NOTICE OF CHANGE (AMENDMENTS/WITHDRAWALS) PUBLIC OFFERING OF CROWN PETROLEUM AND NATURAL GAS RIGHTS 2003 OCTOBER 15 12 noon, CALGARY 2003 October 15 Retha Purkis - Manager EDMONTON, Alberta P & NG Agreement Sales ENERGY LEASE SCHEDULE PETROLEUM AND NATURAL GAS LEASES 2003, OCTOBER 15 LEASE HECTARES LAND DESCRIPTION ----- -------- ---------------- THE FOLLOWING PARCEL(S) ARE WITHDRAWN A0600 A0601 A0603 ------------------------------------------------------------------------------------- END