Particle Drilling Technologies, Inc.  



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

Particle Drilling Technologies Announces Third Fiscal Quarter 2006 Earnings and Conference Call Schedule

HOUSTON, July 27 /PRNewswire-FirstCall/ -- Particle Drilling Technologies, Inc. (Nasdaq: PDRT) announced today plans to release third fiscal quarter 2006 results on Tuesday, August 8, 2006 after the market closes. In conjunction with the release, Particle Drilling has scheduled a conference call, which will be broadcast live over the Internet on Wednesday, August 9, 2006 at 10:00 a.m. eastern time (9:00 a.m. central). The Company plans to provide an operations update and a review of the quarterly results.

    What:   Particle Drilling Technologies, Inc.
            Third Fiscal Quarter Conference Call

    When:   August 9, 2006 - 10:00 a.m. eastern time

    Where:  Live via phone by dialing 303-262-2075
            and asking for the Particle Drilling call
            at least 10 minutes prior to the start time.
            Investors may also listen to the conference
            live on the Particle Drilling website,
            www.particledrilling.com, on the "Investor
            Relations" section of the site

A telephonic replay of the conference call will be available through August 16, 2006 and may be accessed by calling 303-590-3000 and using passcode 11066858. A web cast archive will also be available at /, on the "Investor Relations" section of the Company's website, shortly after the call and will be accessible for approximately 90 days. For more information, please contact Donna Washburn at DRG&E at 713-529- 6600 or email dmw@drg-e.com.

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.

Contacts:
J. Chris Boswell, SVP & CFO
Particle Drilling Technologies, Inc.
713-223-3031 ext. 2085

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