the web site 15 minutes prior to the start of the call to download and install any necessary audio software.  An archived webcast replay will be available on the web site for three months.

About NetLogic Microsystems
NetLogic Microsystems, Inc. (NASDAQ: NETL), a fabless semiconductor company headquartered in Mountain View, California, designs, develops and markets high-performance knowledge-based processors and high-speed integrated circuits that accelerate the delivery of voice, video, data and multimedia content for advanced enterprise, datacenter, communications and mobile wireless networks.  NetLogic Microsystems’ products include high-performance knowledge-based processors, application-aware content processors, 10-Gigabit Ethernet interconnects and network search engines that are being deployed by Tier 1 original equipment manufacturers (OEMs) in leading systems such as routers, switches, wireless infrastructure equipment, network security appliances, datacenter servers, network access equipment and network storage devices.  NetLogic Microsystems' knowledge-based processors and content processors employ an advanced processor architecture and a large knowledge or signature database containing information on the network, as well as applications and content that run on the network, to make complex decisions about individual packets of information traveling through the network. NetLogic Microsystems’ products significantly enhance the performance and functionality of next-generation networks that are designed to deliver high-definition video delivery over the Internet (IPTV), media-rich content over advanced mobile wireless services, voice transmission over the Internet (VoIP) and network security applications.  For more information about products offered by NetLogic Microsystems, call +1-650-961-6676 or visit the NetLogic Microsystems Web site at http://www.netlogicmicro.com.

NetLogic Microsystems and the NetLogic Microsystems logo are trademarks of NetLogic Microsystems, Inc.  All other trademarks are properties of their respective owners