This news release contains forward-looking information that is subject to risk factors and assumptions set out in the Cautionary Note Regarding Forward-looking Information.  All figures are in United States dollars unless otherwise stated.TORONTO, March 26, 2020 (GLOBE NEWSWIRE) — Centerra Gold Inc. (“Centerra”) (TSX: CG) today issued its 2019 year-end estimates for mineral reserves and mineral resources and announced the publication of a new NI 43-101 technical report relating to the Mount Milligan Mine.  2019 year-end mineral reserves have been estimated based on a gold price of $1,250 per ounce and a copper price of $3.00 per pound.Highlights:Kumtor’s measured and indicated gold resources increased by 3.3 million ounces to 6.3 million contained ounces, exclusive of reserves at an average finding cost of approximately $6 per ounce.Mount Milligan’s reserves and resources have been re-estimated in connection with a new NI 43-101 technical report that was published today, with both gold and copper inventories decreasing.Mount Milligan’s measured and indicated gold resources, exclusive of reserves, decreased by 1.3 million ounces to 1.4 million contained ounces. The proven and probable gold mineral reserves decreased by 2.3 million ounces to 2.4 million contained ounces.Centerra’s measured and indicated copper mineral resources, exclusive of reserves, decreased by 510 million pounds to 5,327 million pounds of contained copper.Centerra’s proven and probable copper mineral reserves decreased by 877 million pounds to 1,589 million pounds of contained copper.Centerra’s overall measured and indicated gold mineral resources increased by 2.0 million ounces to 13.3 million ounces of contained gold (571.9 million tonnes (Mt) at 0.73 g/t gold), exclusive of gold mineral reserves.Centerra’s overall proven and probable gold mineral reserves total 11.1 million ounces of contained gold (442 Mt at 0.78 g/t gold), a decrease of 3.1 million ounces of contained gold.Kumtor Mineral Resource Update
The 2019 mineral resource estimate for Kumtor is based on an updated interpretation of mineralized zones and modeling parameters effective as of January 31, 2020.  The updated resource estimate includes 2018 and 2019 drilling results within the Central Pit and an updated block model for both the Central Pit and the Southwest/Sarytor Pit.Mount Milligan Technical Report Update Summary
The Company has published an updated technical report for the Mount Milligan Mine (the “2020 Mount Milligan Technical Report”) which includes revisions to the resource model, metallurgical recoveries, operating cost estimates, net smelter return (NSR) cut-off value, and the life-of-mine (“LOM”) open pit design.  The technical report was prepared in accordance with National Instrument 43-101 Standards of Disclosure for Mineral Projects (“NI 43-101”) and filed on SEDAR on March 26, 2020 with an effective date of December 31, 2019.The 2020 Mount Milligan Technical Report shows that, at December 31, 2019, the Mount Milligan copper-gold porphyry deposit contains a combined Measured and Indicated Mineral Resource (exclusive of Mineral Reserves) of 125.4 million tonnes (Mt) at 0.19% copper (Cu) and 0.35g/t gold (Au) containing 518 million pounds (lbs) of copper and 1.4 million ounces (oz) of gold and an Inferred Mineral Resource of 4 Mt at 0.13% Cu and 0.46g/t Au.  The mineral resource within the 2019 resource pit shell was based on a cut-off grade of 0.2% copper-equivalent (CuEq) and used $1,500/oz gold and $3.50/lb copper as the price assumptions.The open pit was optimized using long-term metal price estimates of $3.00/lb Cu and $1,250/oz Au, an exchange rate of C$:US$ of 1.25:1.00, and costs related to mining, processing and general and administrative expenses (G&A) (including site services), and sustaining capital costs. Other factors considered include metallurgical recoveries, concentrate grades, transportation costs, smelter treatment charges, and the H.R.S. Resources royalty in determining economic viability.The NSR cut-off comprised of the costs for processing and G&A operating costs (opex) and sustaining capital unit costs (capex) and was calculated to be $7.64/t or C$9.55/t.  Mining opex is excluded from the NSR cut off calculation because the definition of ore (and waste) is made at the pit rim; with mining opex having been considered in definition of the optimized pit shell. One-time processing or G&A sustaining capex items were also excluded from the NSR cut-off calculation.The Proven and Probable Mineral Reserve totals 191.0Mt at 0.23% Cu and 0.39g/t Au containing 959 million pounds of copper and 2.41 million ounces of gold and has been classified as 60% Proven and 40% Probable on a tonnage basis.Total operating and capital costs over Mount Milligan’s 9-year life of mine (LOM) are estimated at $2,839 million, including $828 million for mining costs, $1,029 million for processing costs, $333 million for G&A costs, $140 million for transportation costs, total selling and marketing costs of $88 million, total treatment and refining charges of $199 million and total capital expenditures of $222 million. The $222 million total LOM capital expenditures required to exploit the Mineral Reserves in the LOM plan includes capital equipment and component replacements, planned improvements to crushing equipment, the tailings pumping system and site facilities, as well as water management, but excludes $125 million in tailings storage facility (TSF) construction costs (included with mining opex). Waste mined at Mount Milligan is used for routine TSF raises, the cost of which is capitalized to the TSF rather than as capitalized stripping. The current mine plan does not contemplate any growth capital.The LOM all-in sustaining cost per ounce sold, on a by-product basis, which includes sustaining capital and copper revenue credits, averages $704/oz Au for the period from 2020 to the end of the LOM.  All-in sustaining cost per ounce sold, on a by-product basis, is a non-GAAP measure; please refer to Non-GAAP measures in the Company’s News Release and MD&A dated March 26, 2020.Using a gold price of $1,250 per ounce, copper price of $3.00/lb and exchange rate of C$:US$ of 1.25:1.00, as assumed for the Mineral Reserve estimation process, the LOM physicals and all the operating, transport and capital cost forecasts have been used to estimate the net cash flow for the Mount Milligan Mine from 2020 to the end of 2028 to be $398 million. The after-tax net present value (“NPV”) at a discount rate of 5% is $342 million.Sensitivity of NPV to Gold Price ChangesSensitivity of NPV to Copper Price ChangesCenterra Year-end Gold Mineral Reserves and Mineral ResourcesMineral Reserves
At December 31, 2019, proven and probable gold mineral reserves total an estimated 11.1 million contained ounces (441.9 Mt at 0.78 g/t Au), compared to 14.2 million contained ounces (706.3 Mt at 0.63 g/t Au) in the prior year.  During 2019, proven and probable gold mineral reserves decreased by 3.1 million contained ounces, after processing of 986,000 contained ounces and a net deletion of 2.2 million contained ounces.Mount Milligan
The decrease in gold mineral reserve contained ounces is primarily attributable to the Company’s revised reserve estimate for the Mount Milligan Mine that represented a net deletion of 2.1 million contained ounces from mineral reserves. Mount Milligan Mine’s proven and probable gold mineral reserves total an estimated 2.4 million ounces of contained gold (191.0 Mt at 0.39 g/t gold) as at December 31, 2019, compared to 4.7 million contained ounces gold (447.6 Mt at 0.33 g/t gold) at December 31, 2018.  For 2019, proven and probable gold mineral reserves decreased by 2.3 million contained ounces of gold, including the processing of 279 thousand contained ounces of gold.The decrease in reserves was driven by two main factors. First, during 2019, the Company identified cost escalation relating to water sourcing, increased maintenance, increased labor complements, decreased productivities and lower process plant throughput, among other things, compared to the previous 2017 Technical Report for the Mount Milligan Mine. These factors have resulted in the estimated NSR cut-off increasing from C$8.12/t to C$9.55/t. Second, the resource model has been updated and metallurgical recoveries re-estimated, resulting in a revised ultimate open pit design with the associated reserve decrease.Kumtor
At the Kumtor Mine, in the Kyrgyz Republic, at the end of December 2019, proven and probable gold mineral reserves total an estimated 3.2 million ounces of contained gold (43.3 Mt at 2.31 g/t gold), compared to 4.0 million contained ounces (51.6 Mt at 2.42 g/t gold) as at December 31, 2018.  During 2019, proven and probable gold mineral reserves decreased by 804,000 contained ounces, after accounting for processing of 708,000 contained ounces, a 13,000 ounces positive reconciliation at the Central Pit stockpiles and by a 110,000 ounces negative production reconciliation in the Central Pit.  The December 31, 2019 mineral reserves at Kumtor have been estimated by depleting 2019 production from the Central open pit from the December 31, 2018 reserve estimate.  This approach does not consider potential changes to the life-of-mine operating cost estimates, mine plans or any other changes to the economic assumptions year-on-year, which are currently being evaluated due to the technical and economic impacts of 2018 and 2019 in-fill drilling (and the associated resource increase) and the Lysii waste dump failure in December 2019 to determine the net impact to the reserve estimate.Öksüt
In Turkey, at the Öksüt Mine, proven and probable gold mineral reserves total an estimated 1.3 million ounces of gold (29.4 Mt at 1.35 g/t gold) at December 31, 2019, compared to the estimated 1.3 million ounces of gold (28.8 Mt at 1.38 g/t gold) as at December 31, 2018.  Proven and probable gold mineral reserves decreased by four thousand contained ounces due to changes to the mineral resource model, metallurgical recoveries, and open pit designs. These changes were offset by changes to the cut-off grade and a positive production reconciliation of 3 thousand ounces during 2019.Kemess
At the Kemess Property in Canada, the proven and probable gold mineral reserves for the Kemess Underground Project are unchanged at an estimated 1.9 million contained ounces (107.4 Mt at 0.54 g/t gold) at December 31, 2019.Greenstone
At the Company’s 50% owned Greenstone Gold Property, in Canada, the proven and probable gold mineral reserves at the Hardrock Project are unchanged at an estimated 2.3 million contained ounces (Centerra’s share) (70.8 Mt at 1.02 g/t gold) at December 31, 2019.As noted below, Centerra’s technical staff have reviewed the mineral resource estimate for the Hardrock Project prepared by G-Mining on behalf of Greenstone and published by Premier Gold Mines Limited on October 3, 2019 and has significant concerns regarding its use of certain technical parameters and cost assumptions.  As such, it cannot endorse or accept the work product and instead will rely on mineral resources last identified in the 2016 Hardrock Technical Report, which it believes is still relevant and reliable.Mineral Resources
Measured and indicated gold mineral resources, exclusive of gold mineral reserves, increased by 2.0 million ounces of contained gold to 13.3 million ounces of contained gold (571.9 Mt at 0.73 g/t gold), compared to the December 31, 2018 estimate.  The increase is a result of exploration success at Kumtor that was partly offset by a re-estimation of the mineral resources at Mount Milligan.Kumtor
At Kumtor, measured and indicated gold mineral resources increased from December 31, 2018 to December 31, 2019 by 3.3 million contained ounces to 6.3 million contained ounces of gold (64.5 Mt at 3.03 g/t gold) due to the inclusion of exploration and in-fill drilling results from 2018 and 2019 drilling campaigns totalling $19.8 million invested, an update of the resource model, and from the generation of an open pit shell that constrained the resource. This represents an average finding cost of approximately $6 per resource ounce added. Parameters used to constrain the resource pit shell are expected to be further evaluated in updating the Kumtor life-of-mine plan for the new NI 43-101 technical report to be published in the second half of 2020. The 2019 mineral resource estimate for Kumtor is based on an updated interpretation of mineralized zones and modeling parameters effective as of January 31, 2020.  The updated resource estimate includes updated resource models for both the Central Pit and SW/Sarytor Pit.Mount Milligan
At the Mount Milligan Mine, 1.3 million contained ounces of gold were removed from the measured and indicated gold mineral resources at December 31, 2019 compared to December 31, 2018.  The reduction is a result of updates made to the resource model, estimates of metallurgical recoveries, life-of-mine operating cost estimates, and an increase to the resource cut-off value/grade.  Measured and indicated gold resources now total 1.4 million ounces of contained gold (125.4 Mt at 0.35 g/t gold). The 2019 mineral resource estimate for Mount Milligan is reported in the 2020 Mount Milligan Technical Report.  The database used for the updated resource model was locked as of October 30, 2019. The updated mineralized zones modeling interpretation, improved understanding of copper-gold correlation and change to various modeling parameters, and resultant resource pit design, resulted in the reduction to the mineral resources.Öksüt
The Öksüt Mine’s measured and indicated gold resources are materially unchanged at 212,000 ounces of contained gold (10.4 Mt at 0.64 g/t gold).Kemess
The Kemess Underground and Kemess East Projects’ measured and indicated gold resources are unchanged at December 31, 2019 compared to December 31, 2018, totaling 4.0 million ounces of contained gold (351.2 Mt at 0.36 g/t gold).Greenstone
At the Company’s 50% owned Greenstone Gold Property, in Canada, the measured and indicated gold resources at the Hardrock Project are unchanged at an estimated 0.9 million contained ounces (Centerra’s share) (12.6 Mt at 2.29 g/t gold) at December 31, 2019.Centerra’s technical staff have reviewed the mineral resource estimate for  the Hardrock Project prepared by G-Mining on behalf of Greenstone and published by Premier Gold Mines Limited on October 3, 2019 and has significant concerns regarding its use of certain technical parameters and cost assumptions.  As such, it cannot endorse or accept the work product and instead will rely on mineral resources last identified in the 2016 Hardrock Technical Report, which it believes is still relevant and reliable. Inferred Gold Mineral Resources
The inferred gold mineral resource estimate totals 6.7 million contained ounces of gold (128.9 Mt at 1.62 g/t gold), an increase of 531,000 contained ounces at December 31, 2019 compared to December 31, 2018. The increase is primarily a result of the increase of 923,000 contained ounces at Kumtor offset by a reduction of 356,000 contained ounces of gold at Mt. Milligan. At Öksüt, changes to the resource model removed 35 thousand contained ounces from the inferred mineral resource category.Centerra Year-end Copper Mineral Reserves and Mineral ResourcesMineral Reserves
Proven and probable copper mineral reserves total an estimated 1,589 million pounds of contained copper (298 Mt at 0.24% copper).  The copper mineral reserves have been estimated based on a copper price of $3.00 per pound for the Mount Milligan Mine and the Kemess Underground Project.Mount Milligan
At the Mount Milligan Mine, proven and probable copper mineral reserves total an estimated 959 million pounds of contained copper (191 Mt at 0.23% copper) at December 31, 2019 compared to 1,836 million pounds of contained copper (448 Mt 0.19% copper) as of December 31, 2018.  Proven and probable copper mineral reserves decreased by 877 million contained pounds of copper, after processing 92 million contained pounds of copper in 2019. The December 31, 2019 estimate of mineral reserves reflects the 2020 Mount Milligan Technical Report. The technical report describes the changes that were made to the resource model, metallurgical recoveries, life-of-mine operating cost estimates, cut-off value, and modifications to the open pit design.Kemess
The Kemess Underground Project’s proven and probable copper mineral reserves are unchanged and are estimated to be 630 million pounds of contained copper (107 Mt at 0.27% copper) at December 31, 2019.Mineral Resources
Measured and indicated copper mineral resources, exclusive of mineral reserves, total an estimated 5,327 million pounds of contained copper (873 Mt at 0.28% copper).  The copper mineral resources are located at the Mount Milligan Mine, the Berg Property, Kemess Underground, and Kemess East properties that are all located in Canada.Mount Milligan
At Mount Milligan, measured and indicated mineral resources decreased by 510 million pounds of contained copper to an estimated 518 million pounds of contained copper (125.4 Mt at 0.19% copper) at December 31, 2019.  The reduction in measured and indicated mineral resources is based on the results of the 2020 Mount Milligan Technical Report. Significant changes for the December 31, 2019 resource estimate include interpreting mineralized domains using copper equivalent cut-off grade of 0.10% rather than NSR cut-off value, manual re-interpretation of mineralized domains, improved gold:copper correlation understanding leading to improved grade interpolation, and updated parameters for resource pit delineation.Kemess
At Kemess, measured and indicated resources that are exclusive of reserves are unchanged at 2,107 million pounds of contained copper at December 31, 2019. The Kemess Underground measured and indicated resources are 174 Mt at 0.18% copper or an estimated 697 million pounds of contained copper and Kemess East measured and indicated resources of 178 Mt at 0.36% copper or an estimated 1,410 million pounds of contained copper.Inferred Copper Mineral Resources
Centerra’s inferred copper mineral resource estimate totals 502 million pounds of contained copper (95 Mt at 0.24% copper).  This includes at Mount Milligan an estimated 10 million pounds of contained copper (3.7 Mt at 0.13% copper) that represents a year-over-year decrease of 105 million pounds of contained copper. The reduction in the inferred mineral resource is a result of the updated resource model. At Kemess Underground this includes 210 million pounds of contained copper (48 Mt at 0.20% copper) and at Kemess East this includes 203 million pounds of contained copper (29 Mt at 0.31%), both unchanged from end-2018.Table 1 (see additional footnotes pages 11-12)
Centerra Gold Inc. 2019 Year-End Mineral Reserve and
Resources Summary – Gold ^{(1) (5)}
(as of December 31, 2019)1) Centerra’s equity interests as of this news release are as follows:  Mount Milligan 100%, Kumtor 100%, Öksüt 100%, Kemess Underground and Kemess East 100% and Greenstone Gold properties (Hardrock, Brookbank, Key Lake, Kailey) 50%.
2) Mineral resources are in addition to mineral reserves.  Mineral resources do not have demonstrated economic viability.
3) Inferred mineral resources have a great amount of uncertainty as to their existence and as to whether they can be mined economically.  It cannot be assumed that all or part of the inferred mineral resources will ever be upgraded to a higher category.
4) Production at Mount Milligan is subject to a streaming agreement with RGLD Gold AG and Royal Gold, Inc. (collectively, “Royal Gold”) which entitles Royal Gold to 35% of gold sales from the Mount Milligan Mine.  Under the stream arrangement, Royal Gold will pay $435 per ounce of gold delivered.  Mineral reserves for the Mount Milligan property are presented on a 100% basis.
5) Numbers may not add up due to rounding.Table 2 (see additional footnotes pages 11-12)
Centerra Gold Inc. 2019 Year-End Mineral Reserve and
Resources Summary – Other Metals ^{(1) (5)}
(as of December 31, 2019)1) Centerra’s equity interests as of this news release are as follows:  Mount Milligan 100%, Kemess Underground 100%, Kemess East 100%, Berg 100%, Thompson Creek 100%, and Endako 75%.
2) Mineral resources are in addition to mineral reserves.  Mineral resources do not have demonstrated economic viability.
3) Inferred mineral resources have a great amount of uncertainty as to their existence and as to whether they can be mined economically.  It cannot be assumed that all or part of the inferred mineral resources will ever be upgraded to a higher category.
4) Production at Mount Milligan is subject to a streaming agreement which entitles Royal Gold to 18.75% of copper sales from the Mount Milligan Mine.  Under the stream arrangement, Royal Gold will pay 15% of the spot price per metric tonne of copper delivered.  Mineral resources for the Mount Milligan property are presented on a 100% basis.
5) Numbers may not add up due to rounding.Table 3 – Centerra Gold Inc. (see additional footnotes pages 11-12)
Reconciliation of Mineral Reserves and Mineral Resources ⁽¹⁾⁽⁴⁾ – Gold Contained (koz)(1) Mineral reserves and mineral resources reported in Centerra’s Annual Information Form filed in March 2019. Centerra reports mineral reserves and mineral resources separately.  The amount of reported mineral resources does not include those amounts identified as mineral reserves. Mineral resources do not have demonstrated economic viability. Numbers may not add due to rounding.
(2) Corresponds to process plant feed at Mount Milligan and Kumtor.
(3) Changes in mineral reserves or mineral resources, as applicable, are attributed to: (i) changes to metal price and FX assumptions, (ii) information provided by drilling and subsequent reinterpretation and reclassification of mineral resources, and (iii) changes to cost estimates and metallurgical recoveries.
(4) Centerra’s equity interests as of this news release are as follows: Mount Milligan 100%, Kumtor 100%, Öksüt 100%, Kemess Underground and Kemess East 100% and Greenstone Gold properties (Hardrock, Brookbank, Key Lake, Kailey) 50%.
(5) Kumtor open pit mineral reserves and mineral resources include the Central Pit and the Southwest and Sarytor Pits.
(6) Öksüt open pit mineral reserves and mineral resources include the Keltepe and Guneytepe deposits.
(7) Inferred mineral resources have a great amount of uncertainty as to their existence and as to whether they can be mined economically.  It cannot be assumed that all or part of the inferred mineral resources will ever be converted to a higher category.Additional Footnotes for Tables 1, 2, 3
GeneralA conversion factor of 31.1035 grams per troy ounce of gold is used in the mineral reserve and mineral resource estimates.KumtorThe mineral reserves have been estimated based on a gold price of $1,250 per ounce, diesel fuel price of $0.55/litre and an exchange rate of 1USD:65KGS.The open pit mineral reserves are estimated based on a cut-off grade of 0.85 grams of gold per tonne for the Central Pit and 1.0 grams of gold per tonne for the Southwest and Sarytor deposits.The mineral resources have been estimated based on a gold price of $1,500 per ounce.Open pit mineral resources are constrained by a pit shell.The open pit mineral resources are estimated based on a cut-off grade of 0.85 grams of gold per tonne for the Central Pit and 1.0 grams of gold per tonne for the Southwest and Sarytor deposits.Underground mineral resources occur below the open pit mineral resources shell and are constrained by underground mineable shapes based on a cut-off grade of 4.9 grams of gold per tonne.Further information concerning the Kumtor deposit, including key assumptions, parameters and methods used to estimate mineral reserves, as well as, political, environmental and other risks are described in Centerra’s most recently filed Annual Information Form and the Technical Report on the Kumtor Project, dated March 20, 2015, each of which has been filed on SEDAR.Mount MilliganThe mineral reserves have been estimated based on a gold price of $1,250 per ounce, copper price of $3.00 per pound and an exchange rate of 1USD:1.25CAD.The open pit mineral reserves are estimated based on an NSR cut-off of $7.64 per tonne (C$9.55 per tonne) and takes into consideration metallurgical recoveries, concentrate grades, transportation costs, smelter treatment charges and royalty and streaming arrangements in determining economic viability.The mineral resources have been estimated based on a gold price of $1,500 per ounce, copper price of $3.50 per pound and an exchange rate of 1USD:1.25CAD.The open pit mineral resources are constrained by a pit shell and are estimated based on an NSR cut-off of $7.64 per tonne (C$9.55 per tonne) and takes into consideration metallurgical recoveries, concentrate grades, transportation costs, smelter treatment charges and royalty and streaming arrangements in determining economic viability.Further information concerning the Mount Milligan deposit, including key assumptions, parameters and methods used to estimate mineral resources and mineral reserves, as well as environmental and other risks are described in Centerra’s most recently filed Annual Information Form and in the Mount Milligan Mine Technical Report, dated March 26, 2020, each of which has been filed on SEDAR.ÖksütThe mineral reserves have been estimated based on a gold price of $1,250 per ounce and an exchange rate of 1USD:5.5TL.The open pit mineral reserves are estimated based on 0.25 grams of gold per tonne cut-off grade.Open pit optimization used a tonne weighted LOM metallurgical recovery of 77% (Keltepe Pit 75%, Guneytepe Pit 85%).The mineral resources have been estimated based on a gold price of $1,500 per ounce.Open pit mineral resources are constrained by a pit shell and are estimated based on 0.2 grams of gold per tonne cut-off grade.Further information concerning the Öksüt deposit, including key assumptions, parameters and methods used to estimate mineral resources and mineral reserves, as well as environmental and other risks are described in Centerra’s most recently filed Annual Information Form and the Technical Report on the Öksüt Project, dated September 3, 2015, each of which has been filed on SEDAR.Kemess UndergroundThe mineral reserves have been estimated based on a gold price of $1,250 per ounce, copper price of $3.00 per pound and an exchange rate of 1USD:1.25CAD.The mineral reserves are estimated based on an NSR cut-off of C$17.30 per tonne and takes into consideration metallurgical recoveries, concentrate grades, transportation costs and smelter treatment charges in determining economic viability.The mineral resources have been estimated based on a gold price of $1,450 per ounce, copper price of $3.50 per pound and an exchange rate of 1USD:1.25CAD.The mineral resources are estimated based on an NSR cut-off of C$15.00 per tonne and takes into consideration metallurgical recoveries, concentrate grades, transportation costs and smelter treatment charges.Further information concerning the Kemess Underground deposit is described in the technical report dated July 14, 2017 and filed on SEDAR at www.sedar.com by AuRico Metals Inc.  The technical report describes the exploration history, geology and style of gold mineralization at the Kemess Underground deposit.  Sample preparation, analytical techniques, laboratories used and quality assurance-quality control protocols used during the exploration drilling programs are consistent with industry standards and carried out by independent certified assay labs.Kemess EastThe mineral resources have been estimated based on a gold price of $1,450 per ounce, copper price of $3.50 per pound and an exchange rate of 1USD:1.25CAD.The mineral resources are estimated based on an NSR cut-off of C$17.30 per tonne and takes into consideration metallurgical recoveries, concentrate grades, transportation costs and smelter treatment charges.Further information concerning the Kemess East project is described in the technical report dated July 14, 2017 and filed on SEDAR at www.sedar.com by AuRico Metals Inc.  The technical report describes the exploration history, geology and style of gold mineralization at the Kemess East project.  Sample preparation, analytical techniques, laboratories used and quality assurance-quality control protocols used during the exploration drilling programs are consistent with industry standards and carried out by independent certified assay labs.Greenstone Gold Property
     HardrockThe mineral reserves have been estimated based on a gold price of $1,250 per ounce and an exchange rate of 1USD:1.30CADThe open pit mineral reserves are estimated based on 0.33 grams of gold per tonne cut-off grade.The mineral resources have been estimated based on a gold price of C$1,625 per ounce.Open pit mineral resources are constrained by a pit shell and are estimated based on 0.30 grams of gold per tonne cut-off grade.Underground mineral resources occur below the open pit mineral resources shell and are constrained by underground mineable shapes based on a cut-off grade of 2.0 grams of gold per tonne.Further information concerning the Hardrock deposit, including key assumptions, parameters and methods used to estimate mineral resources and mineral reserves, as well as environmental and other risks are described in Centerra’s most recently filed Annual Information Form and the Technical Report on the Hardrock Project, dated December 21, 2016, each of which has been filed on SEDAR.     Brookbank, Key LakeThe mineral resources have been estimated based on a gold price of $1,455 per ounce and an exchange rate of 1USD:1.18CAD.The unconstrained open pit mineral resources are estimated based on 0.50 grams of gold per tonne cut-off grade.The unconstrained underground mineral resources are estimated based on 2.8 grams of gold per tonne cut-off grade.     KaileyThe mineral resources have been estimated based on a gold price of $1,455 per ounce and an exchange rate of 1USD:1.18CAD.The unconstrained open pit mineral resources are estimated based on 0.50 grams of gold per tonne cut-off grade.Thompson CreekThe mineral resources have been estimated based on a molybdenum price of $14.00 per pound.The open pit mineral resources are constrained by a pit shell and are estimated based on 0.030% molybdenum cut-off grade.EndakoThe mineral resources have been estimated based on a molybdenum price of $14.00 per pound and an exchange rate of 1USD:1.25CAD.The open pit mineral resources are constrained by a pit shell and are estimated based on 0.025% molybdenum cut-off grade.BergThe mineral resources have been estimated based on a copper price of $3.50 per pound, molybdenum price of $14.00 per pound, silver price of 21.00 per ounce and an exchange rate of 1USD:1.25CAD.The open pit mineral resources are constrained by a pit shell and are estimated based on 0.25% copper equivalent cut-off grade that takes into consideration metallurgical recoveries, concentrate grades, transportation costs, and smelter treatment charges in determining economic viability.Qualified Person
John Fitzgerald, P.Eng., Centerra Gold’s Vice President, Projects and Technical Services, has reviewed and approved the technical information related to mineral reserves and resources estimates contained in this news release. John Fitzgerald is a Qualified Person within the meaning of Canadian Securities Administrator’s National Instrument 43-101 (“NI-43-101”).Mineral reserve and mineral resource estimates are forward-looking information and are based on key assumptions and subject to material risk factors. If any event arising from these risks occurs, the Company’s business, prospects, financial condition, results of operations or cash flows and the market price of Centerra’s shares could be adversely affected. Additional risks and uncertainties not currently known to the Company, or that are currently deemed immaterial, may also materially and adversely affect the Company’s business operations, prospects, financial condition, results of operations or cash flows and the market price of Centerra’s shares. See the section entitled “Risk Factors” in the Company’s annual Management’s Discussion and Analysis (MD&A) for the year-ended December 31, 2019, available on SEDAR at www.sedar.com and see also the discussion below under the heading “Caution Regarding Forward-looking Information”.Exploration Update
Exploration activities in the fourth quarter of 2019 included drilling, surface sampling, geological mapping and geophysical surveying at the Company’s various projects targeting gold and copper mineralization in Turkey, Canada, Kyrgyzstan, Mexico, and Finland. Exploration expenditures totaled $9.1 million in the fourth quarter of 2019 compared to $6.5 million in the same quarter of 2018). The Company’s 2019 exploration program was primarily focused on brownfield exploration at the Kumtor, Mount Milligan, Öksüt and Kemess deposits.
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