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AuRico Gold (AUQ) Updates on Reserves at Young-Davidson, El Chanate

February 19, 2015 4:37 PM EST

AuRico Gold (NYSE: AUQ) reported its updated Reserves and Resources, as at December 31, 2014. (Detailed Mineral Reserve and Resource tables can be found at the end of this press release).

Mineral Reserves and Resources

Reserve Highlights

As at December 31, 2014, the Company is reporting:

  • Reserves at the Young-Davidson underground mine increased by 207,000 ounces, or 6%, over 2013, as the Company was successful in replacing production and increasing reserves.
  • Reserves decreased by 37% at the El Chanate mine, due to both mining depletion and a reduction in overall slope angles, while reserve grades increased by 5%. The reduction in planned slope angles came after a thorough external geotechnical review of geotechnical drilling, mapping and slope performance.

Gold Reserves by asset are summarized in the table below:

Proven and Probable Mineral Reserves1
Gold ounces (000's)Gold grade (g/t)
31-Dec-1420142013Change (%)20142013Change (%)
Young-Davidson Underground3,7633,5566%2.742.81(3%)
Young-Davidson Surface61140(57%)0.761.10(31%)
Total Young-Davidson 3,8233,6963%2.632.66(1%)
Total El Chanate6461,023(37%)0.740.705%
Kemess Underground1,8051,8050%0.560.560%
AuRico Total6,2746,524(4%)1.131.076%
��1.�� Detailed Mineral Reserve and Mineral Resource tables follow at the end of this press release.

In addition to gold reserves, the Company is also reporting copper reserves of:

  • 619 million pounds at the Kemess Underground Project at a reserve grade of 0.28%, using a copper price of $3.00 per pound.

"We remain encouraged with the quality of the underground reserve base reported from our cornerstone Young-Davidson mine, which has increased over the prior year with a consistent grade profile. This robust ore body is comprised of low cost, long life, high margin ounces and this asset is positioned for a long and profitable mine life." stated Scott Perry, President and Chief Executive Officer. He continued, "Company-wide, we are also reporting a significant increase in our resource base in Canada as a result of our successful drilling program at Kemess East, as well as through our strategic joint venture on the promising Lynn Lake Project."

Resource Highlights

As at December 31, 2014 the Company is also reporting the following Mineral Resources, which are in addition to reserves:

  • Measured and Indicated gold resources of 4.1 million gold ounces at a grade of 0.84 g/t, an increase of 1.6 million ounces, or 64%, primarily related to additional resources from the Kemess East and Lynn Lake Projects; and
  • Inferred gold resources of 2.4 million gold ouncesat a grade of 0.52 g/t, an increase of 1.9 million ounces, or 409%, primarily related to additional inferred resources from the Kemess East and Lynn Lake Projects.

Gold mineral resources as at December 31, 2014 by asset are summarized in the table below:

Gold Resources (in thousands of gold ounces)1
Measured & IndicatedInferred
December 31, 20142014201320142013
Young-Davidson Underground1,4301,484320323
Young-Davidson Surface693211
Young-Davidson Total1,4991,516321324
El Chanate Total6949214
Kemess Underground854854125125
Kemess East939-1,424-
Kemess Property Total1,7938541,549125
Lynn Lake Total (25%)657-522-
Orion Total (50%)65651010
AuRico Total4,0832,4842,404472

The Company is also reporting by-product mineral resources:

  • Indicated by-product resources including:
    • 346 million pounds of copper from the Kemess Underground Project at a grade of 0.24%; and
    • 504 million pounds of copper from the Kemess East Project at a grade of 0.41%.
  • Inferred by-product resources including:
    • 46 million pounds of copper from the Kemess Underground Project at a grade of 0.21%; and
    • 871 million pounds of copper from the Kemess East Project at a grade of 0.34%.

Chris Bostwick, Senior Vice President, Technical Services for AuRico Gold Inc. has reviewed the scientific and technical information contained within this press release and serves as the Qualified Person as defined by National Instrument 43-101.

Reserves and Resources (as of December 31, 2014)

Mineral Reserve Estimates - Gold
TonnesGradeOunces
Category(000's)(g/t)(000's)
Young-DavidsonSurfaceProven2,5010.7661
Probable---
P&P2,5010.7661
UndergroundProven12,4992.831,137
Probable30,2742.702,626
P&P42,7732.743,763
Total Young-DavidsonP&P45,2732.633,823
El ChanateProven18,2550.80472
Probable8,9580.60174
Total El ChanateP&P27,2130.74646
Kemess UndergroundProven---
Probable100,3730.561,805
Total KemessP&P100,3730.561,805
AuRico TotalP&P172,8601.136,274
Mineral Resource Estimates - Gold
CategoryTonnesGradeOunces
(000's)(g/t)(000's)
Young-DavidsonSurfaceMeasured4961.1318
Indicated1,2421.2851
M&I1,7391.2469
UndergroundMeasured7,8553.28829
Indicated6,0903.07601
M&I13,9463.191,430
Total Young-DavidsonM&I15,6842.971,499
SurfaceInferred310.991
UndergroundInferred3,6082.76320
Total Young-DavidsonInferred3,6392.75321
El ChanateMeasured9230.5817
Indicated1,8420.8752
Total El ChanateM&I2,7640.7769
Inferred1840.382
Kemess UndergroundMeasured---
Indicated65,4320.41854
Total Kemess UndergroundM&I65,4320.41854
Inferred9,9690.39125
Kemess EastMeasured---
Indicated55,8640.52939
Total Kemess EastM&I55,8640.52939
Inferred117,1520.381,424
Lynn Lake (25%)MacLellanMeasured3,7531.99240
Indicated4,3441.75244
M&I8,0961.86484
Inferred4752.0131
Farley LakeMeasured---
Indicated1,4793.21153
M&I1,4793.21153
Inferred1,0912.87101
Burnt TimberMeasured---
Indicated2551.4011
M&I2551.4011
Inferred5,8601.04195
LinkwoodMeasured---
Indicated2461.169
M&I2461.169
Inferred5,2511.16196
Total Lynn LakeM&I10,0762.03657
Inferred12,6761.28522
Orion (50%)Measured---
Indicated5543.6665
Total OrionM&I5543.6565
Inferred913.3310
AuRico TotalM&I150,3730.844,083
Inferred143,7110.522,404

Mineral Reserve and Resource Estimates - Copper and Silver
GradeContained Metal
TonnesCuAgCuAg
Category(000's)(%)(g/t)(000's) lbs(000's) oz
Kemess UndergroundProbable Reserves100,3730.282.0619,1516,608
Indicated Resources65,4320.241.8346,5463,811
Inferred Resources9,9690.211.646,101503
Kemess EastIndicated Resources55,8640.412.0503,6633,601
Inferred Resources117,1520.341.8871,4076,739
Orion (50%)Indicated Resources554-309-5,503
Inferred Resources91-95-275

Notes to Mineral Reserve and Resource tables:

  • Mineral Reserves and Resources have been stated as at December 31, 2014.
  • Mineral Resources are exclusive of Mineral Reserves. Mineral Resources that are not Mineral Reserves do not have demonstrated economic viability.
  • El Chanate and Young-Davidson assumed a gold price of $1,250 per ounce for reserves and $1,450 per ounce for resources.
  • Kemess Underground assumed a gold price of $1,300 per ounce, a silver price of $23.00 per ounce, and a copper price of $3.00 per pound for reserves. Kemess Underground assumed a $13.00 NSR cutoff for resources. Kemess East assumed a $15.00 NSR cutoff for resources.
  • Lynn Lake assumed a gold price of $1,555 per ounce for resources.
  • Orion assumed a gold price of $850 per ounce and a silver price of $13.00 per ounce for resources.
  • Mineral Reserves assume the following cutoff grades and process recoveries:
    • Young-Davidson - Surface: 0.50 gpt cutoff, 91% mill recovery
    • Young-Davidson - Underground: 1.90 gpt cutoff, 91% mill recovery
    • El Chanate: 0.15 gpt cutoff, 30%-65% leach recovery
    • Kemess Underground: $15 NSR cutoff, mill recovery of 72% for gold and 91% for copper
  • Mineral Resources and Mineral Reserves have been classified in accordance with Canadian Institute of Mining, Metallurgy and Petroleum ("CIM") "CIM Definition Standards - For Mineral Resources and Mineral Reserves" adopted by the CIM Council in accordance with the requirements of National Instrument 43-101 Standards of Disclosure for Mineral Projects ("NI 43-101"), as is required by Canadian securities regulatory authorities. In addition, while the terms "Measured", "Indicated and "Inferred" Mineral Resources are required pursuant to NI 43-101, the SEC does not recognize such terms. Canadian standards differ significantly from the requirements of the SEC, and mineral resource information contained herein is not comparable to similar information regarding mineral reserves disclosed in accordance with the requirements of the SEC. Investors should understand that "Inferred" Mineral Resources have a great amount of uncertainty as to their existence and great uncertainty as to their economic and legal feasibility. In addition, investors are cautioned not to assume that any part or all of AuRico's Mineral Resources constitute or will be converted into Reserves.
  • Orion Mineral Resources are reflected on a 50% basis.� Following the completion of a joint venture agreement, Minera Frisco, S.A.B. de C.V. has a 50% interest in the Orion project.
  • Lynn Lake Mineral Resources are reflected on a 25% basis. AuRico acquired a 25% interest in the Lynn Lake properties in November 2014.
  • Mineral Reserve and Resource tonnage and contained metal have been rounded to reflect the accuracy of the estimate, and numbers may not add due to rounding.
  • The Company's normal data verification procedures have been used in collecting, compiling, interpreting and processing the data used to estimate mineral reserves and mineral resources and data underlying the information, opinion and outlook contained herein. Independent data verification has not been performed.
  • Mineral Resources were prepared under the supervision and review of Jeffrey Volk, CPG, FAusIMM, the Director of Reserves and Resources, for AuRico Gold Inc. Mineral Reserves were prepared under the supervision and review of Chris Bostwick, FAusIMM, the Senior Vice President Technical Services, for AuRico Gold Inc. Both Messrs Volk and Bostwick are "Qualified Persons" as defined by National Instrument 43-101.�


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