ADDITION TO NOTICE OF WITHDRAWAL PUBLIC OFFERING OF CROWN PETROLEUM AND NATURAL GAS RIGHTS 1997 MARCH 19 12 NOON, CALGARY FIRST NOTICE OF WITHDRAWAL February 5, 1997 THE FOLLOWING PARCELS ARE WITHDRAWN FROM THE MARCH 19, 1997 PUBLIC OFFERING A726, A728, A729 SECOND NOTICE OF WITHDRAWAL MARCH 17, 1997 PLEASE NOTE THAT THE FOLLOWING PARCEL HAS ALSO BEEN WITHDRAWN FROM THE MARCH 19/97 PUBLIC OFFERING A0752 4-03-064: 17SE P&NG IN THE BASE U CLY TO T MCMURRAY BELOW THE BASE OF THE MANNVILLE 1997 February 05 AND March 17, 1997 EUGENE SALDANHA, MANAGER EDMONTON, ALBERTA P&NG ADMINISTRATION