What changed in this filing

/stocks — the workspaceLOADING

Item 2. Properties

2023-02-22 compared with 2022-02-16 · 58 added, 104 removed, 320 unchanged (34% of the section changed)

5 unchanged sentences

(“Coeur Mexicana”), consists of (1) the Palmarejo processing facility;

(2) the Guadalupe underground mine, located about eight kilometers southeast of the Palmarejo mine;

(3) the Independencia underground mine, located approximately 800 meters northeast of the Guadalupe underground mine, (4) the La Nación underground mine, located adjacent to the Independencia underground mine;

(2) the Guadalupe underground mine;

(3) the Independencia underground mine;

(4) the La Nación underground mine;

and (5) other nearby deposits and exploration targets.

The Palmarejo complex is located approximately 260 miles southwest of Chihuahua, in the state of Chihuahua in Northern Mexico.

The coordinates for the centroid of the project are 108° 21.8203’ W longitude and 27° 21.5547’ N latitude (760,781 mE, 3,028,984 mN).

Specifically, the Guadalupe mine is located at 108º 21.899’ W longitude and 27º 20.996’ N latitude (760,672 mE, 3,027,949 mN);

Independencia is located at 108º 21.752’ W longitude and 27 º 22.078’ N latitude (760,873 mE, 3,029,953 m N);

and La Nación is located at 108º 21.809’ W longitude and 27º 21.591’ N latitude (760,797 mE, 3,029,051 mN).

All coordinates are in the Universal Transverse Mercator (WSG 84), Zone 12.

Access to the property is provided by air, rail, and all-weather paved and gravel roads from the state capitol of Chihuahua.

15 unchanged sentences

The mine consists of the main Rochester deposit and the adjacent Nevada Packard deposit, southwest of the Rochester mine.

The centroid location for the Rochester site is 400600 E, 4460300 N and the centroid of Rochester pit is located at 4002045 E, 4460050 N and Nevada Packard open pit is located at 400600E, 4456675E.

All coordinates are in Universal Transverse Mercator (WSG 84), Zone 11T.

In November 2018, Coeur Rochester acquired the Lincoln Hill, Gold Ridge and Wilco projects adjacent to Rochester from Alio Gold.

1 unchanged sentence

Ore is mined using conventional open pit methods, with gold and silver recovered by heap leaching of crushed open-pit ore placed on pads located within the Rochester mining area.

Rochester is currently undergoing an expansion under Plan of Operations Amendment 11.

The expansion project includes the construction of a new leach pad, a crushing facility equipped with two high-pressure grinding roll units and a prescreen, a Merrill-Crowe process plant, and related infrastructure to support the extension of Rochester’s mine life.

Rochester is currently undergoing an expansion under POA 11.

Near Lovelock, Nevada (West-Central Nevada, USA)

21 unchanged sentences

(“Coeur Alaska”), are located on the east side of the Lynn Canal about 45 miles north-northwest of Juneau, Alaska.

The mine consists of the (i) Kensington Main deposit, (ii) Raven deposit, (iii) Jualin deposit, and (iv) other nearby deposits and exploration targets.

The mine consists of the (i) Kensington Main deposit, (ii) Elmira, and (iii) other nearby deposits and exploration targets.

The mine is accessed by a horizontal tunnel and utilizes conventional and mechanized underground mining methods.

Ore is processed in a flotation mill that produces a concentrate that is sold to third-party smelters.

Power is supplied by on-site diesel generators.

Access to the mine is by either a combination of road vehicles, boat, helicopter, floatplane, or by boat direct from Juneau.

Kensington is currently undertaking a planned expansion under Plan of Operations Amendment 1, which would increase tailings and waste rock storage capacity to support an expected longer mine life, reflecting positive exploration results, improved metal prices and ongoing operational efficiencies.

Coordinates for the project centroid are 0494796 E, 652068 N and the Kensington Portal is located at 0494796 E, 6530584 N.

All coordinates are in Universal Transverse Mercator (NAD 1983), Zone 8V.

Kensington is currently undertaking a planned expansion under POA 1, which would increase tailings and waste rock storage capacity to support an expected longer mine life, reflecting positive exploration results, improved metal prices and ongoing operational efficiencies.

Juneau, Alaska (Southeast Alaska, USA)

22 unchanged sentences

(“Wharf”) and Golden Reward Mining Limited Partnership (“Golden Reward”), is located in the northern Black Hills of western South Dakota, approximately four miles southwest of the city of Lead, South Dakota.

Coordinate for the project centroid are 44°20’03”N Latitude, 103°50’06”W Longitude and the Wharf Mine coordinates are 44°20’39”N Latitude, 103°51’02”W Longitude.

All coordinates are in Universal Transverse Mercator (WSG 84).

Access is established by paved road with power supplied by a local power company.

18 unchanged sentences

Canada (British Columbia) — Silvertip

The Silvertip silver-zinc-lead development property owned by our wholly-owned subsidiary, Coeur Silvertip Ltd.

The Silvertip silver-zinc-lead exploration property owned by our wholly-owned subsidiary, Coeur Silvertip Ltd.

(“Coeur Silvertip”), is an underground project located in northern British Columbia, Canada just south of the Yukon border.

The project centroid coordinates in UTM (NAD 27) are 6,643,900 N and 425,200 E.

The project is accessible via a 25-kilometer mine access road off the Alaska Highway.

9 unchanged sentences

• Certain royalty interests have been granted with respect to the Silvertip property

USA (Nevada) – Sterling and Crown

The Sterling and Crown exploration properties are owned by the Company’s wholly-owned subsidiary, Coeur Sterling, Inc.

(“Coeur Sterling”) and are located in southern Nevada, The Sterling gold project is a past-producing open-pit and underground heap leach gold mine located in the southern portion of the land package with major permits in place.

Block, which is located in the northern portion of the land package, includes four heap-leachable deposits, Daisy, Secret Pass, SNA and C-Horst.

Beatty, Nevada (approximately 115 miles north of Las Vegas, Nevada, USA)

Open Pit Heap Leach

Metals/Mineralization:

Electrolytic Cathodic Sludge

Land Position & Mineral Tenure • Approximately 37,254 net acres (15,076 hectares)

• Coeur Sterling lands consist of 1,909 owned federal unpatented lode claims appropriating approximately 36,904 net acres, and 30 leased federal unpatented lode claims, appropriating approximately 620 net acres.

• A security interest in the Sterling/Crown project has been granted in favor of the lenders under the Company’s revolving credit facility

Mexico (Durango) – La Preciosa

The La Preciosa silver exploration-stage project owned by our wholly-owned subsidiary, Coeur La Preciosa Silver Corp.

(“Coeur La Preciosa”), is situated approximately 85 kilometers northeast of the city of Durango, within Durango State, México.

The Company has entered into an agreement to sell Coeur La Preciosa, which is expected to close in the first quarter of 2022.

OTHER PROPERTIES

The Company has interests in several exploration-stage properties in North America, as well as leased or owned real property for office space.

The Company has interests in several other exploration-stage properties in North America, as well as leased or owned real property for office space.

OPERATING STATISTICS

28 unchanged sentences

Coeur has the following internal controls protocols in place for exploration data:

• Written procedures and guidelines to support preferred sampling methods and approaches;

periodic compliance reviews of adherence to such written procedures and guidelines;

• Written procedures and guidelines to support preferred sampling methods and approaches, with periodic compliance reviews of adherence to such written procedures and guidelines;

• Maintenance of a complete chain-of-custody, ensuring the traceability and integrity of the samples at all handling stages from collection, transportation, sample preparation and analysis to long-term sample storage;

5 unchanged sentences

• QA/QC data are regularly verified to ensure that outliers, sample mix-ups, contamination, or laboratory biases during the sample preparation and analysis steps are correctly identified, mitigated or remediated.

Changes to database entries are required be documented;

Changes to database entries are required to be documented;

• Database upload and verification procedures to ensure the accuracy and integrity of the data being entered into the project database(s).

16 unchanged sentences

Proven Mineral Reserves Probable Mineral Reserves Total Mineral Reserves

Tons (000s) Grade (oz./ton) Ounces

Ownership Tons (000s) Grade (oz./ton) Ounces

(000s) Tons (000s) Grade (oz./ton) Ounces

8 unchanged sentences

100% 6,379 0.031 199 27,328 0.026 709 33,707 0.027 908

Total Gold Reserves 418,394 0.005 1,991 52,904 0.021 1,086 471,298 0.007 3,077

Total Gold 437,147 0.004 1,688 80,721 0.022 1,754 517,868 0.007 3,442

Summary Silver Mineral Reserves at End of the Fiscal Year Ended December 31, 2022 (1)(2)(3)(8)

Proven Mineral Reserves Probable Mineral Reserves Total Mineral Reserves

Tons (000s) Grade (oz./ton) Ounces

Ownership Tons (000s) Grade (oz./ton) Ounces

(000s) Tons (000s) Grade (oz./ton) Ounces

5 unchanged sentences

100% 425,748 0.39 166,172 38,001 0.36 13,803 463,749 0.39 179,975

Silvertip (8)

186 12.01 2,233 1,618 7.67 12,403 1,804 8.11 14,636

Total Silver 429,829 0.43 183,344 52,120 1.20 62,368 481,949 0.51 245,712

Summary Zinc Mineral Reserves at End of the Fiscal Year Ended December 31, 2021 (1)(2)(3)(9)

Proven Mineral Reserves Probable Mineral Reserves Total Mineral Reserves

Tons (000s) Grade (%) Pounds

(000s) Tons (000s) Grade (%) Pounds

Silvertip (8)

186 10.1 % 37,647 1,618 8.0 % 258,418 1,804 8.2 % 296,065

Summary Lead Mineral Reserves at End of the Fiscal Year Ended December 31, 2021 (1)(2)(3)(9)

Proven Mineral Reserves Probable Mineral Reserves Total Mineral Reserves

Tons (000s) Grade (%) Pounds

(000s) Tons (000s) Grade (%) Pounds

Silvertip (8)

186 8.5 % 31,656 1,618 5.0 % 161,569 1,804 5.4 % 193,225

(1) Certain definitions:

7 unchanged sentences

(2) Assumed metal prices for 2022 Mineral Reserves were $21.00 per ounce of silver, $1,600 per ounce of gold, $1.15 per pound of zinc, $0.95 per pound of lead.

(3) The Mineral Reserve estimates are current as of December 31, 2021, and are reported using the definitions in SK 1300 and were prepared by the company’s technical staff.

Except for Kensington at $1,700 per ounce of gold.

(3) The Mineral Reserve estimates are current as of December 31, 2022, are reported using the definitions in Item 1300 of Regulation S-K and were prepared by the company’s technical staff.

(4) Mineral Reserve estimates use the following key input parameters:

4 unchanged sentences

mining loss of 20% was applied;

variable mining costs that range from US$36.01–US$41.75/tonne, surface haulage costs of US$3.52/t, process costs of US$27.29/tonne, general and administrative costs of US$11.00/tonne, and surface/auxiliary support costs of US$3.19/tonne.

variable mining costs that range from US$44.74–US$47.13/tonne, surface haulage costs of US$4.01/tonne, process costs of US$29.17/tonne, general and administrative costs of US$12.56/tonne, and surface/auxiliary support costs of US$3.24/tonne.

Excludes the impact of the Franco-Nevada gold stream agreement at Palmarejo in calculation of Mineral Reserves.

(5) Mineral Reserve estimates are tabulated within a confining pit shell and use the following input parameters:

Rochester oxide recovery Au = 85% and Ag = 59%;

(5) Mineral Reserve estimates are tabulated within a confining pit design and use the following input parameters:

Rochester oxide variable recovery Au = 77.7-93.7% and Ag = 59.4%;

Rochester sulfide variable recovery Au = 15.2-77.7% and Ag = 0.0-59.4%;

with a net smelter return cutoff of $3.25/st oxide and US$3.35/st sulfide;

Nevada Packard oxide recovery Au = 92.0% and Ag = 61.0%;

with a net smelter return cutoff of $2.55/st oxide and US$2.65/st sulfide, where the NSR is calculated as resource net smelter return (NSR) = silver grade (oz/ton) * silver recovery (%) * (silver price ($/oz) - refining cost ($/oz)) + gold grade (oz/ton) * gold recovery (%) * (gold price ($/oz) - refining cost ($/oz));

with a net smelter return cutoff of $4.40/st for oxide, where the NSR is calculated as resource net smelter return (NSR) = silver grade (oz/ton) * silver recovery (%) * (silver price ($/oz) - refining cost ($/oz)) + gold grade (oz/ton) * gold recovery (%) * (gold price ($/oz) - refining cost ($/oz));

variable pit slope angles that approximately average 43º over the life-of-mine.

11 unchanged sentences

and concentrate refining and shipping costs of US$88.39/oz sold.

(7) Mineral Reserve estimate uses the following key input parameters:

(7) Mineral Reserve estimates use the following key input parameters:

assumption of conventional open pit mining;

reported above a gold cut-off grade of 0.010 oz/ton Au;

metallurgical recovery assumption of 80%;

average metallurgical recovery assumption of 79.1%;

royalty burden of US$64/oz Au;

pit slope angles that vary from 34–50º;

mining costs of US$2.15/ton mined, rehandle costs of US$1.65/ton rehandled, process costs of US$10.34/ton processed (includes general and administrative costs).

(8) Underground Mineral Resource estimates are reported using a net smelter return (“NSR”) cutoff of US$130-160/tonne.

Mineral Resources are reported insitu using the following assumptions:

The estimate use the following key input parameters:

lead recovery of 87-88%, zinc recovery of 81-82% and silver recovery of 88-89 %.

Lead concentrate grade of 51-53%;

zinc concentrate grade of 48-50%;

mining dilution varies from 5-25%;

mining loss of 5% was applied;

mining costs of US$68.77/tonne;

processing costs of US$58.20/tonne and US$46.49/tonne, where the NSR ($/tonne) = tonnes x grade x metal prices x metallurgical recoveries – royalties – TCRCs – transport costs over the life of the mine.

mining costs of US$2.39/ton mined, process costs of US$11.91/ton processed (includes general and administrative costs).

(8) Rounding of short tons, grades, and troy ounces, as required by reporting guidelines, may result in apparent differences between tons, grades, and contained metal contents.

2 unchanged sentences

Measured Mineral Resources Indicated Mineral Resources Measured + Indicated Mineral Resources Inferred Mineral Resources

Tons (000s) Grade (oz./ton) Ounces

Ownership Tons (000s) Grade (oz./ton) Ounces

(000s) Tons (000s) Grade (oz./ton) Ounces

3 unchanged sentences

100% 4,030 0.066 267 16,704 0.054 907 20,734 0.057 1,174 5,633 0.067 380

La Preciosa Project, Mexico (10)

9,536 0.005 45 19,141 0.006 118 28,677 0.006 163 1,761 0.003 6

United States

7 unchanged sentences

100% 4,642 0.012 58 27,668 0.011 306 32,310 0.011 364 22,952 0.011 255

Sterling Project, USA (9)

— — — — — — — — — 36,824 0.025 914

Wilco Project, USA (10)

3 unchanged sentences

Measured Mineral Resources Indicated Mineral Resources Measured + Indicated Mineral Resources Inferred Mineral Resources

Tons (000s) Grade (oz./ton) Ounces

Ownership Tons (000s) Grade (oz./ton) Ounces

(000s) Tons (000s) Grade (oz./ton) Ounces

3 unchanged sentences

100% 4,030 4.39 17,689 16,704 3.42 57,062 20,734 3.61 74,751 5,633 3.19 17,948

La Preciosa Project, Mexico (10)

9,536 3.04 29,001 19,141 3.98 76,185 28,677 3.67 105,186 1,761 3.31 5,835

United States

10 unchanged sentences

Measured Mineral Resources Indicated Mineral Resources Measured + Indicated Mineral Resources Inferred Mineral Resources

Tons (000s) Grade (%) Pounds

Ownership Tons (000s) Grade (%) Pounds

(000s) Tons (000s) Grade (%) Pounds

5 unchanged sentences

Measured Mineral Resources Indicated Mineral Resources Measured + Indicated Mineral Resources Inferred Mineral Resources

Tons (000s) Grade (%) Pounds

Ownership Tons (000s) Grade (%) Pounds

(000s) Tons (000s) Grade (%) Pounds

9 unchanged sentences

The level of geological uncertainty associated an inferred mineral resource is too high to apply relevant technical and economic factors likely to influence the prospects of economic extraction in a manner useful for evaluation of economic viability and must have a reasonable expectation that the majority of inferred mineral resources could be upgraded to indicated or measured mineral resources with continued exploration.

(2) Mineral Resource estimates are reported exclusive of mineral reserves, are current as of December 31, 2021, and are reported using definitions in SK 1300 and were prepared by the company’s technical staff.

(2) Mineral Resource estimates are reported exclusive of mineral reserves, are current as of December 31, 2022, are reported using definitions in Item 1300 of Regulation S-K and were prepared by the company’s technical staff.

(3) Assumed metal prices for 2022 estimated Mineral Resources were $25.00 per ounce of silver, $1,800 per ounce of gold, $1.30 per pound of zinc, $1.00 per pound of lead, unless otherwise noted.

3 unchanged sentences

metallurgical recovery assumption of 90.5% for gold and 82.5% for silver;

variable mining costs that range from US$36.01–US$41.75/t, surface haulage costs of US$3.52/tonne, process costs of US$27.29/tonne, general and administrative costs of US$11.00/tonne, and surface/auxiliary support costs of US$3.19/tonne.

variable mining costs that range from US$42.50–US$47.13/tonne, surface haulage costs of US$4.01/tonne, process costs of US$29.17/tonne, general and administrative costs of US$12.56/tonne, and surface/auxiliary support costs of US$3.24/tonne.

Excludes the impact of the Franco-Nevada gold stream agreement at Palmarejo in calculation of Mineral Resources.

3 unchanged sentences

metallurgical recovery assumption of 94%;

gold payability of 97.5%, variable mining costs that range from US$90.91–150.73/ton mined, process costs of US$46.93/ton processed, general and administrative costs of US$38.83/ton processed.

gold payability of 97.5%, variable mining costs that range from US$87.13–175.48/ton mined;

process costs of US$54.38/ton processed;

general and administrative costs of US$54.76/ton processed;

and concentrate refining and shipping costs of US$88.39/oz sold.

(6) Mineral Resource estimate uses the following key input parameters:

(6) Mineral Resource estimates use the following key input parameters:

assumption of conventional open pit mining;

reported above a gold cut-off grade of 0.010 oz/ton Au;

metallurgical recovery assumption of 78.7% across all rock types;

average metallurgical recovery assumption of 78.7% across all rock types;

royalty burden of US$64/oz Au;

pit slope angles that vary from 34–50º;

mining costs of $2.15/ton mined, rehandle costs of US$1.65/ton rehandled, process costs of US$10.34/ton processed (includes general and administrative costs)

(7) Mineral Resource estimates are tabulated within confining pit shells that uses the following input parameters:

oxide gold recovery of 77.7%-93.7% and silver recovery with range of 59%-61%;

sulfide gold recovery range of 15.2%-77.7% and silver recovery with range of 0.0%-59% with a net smelter return cutoff of US$2.55–US$3.70/ton oxide and US$2.65/ton sulfide, where the NSR is calculated as resource net smelter return (NSR) = silver grade (oz/ton) * silver recovery (%) * (silver price ($/oz) - refining cost ($/oz)) + gold grade (oz/ton) * gold recovery (%) * (gold price ($/oz) - refining cost ($/oz));

and variable pit slope angles that approximately average 43º over the life-of-mine.

mining costs of $2.39/ton mined, process costs of US$11.91/ton processed (includes general and administrative costs).

(7) Mineral Resource estimates are tabulated within a confining pit shell and use the following input parameters:

Rochester oxide variable recovery Au = 77.7-93.7% and Ag = 59.4%;

Rochester sulfide variable recovery Au = 15.2-77.7% and Ag = 0.0-59.4%;

with a net smelter return cutoff of $3.25/st oxide and US$3.35/st sulfide;

Nevada Packard oxide recovery Au = 92.0% and Ag = 61.0%;

variable pit slope angles that approximately average 43º over the life-of-mine.

(8) Underground Mineral Resource estimates are reported using a net smelter return (“NSR”) cutoff of US$130/tonne.

5 unchanged sentences

mining costs of US$68.77/tonne;

processing costs of

US$58.20/tonne and US$46.49/tonne, where the NSR ($/tonne) = tonnes x grade x metal prices x metallurgical recoveries – royalties – TCRCs – transport costs over the life of the mine.

(9) Open Pit Mineral Resource estimates are reported in-situ and are contained within a confining pit shell and use the following key input parameters:

reported above a gold cutoff of 0.007 ounces per ton;

gold recoveries of 75-80%;

mining costs of US$2.16/ton;

process costs of US$2.70/ton;

G&A costs of $1.00/ton;

variable pit slope angles of 39-52º over the life-of-mine.

(10) Open Pit Mineral Resource estimate is reported using a net smelter return (“NSR”) cutoff of US$23/tonne and Underground Mineral Resources are reported using a NSR cut-off of $71/tonne.

Mineral Resources are reported in-situ and contained within a conceptual measured, indicated and inferred optimized pit shell or conceptual underground mining shapes using the following assumptions:

silver price of US$20/oz, gold price of US$1,400/oz.

Average silver and gold recovery are 82% and 69%, respectively.

Open pit mining cost is US$1.85/tonne, underground mining cost is US$47.96/tonne, processing cost is US$17.53/tonne and G&A cost is US$5.54/tonne.

Mineral resources include hanging and footwall dilution, and typical mining recovery is estimated to be 95%.

The technical and economic parameters are those that were used in the 2017 Resource Estimation.

Based on the QPs review of the estimate, there would be no material change to the mineral resources if a gold price of US$1,700/oz, a silver price of US$22/oz or economic parameters were updated.

Therefore the 2017 Mineral Resource report is considered current and is presented unchanged.

(11) Open Pit Mineral Resource estimate is reported in-situ and are contained within a confining pit shell and use the following key input parameters:

reported above an oxide gold equivalent cutoff of 0.15 ounces per ton and 0.20 oz ounces per ton assuming a silver to gold ratio of 60:1;

21 unchanged sentences

Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.

What changed 10-K

Item 2. Properties