SanDisk Sues to Enforce Memory System Patents



    Twenty-Five Card Vendors and Controller Suppliers Named in Patent
Infringement Suits

    MILPITAS, CALIF., October 25 /CNW/ - SanDisk(R) Corporation (NASDAQ:  SNDK)
announced the filing of three patent infringement actions against 25 companies
that manufacture, sell and import USB flash drives, CompactFlash cards,
multimedia cards, MP3/media players and/or other removable flash storage
products. The actions, filed in the United States District Court in the
Western District of Wisconsin and in the United States International Trade
Commission ("ITC"), allege that the defendants have infringed various SanDisk
system-level patents, and seek damages and a permanent injunction in the
federal court actions, as well as a permanent exclusion order from the ITC
banning importation of the products into the United States.

    "These actions demonstrate SanDisk's long-term commitment to enforcing
its patents, both to protect our investment in research and development by
obtaining a fair return on that investment, and out of fairness to
third-parties that participate in our patent licensing program," said E. Earle
Thompson, Chief Intellectual Property Counsel at SanDisk. "Our goal is to
resolve these matters by offering the defendants the opportunity to
participate in our patent licensing program for card and system technology.
Otherwise, we will aggressively pursue these actions, seeking a prompt
judicial resolution awarding damages, obtaining injunctive relief and banning
importation of infringing product."

    In the ITC action, SanDisk is suing numerous companies for infringement
of five SanDisk patents, including:

    --  ACP-EP Memory

    --  A-Data

    --  Apacer

    --  Behavior Computer (d/b/a Emprex)

    --  Buffalo

    --  Chipsbank

    --  Corsair Memory

    --  Dane-Elec

    --  Edge

    --  Imation/Memorex

    --  Interactive Media (d/b/aKanguru)

    --  Kaser

    --  Kingston

    --  LG Electronics

    --  Phison Electronics

    --  PNY

    --  PQI

    --  Silicon Motion

    --  Skymedi

    --  Transcend

    --  TSR (d/b/a T.One)

    --  USBest

    --  Verbatim

    --  Welldone Company

    --  Zotek/Zodata (d/b/a Huke)

    In the first Wisconsin District Court case, SanDisk is suing numerous
companies for infringement of the five patents also at issue in the ITC
complaint, including:

    --  ACP-EP Memory

    --  A-Data

    --  Apacer

    --  Behavior Computer (d/b/a Emprex)

    --  Buffalo

    --  Chipsbank

    --  Corsair Memory

    --  Dane-Elec

    --  Edge

    --  Imation/Memorex

    --  Interactive Media (d/b/a Kanguru)

    --  Kingston

    --  LG Electronics

    --  Phison Electronics

    --  PNY

    --  PQI

    --  Silicon Motion

    --  Skymedi

    --  Transcend

    --  TSR (d/b/a T.One)

    --  USBest

    --  Verbatim

    --  Welldone Company

    --  Zotek/Zodata (d/b/a Huke).

    In the second Wisconsin District Court case, SanDisk is suing numerous
companies for infringement of an additional two patents that are not involved
in the ITC action or the first Wisconsin District Court case, including:

    --  A-Data

    --  Apacer

    --  Behavior Computer (d/b/a Emprex)

    --  Buffalo

    --  Dane-Elec

    --  Kingston

    --  Phison Electronics

    --  PQI

    --  PNY

    --  Skymedi

    --  Silicon Motion

    --  Transcend

    --  USBest

    --  Verbatim

    --  Zotek/Zodata (d/b/a Huke)

    SanDisk is the original inventor of flash storage cards and is one of the
world's largest suppliers of flash data storage card products, using its
patented, high-density flash memory and controller technology. SanDisk is
headquartered in Milpitas, California, and has operations worldwide, with more
than half its sales outside the United States.

    SanDisk's product and executive images can be downloaded from
www.sandisk.com/corporate/media.asp.

    SanDisk's web site/home page address: www.sandisk.com.

    SanDisk and the SanDisk logo are trademarks of SanDisk Corporation,
registered in the United States and other countries. Other trade names
mentioned herein are for identification purposes only and may be the
trademarks of their respective holder(s).

    This press release contains forward-looking statements, including
SanDisk's overall patent enforcement strategy and SanDisk's strategies and
expectations regarding the specific litigation described herein that are based
on SanDisk's current expectations and involve numerous risks and uncertainties
that may cause these forward-looking statements to be inaccurate. Risks that
may cause these forward-looking statements to be inaccurate include, among
others: we may be unable to negotiate and enter into licenses with the
defendants in these patent cases; our litigation or settlement strategy may
change; we may become subject to one or more countersuits by the defendants in
these actions; we may be unsuccessful in these actions or otherwise may be
unable to protect our intellectual property rights, which could harm our
business, financial condition and results of operations;; the litigation
described herein may be costly, may divert the efforts of our key personnel
and could result in adverse court rulings, which could materially harm our
business; and the other risks detailed from time-to-time under "Risk Factors"
and elsewhere in SanDisk's Securities and Exchange Commission filings and
reports, including its Annual Report on Form 10-K for the fiscal year ended
December 31, 2006 and its subsequent Quarterly Reports on Form 10-Q. SanDisk
does not undertake any obligation to update the information contained in this
press release.




For further information:

For further information: Cohn & Wolfe Lorena Cordoba, 416-924-5700 ext.
4089 lorena.cordoba@cohnwolfe.ca

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SANDISK CORPORATION

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