NOTICE OF CHANGE (AMENDMENTS/WITHDRAWALS) PUBLIC OFFERING OF CROWN PETROLEUM AND NATURAL GAS RIGHTS 2004 JANUARY 21 12 noon, CALGARY 2004 January 06 Retha Purkis - Manager EDMONTON, Alberta P & NG Agreement Sales ENERGY LEASE SCHEDULE PETROLEUM AND NATURAL GAS LEASES 2004, JANUARY 21 LEASE HECTARES LAND DESCRIPTION ----- -------- ---------------- THE FOLLOWING PARCEL(S) SHOULD READ AS FOLLOWS --- PLAINS REGION --- A0547 64 5-04-042: 22NE PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE JURASSIC SYSTEM (DRRZD 90) ------------------------------------------------------------------------------------- END APPENDIX 2 DEEPER RIGHTS REVERSION ZONE DESIGNATIONS APPLICABLE TO THE 2004, JANUARY 21 PUBLIC OFFERING NOTICE DRRZD: 90 ZONE: 4000 JURASSIC SYSTEM INTERVAL: 7,052.00 - 7,148.00 FEET KEY WELL: 00/06-29-039-03W5/0 LOG TYPE: INDUCTION ELECTROLOG ------------------------------------------------------------------------------------- END