Monolithic Power Systems Announces Institution of Dispute Resolution Proceedings by International Trade Commission

January 12, 2009

SAN JOSE, Calif., Jan. 12 /PRNewswire-FirstCall/ — Monolithic Power
Systems (MPS) (Nasdaq: MPWR), a leading fabless manufacturer of
high-performance analog and mixed-signal semiconductors, today announced that
the U.S. International Trade Commission (“U.S.I.T.C.”) has formally started
its proceeding to resolve a patent dispute between MPS and O2 Micro, Inc.

On November 6, 2008, O2 Micro filed a complaint with the U.S.I.T.C.
alleging that certain MPS products infringe O2 Micro patents. The recent
decision by the Commission to investigate this complaint marks the procedural
start of formal litigation between the parties. The U.S.I.T.C. provides a
specialized forum to resolve patent infringement disputes involving goods made
overseas and imported into the U.S. “We appreciate the opportunity to fully
litigate this case against O2 Micro using all of the expertise and resources
of the ITC,” said Michael Hsing, CEO of MPS. “MPS has won several victories
against O2, and we believe that this case is in response to O2′s failed
litigation strategy.” A date for a full evidentiary hearing and resolution of
the dispute has not yet been set.

About Monolithic Power Systems, Inc.

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. MPS was founded in 1997 and is headquartered in San Jose,
. The company has expanded its global presence with sales offices in
Taiwan, China, Korea, Japan, and Europe, which operate under MPS
International, Ltd.

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

SOURCE Monolithic Power Systems, Inc.

Source: newswire

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