NOTICE OF AMENDMENT PUBLIC OFFERING OF CROWN PETROLEUM AND NATURAL GAS RIGHTS 2000 April 19 12 NOON, CALGARY THE FOLLOWING PARCEL(S) SHOULD READ AS FOLLOWS --- PLAINS REGION --- LEASE HECTARES LAND DESCRIPTION ----- -------- ---------------- A0697 63.7 4-29-028: 34SEF PETROLEUM AND NATURAL GAS EXCEPTING PETROLEUM AND NATURAL GAS IN THE TURNER VALLEY FM (DRRZD 28) EXCEPTING NATURAL GAS IN THE WABAMUN GRP (ZD 200-A) ------------------------------------------------------------------------------- A0698 128 5-01-028: 24E PETROLEUM AND NATURAL GAS EXCEPTING PETROLEUM AND NATURAL GAS IN THE TURNER VALLEY FM (DRRZD 28) EXCEPTING NATURAL GAS IN THE WABAMUN GRP (ZD 200-A) -------------------------------------------------------------------------------- A0709 382.912 TRACT ONE 4-29-029: 10L2F,L7F,L10F,L15F 5-01-029: 12 PETROLEUM AND NATURAL GAS EXCEPTING PETROLEUM AND NATURAL GAS IN THE TURNER VALLEY FM (DRRZD 28) EXCEPTING NATURAL GAS IN THE WABAMUN GRP (ZD 235-1) TRACT TWO 4-29-029: 10L1,L8,L9,L16 PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE WABAMUN GRP(DRRZD 260) -------------------------------------------------------------------------------- A0710 128 TRACT ONE 4-29-029: 14NW PETROLEUM AND NATURAL GAS EXCEPTING PETROLEUM AND NATURAL GAS IN THE TURNER VALLEY FM (DRRZD 28) EXCEPTING NATURAL GAS IN THE WABAMUN GRP (ZD 235-1) TRACT TWO 4-29-029: 14NE PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE CARDIUM FM (DRRZD 3) EXCEPTING PETROLEUM AND NATURAL GAS IN THE TURNER VALLEY FM (DRRZD 28) EXCEPTING NATURAL GAS IN THE WABAMUN GRP (ZD 235-1) -------------------------------------------------------------------------------- END ZONE DESIGNATIONS APPLICABLE TO THE 2000, APRIL 19 PUBLIC OFFERING NOTICE (Refer to Information Letter 98-14) ZD: 200-A Zone: 6580 WABAMUN GRP KEY WELL: 00/10-36-028-01W5/0 INTERVAL: 8,507.00 - 8,950.00 Feet LOG TYPE: INDUCTION ELECTRIC ------------------------------------------------------------------------------- ZD: 235-1 Zone: 6580 WABAMUN GRP KEY WELL: 00/07-12-029-01W5/0 INTERVAL: 8,400.00 - 8,830.00 Feet LOG TYPE: INDUCTION ELECTRIC ------------------------------------------------------------------------------- END DEEPER RIGHTS REVERSION ZONE DESIGNATIONS APPLICABLE TO THE 2000, APRIL 19 PUBLIC OFFERING NOTICE (Refer to Information Letter 98-14) DRRZD: 3 Zone: 1700 CARDIUM FM KEY WELL: 00/16-16-041-06W5/0 INTERVAL: 6,303.00 - 6,436.00 Feet LOG TYPE: ELECTRICAL --------------------------------------------------------------------------------------- DRRZD: 28 Zone: 6300 TURNER VALLEY FM KEY WELL: 00/08-30-019-02W5/0 INTERVAL: 5,817.00 - 6,172.00 Feet LOG TYPE: GAMMA RAY NEUTRON AND: ALL OTHER 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. --------------------------------------------------------------------------------------- DRRZD: 260 Zone: 6580 WABAMUN GRP KEY WELL: 00/11-03-029-28W4/0 INTERVAL: 7,730.00 - 8,350.00 Feet LOG TYPE: BOREHOLE COMPENSATED SONIC --------------------------------------------------------------------------------------- END 2000 APRIL 05 EUGENE SALDANHA, MANAGER EDMONTON, Alberta MINERAL AGREEMENTS AND SALES