HighGravityDataHecla Mining — Aug 4, 2026 release
Fiscal 2026 second-quarter results · 8-K Item 2.02 · Exhibit 99.1 · 0001193125-26-333077
Showing in the filing
Greens Creek Silver Production (Moz)
“8.0 - 8.3”
Period
FY2026
Measure
Company-defined measure
Source
Guidance table
All guidance in this release · 39
Consolidated silver production for FY2026
“15.1-16.1 million ounces”
Total Silver Production (Moz) for FY2026
“15.1 - 16.1”
Nevada exploration investment for FY2026
“$16 million”
Greens Creek silver production for FY2026
“8.0-8.3 million ounces”
Lucky Friday silver production for FY2026
“4.9-5.2 million ounces”
Keno Hill silver production for FY2026
“2.2-2.6 million ounces”
Greens Creek gold production for FY2026
“51.0-55.0 koz”
Total Gold Production (Koz) for FY2026
“51.0 - 55.0”
Total Silver AISC, after by-product credits,… for FY2026
“$12.50 - $13.50”
Greens Creek costs applicable to sales (excl… for FY2026
“$240 million”
Lucky Friday costs applicable to sales (excl… for FY2026
“$139 million”
Lucky Friday AISC (after by-product credits)… for FY2026
“$24.50-$26.00”
Total capital (growth and sustaining) invest… for FY2026
“$208-$223 million”
Gold price assumption
“$4,000/oz”
Silver price assumption
“$55.00/oz”
Zinc price assumption
“$1.40/lb”
Lead price assumption
“$0.85/lb”
Copper price assumption
“$4.00/lb”
Exchange rate (CAD/USD)
“1.35”
Greens Creek Silver Production (Moz) for FY2026
“8.0 - 8.3”
Lucky Friday Silver Production (Moz) for FY2026
“4.9 - 5.2”
Keno Hill Gold Production (Koz) for FY2026
“N/A”
Lucky Friday Gold Production (Koz) for FY2026
“N/A”
Keno Hill Silver Production (Moz) for FY2026
“2.2 - 2.6”
Greens Creek Costs applicable to sales (mill… for FY2026
“240”
Greens Creek cash cost per silver ounce (aft… for FY2026
“($12.50)-($12.00)”
Greens Creek AISC per silver ounce (after by… for FY2026
“($4.25)-($3.75)”
Lucky Friday Costs applicable to sales (mill… for FY2026
“140”
Lucky Friday cash cost (after by-product cre… for FY2026
“$9.00-$9.75”
Total Silver Costs applicable to sales (mill… for FY2026
“380”
Total Silver Cash cost, after by-product cre… for FY2026
“($4.00) - ($3.75)”
Total Capital Investment - Total for FY2026
“$208 - 223”
Total Capital Investment - Sustaining for FY2026
“$147 - 158”
Total Capital Investment - Growth for FY2026
“$61 - $65”
Greens Creek Capital Investment - Sustaining for FY2026
“61 - 65”
Lucky Friday Capital Investment - Sustaining for FY2026
“77 - 82”
Keno Hill Capital Investment - Growth for FY2026
“61 - 65”
Corporate Capital Investment - Sustaining for FY2026
“9 - 11”
Exploration and pre-development expenditures for FY2026
“$55 million”
Exhibit 99.1 · the passage around this item
… earlier in the release
Expectations for gold $4,000/oz, silver $55.00/oz, zinc $1.40/lb, lead $0.85/lb and copper $4.00/lb, for byproduct credit calculations. Numbers are rounded. Assumed exchange rate for Canadian dollar is unchanged at 1.35 CAD/USD.
Silver Production (Moz)
Gold Production (Koz)
Greens Creek
8.0 - 8.3
51.0 - 55.0
Lucky Friday
4.9 - 5.2
N/A
Keno Hill
2.2 - 2.6
N/A
2026 Total
15.1 - 16.1
51.0 - 55.0
Costs applicable to sales (5) (millions)
Cash cost, after by-product credits, per silver ounce (2)
AISC, after by-product credits, per produced silver ounce (3)
Greens Creek
240
($12.50) - ($12.00)
($4.25) - ($3.75)
Lucky Friday
140
$9.00 - $9.75
$24.50 - $26.00
Total Silver
380
($4.00) - ($3.75)
$12.50 - $13.50
(millions)
Total
Sustaining
Growth
2026 Total Capital Investment
$208 - 223
$147 - 158
$61 - $65
Greens Creek
61 - 65
61 - 65
-
Lucky Friday
77 - 82
77 - 82
-
Keno Hill
61 - 65
-
61 - 65
Corporate
9 - 11
9 - 11
-
2026 Exploration & Pre-Development
$55
PROJECT PIPELINE UPDATE _____________________________________________________________________________________________________________
7
Hecla remains focused on advancing a pipeline of organic growth
later in the release …
the item shown at left
other guidance in this release
Text is the filed exhibit, verbatim.