Corporate Office: Suite 305 - 675 West Hastings Street Vancouver, B.C. Canada V6B 1N2 Tel: (604) 688-7523 Fax: (604) 681-0122 Email:  [email protected] Website: www.americanbonanza.com Investor Relations: Contact:  Bruce Korhonen Phone:  Toll free 1-866-684-4743 ext. 30 Email:  [email protected] Exploration Office: 290 Gentry Way Suite 6 Reno, Nevada  89502 Tel:  (775) 824-0707 Fax:  (775) 824-0898 Mine Office: Copperstone Mine Site Route 95, Quartzite, Arizona 85346 Directors and Officers: Ian W. Telfer Advisor to the Board of Directors Robert Blakestad Advisor to the Board of Directors Robert T. McKnight Director Ronald K. Netolitzky Director James Bagwell Director Donald Lay Director Carl Ravinsky Director Brian P. Kirwin Director, President & CEO Giulio T. Bonifacio Director, Executive Vice President & CFO Joe Kircher Vice President, Chief Operating Officer Foster V. Wilson Vice President Corporate Development

Share Listing: TSX: BZA US Symbol: ABGFF Share Capital Common Shares Issued & Outstanding: (at April 4, 2006) 85,828,977 Registrar and Transfer Agent: Computershare Trust Company of Canada Solicitors: Lang Michener Vancouver, B.C., Canada Davis & Company Vancouver, B.C., Canada Woodburn and Wedge Reno, NV, USA Erwin & Thomas LLP Reno, NV, USA Auditors: KPMG LLP Chartered Accountants Vancouver, B.C., Canada