J. Chris Boswell, Senior Vice President and
Chief Financial Officer

J. Chris Boswell, 47, has served as Senior Vice President and Chief Financial Officer of PDTI since June 2004. He also served as a Director from June 2004 until March 2006. Mr. Boswell had previously served as a Director and Senior Vice President and Chief Financial Officer of Particle Drilling, Inc. from August 2003 until it was merged into PDTI in June 2004. Mr. Boswell has over 21 years of experience in financial management focused in the energy industry. Prior to his service with PDTI, he served as Senior Vice President and Chief Financial Officer of Petroleum Geo-Services ASA (NYSE: PGS) from December 1995 until October 2002. PGS grew from a small company in 1994 when Mr. Boswell first joined the company to a large multi-national company with annual revenues in excess of $1 billion and a peak enterprise value of approximately $6 billion. In all, during his tenure as CFO at PGS, Mr. Boswell directed financings of over $3 billion to support capital expenditures, acquisitions and to facilitate PGS’ growth. Additionally during 1995, Mr. Boswell and other senior executives at PGS developed the concept to create a unique oil and gas company using a nonexclusive license in PGS’ seismic data library as seed capital. This company became Spinnaker Exploration (NYSE: SKE), which was then sold to Norsk Hydro ASA (NYSE:NHY) for approximately $2.4 billion. He began his career at Arthur Andersen & Co. He later served in management positions with Price Waterhouse in Houston, Texas. Mr. Boswell is a 1984 graduate of the University of Texas at Austin where he received a Bachelor of Business Administration.