NOTICE OF AMENDMENT PUBLIC OFFERING OF CROWN PETROLEUM AND NATURAL GAS RIGHTS 2002 May 15 12 NOON, CALGARY THE FOLLOWING PARCEL(S) SHOULD READ AS FOLLOWS: --- NORTHERN REGION --- LICENCE HECTARES LAND DESCRIPTION ------- -------- ---------------- B0068 512 TRACT ONE 5-10-085: 33 PETROLEUM AND NATURAL GAS TO THE BASE OF THE WOODBEND GRP (DRRZD 258) TRACT TWO 5-10-086: 4 PETROLEUM AND NATURAL GAS TO THE BASE OF THE WABAMUN GRP (DRRZD 277) -------------------------------------------------------------------------------------------- B0071 576 5-10-086: 19E;20;29S,NE PETROLEUM AND NATURAL GAS TO THE BASE OF THE WABAMUN GRP (DRRZD 277) -------------------------------------------------------------------------------------------- --- FOOTHILLS REGION --- B0091 512 TRACT ONE 5-04-009: 23 PETROLEUM AND NATURAL GAS TO THE BASE OF THE WABAMUN GRP (DRRZD 277) EXCEPTING NATURAL GAS IN THE RUNDLE GRP (ZD 2768) EXCEPTING NATURAL GAS IN THE PALLISER FM (ZD 2768) TRACT TWO 5-04-009: 25 PETROLEUM AND NATURAL GAS TO THE BASE OF THE FERNIE GRP (DRRZD 216) -------------------------------------------------------------------------------------------- END ZONE DESIGNATIONS APPLICABLE TO THE 2002, MAY 15 PUBLIC OFFERING NOTICE (Refer to Information Letter 98-14) ZD: 2768 Zone: 6100 RUNDLE GRP KEY WELL: 00/04-23-009-04W5/0 INTERVAL: 8,850.00 - 10,748.00 Feet LOG TYPE: FORMATION DENSITY AND ALL OTHER STRATA WHICH WERE DEPOSITED IN LATERAL CONTINUITY WITH THE STRATA DESCRIBED ABOVE AND WHICH OCCUR IN WHOLE OR IN PART WITHIN ANY OTHER FAULT BLOCK Zone: 6540 PALLISER FM KEY WELL: 00/04-23-009-04W5/0 INTERVAL: 11,497.00 - 11,985.00 Feet LOG TYPE: FORMATION DENSITY AND ANY ADDITIONAL STRATA OCCURRING BELOW THAT DEFINED ABOVE AND THAT, IN THE OPINION OF THE ALBERTA ENERGY AND UTILITIES BOARD, CONSTITUTE A PART OF THE PALLISER ZONE, AND ALL OTHER STRATA WHICH WERE DEPOSITED IN LATERAL CONTINUITY WITH THE STRATA DESCRIBED AND WHICH OCCUR IN WHOLE OR IN PART WITHIN ANY OTHER FAULT BLOCK --------------------------------------------------------------------------------------------- END DEEPER RIGHTS REVERSION ZONE DESIGNATIONS APPLICABLE TO THE 2002, MAY 15 PUBLIC OFFERING NOTICE (Refer to Information Letter 98-14) DRRZD: 216 Zone: 4140 FERNIE GRP KEY WELL: 00/08-16-010-04W5/0 INTERVAL: 1,588.00 - 1,882.00 Metres LOG TYPE: DUAL INDUCTION SFL AND: ALL STRATA WHICH WERE DEPOSITED IN LATERAL CONTINUITY WITH THE STRATA DESCRIBED IN THE ABOVE INTERVAL AND WHICH OCCUR IN WHOLE OR IN PART WITHIN ANY OTHER FAULT BLOCK. MORE DEEPER RIGHTS REVERSION ZONE DESIGNATIONS APPLICABLE TO THE 2002, MAY 15 PUBLIC OFFERING NOTICE (Refer to Information Letter 98-14) DRRZD: 258 Zone: 7040 WOODBEND GRP KEY WELL: 00/10-29-077-18W4/0 INTERVAL: 1,284.00 - 2,251.00 Feet LOG TYPE: SONIC --------------------------------------------------------------------------------------------- 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 April 03 Brenda Ponde - Director EDMONTON, Alberta P & NG Agreement Sales