NOTICE OF CHANGE (AMENDMENTS/WITHDRAWALS) PUBLIC OFFERING OF CROWN PETROLEUM AND NATURAL GAS RIGHTS 2008 JUNE 11 2008 May 29 Retha Purkis - Manager EDMONTON, Alberta P & NG Sales and Registrations ENERGY LEASE SCHEDULE PETROLEUM AND NATURAL GAS LEASES 2008, JUNE 11 LEASE HECTARES LAND DESCRIPTION ----- -------- ---------------- THE FOLLOWING PARCEL(S) SHOULD READ AS FOLLOWS --- PLAINS REGION --- A0047 256 4-25-039: 28 PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE BELLY RIVER GRP (DRRZD 39) ------------------------------------------------------------------------------------- END APPENDIX 2 DEEPER RIGHTS REVERSION ZONE DESIGNATIONS APPLICABLE TO THE 2008, JUNE 11 PUBLIC OFFERING NOTICE DRRZD: 39 ZONE: 1260 BELLY RIVER GRP INTERVAL: 1,688.00 - 2,453.00 FEET KEY WELL: 00/07-18-032-22W4/0 LOG TYPE: INDUCTION ELECTRICAL ------------------------------------------------------------------------------------- END