AMENDMENT PUBLIC OFFERING OF CROWN PETROLEUM AND NATURAL GAS RIGHTS FEBRUARY 4, 1998 Please Note A0068 - OFFSET OBLIGATION HAS BEEN REMOVED ---------------------------------------------------------------- THE FOLLOWING PARCEL SHOULD READ AS FOLLOWS: LEASE HECTARES LAND DESCRIPTION --- NORTHERN AREA --- A0220 512 TRACT ONE 4-26-070: 14 PETROLEUM AND NATURAL GAS EXCEPTING NATURAL GAS IN THE UPPER GRAND RAPIDS (ZD 3137) TRACT TWO 4-26-070: 13 PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE MANNVILLE GRP (DRRZD 4) ---------------------------------------------------------------- END ZONE DESIGNATIONS APPLICABLE TO THE 1998,FEBRUARY 4 PUBLIC OFFERING NOTICE ZD: 3137 Zone: 2621 UPPER GRAND RAPIDS KEY WELL: 00/06-18-070-26W4/0 INTERVAL: 1,499.00 - 1,630.00 Feet LOG TYPE: DUAL INDUCTION-LATEROLOG --------------------------------------------------------------- END DEEPER RIGHTS REVERSION ZONE DESIGNATIONS APPLICABLE TO THE 1998, FEBRUARY 4 PUBLIC OFFERING NOTICE DRRZD: 4 Zone: 2480 MANNVILLE GRP KEY WELL: 00/06-16-041-08W4/0 INTERVAL: 2,557.00 - 2,985.00 Feet LOG TYPE: INDUCTION ELECTRICAL END 1998 January 29, Eugene Saldanha, Mangager EDMONTON, Alberta P & NG Administration