NOTICE OF AMENDMENT PUBLIC OFFERING OF CROWN PETROLEUM AND NATURAL GAS RIGHTS 2002 April 03 12 NOON, CALGARY ================================================================================== THE FOLLOWING PARCEL(S) SHOULD READ AS FOLLOWS: --- PLAINS REGION --- LEASE HECTARES LAND DESCRIPTION ---- -------- ---------------- A0113 256 4-16-048: 11 PETROLEUM AND NATURAL GAS TO THE BASE OF THE WABAMUN GRP (DRRZD 277) ----------------------------------------------------------------------------------------- A0114 256 4-16-048: 12 PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE VIKING FM (DRRZD 6) TO THE BASE OF THE WABAMUN GRP (DRRZD 277) ----------------------------------------------------------------------------------------- --- NORTHERN REGION --- A0226 256 4-22-069: 4 NATURAL GAS IN THE MANNVILLE GRP (ZD 3467) PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE WABAMUN GRP (DRRZD 277) ----------------------------------------------------------------------------------------- END ZONE DESIGNATIONS APPLICABLE TO THE 2002, APRIL 3 PUBLIC OFFERING NOTICE (Refer to Information Letter 98-14) ZD: 3467 Zone: 2480 MANNVILLE GRP KEY WELL: 00/04-15-070-22W4/0 INTERVAL: 437.00 - 605.00 Metres LOG TYPE: DUAL INDUCTION SFL ---------------------------------------------------------------------------------------- END DEEPER RIGHTS REVERSION ZONE DESIGNATIONS APPLICABLE TO THE 2002, APRIL 3 PUBLIC OFFERING NOTICE (Refer to Information Letter 98-14) DRRZD: 6 Zone: 2140 VIKING FM KEY WELL: 00/10-10-042-14W4/0 INTERVAL: 2,600.00 - 2,680.00 Feet LOG TYPE: INDUCTION ELECTRICAL ---------------------------------------------------------------------------------------- DRRZD: 277 Zone: 6580 WABAMUN GRP KEY WELL: 00/03-10-063-26W5/0 INTERVAL: 10,452.00 - 11,198.00 Feet LOG TYPE: BOREHOLE COMPENSATED SONIC ---------------------------------------------------------------------------------------- END 2002 March 25 Brenda Ponde - Director EDMONTON, Alberta P & NG Agreement Sales