Two notice of Amendments, for the June 16, 1999 Public Offering are printed below in ascending order: First Notice - Published - June 10, 1999 Second Notice - Published - June 15, 1999 ========================================== FIRST NOTICE: NOTICE OF AMENDMENT PUBLIC OFFERING OF CROWN PETROLEUM AND NATURAL GAS RIGHTS 1999 JUNE 16 12 NOON, CALGARY THE FOLLOWING PARCEL(S) SHOULD READ AS FOLLOWS: --- PLAINS REGION --- LEASE HECTARES LAND DESCRIPTION ----- -------- ---------------- A0240 128 (APPENDIX 3) 4-11-029: 24W PETROLEUM AND NATURAL GAS TO THE BASE OF THE MANNVILLE GRP (DRRZD 4) -------------------------------------------------------------------------------- END DEEPER RIGHTS REVERSION ZONE DESIGNATIONS APPLICABLE TO THE 1999, JUNE 16 PUBLIC OFFERING NOTICE (Refer to Information Letter 98-14) DRRZD: 4 Zone: 2480 MANNVILLE GRP KEY WELL: 00/06-16-041-08W4/0 INTERVAL: 2,557.00 - 2,985.00 Feet LOG TYPE: INDUCTION ELECTRICAL -------------------------------------------------------------------------------- END ADDENDA AND CONTACTS APPLICABLE TO THE 1999, JUNE 16 PUBLIC OFFERING NOTICE LEASE A0240 THE FREEHOLD WELL 00/16-23-029-11 W4/0 CREATES AN OFFSET DRILLING OBLIGATION. THE DEPARTMENT WILL GIVE THE OFFSET NOTICE PURSUANT TO SECTION 20 OF THE PETROLEUM AND NATURAL GAS TENURE REGULATION, FOLLOWING THE ISSUANCE OF THIS LEASE. FOR FURTHER INFORMATION, PLEASE CONTACT: EUGENE SALDANHA MANAGER P & NG ADMINISTRATION DEPARTMENT OF RESOURCE DEVELOPMENT MINERAL OPERATIONS DIVISION MINERALS TENURE & FREEHOLD TAX BRANCH 9945 108 ST NW FLOOR 2 EDMONTON AB T5K 2G6 (780) 422-9426 -------------------------------------------------------------------------------- END 1999 June 10 EUGENE SALDANHA, MANAGER EDMONTON, Alberta P & NG AGREEMENT SALES AND OFFSETS ================================================================================= SECOND NOTICE: SECOND NOTICE OF AMENDMENT PUBLIC OFFERING OF CROWN PETROLEUM AND NATURAL GAS RIGHTS 1999 JUNE 16 12 NOON, CALGARY THE FOLLOWING PARCEL(S) SHOULD READ AS FOLLOWS: --- PLAINS REGION --- LEASE HECTARES LAND DESCRIPTION ----- -------- ---------------- A0259 230 4-28-036: 30E,WF PETROLEUM AND NATURAL GAS ---------------------------------------------------------------------------------------------- END END 1999 June 15 EUGENE SALDANHA, MANAGER EDMONTON, Alberta P & NG AGREEMENT SALES AND OFFSETS