SECOND NOTICE OF AMENDMENT PUBLIC OFFERING OF CROWN PETROLEUM AND NATURAL GAS RIGHTS 2002 April 17 12 NOON, CALGARY THE FOLLOWING PARCEL(S) SHOULD READ AS FOLLOWS: --- PLAINS REGION --- LEASE HECTARES LAND DESCRIPTION ----- -------- ---------------- A0287 256 4-26-039: 2 PETROLEUM AND NATURAL GAS TO THE BASE OF THE WABAMUN GRP (DRRZD 277) -------------------------------------------------------------------------------------- A0288 256 4-26-039: 24 PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE BELLY RIVER GRP (DRRZD 39) TO THE BASE OF THE WABAMUN GRP (DRRZD 277) -------------------------------------------------------------------------------------- END DEEPER RIGHTS REVERSION ZONE DESIGNATIONS APPLICABLE TO THE 2002, APRIL 17 PUBLIC OFFERING NOTICE (Refer to Information Letter 98-14) DRRZD: 39 Zone: 1260 BELLY RIVER GRP KEY WELL: 00/07-18-032-22W4/0 INTERVAL: 1,688.00 - 2,453.00 Feet LOG TYPE: INDUCTION ELECTRICAL --------------------------------------------------------------------------------------- DRRZD: 277 Zone: 6580 WABAMUN GRP KEY WELL: 00/03-10-063-26W5/0 INTERVAL: 10,452.00 - 11,198.00 Feet LOG TYPE: BOREHOLE COMPENSATED SONIC --------------------------------------------------------------------------------------- END 2002 April 03 Brenda Ponde - Director EDMONTON, Alberta P & NG Agreement Sales