6183 Paseo Del Norte

Carlsbad, CA 92011

Telephone: (760) 547-2700

Facsimile: (760) 547-2705

PTSC Home Page

http://www.ptsc.com /

PTSC`s investor relations and financial media

support firm:

Hawk Associates, Inc.

204 Ocean Drive

Tavernier, FL. 33070

305-852-2383

305-852-2378 fax

Frank Hawkins or Ken AuYeung

PTSC`s public relations firm:

The Hoffman Agency

303-868-9641

David Friedman

dfriedman@hoffman.com

PTSC/TPL via Alliacense Licensees to date

Advanced Micro Devices, Intel, Hewlett-Packard, Casio, Fujitsu, Sony, Nikon, Seiko Epson, Pentax, Olympus, Kenwood

Upcoming Events

News

Letter from David Pohl, Chairman and CEO of Patriot Corporation 9/20/06

http://www.hawkassociates.com/0609ptscshareholderletter.aspx

Patriot Scientific Growth Strategy Advances as Kenwood Joins Steadily Expanding Roster of MMP Patent Portfolio Licensees...Agreement With Ninth Major Manufacturer In As Many Months Demonstrates Broad Market Potential of Fundamental MMP Portfolio Technologies 9/20/06

http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=104&STORY=/www/story/09-20-2006/0004436574&EDATE=

Patriot Scientific Gaining Momentum as Olympus Signs Eighth Licensing Deal in Eight Months...Board Member Jim Turley Increases Strategic Role 9/5/06

http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=109&STORY=/www/story/09-05-2006/0004426335&EDATE=

Patriot Scientific Confirms PENTAX Joins Growing Roster of Global Manufacturers Licensed to Use the Moore Microprocessor Patent(TM) Portfolio 6/29/06

http://www.us.design-reuse.com/news/news13707.html

Patriot Scientific Corporation Confirms Seiko Epson Agreement to Purchase MMP License 6/26/06

http://www.us.design-reuse.com/news/news13689.html

Patriot Scientific Corporation Confirms Licensing Agreement With Nikon 6/13/06

http://www.us.design-reuse.com/news/news13585.html

Patriot Scientific Corporation Announces Licensing Agreement With Sony Corporation 6/5/06

http://www.us.design-reuse.com/news/news13519.html

Patriot Scientific Corporation Selects The Hoffman Agency as PR Agency of Record 5/18/06

http://biz.yahoo.com/prnews/060518/flth016.html?.v=53

Patriot Scientific Corporation Announces Share Repurchase Plan, Strong Q3 Revenues 4/24/06

http://www.us.design-reuse.com/news/news13169.html

Patriot Scientific Receives Share of Proceeds from MMP Patent Portfolio Licensing Agreement with Fujitsu 4/5/06

http://www.us.design-reuse.com/news/news13020.html

Patriot Scientific To Now Focus On Outcome of Infringement Lawsuit in Texas 3/17/06

http://www.us.design-reuse.com/news/news12851.html

Patriot Scientific Corporation Announces Second Cash Stock Dividend in Less Than a Month 3/9/06

http://www.design-reuse.com/news/news12791.html

Patriot Scientific Announces Breakthrough Patent Licensing Agreement with Fujitsu 3/2/06

http://www.us.design-reuse.com/news/news12740.html

Patriot Scientific Announces Important Patent Licensing Agreement with Casio 2/22/06

http://www.us.design-reuse.com/news/news12669.html

Technology Authority Jim Turley Joins Board of Patriot Scientific 2/21/06

http://www.us.design-reuse.com/news/news12652.html

Patriot Scientific to Pay Dividend 2/14/06

http://www.us.design-reuse.com/news/news12592.html

Patriot Scientific Corporation Announces Debenture Conversion, Warrant Buyback Agreements 2/10/06

http://www.us.design-reuse.com/news/news12556.html

Patriot Scientific Announces Major Patent Licensing Agreement with Hewlett-Packard 1/24/06

http://www.freshnews.com/cgi-bin/jsj_news/print.cgi?article_ID=29397

Patriot Scientific Reports Order-of-Magnitude Revenue, Profitability in Q1 2006 10/26/05

http://www.freshnews.com/news/computers-internet/article_27765.html

Patriot Scientific Dismisses Lawsuits Against Major Electronics Equipment Manufacturers 10/25/05

http://www.us.design-reuse.com/news/news11744.html

An Open Letter from Chairman & CEO David Pohl to the Shareholders of Patriot Scientific Corporation 8/4/05

http://www.us.design-reuse.com/news/news11072.html

Patriot Scientific Appoints New Chief Financial Officer 8/3/05

http://www.us.design-reuse.com/news/?id=11065&print=yes

Patriot Scientific Names New Chairman/CEO 6/15/05

http://www.us.design-reuse.com/news/news10669.html

Patriot Scientific and TPL Group Unify Portfolio of Fundamental Microprocessor Patents 6/7/05

http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=104&STORY=/www/story/06-07-2005/0003821134&EDATE=

Patriot Scientific Names Richard J. Corrigan Vice President of Product Management 5/13/05

http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=104&STORY=/www/story/05-13-2005/0003599993&EDATE=

Patriot Scientific Says Licensing Agreements Result in Quarterly Profit 3/31/05

http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=104&STORY=/www/story/03-31-2005/0003295062&EDATE=

Patriot Scientific Announces Third Fiscal Quarter Earnings and Webcast 3/30/05

http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=104&STORY=/www/story/03-30-2005/0003291649&EDATE=

U.S. District Judge Rules to Disqualify Patriot Scientific Corporation`s Counsel and to Deny Witness Testimony 3/9/05

http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=104&STORY=/www/story/03-09-2005/0003159309&EDATE=

Patriot Scientific and AMD Enter Into Series of Agreements 2/22/05

http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=104&STORY=/www/story/02-22-2005/0003067961&EDATE=

Patriot Scientific Announces GNU-C/C++ Compiler Software for IGNITE-Based Embedded Processor Applications 2/3/05

http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=104&STORY=/www/story/02-03-2005/0002947043&EDATE=

Patriot Scientific Announces Date for Annual Meeting 1/26/05

http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=104&STORY=/www/story/01-26-2005/0002905855&EDATE=

Patriot Scientific Learns of Agreement Validating Its `336 Patent 12/08/04

http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=104&STORY=/www/story/12-08-2004/0002590188&EDATE=

Patriot Scientific Clarifies Rejection Announcement of Offer for Microprocessor Patent Portfolio 11/15/04

http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=104&STORY=/www/story/11-15-2004/0002456941&EDATE=

Patriot Scientific Rejects Offer for Microprocessor Patent Portfolio 11/11/04

http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=104&STORY=/www/story/11-11-2004/0002403741&EDATE=

Patriot Scientific Notifies More Than 150 Companies of Patent Portfolio Infringement 4/23/04

http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=104&STORY=/www/story/04-23-2004/0002158407&EDATE=

Patriot Scientific Stock Begins Trading on Berlin Stock Exchange 3/16/04

http://www.us.design-reuse.com/news/news7476.html

Patriot Scientific Files Multi-Countersuit For Infringement Against Intel Corporation 2/11/04

http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=104&STORY=/www/story/02-11-2004/0002107467&EDATE=

Patriot Scientific Will Vigorously Respond To Intel Court Action 2/6/04

http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=104&STORY=/www/story/02-06-2004/0002104631&EDATE=

Patriot Scientific Files Multi-District Transfer Request For Patent Infringement Lawsuits 1/26/04

http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=104&STORY=/www/story/01-26-2004/0002096039&EDATE=

Patriot Scientific Files Lawsuit against Matsushita 1/7/04

http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=104&STORY=/www/story/01-07-2004/0002084973&EDATE=

Patriot Scientific (PTSC) Files Additional Patent Infringement Lawsuits 12/24/03

http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=104&STORY=/www/story/12-24-2003/0002080751&EDATE=

Patriot Scientific Files Lawsuits to Enforce Patents 12/23/03

http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=104&STORY=/www/story/12-23-2003/0002080317&EDATE=

Patriot Scientific Corp. Outlines Business Developments at Annual Shareholders` Meeting 10/16/03

http://www.forrelease.com/D20031016/flth023.P1.10162003160758.27973.html

Patriot Scientific Corp. Concludes Royalty Stream from Gas Plasma Antenna Sale 10/13/03

http://www.forrelease.com/D20031013/flm011.P1.10132003104410.24263.html

Patriot Scientific Announces IGNITE(TM) Embedded Processor Developed for Altera Devices 9/30/03

http://www.fpgajournal.com/news_stories/20030930_01.htm

Patriot Scientific Awarded Key Patent For Fundamental Microprocessor Technology 8/7/03

http://www.eetimes.com/article/showArticle.jhtml?articleId=18309168

Falk Trust To Begin Distribution of Assets Including Shares of Patriot Scientific 7/25/03

http://www.us.design-reuse.com/news/?id=5985&print=yes

Patriot Scientific Retains Hawk Associates For Investor Relations and Financial Media Relations 6/30/03

http://www.prnewswire.com/cgi-bin/stories.pl?ACCT=104&STORY=/www/story/06-30-2003/0001973677&EDATE=

Appellate Court Affirms Patriot Scientific Corp.`s Technology Litigation Suit 6/12/03

http://www.businesswire.com/webbox/bw.061203/231635349.htm

Vanu Ports Its Radio Description Language to PTSC`s IGNITE Microprocessors for Software Defined Radio Applications 6/9/03

http://www.businesswire.com/webbox/bw.060903/231605674.htm

PTSC CEO Announces Initial Notification Phase of Intellectual Property Compliance Program 5/1/03

http://www.businesswire.com/webbox/bw.050103/231215421.htm

General Dynamics Licenses The PTSC IGNITE Microprocessor 4/17/03

http://www.us.design-reuse.com/news/news5388.html

Patriot Scientific Corp. Renegotiates Outstanding Warrants; Investors Reiterate Support for Company 3/20/03

http://www.businesswire.com/webbox/bw.032003/230795230.htm

PTSC Fabricates the First Advanced Soft-Generation 360MHz IGNITE Silicon Implementation 3/12/03

http://www.businesswire.com/webbox/bw.031203/230715459.htm

Patriot Scientific Corp. Selected to Present at the 2003 China International Integrated Circuit Exhibition & Seminar 3/6/03

http://www.businesswire.com/webbox/bw.030603/230655332.htm

PTSC Granted Patent by European Patent Office for Its Unique RISC Microprocessor Architecture 2/3/03

http://www.businesswire.com/webbox/bw.020303/230340383.htm

Patriot Scientific Corp. Releases Smart Card Industry`s First Single Cycle Memory Access Validation Suite 1/10/03

http://www.businesswire.com/webbox/bw.011003/230100107.htm

CEO`s letter to the shareholders 11/30/02

http://www.ptsc.com/investors/note5.htm

Patriot Scientific Corp. Selects Beatie and Osborn LLP to Augment Its Intellectual Property Licensing Enforcement Team 11/4/02

http://www.businesswire.com/cgi-bin/f_headline.cgi?bw.110402/223080346&ticker=PTSC

Patriot Scientific Corp. Executes a Memorandum of Understanding With a Major Semiconductor Company in China 10/31/02

http://www.businesswire.com/webbox/bw.103102/223040237.htm

Patriot Scientific Corp. Delivers a New Tool to Major Smart Card and Wireless Product Developers 10/2/02

http://www.highbeam.com/library/docfree.asp?DOCID=1G1:92809410&ctrlInfo=Round20%3AMode20d%3ADocG%3AResult&ao=

Patriot Scientific Corp. Receives LOI for Smart Card Products From a Major Chinese Manufacturer to Address Its Expanding Domestic Market 9/26/02

http://www.businesswire.com/webbox/bw.092602/222690199.htm

PTSC New CEO Jeff Wallin Discusses Company Direction 4/2/02

http://www.businesswire.com/cgi-bin/f_headline.cgi?bw.040202/220922170&ticker=PTSC

PTSC Announces Acceptance Of QThink As Their First Certified Design Center 3/26/02

http://www.businesswire.com/cgi-bin/f_headline.cgi?bw.032602/220852284&ticker=PTSC

Industry Veteran Jeff Wallin Appointed as President and Ceo of Patriot Scientific 3/12/02

http://www.businesswire.com/cgi-bin/f_headline.cgi?bw.031202/220712402&ticker=PTSC

PTSC Announces Selection By Pulse-LINK For Ultra Wideband Technology Products 2/26/02

http://www.businesswire.com/cgi-bin/f_headline.cgi?bw.022602/220570255&ticker=PTSC

Management Buys PTSC Shares On The Open Market 2/7/02

http://www.businesswire.com/cgi-bin/f_headline.cgi?bw.020702/220382475&ticker=PTSC

Tech Industry Experts Assign Fair Market Value of $187 Million to Four of PTSC`S Patents; Company Moves Forward With ``System on a Chip`` Solution 11/29/01

http://www.businesswire.com/webbox/bw.112901/213332120.htm

Ignite Patents Included in PTSC`s Core Microprocessor Technology Receive Preliminary Fair Market Evaluation in Excess of $120 Million 11/5/01

http://www.businesswire.com/cgi-bin/f_headline.cgi?bw.110501/213092357&ticker=PTSC

PTSC Retains Inavisis, Inc., to Evaluate Its Technology Assets; Setting Market Value of Patents & Intellectual Property is Goal 10/12/01

http://www.businesswire.com/webbox/bw.101201/212850517.htm

PTSC Assembles Board of Advisors; New Board Adds Wealth of Entrepreneurial Business Experience, Top-Level Leadership, and Extensive Industry Contacts to PTSC 10/11/01

http://www.businesswire.com/cgi-bin/f_headline.cgi?bw.101101/212840655&ticker=PTSC

PTSC Announces C-911 Technology; Technology To Make Cordless Phones More Reliable for Emergency Calls 10/10/01

http://www.businesswire.com/cgi-bin/f_headline.cgi?bw.101001/212832114&ticker=PTSC

PTSC Announces Faster 350 MHz Embedded Microprocessor; New Technology Provides Enhanced Benefits to Consumers 9/26/01

http://www.businesswire.com/webbox/bw.092601/212690292.htm

PTSC Announces Patent Rights 8/3/01

http://www.businesswire.com/webbox/bw.080301/212150133.htm

PTSC Announces New Integrated OSGi Suite for Rapid Development of Gateways 6/28/01

http://www.businesswire.com/cgi-bin/f_headline.cgi?bw.062801/211790010&ticker=PTSC

PTSC Announces New JAVASeed Processor Technology 6/26/01

http://www.businesswire.com/webbox/bw.062601/211772017.htm

Wall Street Corner...Larry Oakley`s review of PTSC 5/19/01

http://www.wallstreetcorner.com/stockpick.html?ID=102&Unique=yes (page 1)

http://www.wallstreetcorner.com/new_lop.html?ID=77&Unique=yes (page 2)

PTSC Introduces an Operational Enhancement Platform for Wireless Products, Applications and Services 4/16/01

http://www.businesswire.com/cgi-bin/f_headline.cgi?bw.041601/211062011&ticker=PTSC

PTSC Technology Receives ``Java Powered`` Certification 4/6/01

http://www.businesswire.com/cgi-bin/f_headline.cgi?bw.040601/210960022&ticker=PTSC

PTSC Demonstrates IGNITE I Product Family With Sun Microsystems At Embedded Systems Conference -- San Francisco, April 10-12, 2001 3/26/01

http://www.findarticles.com/p/articles/mi_m0EIN/is_2001_March_26/ai_72303760

Wall Street Research Announces Investment Opinion on Patriot Scientific Corp. 3/13/01

http://www.businesswire.com/cgi-bin/f_headline.cgi?bw.031301/210720467&ticker=PTSC

PTSC Patents Key Technology to Expand Potential of Web-Enabled Wireless Devices 2/8/01

http://www.embeddedtechnology.com/content/news/article.asp?DocID={239A4316-FDF0-11D4-A770-00D0B7694F32}&Bucket=HomeLatestHeadlines&VNETCOOKIE=NO

Patent Addendum 2/12/01 http://www.ptsc.com/press/press_content_addendum.html

PTSC News Archive: http://www.ptsc.com/news/archive.asp

Patriot`s $30 million equity line of credit with Swartz Private Equity, LLC goes effective 7/6/00:

http://industry.java.sun.com/javanews/stories/story2/0,1072,27498,00.html

Patriot named as one of Sun Microsystems silicon partners from 6/6/00:

http://www.sun.com/smi/Press/sunflash/2000-06/sunflash.20000606.13.html

Patriot Scientific`s PSC1000A microprocessor core licensed by unit of Japanese electronics industry association 2/8/99:

http://www.highbeam.com/library/docfree.asp?DOCID=1G1:53724710&ctrlInfo=Round20%3AMode20d%3ADocG%3AResult&ao=

SEC Filings: http://finance.yahoo.com/q/sec?s=PTSC.OB

Patents

U.S. Patents

5,530,890 High performance, low cost microprocessor June 25, 1996

http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=5,530,890.PN.&OS=PN/5,530,890&RS=PN/5,530,890

5,440,749 High performance, low cost microprocessor architecture August 8, 1995

http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=5,440,749.PN.&OS=PN/5,440,749&RS=PN/5,440,749

5,457,784 Interfacing system using an auto-adapting multi-ported control module between an i/o port and a plurality of peripheral adaptors via bus extending cables October 10, 1995

http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=5,457,784.PN.&OS=PN/5,457,784&RS=PN/5,457,784

5,604,915 Data processing system having load dependent bus timing February 18, 1997

http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=5,604,915.PN.&OS=PN/5,604,915&RS=PN/5,604,915

5,659,703 Microprocessor system with hierarchical stack and method of operation August 19, 1997

http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=5,659,703.PN.&OS=PN/5,659,703&RS=PN/5,659,703

5,784,584 High performance microprocessor using instructions that operate within instruction groups July 21, 1998

http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=5,784,584.PN.&OS=PN/5,784,584&RS=PN/5,784,584

5,809,336 High performance microprocessor having variable speed system clock September 15, 1998

http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=5,809,336.PN.&OS=PN/5,809,336&RS=PN/5,809,336

6,598,148 High performance microprocessor having variable speed system clock July 22, 2003

http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=6,598,148.PN.&OS=PN/6,598,148&RS=PN/6,598,148

European Patents

EP0786730 B1 High performance, low cost microprocessor (Publication Date: July 30,1997)

http://v3.espacenet.com/textdoc?DB=EPODOC&IDX=EP0786730

EP0870226 B1 RISC microprocessor architecture (Publication Date: October 14, 1998)

http://v3.espacenet.com/textdoc?DB=EPODOC&IDX=EP0870226

WO2002US02688 20020129 (Patent Application) System and method for optimizing power/performance in network-centric microprocessor-controlled devices August 15, 2002

http://v3.espacenet.com/textdoc?DB=EPODOC&IDX=WO02063467

Partners & Clients Home Pages

Alliacense: http://www.alliacense.com/

Altera Corporation: http://www.altera.com /

AMD Advanced Micro Devices, Inc: http://www.amd.com/us-en/

Casio Computer Co., Ltd: http://www.casio.com/

Cyberonix, Inc: http://www.cyberonix.net

Derivation Systems: http://www.derivation.com /

Espial: http://www.espial.com/

Fujitsu Limited: http://www.fujitsu.com/global/

General Dynamics Decision Systems: http://www.gdc4s.com/

Hewlett-Packard Development Company, L.P.: http://www.hp.com/

The Hoffman Agency: http://www.hoffman.com/

Inavisis, Inc (PTSC`s IP Evaluator): http://www.inavisis.com /

Intel Corporation: http://www.intel.com/

Jim Turley`s website: http://www.jimturley.com/

Kenwood Corporation: http://www.kenwood.com/

Mitsubishi Electric Automation, Inc: http://www.meau.com/

Nikon Corporation: http://www.nikon.com/

Olympus Corporation: http://www.olympus-global.com/en/global/

Open Services Gateway Initiative (OSGI): http://www.osgi.org /

Pentax Corporation: http://www.pentax.com/

ProSyst`s Home Page: http://www.prosyst.com/index.html

Pulse~Link, Inc: http://www.pulse-link.com

QThink`s Home Page: http://www.qthink.com /

Seiko Epson Corporation: http://www.epson.com/

Skelmir`s Home Page: http://www.skelmir.com /

Sony Corporation: http://www.sony.net/

Sun MicroSystems: http://www.sun.com / or for java specific: http://java.sun.com /

Synopsys Home Page: http://www.synopsys.com /

Townsend, Townsend, and Crew LLP: (PTSC/TPL`s lead patent litigator) http://www.townsend.com/

TPL Group: http://www.tplgroup.net/

Vanu, Inc. Software Radio: http://www.vanu.com /

Video Propulsion`s Home Page: http://www.videopropulsion.com /

Wind River Systems: http://www.windriver.com/

IGNITE I / IGNITE II / INFLAME I Core Processors

http://www.ptsc.com/products/index.asp

EEMBC Consumer Benchmarks

http://www.ptsc.com/benchmark/index.asp

Forth, Inc: http://www.forth.com/index.html

Go PTSC Onwards and Upwards!

Cheers~