X0202 4 2005-07-11 0 0001059324 PETROHAWK ENERGY CORP HAWK 0001290913 EnCap Equity Fund IV GP, LP 1100 LOUISIANA SUITE 3150 HOUSTON TX 77002 0 0 1 0 Common Stock 2005-07-11 4 J 0 924 10.80 A 12025613 I by EnCap Energy Capital Fund IV L.P. and PHAWK LLC Represents 462 shares of Common Stock granted to EnCap Energy Capital Fund IV, L.P. as compensation for David B. Miller serving on the Issuer's Board of Directors and 462 shares of Common Stock granted to EnCap Capital Fund IV, L.P. as compensation for D. Martin Phillips serving on the Issuer's Board of Directors Represents 29,856 shares owned by EnCap Energy Capital Fund IV, L.P. and 11,995,757 shares owned by PHAWK, LLC. The reporting person disclaims any beneficial ownership of the securities owned by PHAWK, LLC or EnCap Energy Capital Fund IV, L.P. in excess of its pecuniary interest in such securities. EnCap Equity Fund IV GP, L.P., by EnCap Investments L.P., its general partner, by EnCap Investments GP, L.L.C., its general partner, by /s/ David B. Miller, Senior Managing Director 2005-07-13