Delayed at least 15 minutes, or the latest close · Oct 27 close; copper fund Oct 28 close

McEwen Inc.

Operations · Timmins, Ontario

Fox Complex

The Fox Complex mines gold on the Destor-Porcupine Fault near Timmins, Ontario

Fox Complex: view from an underground portal onto the open pit
Photo: McEwen Inc.
20,000-23,000
GEO planned in 2026
980,300 oz
Grey Fox Probable reserve at 3.24 g/t
2041
Fox Complex mine life with Grey Fox
Q4 2026
Stock Mine first production

Q2 2026 results, Aug 5, 2026; Grey Fox PFS release, Jun 8, 2026; release, Oct 9, 2026.

Gold and silverCopper

Fox Complex, Timmins, Ontario, in McEwen’s 3D map

Timmins, Ontario

McEwen plans 20,000 to 23,000 gold equivalent ounces here in 2026

The Fox Complex produced 12,785 GEO in the first half of 2026. Cash costs are planned at US$2,200-2,400 and all-in sustaining costs at US$2,650-2,850 per GEO.

Q2 2026 results, Aug 5, 2026, guidance revised Aug 5, 2026.

The Stock Mine starts producing in Q4 2026

Commercial production is expected in Q1 2027. Its mine life can be extended to 8.5 years from the previously disclosed 6 years.

release, Oct 9, 2026; Q2 2026 results, Aug 5, 2026. Forward-looking; see the cautionary statement.

Grey Fox adds 980,300 ounces of reserves and runs the complex to 2041

Initial capital is US$181 million. Construction is planned for H1 2027 and commercial production for 2029. From 2028 to 2035, Grey Fox is projected to contribute an average of 43,000 gold ounces a year; from 2035 to 2040 it becomes the sole source of production, averaging 87,000 gold ounces a year.

Grey Fox Prefeasibility Study (Grey Fox PFS release, Jun 8, 2026); Probable reserve as of Mar 27, 2026. Forward-looking; see the cautionary statement.

Grey Fox’s after-tax NPV (5%) is US$282 million at US$3,000 gold and US$841 million at US$4,500

Grey Fox Prefeasibility Study, two gold prices
Gold priceAfter-tax NPV (5%)After-tax IRRPaybackPre-tax NPV (5%)Pre-tax IRR
US$3,000 an ounceUS$282 million25%4.6 yearsUS$429 million31%
US$4,500 an ounceUS$841 million55%2.3 yearsUS$1.25 billion70%

Grey Fox PFS release, Jun 8, 2026. Capital US$181 million.

Resources and reserves

Fox Complex gold, 100%
DepositCategoryGradeContained
Grey FoxProbable reserve (Mar 27, 2026)3.24 g/t980,300 oz
FroomeMeasured and Indicated2.78 g/t58,000 oz
FroomeInferred2.93 g/t28,000 oz
Grey FoxIndicated2.25 g/t701,000 oz
Grey FoxInferred2.57 g/t388,000 oz
Stock West and MainIndicated2.63 g/t268,000 oz
Stock West and MainInferred2.31 g/t184,000 oz
Stock EastIndicated2.12 g/t122,000 oz
Stock EastInferred2.02 g/t87,000 oz
Black FoxMeasured and Indicated3.57 g/t44,000 oz
Black FoxInferred2.90 g/t36,000 oz
Davidson TisdaleMeasured and Indicated6.23 g/t59,000 oz
Davidson TisdaleInferred3.44 g/t22,000 oz
StroudInferred2.80 g/t168,000 oz
Total OntarioMeasured and Indicated2.44 g/t1,252,000 oz
Total OntarioInferred2.52 g/t913,000 oz

Resources as of Dec 31, 2025 (S-K 1300), exclusive of reserves: McEwen’s Reserves and Resources page. Reserve: Grey Fox PFS release, Jun 8, 2026.

Qualified persons: Channa Kumarage, P.Eng., Vice President, Operations (technical contents, including reserves) and Luke Willis, P.Geo., Director of Resource Modelling (resources), both Qualified Persons as defined by SEC S-K 1300 and NI 43-101 (presentation, Sept 2026, slide 2). Resources are exclusive of reserves. See the cautionary statement.

Workers walking to the Fox Complex mill
Two miners underground at the Fox Complex
Fox Complex pit from the air

Photos: McEwen Inc.