Particle Drilling Technologies, Inc.  



PDTI equipment mobilizing to location at Rocky Mountain Oilfield Testing Center, Natrona County, Wyoming.

Particle Drilling Technologies, Inc. Announces New Transfer Agent and Registrar

HOUSTON, Sept. 6 /PRNewswire-FirstCall/ -- Particle Drilling Technologies, Inc. (Nasdaq: PDRT - News) today announced that it has appointed Computershare Trust Company, Inc. to serve as the company's transfer agent and registrar for its common stock. Effective September 2, 2005, all inquiries and correspondence regarding Particle Drilling Technologies common stock relating to stockholder records, transfer of shares, lost certificates, or change of address should be directed to Computershare.

Computershare is a leading financial market services and technology provider for the global securities industry. Computershare manages more than 60 million shareholder accounts for over 7,000 corporations. Operating on five continents, Computershare provides services and solutions to listed companies, investors, employees, exchanges and other financial institutions.

Particle Drilling Technologies, Inc., headquartered in Houston, Texas, is a development stage oilfield service and technology company owning certain patents and pending patents related to the Particle Impact Drilling technology. The Company's technology is designed to enhance the rate-of- penetration function in the drilling process, particularly in hard rock drilling environments.

Certain statements in this press release that are not historical but are forward-looking are subject to known and unknown risks and uncertainties, which may cause PDTI's actual results in future periods to be materially different from any future performance that may be suggested in this press release. Such risks and uncertainties may include, but are not limited to, PDTI's ability to raise equity capital, if necessary, and its ability to obtain equity financing on acceptable terms, if at all, a severe worldwide slowdown in the energy services sector and working capital constraints. Further, PDTI is a development stage company that operates in an industry sector where securities values are highly volatile and may be influenced by economic and other factors beyond PDTI's control such as announcements by competitors and service providers.



Telephone Inquiries: 1-303-262-0600
Website: http://www.computershare.com/
Email Address: DenTeam2@computershare.com
Address: Computershare Trust Company, Inc.
350 Indiana Street, Suite 800
Golden CO 80401



Contacts:
J. Chris Boswell, SVP & CFO
Particle Drilling Technologies, Inc.
713-223-3031 ext. 204.

Ken Dennard, Managing Partner
Jack Lascar, Partner
DRG&E / 713-529-6600