Copper $ 2.91 -0.04 -1.2% Volume: 1,322 September 21, 2017
Silver $ 16.98 +0.00 +0% Volume: September 24, 2017
Gold $ 1,293.91 +0.00 +0% Volume: September 24, 2017
TSX: MUX $ 2.53 +0.05 +2.02% Volume: 568,399 September 22, 2017
NYSE: MUX $ 2.06 +0.05 +2.49% Volume: 5,345,946 September 22, 2017
1,290.60 -21.40 -1.63% Volume: 12 Pricing delayed 20 minutes September 21, 2017 11:10 PM
Operations
Operations

Gold Resources


Measured  Indicated Measured + Indicated Inferred
43-101 Gold Resources  Tonnes (millions) Grams per tonne Ounces  Tonnes (millions) Grams per tonne Ounces  Tonnes (millions) Grams per tonne Ounces  Tonnes (millions) Grams per tonne Ounces 
Argentina                        
San José (49%)
(incl. Reserves)
0.8
8.20 213,000
0.9
6.26
187,000
1.7
7.16
399,000
0.5 6.40 105,000
Los Azules  
  389.0 0.07 840,000 389.0 0.07 840,000 1,397.0 0.06 2,580,000
Mexico                        
El Gallo Mine
2.4 2.14
167,000
1.4 2.24
100,000
3.8 2.18
267,000
0.1 1.67 3,700
El Gallo Silver  25.0 0.10   79,000 9.3 0.41  123,000
34.3   0.18 202,000
 8.5 0.24  67,000
Nevada      
 
           
Tonkin 17.5 1.44 820,000 14.7 1.34 627,000 32.3 1.39 1,447,000 8.4 1.13 311,000
Gold Bar (incl. Reserves) 2.5 1.09 96,000 17.6 0.84 516,000 20.1 0.87 611,000 4.2 0.75 111,000
New Pass (50%) 5.0 0.97 156,000 0.1 0.59 1,000 5.1 0.97 157,000      
Limo 5.9 0.89 168,000 3.7 0.61 73,000 9.6 0.78 241,000 2.2 0.70 51,000
Canada      
 
           
Timmins, Open Pit 0.5 2.44 36,000 12.1 1.89 741,000 12.6 1.91 777,000 6.3 1.79 358,000
Timmins, Underground 0.4 5.56 64,000 4.1 4.82 628,000 4.4 4.88 692,000 4.2 4.35 596,000
                         
TOTAL     1,797,000     3,836,000
    5,632,000     4,182,000

Silver Resources


Measured  Indicated Measured + Indicated Inferred
43-101 Silver Resources  Tonnes (millions) Grams per tonne Ounces  Tonnes (millions) Grams per tonne Ounces  Tonnes (millions) Grams per tonne Ounces  Tonnes (millions) Grams per tonne Ounces 
Argentina      
 
     
   
San José (49%)
(incl. Reserves)
0.8
564 14,651,000 0.9
404
12,054,000 1.7
479 26,705,000 0.5 404
6,615,000
Los Azules       389 2 22,900,000 389 2 22,900,000 1,397.0 2 85,800,000
Mexico
     
 
     
   
El Gallo Mine
 2.47
 579,000 1.4 8337,000
 3.8 7915,000
0.1
 1226,000
El Gallo Silver
 25.0  67 53,778,000 9.3 34 10,103,000
 34.3 58 63,881,000
 8.5 53 14,482,000
Nevada
                       
New Pass (50%) 5.0 8 1,320,000 0.1 3 7,000 5.1 8 1,326,000      
       
 
           
TOTAL     70,327,000
    45,400,000     115,727,000     106,922,000

Copper Resources


Measured  Indicated Measured + Indicated Inferred
43-101 Copper Resources  Tonnes (millions) % Copper Pounds  Tonnes (millions) % Copper Pounds (millions) Tonnes (millions) % Copper Pounds (millions)  Tonnes (millions) % Copper Pounds (millions) 
Argentina           
 
     
   
Los Azules       389 0.63 5,400 389 0.63 5,400 1397.0 0.46 14,300

                       
TOTAL           5,400     5,400     14,300

Gold Reserves

  Proven Probable Proven + Probable
43-101 Gold Reserves  Tonnes (millions) Grams per tonne Ounces  Tonnes (millions) Grams per tonne Ounces  Tonnes (millions) Grams per tonne Ounces 
Nevada                  
Gold Bar  1.8  1.21  76,000 10.1 0.96 342,000 11.9 1.00 419,000
Argentina                  
San José (49%) 0.6 7.34 134,000 0.3 6.57 68,000 0.9 7.06
202,000
                   
TOTAL     210,000     410,000     621,000

Silver Reserves


Proven Probable Proven + Probable
43-101 Silver Reserves  Tonnes (millions) Grams per tonne Ounces  Tonnes (millions) Grams per tonne Ounces  Tonnes (millions) Grams per tonne Ounces 
Argentina                  
San José (49%) 0.6 502 9,212,000 0.3 401
4,116,000 0.9 465 13,328,000
                   
 TOTAL      9,212,000     4,116,000     13,328,000

San José resources and reserves estimates on this page were derived from the news release titled "McEwen Mining Reports 2015 Full Year and Q4 Results" dated March 11, 2016. To access the news release click here.

Los Azules resource estimates on this page were derived from the news release titled “McEwen Mining's Los Azules Copper Project Continues to Grow!” released on May 15, 2013 by McEwen Mining. To access the news release click here.

El Gallo Mine resource estimates on this page were derived from the news release titled "McEwen Mining Reports 2015 Full Year and Q4 Results" dated March 11, 2016. To access the news release click here.

El Gallo Silver resource estimates on this page was derived from the technical report titled "Resource Estimate for the El Gallo Complex, Sinaloa State, Mexico" dated August 30, 2013 with an effective date of June 30, 2013, prepared by John Read, C.P.G., and Luke Willis, P. Geo. Both Mr. Read and Mr. Willis are not considered independent of the Company as defined in Section 1.5 of NI 43-101. To access the report click here.

Gold Bar technical information on this page was derived from the technical report titled “NI 43-101 Technical Report on Resources and Reserves Gold Bar Project, Eureka County, Nevada” dated December 03, 2015 with an effective date of September 19, 2015, prepared by Breese Burnley, PE., Kent Hartley, PE., Brooke Miller, CPG., Jay Pennington, CPG., Daniel Sepulveda, SME-RM., Justin Smith, SME-RM, PE., Mark Willow, SME-RM, CEM,, all of whom are qualified persons and all of whom are independent of McEwen Mining, each as defined by NI 43-101. To access the report click here.

Tonkin resource estimates on this page were derived from a report titled "Technical Report on the Tonkin Project" with an effective date of May 16, 2008 prepared by Alan C. Noble, P.E., Ore Reserves Engineering, Richard Gowans, Micon International and Steven Brown, US Gold Corporation. Mr. Noble and Mr. Gowans are independent of US Gold Corporation and a Qualified Person as defined by NI 43-101. To access the report click here.

Limo resource estimates on this page were derived from a report titled "NI 43-101 Technical Report for the Limousine Butte Project, White Pine County, Nevada" with an effective date of July 1, 2009 prepared by John Welsh, P. Eng., Kim Drossulis, Senior Engineer, Jonathan Brown, M.B.A., C.P.G., Doug Willis, Geologist, Christine Ballard, Project Geotechnical Engineer, Eric Haddox, P. Eng. Each of the report authors is independent of US Gold Corporation and a Qualified Person as defined by NI 43-101. To access the report click here.

New Pass resource estimates on this page were derived from a report titled "NI 43-101 Technical Report for the New Pass Project, Churchill County, Nevada" with an effective date of December 23, 2009 prepared by Jonathan M. Brown, CPG, MBA, Kim Drossulis, Senior Engineer, Doug Willis, Geologist, Christine Ballard, Geotechnical Engineer at Telesto Nevada Inc. Each of the report authors is independent of US Gold Corporation and Jonathan M. Brown is a Qualified Person as defined by NI 43-101. To access the report click here.

All resource and reserve estimates reported by McEwen Mining Inc. are calculated in accordance with 43-101 and the Canadian Institute of Mining and Metallurgy Classification system. These standards differ significantly from the requirements of the U.S. Securities and Exchange Commission. Mineral resources which are not mineral reserves do not have demonstrated economic viability.


Reserves and Resources

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