Monolithic Power Systems Presenting at FBR 2006 Investor Growth Conference in New York

LOS GATOS, Calif., May 22, 2006--Monolithic Power Systems, Inc. (MPS) (Nasdaq: MPWR), a leading fabless manufacturer of high-performance analog and mixed-signal semiconductors, will present at the Friedman, Billings, and Ramsey (FBR) 2006 Investor Growth Conference on Wednesday, May 31, 2006 at the Grand Hyatt, New York, NY.

About Monolithic Power Systems
Monolithic Power Systems, Inc. (MPS) develops and markets proprietary, advanced analog and mixed-signal semiconductors. The company combines advanced process technology with its highly experienced analog designers to produce high-performance power management integrated circuits (ICs) for DC to DC converters, LED drivers, Cold Cathode Fluorescent Lamp (CCFL) backlight controllers, Class D audio amplifiers, and Linear ICs. MPS products are used extensively in computing and network communications products, LCD monitors and TVs, and a wide variety of consumer and portable electronics products. MPS partners with world-class manufacturing organizations to deliver top quality, ultra-compact, high-performance solutions through the most productive, cost-efficient channels. Founded in 1997 and headquartered in Los Gatos, California, the company has expanded its global presence with sales offices in Taiwan, China, Korea, Japan, and Europe, which operate under MPS International, Ltd.

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MPS, Monolithic Power Systems, and the MPS logo are trademarks of Monolithic Power Systems, Inc. in the U.S. and certain other countries.