Applied DNA Sciences to Launch SigNature DNA and Strong Authentication in Europe at CARTES & IDentification 2009 in Paris

STONY BROOK, NY--(Marketwire - September 29, 2009) - Applied DNA Sciences, Inc. (OTCBB: APDN), a provider of DNA-based security solutions, will officially launch SigNature DNA in Europe at CARTES & IDentification 2009 at Paris-Nord Villepinte Exhibition Centre, France. This is the most important international show about technological innovation in the fields of identification, biometry and authentication.

Co-exhibiting with its strategic partner, Printcolor Screen Ltd (Switzerland), APDN will have the opportunity to present SigNature DNA and the strength of its DNA authentication which has already gained traction in the UK for Cash-and-Valuables-In-Transit. Botanical, forensic and customized, SigNature DNA represents the highest level of security and authentication currently available.

Dr. James Hayward, CEO of APDN, stated, "We are pleased to be co-exhibiting with Printcolor who have designed a state-of-the-art exhibit that will provide us with the optimal platform to showcase SigNature DNA and demonstrate our forensic capabilities."

APDN will showcase its latest technical and business developments and meet with various governmental and commercial customers. Over 20,000 attendees with over 1,500 congress attendees from over 140 countries will be exhibiting the world's most advanced, best-in-breed technologies, including unique SigNature DNA.

"CARTES also provides us with the opportunity to introduce DNA to smartcards, secure documents and printing, as well as provide access to senior decision makers in international insurance, banking, finance, government agencies, military, police and the health sector," commented MeiLin Wan, APDN Director of Project Management.

About APDN

APDN sells patented DNA security solutions to protect products, brands and intellectual property from counterfeiting and diversion. SigNature DNA is a botanical mark used to authenticate products in a unique manner that essentially cannot be copied. APDN also provides BioMaterial GenoTyping™ by detecting genomic DNA in natural materials to authenticate finished products. Both technologies protect brands and products in a wide range of industries and provide a forensic chain of evidence that can be used to prosecute perpetrators. To learn more, go to www.adnas.com where APDN routinely posts all press releases.

The statements made by APDN may be forward-looking in nature and are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Forward-looking statements describe APDN's future plans, projections, strategies and expectations, and are based on assumptions and involve a number of risks and uncertainties, many of which are beyond the control of APDN. Actual results could differ materially from those projected due to our short operating history, limited financial resources, limited market acceptance, market competition and various other factors detailed from time to time in APDN's SEC reports and filings, including our Annual Report on Form 10-K, filed on December 16, 2008 and our subsequent quarterly reports on Form 10-Q. APDN undertakes no obligation to update publicly any forward-looking statements to reflect new information, events or circumstances after the date hereof to reflect the occurrence of unanticipated events.

Contact Information: INVESTOR CONTACT: Debbie Bailey 631-444-8090 fax: 631-444-8848 MEDIA CONTACT: Janice Meraglia 631-444-6293 fax: 631-444-8848 FCMN Contact: Web site: http://www.adnas.com