2005 NEWS RELEASES Aug 31, 2005: AMERICAN BONANZA DRILLS CORTEZ TREND PROPERTY American Bonanza Gold Corp. (TSX: BZA) (“Bonanza”) is pleased to announce that a drill rig is being mobilized to the company’s 100% owned Gold Bar property on the southern portion of the Cortez Trend in Nevada. Aug 11, 2005: AMERICAN BONANZA INITIATES EXPLORATION PROGRAM AT FENELON American Bonanza Gold Corp. (TSX: BZA) (“Bonanza”) is pleased to announce the commencement of an advanced exploration program at the Company’s 100% owned Fenelon Project... Aug 8, 2005: AMERICAN BONANZA CLOSES PRIVATE PLACEMENT TOTALING $4.4 MILLION AMERICAN BONANZA GOLD CORP. is pleased to announce that it has closed the previously announced brokered private placement totaling $4.4 million with a syndicate led by Desjardins Securities Inc. and including Canaccord Capital Corporation. Aug 3, 2005: AMERICAN BONANZA REPORTS EXCELLENT METALLURGICAL RESULTS FOR COPPERSTONE American Bonanza Gold Corp. (TSX: BZA) (“Bonanza”) is pleased to announce excellent metallurgical testwork results from representative drill core composites taken from both the D and Highwall mineralized zones… Jul 21, 2005: AMERICAN BONANZA ANNOUNCES PRIVATE PLACEMENT AMERICAN BONANZA GOLD CORP. (TSX: BZA) (“Company”) is pleased to announce that it has negotiated, subject to regulatory approval and formal documentation, a brokered private placement with a syndicate led by Desjardins Securities Inc. and including Canacc Jun 17, 2005: AMERICAN BONANZA INITIATES PRE-FEASIBILITY FOR COPPERSTONE American Bonanza Gold Corp. is very pleased to announce that the Pre-Feasibility Study has officially commenced with initial on-site meetings recently held at the Company’s 100% owned high grade gold project, Copperstone in Arizona. Jun 8, 2005: AMERICAN BONANZA REPORTS HIGH GRADE DRILLING WITH 32.5 G/T GOLD OVER 4.2 METRES American Bonanza Gold Corp. has confirmed continued very impressive high-grade drilling results from its underground drilling program at its 100-per-cent-owned high-grade Copperstone gold project in Arizona. Jun 2, 2005: AMERICAN BONANZA CLOSES RESTRUCTURING OF LOAN FACILITY AMERICAN BONANZA GOLD CORP. is pleased to announce that it has closed the previously announced restructuring of its loan facility with Stonegate Management Limited. May 13, 2005: AMERICAN BONANZA RESTRUCTURES LOAN FACILITY AMERICAN BONANZA GOLD CORP. is pleased to announce that it has entered into an agreement with an effective date of April 1, 2005 with Stonegate Management Ltd., a company operating at arms length to Bonanza... May 9, 2005: AMERICAN BONANZA COMMISSIONS PRE-FEASIBILITY STUDY FOR COPPERSTONE AMERICAN BONANZA GOLD CORP. (TSX: BZA) is pleased to announce the commissioning of a Pre-Feasibility study for the Company’s 100% owned high grade gold project, Copperstone in Arizona. Apr 13, 2005: AMERICAN BONANZA DRILLS 41.8 GRAMS PER TONNE GOLD OVER 9.8 METRES (6 METRES TRUE THICKNESS) AMERICAN BONANZA GOLD CORP. (TSX: BZA) announces an update to the underground drilling program at its 100% owned high-grade Copperstone gold project in Arizona. Mar 31, 2005: AMERICAN BONANZA REPORTS TWO DISCOVERIES AT COPPERSTONE AMERICAN BONANZA GOLD CORP. announces that it has discovered two significant gold mineralized zones at its 100% owned high-grade Copperstone gold project in Arizona, based on three dimensional analysis of recent drilling results. Mar 30, 2005: BONANZA, TAURUS AND FAIRSTAR COMPLETE MERGER AND FENELON ACQUISITION American Bonanza Gold Mining Corp., International Taurus Resources Inc. and Fairstar Explorations Inc. are pleased to announce that final orders of the British Columbia Supreme Court have been obtained for the approval of two statutory Plans of Arrangemen Mar 24, 2005: BONANZA, TAURUS AND FAIRSTAR SHAREHOLDERS APPROVE MERGER AND FENELON ACQUISITION WITH RESOUNDING SHAREHOLDER SUPPORT AMERICAN BONANZA GOLD MINING CORP., INTERNATIONAL TAURUS RESOURCES INC. and FAIRSTAR EXPLORATIONS INC. are pleased to announce that the shareholders of each of the companies, at shareholders meetings held today, have approved... Mar 16, 2005: AMERICAN BONANZA DRILLS 24.1 GRAMS PER TONNE GOLD OVER 7.5 METRES (3.0 METRES TRUE THICKNESS) AMERICAN BONANZA GOLD MINING CORP. (TSX Venture: BZA) announces an update to the underground drilling program at its 100% owned high-grade Copperstone gold project in Arizona. Feb 17, 2005: AMERICAN BONANZA PROVIDES COPPERSTONE SURFACE DRILLING PLAN MAP AMERICAN BONANZA GOLD MINING CORP. (TSX Venture: BZA) announces further to our press release issued February 16, 2005, announcing 60.0 grams per tonne gold over 3.2 metres at the Copperstone project. Feb 16, 2005: AMERICAN BONANZA DRILLS 3.2 METRES GRADING 60.0 GRAMS PER TONNE GOLD AMERICAN BONANZA GOLD MINING CORP. announces that, at the 100% owned high-grade Copperstone gold project in Arizona, significant drilling continues with two reverse circulation drilling rigs... Feb 10, 2005: AMERICAN BONANZA PROVIDES COPPERSTONE D ZONE PLAN MAP AMERICAN BONANZA GOLD MINING CORP. (TSX Venture: BZA) announces further to our press release issued today announcing 36.4 grams per tonne gold over 4.2 metres... Feb 10, 2005: AMERICAN BONANZA DRILLS 36.4 GRAMS PER TONNE GOLD OVER 4.2 METRES TRUE THICKNESS AMERICAN BONANZA GOLD MINING CORP. (TSX Venture: BZA) announces an update to the underground drilling program at its 100% owned high-grade Copperstone gold project in Arizona. ©2004 Bonanza Gold Mining Corp. All rights reserved. // // [email protected]