X0303 4 2009-04-17 0 0000759153 PARTICLE DRILLING TECHNOLOGIES INC/NV PDRT 0001443533 Davis Jason 5611 BAIRD CRT HOUSTON TX 77041 0 1 0 0 Interim Chief Financial Office common stock 2009-04-17 4 A 0 140000 0 A 174669 D Includes 165,883 shares of restricted stock. 2,500 of such shares become non-forfeitable on July 5, 2009; 3,333 of such shares become non-forfeitable on October 24, 2009; and 20,000 of such shares become non-forfeitable in 1/3 increments on each of June 23, 2009, 2010, and 2011. Includes 140,000 shares of restricted stock that become non-forfeitable on August 15, 2009. /s/ Jason D. Davis 2009-05-01