AMENDMENT TO THE 1997, JANUARY 22 PUBLIC OFFERING NOTICE THE FOLLOWING PARCEL(S) SHOULD READ AS FOLLOWS: --- PLAINS AREA --- LEASE HECTARES LAND DESCRIPTION ----- -------- ---------------- A0717 768 (APPENDIX 3) TRACT ONE 4-02-053: 24 PETROLEUM AND NATURAL GAS TRACT TWO 4-01-053: 18;30 PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE MANNVILLE GRP (DRRZD 4) ---------------------------------------------------------------------------------------------- END DEEPER RIGHTS REVERSION ZONE DESIGNATIONS APPLICABLE TO THE 1997, JANUARY 22 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 ADDENDA AND CONTACTS APPLICABLE TO THE 1997, JANUARY 22 PUBLIC OFFERING NOTICE LEASE A0717 THE LAND(S) IN THIS LEASE IS/ARE WITHIN AN OIL SANDS DESIGNATED AREA. APPROVAL FOR THE DRILLING FOR NATURAL GAS IN THE OIL SANDS ZONES, IDENTIFIED WITHIN THE EUB'S OIL SANDS DESIGNATED AREAS, IS CURRENTLY SUBJECT TO REGULATORY REVIEW BY THE EUB AND MAY NOT BE GRANTED. SURFACE ACCESS HAS YET TO BE DETERMINED FOR FURTHER INFORMATION, PLEASE CONTACT: KEITH SADLER HEAD,IN SITU SECTION,OIL SANDS DEPT ALBERTA ENERGY AND UTILITIES BOARD 640 5 AVE SW CALGARY AB T2P 3G4 (403) 297-2886 ---------------------------------------------------------------------------------------------- END