NOTICE OF CHANGE (AMENDMENTS/WITHDRAWALS) PUBLIC OFFERING OF CROWN PETROLEUM AND NATURAL GAS RIGHTS 2007 AUGUST 22 2007 August 21 Retha Purkis - Manager EDMONTON, Alberta P & NG Sales and Registrations ENERGY LEASE SCHEDULE PETROLEUM AND NATURAL GAS LEASES 2007, AUGUST 22 LEASE HECTARES LAND DESCRIPTION ----- -------- ---------------- THE FOLLOWING PARCEL(S) ARE WITHDRAWN A0364 ------------------------------------------------------------------------------------- END