X0303 4 2010-01-15 0 0001059324 PETROHAWK ENERGY CORP HK 0000936305 WILSON FLOYD C 1000 LOUISIANA SUITE 5600 HOUSTON TX 77002 1 1 0 0 Chairman of Board and CEO Common Stock 2010-01-15 4 S 0 800 26.16 D 2926686 D Common Stock 2010-01-15 4 S 0 100 26.17 D 2926586 D Common Stock 2010-01-15 4 S 0 1400 26.18 D 2925186 D Common Stock 2010-01-15 4 S 0 2295 26.19 D 2922891 D Common Stock 2010-01-15 4 S 0 205 26.20 D 2922686 D Common Stock 2010-01-15 4 S 0 600 26.22 D 2922086 D Common Stock 2010-01-15 4 S 0 2000 26.24 D 2920086 D Common Stock 2010-01-15 4 S 0 300 26.25 D 2919786 D Common Stock 2010-01-15 4 S 0 1525 26.26 D 2918261 D Common Stock 2010-01-15 4 S 0 104 26.27 D 2918157 D Common Stock 2010-01-15 4 S 0 431 26.28 D 2917726 D Common Stock 2010-01-15 4 S 0 300 26.32 D 2917426 D Common Stock 2010-01-15 4 S 0 700 26.37 D 2916726 D Common Stock 2010-01-15 4 S 0 100 26.38 D 2916626 D Common Stock 2010-01-15 4 S 0 750 26.39 D 2915876 D Common Stock 2010-01-15 4 S 0 300 26.51 D 2915576 D Common Stock 200000 I By GRAT These shares were previously reported as directly beneficially owned but were contributed to a grantor retained annuity trust on July 7, 2009. This report is three of three. The total number of shares sold by the reporting person on January 15, 2010 was 250,000. Floyd C. Wilson 2010-01-15