Particle Drilling Technologies, Inc.  



Particle Impact Drilling equipment on location, Rocky Mountain Oilfield Testing Center (RMOTC) drillsite, Natrona County, Wyoming.

Particle Drilling Technologies to Preside Over NASDAQ Closing Bell on October 3, 2005

HOUSTON, Sept. 28 /PRNewswire-FirstCall/ -- Particle Drilling Technologies, Inc. (Nasdaq: PDRT - News), owner of the Particle Impact Drilling Technology, today announced that John D. Schiller, Jr., Interim Chief Executive Officer, will preside over the NASDAQ Stock Market Closing Bell on October 3, 2005 at 4:00 p.m. EDT, in celebration of the Company's achieving numerous milestones, including the listing of its common stock on the NASDAQ Capital Market on June 28, 2005.

In addition to being broadcast on national business television at 4:00 p.m. EDT, the bell-ringing ceremony will be webcast live on NASDAQ's website from 3:50 p.m. to 4:05 p.m. EDT and on the NASDAQ Tower in Times Square. Interested parties should go to http://www.nasdaq.com/reference/marketsite_about.stm.

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.

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