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Cripple Creek & Victor Gold Mine <br />Valley Leach Facility Expansions <br />Detailed Design for Permitting <br />NewFields Project No. 475.0106.064 <br />September 2025 <br /> <br /> <br /> <br />Page 2 <br />These Expansions will also incorporate the western side of Joe Dandy Hill. Joe Dandy Hill will be <br />brought to design grade by either cutting back existing slopes or placing structural fill to achieve <br />a slope no greater than a 2 horizontal (H):1 vertical (V). The majority of the proposed grading will <br />follow existing ground except where two embankments will be constructed for containment in <br />the VLF1 Phase 6 Expansion. <br />The VLF Expansions will be constructed in four stages: <br /> VLF2 Phase 4 Stage A <br />o 2.0 million square feet of lined pad, <br />o Converts the current Mill Platform to a leach pad, <br />o Pad is graded to drain towards the existing VLF2 Phase 1/2 PSSA. <br />o Refer to Drawing A012. <br /> VLF2 Phase 4 Stage B <br />o 2.1 million square feet of lined pad, <br />o Pad is graded to drain towards existing VLF2 Phase 1/2 PSSA. <br />o Refer to Drawing A013. <br /> VLF1 Phase 6 Stage A <br />o 2.9 million square feet of lined pad, <br />o New PSSA located on the western portion of the footprint, <br />o Two proposed earthen embankments to be constructed, <br />o Pad is graded to drain towards the new PSSA. <br />o Refer to Drawing A014 stage limits and Drawing A015 for limits of PSSA. <br /> VLF1 Phase 6 Stage B <br />o 1.5 million square feet of lined pad, <br />o Drains to proposed VLF1 Phase 6 PSSA, <br />o Refer to Drawing A016. <br />The proposed ore stacking plan ties into the existing ore on VLF1 VLF2 with a proposed overall <br />slope of 2.5(H):1(V). The design assumes an ore lift height of 100-feet placed at an angle of <br />repose, approximately 1.5(H):1(V), and 100-foot-wide benches between lifts. In accordance with <br />the previous designs, the maximum design ore depth over the liner is 800 feet. The closure <br />conditions have a proposed overall reclamation slope of 2.5(H):1(V).