STMicroelectronics : STMicroelectronics Re-asserts its MEMS Patent Leadership and Requests International Trade Commission

STMicroelectronics : STMicroelectronics Re-asserts its MEMS Patent Leadership
   and Requests International Trade Commission Investigation of InvenSense

Coppell, March 11, 2013 -- STMicroelectronics (NYSE: STM), a global
semiconductor leader serving customers across the spectrum of electronics
applications and the worldwide technology leader of motion, environmental,
audio and micro-fluidic MEMS (Micro-Electro-Mechanical Systems), announced
today that its U.S. subsidiary, STMicroelectronics, Inc., has filed a
complaint with the United States International Trade Commission (ITC). The
complaint requests that the ITC initiate an investigation into the alleged
infringement of five ST patents covering all of InvenSense, Inc.'s MEMS device
offerings, as well as products from two of InvenSense's customers, Black and
Decker, Inc. and Roku, Inc. ST has requested that the ITC issue an order
excluding InvenSense's infringing gyroscopes and accelerometers, as well its
customers' products that include those InvenSense devices, from importation
into the United States.

This is the second patent lawsuit that ST has brought against InvenSense. In
May 2012, ST filed a patent infringement lawsuit against InvenSense in the
Northern District of California, alleging infringement of nine ST patents and
seeking injunctive relief and monetary damages. Rather than litigating ST's
claims before the court, InvenSense used the delaying tactic of filing
requests for ex parte reexamination of ST's patents with the United Stated
Patent and Trademark Office ("USPTO"), even though historically over 89% of
reexamined patents are confirmed upon ex parte reexamination.

On February 27th, 2013, the district court granted InvenSense's request for a
stay of proceedings pending the USPTO's reexamination. ST is confident in the
validity of its patents and is eager to resume the district court proceedings
at the earliest opportunity.

"While we welcome fair competition, ST cannot tolerate continued infringement
of our strong and unique patent portfolio, which is the result of more than 15
years of intensive R&D efforts and substantial investment, to bring
competitive and innovative solutions to customers worldwide," said Bob
Krysiak, President and Chief Executive Officer of STMicroelectronics, Inc

With more than 800 MEMS-related patents and patent applications worldwide,
including more than 350 in the US, ST is the acknowledged world leader in
motion, environmental, audio, and micro-fluidic MEMS, and leads the way
towards intelligent and independent sensing devices. The company's
comprehensive portfolio of micro-machined accelerometers, gyroscopes, pressure
sensors, magnetic sensors, and microphones- together with its manufacturing
and packaging prowess and ability to integrate multi-sensor combos with
on-board signal processing, control functions, sensor-fusion algorithms, and
wireless connectivity-aim to open new horizons in consumer electronics,
healthcare, environmental sciences, and many other domains.

About STMicroelectronics
ST is a global leader in the semiconductor market serving customers across the
spectrum of sense and power and automotive products and embedded processing
solutions. From energy management and savings to trust and data security, from
healthcare and wellness to smart consumer devices, in the home, car and
office, at work and at play, ST is found everywhere microelectronics make a
positive and innovative contribution to people's life. By getting more from
technology to get more from life, ST stands for life.augmented.

In 2012, the Company's net revenues were $8.49 billion. Further information on
ST can be found at www.st.com.

For further information, please contact:

INVESTOR RELATIONS:

Tait Sorensen

Group VP, Investor Relations

STMicroelectronics

Tel: +1 602 485 2064

tait.sorensen@st.com

MEDIA RELATIONS:

Michael Markowitz

Director Technical Media Relations

STMicroelectronics

Tel: +1 781 591 0354

michael.markowitz@st.com

ST Requests ITC Investigation of InvenSense

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