PARTICLE DRILLING TECHNOLOGIES TO PRESENT AT THE IPAA 2007 OIL & GAS INVESTMENT SYMPOSIUM IN NEW YORK

Houston - April 18, 2007 – Particle Drilling Technologies, Inc. (NASDAQ: PDRT) today announced that the Company will be presenting at the Independent Petroleum Association of America (IPAA) Oil and Gas Investment Symposium to be held in New York City on April 23-25, 2007.

Jim B. Terry, Particle Drilling's President and Chief Executive Officer, is scheduled to present on Tuesday, April 24, 2007 at 3:20 pm Eastern Time. The presentation will be broadcast live over the Internet and is expected to last approximately twenty minutes. The webcast link will be available on the Company's website at www.particledrilling.com. A replay of the presentation will be archived on the website shortly after the presentation is concluded.

About Particle Drilling Technologies, Inc.

Particle Drilling Technologies, Inc. (NASDAQ: PDRT) is a development-stage oilfield service and technology company commercializing its patented and patent-pending Particle Impact Drilling system. The company's technology is designed to enhance the rate-of-penetration function in the drilling process, particularly in hard-rock environments. It is headquartered in Houston, Texas. For more information, visit: www.particledrilling.com.