Stock Trading History of Hardisty Thomas E

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Hardisty Thomas E since year 2005. The trader's CIK number is 1308915. At the time of this reporting, Hardisty Thomas E is the Senior Vice President of Particle Drilling Technologies Inc/nv (stock ticker symbol PDRT).

Stock purchases, sales, and option exercises reported by *Hardisty Thomas E* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-05-22	PDRT	Particle Drilling Technologies Inc/nv	Sale	3,300	2.85	9,405
2007-05-23	PDRT	Particle Drilling Technologies Inc/nv	Sale	14,700	2.85	41,895
2006-09-15	PDRT	Particle Drilling Technologies Inc/nv	Sale	5,000	2.73	13,650
2006-08-15	PDRT	Particle Drilling Technologies Inc/nv	Sale	5,000	2.98	14,900
2006-07-17	PDRT	Particle Drilling Technologies Inc/nv	Sale	5,000	3.17	15,850

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Hardisty Thomas E (Senior Vice President of Particle Drilling Technologies Inc/nv at the time of this reporting) see the Securities and Exchange Commission (SEC) website.