NOTICE OF AMENDMENT PUBLIC OFFERING OF CROWN PETROLEUM AND NATURAL GAS RIGHTS 2002 September 04 12 NOON, CALGARY THE FOLLOWING PARCEL(S) SHOULD READ AS --- NORTHERN REGION --- LEASE HECTARES LAND DESCRIPTION ----- -------- ---------------- A0201 64 5-14-050: 10SW PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE BLUESKY - BULLHEAD (DRRZD 21) ---------------------------------------------------------------------------------- A0204 256 5-14-050: 33 PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE BLUESKY - BULLHEAD (DRRZD 21) --------------------------------------------------------------------------------- A0209 512 TRACT ONE 5-14-056: 34 PETROLEUM AND NATURAL GAS TRACT TWO 5-14-056: 26 PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE BLUESKY - BULLHEAD (DRRZD 21) --------------------------------------------------------------------------------- END DEEPER RIGHTS REVERSION ZONE DESIGNATIONS APPLICABLE TO THE 2002, SEPTEMBER 4 PUBLIC OFFERING NOTICE (Refer to Information Letter 98-14) DRRZD: 21 Zone: 3052 BLUESKY - BULLHEAD KEY WELL: 00/10-32-081-01W6/0 INTERVAL: 2,754.00 - 3,043.00 Feet LOG TYPE: DUAL INDUCTION SPHERICALLY FOCUS --------------------------------------------------------------------------------- END 2002 August 30 Brenda Ponde - Director EDMONTON, Alberta P & NG Agreement Sales