NOTICE OF CHANGE (AMENDMENTS/WITHDRAWALS) PUBLIC OFFERING OF CROWN PETROLEUM AND NATURAL GAS RIGHTS 2012 MAY 16 2012 May 07 Christine Rudland - Manager EDMONTON, Alberta P&NG Sales and Registrations LEASE SCHEDULE PETROLEUM AND NATURAL GAS LEASES 2012, MAY 16 LEASE HECTARES LAND DESCRIPTION ----- -------- ---------------- THE FOLLOWING PARCEL(S) SHOULD READ AS FOLLOWS --- PLAINS REGION --- A0236 3648 (CFB000502) (CFB000504) TRACT ONE 4-09-019: 25S PETROLEUM AND NATURAL GAS TO THE BASE OF THE BOW ISLAND SD (DRRZD 8) EXCEPTING NATURAL GAS IN THE MILK RIVER FM (DRRZD 11) EXCEPTING NATURAL GAS IN THE MEDICINE HAT SD (DRRZD 12) EXCEPTING NATURAL GAS IN THE SECOND WHITE SPECKS (DRRZD 13) PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE MANNVILLE GRP (DRRZD 4) TRACT TWO 4-09-019: 35 PETROLEUM AND NATURAL GAS TO THE BASE OF THE BOW ISLAND SD (DRRZD 8) EXCEPTING PETROLEUM AND NATURAL GAS IN THE MILK RIVER FM (DRRZD 11) EXCEPTING PETROLEUM AND NATURAL GAS IN THE SECOND WHITE SPECKS (DRRZD 13) EXCEPTING PETROLEUM AND NATURAL GAS IN THE MEDICINE HAT SD (DRRZD 12) PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE MANNVILLE GRP (DRRZD 4) TRACT THREE 4-09-019: 14;15;22;23;36 PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE SECOND WHITE SPECKS (DRRZD 13) TRACT FOUR 4-09-019: 24;25N PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE SECOND WHITE SPECKS (DRRZD 13) TO THE BASE OF THE BOW ISLAND SD (DRRZD 8) PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE MANNVILLE GRP (DRRZD 4) TRACT FIVE 4-08-019: 18;19 4-09-019: 13;26NE;27;34 4-09-020: 1 PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE MANNVILLE GRP (DRRZD 4) ------------------------------------------------------------------------------------- A0248 256 4-23-030: 34 PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE PEKISKO FM (DRRZD 30) ------------------------------------------------------------------------------------- END APPENDIX 2 DEEPER RIGHTS REVERSION ZONE DESIGNATIONS APPLICABLE TO THE 2012, MAY 16 PUBLIC OFFERING NOTICE DRRZD: 4 ZONE: 2480 MANNVILLE GRP INTERVAL: 2,557.00 - 2,985.00 FEET KEY WELL: 00/06-16-041-08W4/0 LOG TYPE: INDUCTION ELECTRICAL ------------------------------------------------------------------------------------- DRRZD: 8 ZONE: 2130 BOW ISLAND SD INTERVAL: 2,140.00 - 2,472.00 FEET KEY WELL: 00/11-31-011-10W4/0 LOG TYPE: INDUCTION ELECTRICAL ------------------------------------------------------------------------------------- DRRZD: 11 ZONE: 1580 MILK RIVER FM INTERVAL: 677.00 - 972.00 FEET KEY WELL: 00/15-02-014-05W4/0 LOG TYPE: ELECTRICAL ------------------------------------------------------------------------------------- DRRZD: 12 ZONE: 1640 MEDICINE HAT SD INTERVAL: 1,312.00 - 1,582.00 FEET KEY WELL: 00/06-30-014-04W4/0 LOG TYPE: INDUCTION GAMMA RAY ------------------------------------------------------------------------------------- DRRZD: 13 ZONE: 1860 SECOND WHITE SPECKS INTERVAL: 1,820.00 - 2,030.00 FEET KEY WELL: 00/10-17-014-09W4/0 LOG TYPE: INDUCTION ELECTRIC ------------------------------------------------------------------------------------- DRRZD: 30 ZONE: 6420 PEKISKO FM INTERVAL: 9,232.00 - 9,390.00 FEET KEY WELL: 00/07-13-033-05W5/0 LOG TYPE: BOREHOLE COMPENSATED SONIC ------------------------------------------------------------------------------------- END APPENDIX 3 ADDENDA AND CONTACTS APPLICABLE TO THE 2012, MAY 16 PUBLIC OFFERING NOTICE CFB000502 LAND DESCRIPTION LEASE A0236 4-08-019: 18;19 4-09-019: 13;24 IS/ARE WITHIN CANADIAN FORCES BASE SUFFIELD. FOR INFORMATION CONCERNING SURFACE ACCESS PLEASE REFER TO ALBERTA ENERGY INFORMATION BULLETIN 99-6 AND INFORMATION LETTER 99-36. SURFACE ACCESS IS SUBJECT TO SPECIFIC RESTRICTIONS FOR FURTHER INFORMATION, PLEASE CONTACT: BOB BARON SUPERVISOR, RANGE SAFETY SUFFIELD INDUSTRY RANGE CONTROL LTD. 421 7 AVE SW SUITE 3900 CALGARY AB T2P 4K9 (403) 544-4485 ------------------------------------------------------------------------------------- CFB000504 LAND DESCRIPTION LEASE A0236 4-08-019: 18;19 4-09-019: 13;24 IS/ARE WITHIN CANADIAN FORCES BASE SUFFIELD. ALL OIL AND GAS EXPLORATION AND DEVELOPMENT ACTIVITIES WITHIN THE SUFFIELD MILITARY BASE CAN ONLY BE CONDUCTED FOLLOWING JOINT EXECUTION OF A SURFACE ACCESS AGREEMENT BY THE ALBERTA DEPARTMENT OF ENERGY, SUFFIELD INDUSTRY RANGE CONTROL LTD. (RANGE SAFETY) AND THE LESSEE HOLDING THE P & NG RIGHTS AND WITH PRIOR APPROVAL OF RANGE SAFETY. SURFACE ACCESS IS SUBJECT TO SPECIFIC RESTRICTIONS FOR FURTHER INFORMATION, PLEASE CONTACT: CHRIS RUDLAND MANAGER, SALES AND REGISTRATIONS ALBERTA DEPARTMENT OF ENERGY 9945 108 ST EDMONTON AB T5K 2G6 (780) 422-9426 ------------------------------------------------------------------------------------- END