This document provides an overview of a site tour that was conducted at El Barqueño on September 23, 2015. It begins with standard forward-looking statements and disclaimers about projections. It then provides notes to investors about the use of non-GAAP financial measures in evaluations, production guidance assumptions, mineral resource categories, and scientific and technical data standards. Key points covered include projected total cash costs, all-in sustaining costs, mineral reserve estimates used, and qualifications of individuals who approved the scientific and technical content.