NOTICE OF PENDING PUBLIC OFFERING OF CROWN PETROLEUM AND NATURAL GAS RIGHTS 2005 AUGUST 24 12 noon, CALGARY ENERGY NOTICE OF PENDING PUBLIC OFFERING OF CROWN PETROLEUM AND NATURAL GAS RIGHTS Under the guidelines described for Advance Booking in Information Letter 2005-08, the parcel(s) listed in this notice will be included in the Public Offering of Crown Petroleum And Natural Gas Rights scheduled for 2005 August 24. 2005 May 04 Retha Purkis - Manager EDMONTON, Alberta P & NG Agreement Sales LICENCE SCHEDULE PETROLEUM AND NATURAL GAS LICENCES 2005, AUGUST 24 LICENCE HECTARES LAND DESCRIPTION --------- -------- ---------------- --- NORTHERN REGION --- 050101504 1536 (IR2000201) 5-13-043: 3-5;8-10 PETROLEUM AND NATURAL GAS TO THE BASE OF THE NORDEGG MBR (DRRZD 66) ------------------------------------------------------------------------------------- 050101502 1280 5-13-043: 6;7 5-14-043: 12;13;24 PETROLEUM AND NATURAL GAS TO THE BASE OF THE NORDEGG MBR (DRRZD 66) ------------------------------------------------------------------------------------- 050101503 1024 (IR2000201) 5-13-043: 17-20 PETROLEUM AND NATURAL GAS TO THE BASE OF THE NORDEGG MBR (DRRZD 66) ------------------------------------------------------------------------------------- 050101501 1280 (IR2000201) TRACT ONE 5-14-043: 3;11;14;23 PETROLEUM AND NATURAL GAS TO THE BASE OF THE NORDEGG MBR (DRRZD 66) TRACT TWO 5-14-043: 10 PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE BLUESKY-BULLHEAD (DRRZD 21) TO THE BASE OF THE NORDEGG MBR (DRRZD 66) ------------------------------------------------------------------------------------- END APPENDIX 2 DEEPER RIGHTS REVERSION ZONE DESIGNATIONS APPLICABLE TO THE 2005, AUGUST 24 PUBLIC OFFERING NOTICE DRRZD: 21 ZONE: 3052 BLUESKY-BULLHEAD INTERVAL: 2,754.00 - 3,043.00 FEET KEY WELL: 00/10-32-081-01W6/0 LOG TYPE: DUAL INDUCTION SPHERICALLY FOCUSED ------------------------------------------------------------------------------------- DRRZD: 66 ZONE: 4440 NORDEGG MBR INTERVAL: 5,610.00 - 5,670.00 FEET KEY WELL: 00/10-12-055-09W5/0 LOG TYPE: COMPENSATED NEUTRON-FORMATION DENSITY ------------------------------------------------------------------------------------- END APPENDIX 3 ADDENDA AND CONTACTS APPLICABLE TO THE 2005, AUGUST 24 PUBLIC OFFERING NOTICE IR2000201 LAND DESCRIPTION 050101504 5-13-043: 3SP;10EP 050101503 5-13-043: 19NWP 050101501 5-14-043: 23NP IS/ARE WITHIN ZONE 2 (CRITICAL WILDLIFE) OF THE ROCKY-NORTH SASKATCHEWAN INTEGRATED RESOURCE PLAN. SURFACE ACCESS IS SUBJECT TO SPECIFIC RESTRICTIONS FOR FURTHER INFORMATION, PLEASE CONTACT: JAMES ALLEN WILDLIFE BIOLOGIST DEPT. OF SUSTAINABLE RESOURCE DEV ROCKY MOUNTAIN HOUSE OFFICE - FISH AND WILDLIFE 4919 51 ST PO BOX 1720 ROCKY MOUNTAIN HOUSE AB T4T 1B3 (403) 845-8237 ------------------------------------------------------------------------------------- END