STONY BROOK, NY--(Marketwire - October 21, 2008) - Applied DNA Sciences, Inc. (OTCBB: APDN), a provider of DNA-based security solutions, today announced that it's President & CEO, Dr. James Hayward, will invest an additional $500,000, increasing his total financial commitment in the company to $1.35 million. This financing underlies Dr. Hayward's continuing confidence and optimism in the future of the company. The funding is in the form of a secured convertible promissory note and warrants to purchase shares of the company's common stock.