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F11ITASCA: <br /> Denver, Inc. <br /> EXECUTIVE SUMMARY <br /> This report summarizes the results of the Waste-Rock Characterization Study (WRCS) developed <br /> and conducted by Itasca Denver, Inc. (Itasca) on behalf of Cripple Creek and Victor Gold Mine <br /> (CC&V). The study was divided into two phases. Representative samples were selected for the <br /> Phase I and Phase II static and kinetic geochemical characterization testing based on a large <br /> exploration database for the Cripple Creek and Victor Project (the Project) that included sulfur <br /> and carbon assays for approximately 10,000 intervals of exploration core. The Phase I testing <br /> consisted of selected static tests that were conducted on 29 samples. The Phase I testing results <br /> were used as a basis, together with the existing characterization data, for the selection of 12 <br /> representative samples for comprehensive static and kinetic characterization testing,which was <br /> conducted as Phase II. <br /> In addition to the testing conducted as part of the WRCS,the LECOTM testing results contained in <br /> the Project exploration database were used to guide the selection of representative samples for <br /> the testing as described above. <br /> The WRCS included the following geochemical testing procedures conducted on 12 to 29 <br /> samples selected to be representative of the Project waste rock: <br /> • Phase I static acid-base accounting (ABA) testing via the Nevada Modified Sobek method <br /> to evaluate the overall potential for acid generation, <br /> • Phase I mineralogical analysis by X-ray diffraction (XRD) to quantify the minerals present <br /> in the samples, <br /> • Phase II meteoric water mobility procedure (MWMP) to estimate the static leach <br /> properties of the samples when exposed to meteoric water, <br /> • Phase II net acid-generation (NAG) testing to estimate the amount of acidity resulting <br /> from the complete oxidation of the samples, <br /> • Phase II solid-phase chemical composition testing to provide an upper bound for the total <br /> amount of metals and other elements that could potentially be mobilized from the <br /> samples, and <br /> ix <br />