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G-2 Current (2023) Configuration <br /> The Climax Mine is currently an active mining operation with future production levels adjusted in response to <br /> demand for molybdenum concentrate. Tailings can be deposited in either Mayflower TSF or Tenmile TSF, <br /> with the majority of future deposition going to Mayflower TSF. Planning and permitting activities are taking <br /> place to enable the Climax Mine to conduct ongoing reclamation activities. Due to the configuration of the site <br /> that has developed from past mining activities,the operation of various water handling systems must continue <br /> in order to comply with regulatory requirements. Over the years,CMC has dedicated significant resources to <br /> the development of water resource systems at the site and has achieved an excellent record of regulatory <br /> compliance. This includes vigilant water management and water treatment to comply with discharge permit <br /> requirements,as well as establishing and maintaining a water system to support mining operations. Various <br /> changes to this system will be necessary to transition the site to a closure scenario. <br /> G-2.1 System Overview <br /> The original mine plan called for the deposition of about 26 million tons of tailings into Tenmile TSF and the <br /> remainder, which constitutes the vast majority of future mill tailings, into Mayflower TSF. As of the end of <br /> 2022, approximately 22 million tons of tailings have been deposited in Tenmile TSF. Also as of the end of <br /> 2022, approximately 40 million tons of tailings have been deposited in Mayflower TSF. Although Mayflower <br /> TSF is the primary storage facility going forward,Tenmile TSF remains operational as a backup if needed for <br /> tailings deposition. <br /> When tailings are being deposited into Mayflower TSF, its water pool provides first-stage treatment rather <br /> than second-stage treatment as it did during initial Tenmile TSF deposition. This change mandated the <br /> implementation of the new second-stage treatment facility that was commissioned in 2014. The new <br /> treatment plant is referred to as the Property Discharge Water Treatment Plant(PDWTP)and is located near <br /> the north end of the Climax Mine property. Process water now receives first-stage treatment at the SDP, in <br /> the Tenmile TSF water pool,or in the Mayflower TSF water pool and second-stage treatment at the PDWTP. <br /> Also required for tailings deposition on Mayflower TSF was a new water pumping system, the Mayflower <br /> Pump Barges,which are required to deliver process water from the Mayflower TSF water pool to Robinson <br /> Lake through the Tenmile Tunnel(Mill Barge)and to the PDWTP fortreatment and release to Tenmile Creek <br /> (Plant Barge). The tailing delivery line has been extended from 3 Dam to 5 Dam and a new tailing distribution <br /> system on 5 Dam has been installed. A general arrangement of the Current Configuration system is shown <br /> on Figure G-01 and a schematic depiction of the system is shown on Figure G-02. Reference Section G-6 for <br /> a description of the CMC water rights portfolio. <br /> G-2.2 Fresh Water Interceptor and Bypass Systems <br /> As shown on Figure G-01, an extensive system of interception and bypass facilities has been developed at <br /> the Climax Mine. The purpose of these facilities is to limit the inflow of fresh water into the process water <br /> system where the flows would become impacted and require treatment prior to discharge to Tenmile Creek. <br /> The facilities generally consist of canals, culverts, and pipelines that traverse the perimeter of the impacted <br /> affected land areas and discharge into the stream system. These facilities are generally designed to convey <br /> normal snowmelt and rainfall runoff. The following bypass systems are currently in operation at the site: <br /> ■ East Interceptor(open channel, culverts, pipeline); <br /> ■ Clinton Reservoir and Canal (open channel and culverts); <br /> ■ West Interceptor(open channel, culverts, pipeline); <br /> ■ West Interceptor South (open channel); <br /> ■ Chalk Mountain Interceptor(open channel and culverts); and <br /> ■ Storke Area Interceptor(open channel and culverts); <br /> Operation and maintenance of these systems is an ongoing process. Periodic minor modifications and <br /> improvements are also made to the facilities as necessary. <br /> Exhibit G G-3 May 2024 <br />