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<br />Cripple Creek & Victor Gold Mining Company Exhibit D Cresson Project Amendment 13 6 <br />3 SEQUENCE OF DEVELOPMENT – SURFACE MINING OPERATIONS <br />The following section describes the sequencing of mining operations. In general, surface operations will continue as permitted in prior amendments for the purpose of extracting, refining and selling gold ore, which is the primary commodity. Mineralized waste mining will be added to surface operations when economic conditions permit, per approved TR-104. <br />The sequence and timing of operations for the active mining, mineralized waste re-mining, ore placement, continued recovery, neutralization, reclamation, and other activities are approximations only based on anticipated production rates, mining fleet, crusher availability, gold price, gold recovery, and many other factors. <br />Active mining at the site will occur through approximately 2028. The typical crushed ore production rate at Cresson Project is anticipated to be approximately 20 million tons (MT) per year. <br />Mined material from the Main, East, and North Cresson mine areas will be segregated during handling. Materials are identified as overburden, ore, or higher-grade ore. Overburden will be placed in an OSA, used as mine area backfill, or used to modify grade of the Schist Island Mine area to accommodate VLF2 Phase 3. <br />Ore will be placed on the VLF2 or on remaining capacity within VLF1. Generally, higher-grade ore will be placed in one of four storage areas in the vicinity of the Main Cresson Mine area as shown on Drawing C-4a. Higher grade ore ultimately will be placed in the HG Mill feed area or crusher feed area to be processed through the HG Mill. Ground product from the HG Mill facilities will be processed within the Mill to form concentrate or placed on VLF2 for additional gold recovery. In addition, ground product may be leached in tanks in the mill with the residual dry tails pressed in the mill and placed on VLF1 or shipped offsite for further processing. <br />Construction of VLF2 began in 2012. Ore placement within VLF2 began in 2016 on the Phase 1 area. Ore was placed on approved sections of VLF2 Phase 2 in Q3-Q4 of 2019. This Amendment 13 seeks to permit design and construction of VLF2 Phase 3, which is expected to add approximately 118 million tons of capacity. Construction on Phase 3 is expected to begin second quarter 2021 with ore placement expected in mid-2022. With the Phase 3 VLF2 expansion, ore placement on the VLF2 will continue through approximately 2028, followed by continued recovery for approximately ten years, or until roughly 2038. The VLF2 will be rinsed for an approximate six-year period followed by reclamation. Reclamation is anticipated to be completed in 2050. <br />The operation and reclamation period (including reclamation monitoring) for the Cresson Project under Amendment 13 is anticipated to be approximately from 2019-2050. Table D-1 provides an