NOTICE OF CHANGE (AMENDMENTS/WITHDRAWALS) PUBLIC OFFERING OF CROWN PETROLEUM AND NATURAL GAS RIGHTS 2003 APRIL 02 12 noon, CALGARY 2003 March 12 Brenda Ponde - Director EDMONTON, Alberta P & NG Agreement Sales ENERGY LEASE SCHEDULE PETROLEUM AND NATURAL GAS LEASES 2003, APRIL 02 LEASE HECTARES LAND DESCRIPTION ----- -------- ---------------- THE FOLLOWING PARCEL(S) SHOULD READ AS FOLLOWS --- PLAINS REGION --- A0217 64 4-21-031: 18NE PETROLEUM AND NATURAL GAS EXCEPTING NATURAL GAS IN THE GLAUCONITIC SS (ZD 242) ------------------------------------------------------------------------------------- END APPENDIX 1 ZONE DESIGNATIONS APPLICABLE TO THE 2003, APRIL 02 PUBLIC OFFERING NOTICE ZD: 242 ZONE: 3000 GLAUCONITIC SS INTERVAL: 4,695.00 - 4,795.00 FEET KEY WELL: 00/11-10-031-22W4/0 LOG TYPE: INDUCTION ELECTRIC ------------------------------------------------------------------------------------- END