2004 NEWS RELEASES Dec 22, 2004: FORMAL ARRANGEMENT AGREEMENT EXECUTED WITH TAURUS AND FAIRSTAR AMERICAN BONANZA GOLD MINING CORP., INTERNATIONAL TAURUS RESOURCES INC. and FAIRSTAR EXPLORATIONS INC. are pleased to announce that the Board of Directors of the each of the companies have approved and executed a formal Arrangement Agreement with respect Dec 15, 2004: AMERICAN BONANZA DRILLS 3.0 METRES GRADING 38.2 GRAMS PER TONNE GOLD December 15, 2004 - AMERICAN BONANZA GOLD MINING CORP. (TSX Venture: BZA) (“Bonanza”) announces that, at the 100% owned high-grade Copperstone gold project in Arizona, significant underground and surface drilling work continues with 22,650 metres of a 40, Nov 29, 2004: CONFERENCE CALL TO DISCUSS BONANZA - TAURUS MERGER AND CONSOLIDATION OF FENELON OWNERSHIP Nov 23, 2004: AMERICAN BONANZA AND INTERNATIONAL TAURUS AGREE TO MERGE AND HAVE AGREED WITH FAIRSTAR EXPLORATIONS TO CONSOLIDATE 100 PER CENT OF THE FENELON PROJECT INTO A NEW COMPANY (“NEW BONANZA”) AMERICAN BONANZA GOLD MINING CORP. (TSX Venture: BZA) (“Bonanza”) and International Taurus Resources Inc.(“Taurus”) have unanimously agreed to combine the two companies to create a new gold company which will have interests in several mineral development Oct 6, 2004: AMERICAN BONANZA PROJECT DEVELOPMENT AND DRILL RESULTS AT COPPERSTONE AMERICAN BONANZA GOLD MINING CORP. announces that at the 100% owned high-grade Copperstone gold project significant underground and surface drilling work continues with 17,000 metres of a 40,000 metre drilling program completed to date... Sep 30, 2004: AMERICAN BONANZA ANNOUNCES WARRANT EXTENSION AMERICAN BONANZA GOLD MINING CORP. announces that, subject to regulatory approval, it will extend the expiry date of the non-transferrable common share purchase warrants that would have expired on October 18, 2004 to October 18, 2005. Aug 10, 2004: AMERICAN BONANZA REPORTS HIGH GRADE RESULTS, SIX DRILL RIGS AT COPPERSTONE AMERICAN BONANZA GOLD MINING CORP. is pleased to report drill results from the current drilling programs, and reports the mobilization of a sixth drilling rig at the 100% owned Copperstone Project in Arizona. Jun 14, 2004: AMERICAN BONANZA REPORTS ON BOARD APPOINTMENTS/COPPERSTONE DRILLING AND WARRANT EXERCISE AMERICAN BONANZA GOLD MINING CORP. is pleased to report that at its Annual General Meeting (“AGM”) held on June 11, 2004 that Mr. Ronald Netolitzky, Mr. Robert McKnight, Mr. Brian Kirwin and Mr. Giulio Bonifacio were elected to Bonanza’s Board of Director Jun 2, 2004: AMERICAN BONANZA DRILLS 3.3 METRES GRADING 48 GRAMS PER TONNE GOLD, AND MOBILIZES FOURTH DRILLING RIG TO COPPERSTONE May 17, 2004: AMERICAN BONANZA SUMMARY OF DEVELOPMENT AND EXPLORATION DRILLING AT THE COPPERSTONE PROJECT AMERICAN BONANZA GOLD MINING CORP. (TSX Venture: BZA), (“Bonanza”) is pleased to issue a summary of drilling progress at the 100% owned Copperstone Gold Project in Arizona. Mar 23, 2004: AMERICAN BONANZA DRILLS 17.5 FEET GRADING 1.42 OUNCES PER TON GOLD IN SURFACE DRILLING AT COPPERSTONE AMERICAN BONANZA GOLD MINING CORP. is pleased to report additional drill results from the surface exploration and resource development drilling program... Mar 18, 2004: AMERICAN BONANZA DRILLS HIGH GRADE GOLD IN THE SURFACE DRILLING PROGRAM AT COPPERSTONE AMERICAN BONANZA GOLD MINING CORP. reports positive drill results from the surface drilling program at the 100% owned Copperstone Project in Arizona. Mar 11, 2004: AMERICAN BONANZA REPORTS POSITIVE EXPLORATION DRILL RESULTS AT THE GOLD BAR PROPERTY IN NEVADA AMERICAN BONANZA GOLD MINING CORP. reports positive exploration results from its deep drilling program at the 95% owned Gold Bar Property... Feb 2, 2004: AMERICAN BONANZA ACQUIRES HIGH GRADE SILVER PROPERTY IN NEVADA & GOLDCORP EXERCISES WARRANTS AMERICAN BONANZA GOLD MINING CORP. reports that it has acquired a prospective exploration property in the historic Belmont Mining District of Nevada. Jan 21, 2004: AMERICAN BONANZA ACQUIRES STRATEGIC POSITION IN THE HIGH GRADE OATMAN MINING DISTRICT OF ARIZONA AMERICAN BONANZA GOLD MINING CORP. reports that it has staked a sizeable claim block in the historic Oatman Mining District of Arizona. Jan 14, 2004: AMERICAN BONANZA CONTINUES TO DRILL HIGH GRADE GOLD IN THE D-ZONE & INTERCEPTS HIGH GRADE GOLD IN THE FOOTWALL EXPLORATION TARGET AT COPPERSTONE AMERICAN BONANZA GOLD MINING CORP. is pleased to report additional drill results from the underground core drilling program in progress at the D-Zone target and... ©2004 Bonanza Gold Mining Corp. All rights reserved. // // [email protected]