NOTICE OF CHANGE (AMENDMENTS/WITHDRAWALS) PUBLIC OFFERING OF CROWN PETROLEUM AND NATURAL GAS RIGHTS 2005 DECEMBER 14 12 noon, CALGARY 2005 December 09 Retha Purkis - Manager EDMONTON, Alberta P & NG Agreement Sales ENERGY LEASE SCHEDULE PETROLEUM AND NATURAL GAS LEASES 2005, DECEMBER 14 LEASE HECTARES LAND DESCRIPTION ----- -------- ---------------- THE FOLLOWING PARCEL(S) ARE WITHDRAWN A0619 ------------------------------------------------------------------------------------- END THE FOLLOWING PARCEL(S) SHOULD READ AS FOLLOWS --- NORTHERN REGION --- A0780 256 5-05-041: 13 PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE ROCK CREEK MBR (DRRZD 60) ------------------------------------------------------------------------------------- END LICENCE SCHEDULE PETROLEUM AND NATURAL GAS LICENCES 2005, DECEMBER 14 LICENCE HECTARES LAND DESCRIPTION ------- -------- ---------------- THE FOLLOWING PARCEL(S) SHOULD READ AS FOLLOWS --- NORTHERN REGION --- B1024 6400 (IR2000701) (IR2000702) (PDM001101) TRACT ONE 5-21-050: 3;4;8;9 5-22-050: 12;15;16;20-23;26-29;32-35 5-22-051: 4;9;14;15;22 PETROLEUM AND NATURAL GAS TRACT TWO 5-22-050: 2 PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE CARDIUM FM (DRRZD 3) TO THE BASE OF THE TRIASSIC SYSTEM (DRRZD 56) ------------------------------------------------------------------------------------- B1025 6144 (IR2000701) (IR2000702) (PDM001101) TRACT ONE 5-22-050: 30;31 5-22-051: 6 5-23-051: 1;8-12;14-19;21;22;27;28 PETROLEUM AND NATURAL GAS TRACT TWO 5-23-051: 2-6 PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE CARDIUM FM (DRRZD 51) ------------------------------------------------------------------------------------- --- FOOTHILLS REGION --- B1195 2816 (IR2000701) (IR2000702) (PDM001101) TRACT ONE 5-23-050: 26-28;35;36 PETROLEUM AND NATURAL GAS TRACT TWO 5-23-050: 29-34 PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE CARDIUM FM (DRRZD 51) ------------------------------------------------------------------------------------- END APPENDIX 2 DEEPER RIGHTS REVERSION ZONE DESIGNATIONS APPLICABLE TO THE 2005, DECEMBER 14 PUBLIC OFFERING NOTICE DRRZD: 3 ZONE: 1700 CARDIUM FM INTERVAL: 6,303.00 - 6,436.00 FEET KEY WELL: 00/16-16-041-06W5/0 LOG TYPE: ELECTRICAL ------------------------------------------------------------------------------------- DRRZD: 51 ZONE: 1700 CARDIUM FM INTERVAL: 2,350.40 - 2,415.70 METRES KEY WELL: 00/07-36-058-03W6/0 LOG TYPE: DUAL INDUCTION SFL ------------------------------------------------------------------------------------- DRRZD: 56 ZONE: 5000 TRIASSIC SYSTEM INTERVAL: 12,582.00 - 12,746.00 FEET KEY WELL: 00/06-05-049-21W5/0 LOG TYPE: BOREHOLE COMPENSATED SONIC 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: 60 ZONE: 4320 ROCK CREEK MBR INTERVAL: 2,502.50 - 2,531.50 METRES KEY WELL: 00/10-35-049-13W5/2 LOG TYPE: DUAL LATEROLOG ------------------------------------------------------------------------------------- END APPENDIX 3 ADDENDA AND CONTACTS APPLICABLE TO THE 2005, DECEMBER 14 PUBLIC OFFERING NOTICE IR2000701 LAND DESCRIPTION LICENCE B1024 5-22-051: 4NP,SWP;9SP,NEP;15WP;22WP LICENCE B1025 5-22-050: 30NWP;31SP,NW,NEP LICENCE B1195 5-23-050: 26SP;27SEP;36EP IS/ARE WITHIN ZONE 2 (CRITICAL WILDLIFE) OF THE COAL BRANCH INTEGRATED RESOURCE PLAN. SURFACE ACCESS IS SUBJECT TO SPECIFIC RESTRICTIONS FOR FURTHER INFORMATION, PLEASE CONTACT: DAVE HOBSON WILDLIFE BIOLOGIST DEPT. OF SUSTAINABLE RESOURCE DEV EDSON OFFICE - FISH AND WILDLIFE 111 54 ST SUITE 203 EDSON AB T7E 1T2 (780) 723-8244 ------------------------------------------------------------------------------------- IR2000702 LAND DESCRIPTION LICENCE B1024 5-22-051: 4NWP;9SP,NEP;15WP;22WP LICENCE B1025 5-22-051: 6SEP LICENCE B1195 5-23-050: 26P;27EP;36P IS/ARE WITHIN ZONE 2 (CRITICAL WILDLIFE) OF THE COAL BRANCH INTEGRATED RESOURCE PLAN. SURFACE ACCESS IS SUBJECT TO SPECIFIC RESTRICTIONS FOR FURTHER INFORMATION, PLEASE CONTACT: JEFF KNETEMAN WILDLIFE BIOLOGIST DEPT. OF SUSTAINABLE RESOURCE DEV HINTON OFFICE - FISH AND WILDLIFE 131 CIVIC CENTRE RD FLOOR 3 HINTON AB T7V 1E6 (780) 865-8264 ------------------------------------------------------------------------------------- PDM001101 LAND DESCRIPTION LICENCE B1024 5-22-050: 2N,SE,L6;12L3-L5;15;16N,SE,L6;20N,SE,L3,L5, L6;21;22L3-L5;29S,L11-L13 LICENCE B1025 5-22-050: 30;31S,NW,L10 5-22-051: 6 5-23-051: 1-5;6E;8-12;14S,L9-L12;15S,L9-L12;16S,L9-L12; 17S,L9-L12;18SE,L9,L10 LICENCE B1195 5-23-050: 34N;35;36 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: ROB KILBURN GENERAL MANAGER MANCAL COAL INC. 530 8 AVE SW SUITE 1600 PO BOX 2526 STN M CALGARY AB T2P 2M7 (403) 231-7660 ------------------------------------------------------------------------------------- END