SECOND NOTICE OF AMENDMENT PUBLIC OFFERING OF CROWN PETROLEUM AND NATURAL GAS RIGHTS 2002 May 15 12 NOON, CALGARY THE FOLLOWING PARCEL(S) SHOULD READ AS FOLLOWS: --- PLAINS REGION --- LEASE HECTARES LAND DESCRIPTION ----- -------- ---------------- A0310 256 5-02-039: 30 PETROLEUM AND NATURAL GAS BELOW THE BASE OF THE JURASSIC SYSTEM (DRRZD 90) ----------------------------------------------------------------------------------- END DEEPER RIGHTS REVERSION ZONE DESIGNATIONS APPLICABLE TO THE 2002, MAY 15 PUBLIC OFFERING NOTICE (Refer to Information Letter 98-14) DRRZD: 90 Zone: 4000 JURASSIC SYSTEM KEY WELL: 00/06-29-039-03W5/0 INTERVAL: 7,052.00 - 7,148.00 Feet LOG TYPE: INDUCTION ELECTROLOG ---------------------------------------------------------------------------------- END 2002 May 01 Brenda Ponde - Director EDMONTON, Alberta P & NG Agreement Sales