HomelandDefenseStocks.com Homeland Security Stocks and Industry Online Conference - Recent Additions

POINT ROBERTS, Wash.; March 16, 2005 - www.HomelandDefenseStocks.com (HDS), an investor news portal for the homeland defense and security sector, is pleased to provide an update for investors and industry regarding the second HDS online Homeland Security Investor Conference, to be held April 6, 2005. The conference format will be an audio and accompanying PowerPoint presentation, featuring industry analysts and experts and presenting public companies. The speaker’s panel includes Roger W. Cressey, an on-air counterterrorism analyst for NBC News; Mr. Jack Mallon, Mallon and Associates; Brian Ruttenbur, Equity Research Analyst - Morgan Keegan & Co. Inc.; Scott Sacknoff, President, The Spade Defense Index®; Dr. R. Soundararajan, President, Hanford Nuclear Services; and, W. David Stephenson, Homeland Security Consultant, Writer, and Lecturer.

A growing list of participating public companies currently includes: Aethlon Medical, Inc. (OTCBB: AEMD), CombiMatrix (NASDAQ: CBMX), Electronic Sensor Technology (OTCBB: ESNR), FaceKey(tm) Corporation (OTC.PK: FEKY), Global Matrechs, Inc (OTCBB: GMTH), Hawk Protection Systems, Inc. (OTC.PK: HWPR), Law Enforcement Associates (OTCBB: LENF), Markland Technologies, Inc. (OTCBB: MRKL), OnScreen Technology, Inc. (OTCBB: ONSC), Strategy X, Inc. (OTC.PK: SRGX), and Technest Holdings Inc (OTCBB: THNS).

The HDS online conference is anticipated to be the most-visited online homeland security investment conference to date, with www.Military.com (the largest online military destination site), PrimeZone's Homeland Security Newsline (http://www.primezone.com/hs/), and www.Defense-Update.com, acting as media sponsors. The conference will also be advertised on the National Homeland Security Knowledgebase http://www.twotigersonline.com/resources.html, recently acquired by HDS, and which currently averages over 900,000 unique visitors per month.

Early sign up is suggested: Free to investors and industry:

Forum/Conference link: http://www.homelanddefensestocks.com/forums/Portals/homelanddefense2.aspx

The HDS website does not make recommendations, but offers a unique free information portal to research news, exclusive articles, interviews, investor conferences and a growing list of participating public companies in the defense sector.

Presenting Industry Experts and Public Companies.

Participating Public Companies:

Aethlon Medical, Inc. (OTCBB: AEMD) is pioneering the development of viral filtration devices that rapidly reduce the presence of infectious disease and toxins in the body. Aethlon has published compelling human blood studies of the Hemopurifier(TM) to treat HIV/AIDS and Hepatitis-C (HCV), and most recently, has announced that it is developing pathogen filtration devices to treat infectious agents used in biological warfare and terrorism. www.AethlonMedical.com

CombiMatrix (NASDAQ: CBMX) has developed a core technology that is comprised of a semiconductor chip that enables the execution of multiple, independent nano scale chemical experiments in parallel. On March 8, 2004, CombiMatrix was awarded a $5.9 million contract from the U.S. Department of Defense for the continued development of its highly sensitive, flexible, and cost-effective systems for the detection of biological warfare agents. On July 22, 2004, CombiMatrix was awarded an additional $2.3 million for continued development of its biowarfare detection technology. www.combimatrix.com

Electronic Sensor Technology (OTCBB: ESNR) Founded in 1995, Electronic Sensor Technology has developed and patented a breakthrough chemical vapor analysis process. The company's product line is positioned to eliminate key vulnerabilities in the homeland security market, specifically in commercial building HV A C security, maritime port security, airport security, and border security. www.electronicsensortechnology.com

FaceKey(tm) Corporation (OTC.PK: FEKY) is the developer of a new generation of access control and time and attendance products. These products utilize the newest biometric technologies, fingerprint and face recognition, and where appropriate combines the biometric technologies with the best of the traditional card based technologies. All the products are designed to be compatible with the existing computer networks common in business today. www.facekey.com

Global Matrechs, Inc. (OTCBB: GMTH) is a licensed technologies business with emerging technologies for nuclear energy storage and containment, Homeland Security, environmental and chemical industries. EKOR™, the primary technology, is a silicon-based geocomposite radiation resistant coating/foam used to contain radioactive materials. www.globalmatrechs.com

Hawk Protection Systems, Inc. (OTC.PK: HWPR) is in the business of researching, developing, and engineering a wide range of security products and systems that are intended for use by government, military, and law enforcement agencies worldwide, as well as commercial security professionals. Business activities include: Explosives Detection, Contraband Detection, Chemical Detection, Mobile Surveillance Systems, Defense Engineering, Defense Consulting, Laser Technologies, Model Simulation, and Sales Representation. www.hawkps.com

Law Enforcement Associates (OTCBB: LENF) manufactures and markets a diverse line of undercover surveillance products including a complete line of audio surveillance equipment and a new less lethal technology for the Military, law enforcement, security and corrections personnel throughout the world. http://leacorp.com/

Markland Technologies, Inc. (OTCBB: MRKL) has four business segments, which address the needs of the Homeland Security marketplace: Chemical Detectors, Border Security, Advanced Technologies and Sensing Technologies for the U.S. Army, the U.S. Navy, the Department of Homeland Security, and various other U.S. Intelligence agencies. www.marklandtech.com

OnScreen Technology, Inc. (OTCBB: ONSC) Developing next-generation portable LED video displays utilizing a revolutionary patent-pending architecture that enables rapid signage and visual communication during catastrophic events. www.onscreentech.com and www.redialert.com

Strategy X, Inc. (OTC.PK: SRGX), features over 40 years of experience in the application of Modeling and Simulation, Performance Criteria and System Reliability, coupled with over 100 years of Security Management and On-Site Field experience in Installations, Integration Management and Security System Maintenance. The Strategy X, Inc. team consists of the original instructors and top team leaders and members from the effects based security assessment teams and installation, integration management and security system maintenance specialists used by the United States Air Force. Strategy X, Inc. professionals, specialists and experts have conducted performance based security assessments, installations, integration management and maintenance on all of the Air Force's highest priority resources and security systems including the nation's highest priority weapons systems.

Technest Holdings, Inc. (OTCBB: THNS) Majority owned by Markland Technologies (OTCBB: MRKL). Markland Technologies, Inc. announced on February 14, 2005 that it had completed a multi part transaction which included the purchase of majority ownership of Technest Holdings, Inc., and the subsequent purchase by Technest Holdings, Inc. of all of the stock of Maryland based Genex Technologies, Inc. (Genex). Genex had revenues for the fiscal year ended December 31, 2004 of approximately $5.5M. www.genextech.com

Industry Speakers: (more details: http://www.homelanddefensestocks.com/forums/Portals/homelanddefense2.aspx)

Roger W. Cressey, President of Good Harbor Consulting, served in senior cyber security and counterterrorism positions under the Clinton and Bush Administrations. He is an NBC News consultant and has been a crisis manager in Africa, the Middle East, and the Balkans. http://www.goodharbor.net/sides/aboutus-cressey.html

Jack Mallon, Mallon Associates, Investment Banker and Publisher of leading industry financial newsletter, Mallon's Security Report http://www.mallonassociates.com.

Brian Ruttenbur, Equity Research Analyst, Morgan Keegan & Co. Inc (http://www.morgankeegan.com): Homeland Security Technology

Scott Sacknoff, President SPADE Defense Index. The Spade Defense Index® (AMEX: DXS) is a modified capitalization-weighted index comprised of publicly traded companies that benchmarks the performance of companies involved with the defense, homeland security, and space marketplace.

The SPADE Defense Index has been developed to be used by investors, financial professionals, trade analysts, and media as a benchmark for publicly traded stocks involved in these business sectors. The Index can be used as the basis for a range of financial instruments including options and other derivatives, exchange traded funds, and conventional mutual funds.

Dr. R. Soundararajan - President, Hanford Nuclear Services, Inc. RMC Environmental and Analytical Laboratories

W. David Stephenson: Homeland Security Consultant, Writer, and Lecturer.
He created the "Terrorist Survival" suite of programs that put all the information necessary to prepare for and/or respond to a terrorist attack in an easy-to-use data base for handheld devices.

Media Sponsors:
Defense-Update.com is an online defense magazine published bi-monthly and updated continuously. Defense-Update.com covers various technological aspects of modern warfare, including some related to homeland security, counter-terror and force protection, which are relevant to your activity. www.Defense-Update.com

Military.com is the largest online military destination, offering free resources to serve, connect, and inform 30 million Americans with military affinity, including active duty, reservists, guard members, retirees, veterans, family members, defense workers and those considering military careers. Military.com helps defense contractors and agencies hire "security-cleared" and talented people, as well as reach procurement decision-makers and influencers. Military.com has 4 million members. www.Military.com

HOMELAND SECURITY NEWSLINE Homeland Security has become an important new beat at newspapers, wire services and broadcast media. PrimeZone has developed a distribution circuit that targets the specific reporters who cover homeland security. Since "security" is a global issue, PrimeZone has incorporated distributions to Canada and Europe as part of the Homeland Security Newsline. http://www.primezone.com/hs/

The Homeland Security Newsline includes distribution to thousands of media outlets and online sites, including International Internet sites such as Yahoo UK!, Stockhouse and Yahoo! Canada.

Hear HDS founder every Friday speaking on 'The Business of Homeland Security' - only on www.HomelandDefenseRadio.com

Read the exclusive InvestorIdeas.com Feature "The Insiders Corner", a weekly feature by well-known financial writer and author Michael Brush. http://investorideas.com/insiderscorner/

Investor Incite Newsletter
InvestorIdeas.com's free "Investor Incite" Newsletter consists of company and industry updates, investment research and developing trends in key areas such as Homeland Security, Renewable Energy, Nanotechnology and more.

TO SIGN UP, click here: www.InvestorIdeas.com/Resources/Newsletter.asp

Disclaimer: ECON Investor Relations Inc is the owner of the domain www.HomelandDefenseStocks.com. Our site does not make recommendations, but offers a unique information portal to investors to research news, articles, and recent research. Nothing on our sites should be construed as an offer or solicitation to buy or sell any specific products or securities. All investments involve risk. Although we attempt to research thoroughly, we offer no guarantees as to the accuracy of any information presented. We encourage all investors to use our sites only as a resource to further their own research. The site is currently compensated for by its "featured companies." Markland Technologies, Inc. currently pays ECON Ten Thousand Dollars per month. Markland has issued shares to ECON in the past and these payments are for the purpose of including Markland in articles and other promotions. Technest Holdings, Inc. *currently compensated under MRKL contract. Aethlon Medical, Inc.: Three Thousand Dollars per month plus restricted shares equivalent to Five Thousand Dollars per month. Electronic Sensor Technology: Four thousand dollars per month. Third party IR firm. FaceKey(tm) Corporation: Four thousand dollars per month. Third party IR firm. Global Matrechs, Inc: Seven thousand dollars per month equivalent in one forty-four shares. Hawk Protection Systems, Inc.: Four thousand dollars per month. Law Enforcement Associates: Four thousand dollars per month. OnScreen Technology Inc: Three Thousand Dollars. Disclaimer: www.InvestorIdeas.com/About/Disclaimer.asp

Public companies that would like to present and participate please contact HomelandDefenseStocks.com.
Participating companies must adhere to all SEC disclosure requirements.

Contact:

Dawn Van Zant / Trevor Ruehs
Toll free: 800-665-0411
Email: dvanzant@HomelandDefenseStocks.com, truehs@HomelandDefenseStocks.co