NOTICE OF AMENDMENT PUBLIC OFFERING OF CROWN PETROLEUM AND NATURAL GAS RIGHTS 2001 December 12 12 NOON, CALGARY THE FOLLOWING PARCEL(S) SHOULD READ AS FOLLOWS --- NORTHERN REGION --- LEASE HECTARES LAND DESCRIPTION ----- -------- ---------------- A0174 64 5-14-050: 35NE PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE BLUESKY - BULLHEAD (DRRZD 21) -------------------------------------------------------------------------------- END DEEPER RIGHTS REVERSION ZONE DESIGNATIONS APPLICABLE TO THE 2001, DECEMBER 12 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 2001 November 14 Brenda Ponde - Director EDMONTON, Alberta P & NG Agreement Sales