NOTICE OF AMENDMENT PUBLIC OFFERING OF CROWN PETROLEUM AND NATURAL GAS RIGHTS 2002 May 01 12 NOON, CALGARY THE FOLLOWING PARCEL(S) SHOULD READ AS FOLLOWS: --- PLAINS REGION --- LEASE HECTARES LAND DESCRIPTION ----- -------- ---------------- A0026 256 4-25-029: 6 PETROLEUM AND NATURAL GAS TO THE BASE OF THE BELLY RIVER GRP (DRRZD 39) PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE WABAMUN GRP (DRRZD 277) ------------------------------------------------------------------------------------------- A0028 256 4-26-030: 17 PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE WABAMUN GRP (DRRZD 277) -------------------------------------------------------------------------------------------- A0042 256 4-26-039: 11 PETROLEUM AND NATURAL GAS TO THE BASE OF THE WABAMUN GRP (DRRZD 277) -------------------------------------------------------------------------------------------- A0043 256 TRACT ONE 4-26-039: 14S,NE PETROLEUM AND NATURAL GAS TO THE BASE OF THE WABAMUN GRP (DRRZD 277) TRACT TWO 4-26-039: 14NW PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE MANNVILLE GRP (DRRZD 4) TO THE BASE OF THE WABAMUN GRP (DRRZD 277) -------------------------------------------------------------------------------------------- A0047 256 4-15-045: 28 PETROLEUM AND NATURAL GAS TO THE BASE OF THE WABAMUN GRP (DRRZD 277) ------------------------------------------------------------------------------------------- --- NORTHERN REGION --- A0151 128 5-10-087: 4S PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE WABAMUN GRP (DRRZD 277) -------------------------------------------------------------------------------------------- A0152 512 (APPENDIX 3) TRACT ONE 5-07-089: 5 PETROLEUM AND NATURAL GAS TRACT TWO 5-07-088: 33 PETROLEUM AND NATURAL GAS TO THE BASE OF THE WABAMUN GRP (DRRZD 277) -------------------------------------------------------------------------------------------- END DEEPER RIGHTS REVERSION ZONE DESIGNATIONS APPLICABLE TO THE 2002, MAY 1 PUBLIC OFFERING NOTICE (Refer to Information Letter 98-14) 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 -------------------------------------------------------------------------------------------- DRRZD: 39 Zone: 1260 BELLY RIVER GRP KEY WELL: 00/07-18-032-22W4/0 INTERVAL: 1,688.00 - 2,453.00 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 ADDENDA AND CONTACTS APPLICABLE TO THE 2002, MAY 1 PUBLIC OFFERING NOTICE LEASE A0152 ONE OF TWO LAND DESCRIPTION 5-07-088: 33SEP IS/ARE WITHIN AN IMPORTANT CARIBOU RANGE. SURFACE ACCESS IS SUBJECT TO SPECIFIC RESTRICTIONS FOR FURTHER INFORMATION, PLEASE CONTACT: DAVE LAING FORESTER DEPT. OF SUSTAINABLE RESOURCE DEVELOPMENT LAND & FOREST SERVICE NORTHWEST BOREAL REGION 301 BIRCH RD NE PO BOX 390 SLAVE LAKE AB T0G 2A0 (780) 849-7400 MORE ADDENDA AND CONTACTS APPLICABLE TO THE 2002, MAY 1 PUBLIC OFFERING NOTICE TWO OF TWO THE LAND(S) IN THIS LEASE IS/ARE WITHIN AN OIL SANDS AREA AS DESIGNATED BY THE ALBERTA ENERGY AND UTILITIES BOARD (AEUB). SOLUTION GAS IS EXPRESSLY EXCLUDED FROM THE PETROLEUM AND NATURAL GAS RIGHTS GRANTED UNDER CROWN AGREEMENTS ISSUED IN RESPECT OF OIL SANDS AREAS. MOREOVER, PRODUCTION OF GAS FROM THE LAND(S) IN THIS AGREEMENT MAY BE DISALLOWED OR PRECLUDED BY ORDER OF THE AEUB OR OTHERWISE, ON THE GROUND THAT SUCH PRODUCTION MAY DETRIMENTALLY AFFECT THE RECOVERABILITY OF OIL SANDS FROM THOSE LANDS. BY ACCEPTING THIS AGREEMENT FOR THE PETROLEUM AND NATURAL GAS RIGHTS IN THESE LANDS, THE LESSEE/ LICENSEE HEREBY ACKNOWLEDGES ALL OF THE ABOVE, AND THAT PRODUCTION OF GAS FROM THE LANDS IN THIS AGREEMENT MAY BY ORDER OF THE AEUB OR OTHERWISE BE PRECLUDED OR DISALLOWED, AND HEREBY WAIVES ANY RECOURSE, ACTION, CAUSE OF ACTION OR CLAIM THAT THE LESSEE/LICENSEE MAY HAVE AGAINST THE CROWN IN RIGHT OF ALBERTA AS A RESULT OF OR IN RELATION TO ITS INABILITY FOR ANY OF THE ABOVE REASONS OR FOR ANY OTHER REASON WHATSOEVER TO PRODUCE GAS FROM THE LANDS IN THIS AGREEMENT. FOR THE DEFINITION OF SOLUTION GAS AND OTHER RELEVANT INFORMATION, PLEASE REFER TO INFORMATION LETTER 99-38. FOR CURRENT POLICY ON NATURAL GAS PRODUCTION IN THE OIL SANDS ZONES IDENTIFIED WITHIN OIL SANDS AREAS, PLEASE REFER TO AEUB INTERIM DIRECTIVE 99-01. SURFACE ACCESS NOT AFFECTED FOR FURTHER INFORMATION, PLEASE CONTACT: LINDA WHITE BUSINESS UNIT LEADER ALBERTA DEPARTMENT OF ENERGY OIL SANDS DEVELOPMENT BRANCH 9945 108 ST NW FLOOR 14 EDMONTON AB T5K 2G6 (780) 427-6383 --------------------------------------------------------------------------------------------- END 2002 April 03 Brenda Ponde - Director EDMONTON, Alberta P & NG Agreement Sales