NetLogic Microsystems Announces Exercise of Over-Allotment Option

Mountain View, Calif. – March 28, 2010 – NetLogic Microsystems, Inc. (NASDAQ: NETL),  today announced that the underwriters of its previously announced public offering of common stock have fully exercised their over-allotment option to purchase 883,626 additional shares of common stock from the company.  The option was granted in connection with the public offering by NetLogic Microsystems and selling stockholders of a total of 5,890,838 shares of common stock at a public offering price of $28.85 per share.  The sale of shares in the offering, including the over-allotment shares, is expected to close on or around March 31, 2010 subject to customary closing conditions.

Credit Suisse Securities (USA) LLC and Morgan Stanley & Co. Incorporated are serving as joint book-running managers for the offering. 

The offering is being made pursuant to an automatic shelf registration statement that became effective immediately upon filing with the U.S. Securities and Exchange Commission on March 24, 2010 and a related prospectus dated March 25, 2010.  Copies of the prospectus may be obtained from:

Credit Suisse Securities (USA) LLC
One Madison Avenue, 1B
New York, New York 10010
Attention: Prospectus Department
Phone:  (800) 221-1037

Morgan Stanley & Co. Incorporated
180 Varick Street
New York, New York 10014
Attention: Prospectus Department
E-mail: prospectus@morganstanley.com
Phone: (866) 718-1649 (toll free)

This announcement shall not constitute an offer to sell or the solicitation of an offer to buy securities nor shall there be any offer or sale of these securities in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction. 

About NetLogic Microsystems
NetLogic Microsystems, Inc. (NASDAQ: NETL) is a worldwide leader in high-performance intelligent semiconductor solutions that are powering next-generation Internet networks.  Its product portfolio includes high-performance multi-core processors, knowledge-based processors, content processors, network search engines, ultra low-power embedded processors and high-speed 10/40/100 Gigabit Ethernet PHY solutions.  These products are designed into high-performance systems such as switches, routers, wireless base stations, security appliances, networked storage appliances, service gateways and connected media devices offered by leading original equipment manufacturers (OEMs).  NetLogic Microsystems is headquartered in Mountain View, California, and has offices and design centers throughout North America, Asia and Europe.