Particle Drilling Technologies Inc.

Greg Galloway joined PDTI in February 2006 as Vice President of Engineering and Operations. He has over 26 years of experience relevant to PDTI in the drilling and oilfield services industry. Mr. Galloway served as Global Product Line Manager for Weatherford International, where he focused on drilling hazard mitigation which included drilling with casing, expandable tubulars and managed pressure drilling techniques. Mr. Galloway is an innovative manager with a strong technical reputation in leading edge technologies and drilling performance enhancements. Throughout his career, he has demonstrated the ability to build highly skilled teams that achieve results and deliver significant drilling performance improvements by using new innovative products and services. He has a proven track record of accurately forecasting markets and achieving results in those markets. Mr. Galloway is a published author of numerous technical papers and magazine articles in the oilfield industry and holds a number of patents. Prior to Weatherford, Mr. Galloway spent two years with Ryan Energy Technologies, Inc. ("Ryan") in Senior Technical Sales. In this capacity, he provided customers with an engineered approach to drilling directional wells with a focus on improving hole quality, enhancing drilling performance and reducing trouble time. While at Ryan, he participated in planning and drilling of some of the highest MRI(R) (Mechanical Risk Index(TM)) wells in the Gulf of Mexico achieving some of the highest footage per day of all wells drilled in the period. Prior to Ryan, Mr. Galloway spent 20 years with Baker Hughes Inc. ("Baker") in various operational and management level positions, including management roles surrounding Baker's Drilling Optimization service, where he hired and trained numerous drilling optimization engineers in both North and South America.

Mr. Hardisty has served as Senior Vice President, Corporate Development of PDTI since June 2004. Mr. Hardisty had previously served as Director and Senior Vice President, Corporate Development of Particle Drilling, Inc. from June 2003 until it was merged into PDTI in June 2004, and was also a Director from June 2004 until January 2006. Mr. Hardisty has over 22 years of experience in the oil and gas industry, primarily in the area of land management, contracts and corporate development, and is co-founder of the company. From January 2001 until June 2003, Mr. Hardisty was Vice President, Land of Shoreline Partners LLC, an independent exploration company and from January 2000 until January 2001, Vice President, Land of Benz Resources LLC, a consulting firm charged with managing certain exploration properties acquired by Harken Energy Corporation. From May 1999 until January 2000, Mr. Hardisty was a Land Manager for Texstar Energy Inc. responsible for divesting certain of the company's exploration projects in the Texas Gulf Coast and Mississippi areas. From 1994 until May 1999, Mr. Hardisty was Division Landman for PetroCorp Inc. responsible for company land positions, contract negotiations and partner relations in exploration and development projects in PetroCorp's Gulf Coast, Rockies and Canada Division. From 1984 until 1994, Mr. Hardisty was a land consultant and later Senior Project Manager for Roger A. Soape Inc. in Houston, Texas. Mr. Hardisty graduated from the University of Texas at Austin in 1984 with a BBA in Petroleum Land Management. He is a member of the American Association of Drilling Engineers (AADE), the American Association of Professional Landmen (AAPL) and the Houston Association of Professional Landmen (HAPL). Mr. Hardisty recently served as a Director of HAPL and is past Chairman of the HAPL Ethics Committee and past Chairman of HAPL Membership Committee.

Ken R. LeSuer was elected Chairman of PDTI in December 2004 after serving as Vice Chairman of PDTI since June 2004. Mr. LeSuer retired in 1999 as Vice Chairman of Halliburton Company. Since his retirement from Halliburton in 1999, Mr. LeSuer has been a private investor. Prior to becoming the Vice Chairman of Halliburton in May 1997, Mr. LeSuer served as both the President and CEO of Halliburton Energy Services from March 1994 to September 1996 and as President and CEO of Halliburton Energy Group from September 1996 to May 1997. He also served as President and CEO of three Halliburton units during his tenure. Mr. LeSuer began his career with Halliburton as an engineer-in-training in 1959. From 1965 through 1982, he served in managerial positions in Asia Pacific and Europe/Africa and was serving as vice president of Europe/Africa before returning to Duncan, Oklahoma to assume the position of vice president of International Operations in 1982. Mr. LeSuer was a member of the Texas A&M University Petroleum Engineering Industry Board, as well as the TAMU Dwight Look College of Engineering External Advisory and Development Council. He has served as Vice President Services Division of the International Association of Drilling Contractors, and is or at one time was a member of numerous petroleum and geological engineering societies, including Society of Petroleum Engineers, the American Petroleum Institute, the National Ocean Industries Association, and the Petroleum Equipment Suppliers Association. Mr. LeSuer received his bachelor's degree in petroleum engineering from Texas A&M University in 1959. Mr. LeSuer is also a director of Horizon Offshore, Inc. (NNM: HOFF).

Byron Dunn has served as a Director since November 2007. Mr. Dunn has served as the President and Chief Executive Officer of IDM Group since December 2007. From September 2005 to December 2007, Mr. Dunn has served as Senior Vice President, Corporate Development of Harvest Natural Resources, Inc., an independent energy company engaged in the acquisition, development, production and disposition of oil and natural gas properties. Mr. Dunn previously served on Harvest's Board of Directors and was a member of the Audit and Compensation committees. From 2003 through 2005, Mr. Dunn was with National Oilwell, Inc., as Vice President, Corporate Business Development. In that capacity he chaired the National Oilwell/Varco integration team, served as President of Eastern Hemisphere Rig Solutions, and Chairman of the Board of TTS Marine ASA, a Bergen Norway ship's equipment manufacturer. From 1997 to 2003, Mr. Dunn held increasingly responsible roles in UBS global energy and power investment banking group. Earlier in his career, Mr. Dunn was Manager of Upstream Business Development and Acquisitions for Phibro Energy and production and reservoir engineer for Chevron USA. Mr. Dunn holds a Bachelor of Science degree in Chemical Engineering from the Illinois Institute of Technology, a Master of Business Administration degree with a specialization in finance from the University of Chicago, and is a Chartered Financial Analyst. Mr. Dunn is a member of the Board of Directors of Citizens National Bank.

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Steve A. Weyel has served as a Director of PDTI since May 2005. Since July 2005, Mr. Weyel has served as President and Chief Operating Officer of Energy XXI Acquisition Corporation (Bermuda) Limited. Previously, Mr. Weyel co-founded and was a principal, and President and Chief Operating Officer of EnerVen LLC, a privately-held company with strategic ventures in the energy industry. EnerVen's businesses include the start-up of WesCo LLC, a gas compression services company, and EnerVen Compression Services, a joint venture company with Enogex Inc., an unregulated subsidiary of OGE Energy Corp. (NYSE: OGE), providing compression asset rentals. Mr. Weyel was a principal of EnerVen LLC commencing in 2001 and sold his membership interests in EnerVen in September 2005 and resigned as an officer and director of EnerVen at that time. From 1999 until he co-founded EnerVen in 2001, Mr. Weyel was President of InterGen North America, a Shell Bechtel joint venture in the gas and power business. While President of InterGen, Mr. Weyel was responsible for the acquisition and management of gas assets, including gas storage, midstream gas assets and over 15,000 miles of regulated pipelines, development of greenfield merchant power projects, and board-level oversight of InterGen's equity ownership in Coral Marketing and Trading. Mr. Weyel was employed by Dynegy Corporation (previously known as Natural Gas Clearinghouse and then NGC Corporation) from 1994 to 1999. While at Dynegy, he served in several senior executive leadership roles, including Senior Vice President Power Development from 1998 to 1999. Mr. Weyel began his career with Baker Hughes in 1976 and rotated through a variety of assignments, including responsibility for Baker Production Service's operations in North and South America. In 1985 he formed a start-up technology and engineering driven oilfield services company, Resource Technology Corporation ("RTC"), evaluating oil and gas reserves around the world. RTC's assets and ongoing operations were later sold to John Wood Group PLC in 1993. Mr. Weyel is a 1976 graduate of Texas A&M University and received his MBA from the University of Texas at Austin in 1989.