Peregrine Semiconductor Announces Extension of Lock-Up Period

  Peregrine Semiconductor Announces Extension of Lock-Up Period

Business Wire

SAN DIEGO -- January 28, 2013

Peregrine Semiconductor Corporation (Peregrine Semiconductor) (NASDAQ: PSMI),
a fabless provider of high-performance radio frequency integrated circuits
(RFICs), today announced that pursuant to the underwriting agreement in
connection with its initial public offering (IPO), company agreements with
certain stockholders, and individual lock-up agreements with the underwriters,
the term of the lock-up agreements with its pre-IPO stockholders has been
extended through February 10, 2013.

The lock-up agreements restrict dispositions of company securities within 180
days after the date of Peregrine Semiconductor’s final prospectus relating to
the IPO, unless during the last 17 days of the 180-day restricted period,
Peregrine Semiconductor issues an earnings release or other specified events
occur, in which case the lock-up period is extended.

On January 24, 2013, Peregrine Semiconductor announced that it will issue its
fourth quarter and full year 2012 earnings release on February 6, 2013. The
lock-up agreements provide for an automatic extension until the expiration of
the 18-day period beginning on the issuance of the earnings release, unless
otherwise waived by the underwriters. The underwriters waived the full 18-day
period extension but imposed an extension through February 10, 2013.

About Peregrine Semiconductor

Peregrine Semiconductor (NASDAQ: PSMI) is a fabless provider of
high-performance radio frequency integrated circuits (RFICs). Our solutions
leverage our proprietary UltraCMOS® technology, an advanced RF
Silicon-On-Insulator process. Our products deliver what we believe is an
industry-leading combination of performance and monolithic integration, and
target a broad range of applications in the aerospace and defense, broadband,
industrial, mobile wireless device, test and measurement equipment, and
wireless infrastructure markets. Additional information is available on the
Company’s website at

     The Peregrine Semiconductor name, logo and UltraCMOS are registered
   trademarks, and DuNE, and HaRP are trademarks of Peregrine Semiconductor
 Corporation in the U.S.A., and other countries. All other trademarks are the
                     property of their respective owners.


Company Contact:
Peregrine Semiconductor Corporation
Jay Biskupski, Chief Financial Officer
Investor Relations Contact:
The Blueshirt Group
Suzanne Craig or Melanie Friedman
415-217-4962; 415-217-4964
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