NOTICE OF AMENDMENT PUBLIC OFFERING OF CROWN PETROLEUM AND NATURAL GAS RIGHTS 1998 JUNE 24 12 NOON, CALGARY June 19, 1998 Eugene Saldanha, Manager EDMONTON, AB P&NG Administration -------------------------------------------------------------- THE FOLLOWING PARCEL(S) SHOULD READ AS FOLLOWS: --- NORTHERN AREA --- LEASE HECTARES LAND DESCRIPTION ----- -------- ---------------- A0276 256 6-10-072: 24 PETROLEUM AND NATURAL GAS TO THE BASE OF THE MONTNEY FM (DRRZD 264) ---------------------------------------------------------------------------------------------- A0277 256 6-10-072: 25 PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE DUNVEGAN FM (DRRZD 38) TO THE BASE OF THE MONTNEY FM (DRRZD 264) ---------------------------------------------------------------------------------------------- A0285 256 6-06-076: 2 PETROLEUM AND NATURAL GAS TO THE BASE OF THE MONTNEY FM (DRRZD 264) --------------------------------------------------------------------------------------------- A0286 256 6-06-076: 11 PETROLEUM AND NATURAL GAS TO THE BASE OF THE MONTNEY FM (DRRZD 264) --------------------------------------------------------------------------------------------- END --- NORTHERN AREA --- LICENCE HECTARES LAND DESCRIPTION ------- -------- ---------------- B0077 512 6-13-072: 4;9 PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE BLUESKY - BULLHEAD (DRRZD 21) TO THE BASE OF THE CHARLIE LAKE FM (DRRZD 247) --------------------------------------------------------------------------------------------- B0078 512 6-13-072: 4;9 PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE CHARLIE LAKE FM (DRRZD 247) --------------------------------------------------------------------------------------------- END DEEPER RIGHTS REVERSION ZONE DESIGNATIONS APPLICABLE TO THE 1998, JUNE 24 PUBLIC OFFERING NOTICE DRRZD: 21 Zone: 3052 BLUESKY - BULLHEAD KEY WELL: 00/10-32-081-01W6/0 INTERVAL: 2,754.00 - 3,043.00 Feet LOG TYPE: DUAL INDUCTION SPHERICALLY FOCUS ---------------------------------------------------------------------------------------------- DRRZD: 38 Zone: 1920 DUNVEGAN FM KEY WELL: 00/11-04-074-05W6/0 INTERVAL: 2,566.00 - 3,038.00 Feet LOG TYPE: DUAL INDUCTION-LATEROLOG ---------------------------------------------------------------------------------------------- DRRZD: 247 Zone: 5080 CHARLIE LAKE FM KEY WELL: 00/10-19-068-06W6/0 INTERVAL: 2,372.00 - 2,448.50 Metres LOG TYPE: DUAL INDUCTION SFL ---------------------------------------------------------------------------------------------- MORE DEEPER RIGHTS REVERSION ZONE DESIGNATIONS APPLICABLE TO THE 1998, JUNE 24 PUBLIC OFFERING NOTICE DRRZD: 264 Zone: 5240 MONTNEY FM KEY WELL: 00/06-32-076-11W6/0 INTERVAL: 2,229.00 - 2,491.50 Metres LOG TYPE: BOREHOLE COMPENSATED SONIC ---------------------------------------------------------------------------------------------- END