NOTICE OF AMENDMENT PUBLIC OFFERING OF CROWN PETROLEUM AND NATURAL GAS RIGHTS 1997 MARCH 19 12 NOON, CALGARY THE FOLLOWING PARCEL(S) SHOULD READ AS FOLLOWS: --- PLAINS AREA --- LEASE HECTARES LAND DESCRIPTION ----- -------- ---------------- A0727 256 (APPENDIX 3) 5-04-052: 18 PETROLEUM AND NATURAL GAS ---------------------------------------------------------------------------------------------- --- ------NORTHERN AREA --- A0775 256 (APPENDIX 3) 5-05-052: 12 PETROLEUM AND NATURAL GAS ---------------------------------------------------------------------------------------------- END ADDENDA AND CONTACTS APPLICABLE TO THE 1997, MARCH 19 PUBLIC OFFERING NOTICE LEASE A0727 THE LAND(S) IN THIS LEASE IS/ARE WITHIN A LICENCE TO OPERATE A COAL MINE, GRANTED UNDER THE COAL CONSERVATION ACT. SURFACE ACCESS IS NOT PERMITTED FOR FURTHER INFORMATION, PLEASE CONTACT: DARYL MIKALSON SENIOR ENGINEER TRANSALTA UTILITIES CORPORATION FUEL SUPPLY DEPARTMENT 110 12 AVE SW PO BOX 1900 CALGARY AB T2P 2M1 (403) 267-7631 ---------------------------------------------------------------------------------------------- LEASE A0775 ONE OF TWO LAND DESCRIPTION 5-05-052: 12L8,L9,L14-L16 IS/ARE WITHIN A LICENCE TO OPERATE A COAL MINE, GRANTED UNDER THE COAL CONSERVATION ACT. SURFACE ACCESS IS NOT PERMITTED FOR FURTHER INFORMATION, PLEASE CONTACT: DARYL MIKALSON SENIOR ENGINEER TRANSALTA UTILITIES CORPORATION FUEL SUPPLY DEPARTMENT 110 12 AVE SW PO BOX 1900 CALGARY AB T2P 2M1 (403) 267-7631 TWO OF TWO LAND DESCRIPTION 5-05-052: 12SW,L1,L2,L7,L10-L13 IS/ARE WITHIN A PERMIT TO DEVELOP A COAL MINE, GRANTED UNDER THE COAL CONSERVATION ACT. PROSPECTIVE PURCHASERS ARE ADVISED THAT LAND USE PROBLEMS RELATING TO THE MINE OPERATIONS MAY ARISE. SURFACE ACCESS IS SUBJECT TO SPECIFIC RESTRICTIONS FOR FURTHER INFORMATION, PLEASE CONTACT: DARYL MIKALSON SENIOR ENGINEER TRANSALTA UTILITIES CORPORATION FUEL SUPPLY DEPARTMENT 110 12 AVE SW PO BOX 1900 CALGARY AB T2P 2M1 (403) 267-7631 ---------------------------------------------------------------------------------------------- END end