Transatlantic Intercepts up to 6.0 g/t Au and 13.71 g/t Ag over 1.5 Meters at the Historic Miller Gold Mine, Montana
Transatlantic Intercepts up to 6.0 g/t Au and 13.71 g/t Ag over
1.5 Meters at the Historic Miller Gold Mine, Montana
VANCOUVER, B.C., January 23, 2026 – Transatlantic Mining Corp. (the “Company”) (TCO:TSX.V)
is pleased to provide assay and sample results from its Phase 1, 25 hole drill program at the Miller
Gold Mine in Montana, USA.
The assay and drill highlights are:
• Surface reverse circulation drilling
• Focused on sampling and assaying of the granodiorite/sediment contact with drill
results up to 1.5 metres at 6.0 g/t Au and 13.71 g/t Ag in hole MMRC_2514.
The complete set of drillhole assays is shown in Table A.
• Surface sample in drill sump (Table B)
0.5 metres true width at 370 g/t Au and 270 g/t Ag sample # 2021543552
Rock Chip Samples may not reflect the average grade of mineralisation.
The drilling and returned assays indicate mineralisation at or close to the rock contacts. There is
likely to be a high nugget affect which may not be reflected in the drilling results but is evident in the
historical gold grades and historical gold observed. This is further evidenced by the sample of the
veins within the surface drill sump.
“The drilling confirms the contact of the granodiorite and metasediments exists along strike and
down dip, ” said Transatlantic CEO Bernie Sostak. This maiden drill program also uncovered vein and
contact extension to the south and north of the existing mine workings. The deposit remains open
along strike and at depth resulting in future drill target programs.”
Tabel A – Intersections in Sediment /Granodiorite Contact
Drillhole
Number From (m) To (m) Downhole Length
(m) Au (g/t) Ag (g/t)
MMRC_2501 117.3 118.9 1.5 1.20 9.60
169.2 172.2 3.0 1.20 7.54
MMRC_2502 120.4 121.9 1.5 1.61 6.17
MMRC_2503 89.9 94.4 4.5 2.66 10.74
MMRC_2504 123.5 125.0 1.5 5.76 21.94
129.5 131.0 1.5 4.15 15.43
MMRC_2506 114.3 117.3 3.0 1.65 6.86
MMRC_2507 141.7 143.2 1.5 1.23 12.00
144.8 146.3 1.5 2.88 9.60
147.8 149.3 1.5 2.26 8.57
MMRC_2508 97.5 99.0 1.5 1.17 7.54
114.3 115.8 1.5 1.23 6.17
MMRC_2509 6.1 7.6 1.5 1.65 4.11
16.8 18.3 1.5 1.03 8.57
MMRC_2510 13.7 15.2 1.5 2.40 10.97
89.9 91.4 1.5 1.20 20.57
MMRC_2512 120.4 121.9 1.5 1.51 9.60
134.1 135.6 1.5 1.65 7.54
140.2 141.7 1.5 1.03 6.17
MMRC_2513 135.6 137.1 1.5 1.10 5.14
MMRC_2514 13.7 15.2 1.5 6.00 13.71
15.2 18.2 3.0 2.30 8.57
MMRC_2523
Waste dump 1.5 3.0 1.5 5.49 18.86
The relationship of downhole width to true width of mineralisation is unknown
Holes MMRC2511, 2515 to 2522, 2524 and 2525 returned no significant intercepts.
The drilling of holes 2518 to 2524 were to test if any grade in the waste dump, though one hole
returned 1.5 metres at 5.49 g/t Au and will be reviewed further in 2026 with other dumps on the
property.
Tables of the full results can be found in Appendix A (assays) and B (outcrop)
Fig 1. Section on Hole 14 at the Miller Mine in Montana (see Appendix A also)
Transatlantic drilled down dip of the existing levels and more than 100 metres along strike ,to the
north and south of the mine footprint on the principal vein/contact. Transatlantic completed 2070
metres (m) in 25 holes for the phase 1 campaign.
The hole depth range was from 10 to 160 metres. Phase 1 comprises of a total of 25 holes. Of the
25 holes completed, eight have been drilled under the existing workings in the upper target area
(Figure 2), ten have explored extension to the north and south and seven shallow holes have tested
an old mine waste dump. The main target and focus is the vein/s on the contact of the sediment
and granodiorite.
The drilling identified and extended the granodiorite -metasediment contact 200 metres to the
north with Hole MMRC2504, an intersection of 1.5 metres at 5.76 g/t Au , 21.94 g/t Ag and 150
metres to the south where MMRC2514 is situated with 1.5 metres at 6 g/t Au and 13.71 g/t Ag
With the known workings and the latest drilling, the contact has now been intersected over a strike
of 500 metres.
MMRC 2514
1.5 m at 6 g/t Au
2021543552
0.5 m at 270 g/t Au
The planned drilling (Lower Target Drilling) on the underground has been moved to 2026 as the
permit expired for the 2025 drill season. An extension application has been submitted to the
government bodies for the 2026 season.
Figure 2 - Miller Mine Overview and Drilling Target Areas
Webinar: CEO Bernie Sostak will host an interactive webinar on Monday, January 26 at 2:00 pm PT
discussing the company’s drill results and future plans at Miller: Click HERE to register.
Golden Jubilee Drilling Postponed
Drilling at the Golden Jubilee project previously disclosed Sept 8, 2025 was postponed due to
oncoming winter weather conditions. Drill contractors were unable to safely mobilize before the
interim permit terminated December 1, 2025. An extension to the interim permit will be sort by the
company for drilling in 2026.
Monitor Project – Anvil prospect - Muon Geophysical Trial
The Company is waiting on the outcome and results for the muon trial at the Anvil prospect.
About the Miller Mine and Claim Group:
The Miller Gold Mine is located in the Broadwater County in the State of Montana, USA. The mine is
approximately 29 miles northeast of Townsend in Montana USA. The presence of gold
mineralisation has been confirmed by previous sampling in areas of the mine where access is
possible. Transatlantic is earning into the historic Miller Gold Property by means of a gold
production royalty near Helena, Montana.
A historical Report (*) on the Miller Mine notes that historically, gold bearing ore was mined on a
small scale by individual owners with sporadic production between 1901 and 1948. The mine is
being re accessed by Transatlantic to review existing ground conditions and infrastructure for
ongoing rehabilitation.
Located at the top end of the Confederate Gulch near what is now a ghost town in Diamond City, of
which once had a population of + 10,000. Placer gold was abundant and rich in this Gulch.
• Miller had an average recovered mine grade of 7.94 Oz /ton Au (248 g/t Au) and 4.65 Oz /ton
Ag (145 g/t Ag) (*)
• Hole #1 was drilled 300 feet below the lowest recorded workings and recorded 14.7 Oz /ton
Au (516 g/t Au)
The Miller Mine mineralisation occurs in quartz veins within and on the contact of a quartz
granodiorite stockwork. The discrete veins dip between 30 and 80 degrees whilst the stockwork has
multiple veinlets that range in width from a few centimetres to 2 metres. The contact zone of
alteration has been noted as over 15 m wide (50 feet). Mining has been undertaken on both an open
cut and underground methodology. The mine is at an elevation of 2000 m (6650 feet)
Highlights of previous sampling (see news release dated June 14, 2023)
Miller Mine -Lower Level
• Opened up Lower Winze Level immediately below the Lower Level.
• First grab samples from Lower Level Winze include 27.6 g/t Au (**), visual gold has also
been observed.
• Extended Lease Agreement to first renewal term with option to purchase by production
royalty.
About the Miller Mine and Claim Group:
Transatlantic has access to the Upper and Lower Level of the mine. The Miller Mine is situated
amongst patented and unpatented claims at an elevation of 1920 m (6,400 feet) and accessible by
roads 50 miles from Helena, Montana USA. Should mining occur at any time, an 8.5 % royalty on
ounces is to be paid. During the term of the agreement, the Company may purchase the property
for US $4,500,000, less the royalty payments made above, with a perpetual 1 % NSR to the vendor
thereafter.
The gold and silver mineralisation generally occurs on the contacts of sediments and igneous
intrusive with native gold and sulphides including pyrite often observed amongst the 4 known adits
located on the property.
Qualified Person and NI 43-101 Disclosure
Aslam Awan PhD MAusIMM (CP Geo) is the Qualified Person pursuant to National Instrument 43-
101 for having reviewed and approved the technical information contained in this news release. Mr.
Awan is the Principal for AAA Geo Consultants and is Independent of the Company.
Rock Chip Samples may not reflect the average grade of mineralisation.
QA/QC and Core Sampling Protocols
(**) The rock chip samples are grabs from the winze level drive of 5 kg in weight. The samples were
crushed in whole to plus 70 % passing 2 mm and then split and pulverised with analysis for gold
and silver at the Christofferson Laboratory, Smelterville, Idaho USA. The Laboratory is an
independent assay and umpire laboratory that follows industry techniques. The samples after
being pulverised are analysed with a 15 to 30 grams fire assay charge and gravimetrically finished.
(***) The reverse circulation drilling samples had a standard inserted every 25 samples . The
samples were crushed in whole to plus 70 % passing 2 mm and then split and pulverised with
analysis for gold and silver at the Christofferson Laboratory, Smelterville, Idaho USA. The
Laboratory is an independent assay and umpire laboratory that follows industry techniques. The
samples after being pulverised are analysed with a 15 to 30 grams fire assay charge and
gravimetrically finished.
(*) Hemsworth FJ: Report on the Miller Mine Helena Montana (July 2 1969)
(**) Company News Release dated June 14, 2023
About Transatlantic Mining Corp.
Transatlantic Mining (TSX-V: TCO) is an emerging precious and base metal explorer. The Company
has a focus on converting projects into mines within stable mining jurisdictions. The Company
currently has property interests including an 80% Joint Venture position on the Monitor Copper-
Gold project in Montana-Idaho (USA) and 100 % of the Golden Jubilee Gold Project with its
associated mining rights. The Company has an extended lease, right to mine and purchase
arrangement for the Miller Gold Mine in Montana to 100% ownership by way of payment royalty.
ON BEHALF OF THE BOARD OF DIRECTORS
“ Bernie Sostak”
For more information contact
604-614-8469
Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the
policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this
release
Appendix A
(***)
Drillhole
Number From (m) To (m) Downhole Length
(m) Au (g/t) Ag (g/t) Target
MMRC_2501 117.3 118.9 1.5 1.20 9.60 Sediment /Granodiorite Contact
169.2 172.2 3.0 1.20 7.54 Sediment /Granodiorite Contact
MMRC_2502 120.4 121.9 1.5 1.61 6.17 Sediment /Granodiorite Contact
MMRC_2503 89.9 94.4 4.5 2.66 10.74 Sediment /Granodiorite Contact
MMRC_2504 123.5 125.0 1.5 5.76 21.94 Sediment /Granodiorite Contact
129.5 131.0 1.5 4.15 15.43 Sediment /Granodiorite Contact
MMRC_2505 NSI Sediment /Granodiorite Contact
MMRC_2506 114.3 117.3 3.0 1.65 6.86 Sediment /Granodiorite Contact
MMRC_2507 141.7 143.2 1.5 1.23 12.00 Sediment /Granodiorite Contact
144.8 146.3 1.5 2.88 9.60 Sediment /Granodiorite Contact
147.8 149.3 1.5 2.26 8.57 Sediment /Granodiorite Contact
MMRC_2508 97.5 99.0 1.5 1.17 7.54 Sediment /Granodiorite Contact
114.3 115.8 1.5 1.23 6.17 Sediment /Granodiorite Contact
MMRC_2509 6.1 7.6 1.5 1.65 4.11 Sediment /Granodiorite Contact
16.8 18.3 1.5 1.03 8.57 Sediment /Granodiorite Contact
MMRC_2510 13.7 15.2 1.5 2.40 10.97 Sediment /Granodiorite Contact
89.9 91.4 1.5 1.20 20.57 Sediment /Granodiorite Contact
MMRC_2511 NSI Sediment /Granodiorite Contact
MMRC_2512 120.4 121.9 1.5 1.51 9.60 Sediment /Granodiorite Contact
134.1 135.6 1.5 1.65 7.54 Sediment /Granodiorite Contact
140.2 141.7 1.5 1.03 6.17 Sediment /Granodiorite Contact
MMRC_2513 135.6 137.1 1.5 1.10 5.14 Sediment /Granodiorite Contact
MMRC_2514 13.7 15.2 1.5 6.00 13.71 Sediment /Granodiorite Contact
15.2 18.2 3.0 2.30 8.57 Sediment /Granodiorite Contact
MMRC_2515 NSI Sediment /Granodiorite Contact
MMRC_2516 NSI Sediment /Granodiorite Contact
MMRC_2517 NSI Sediment /Granodiorite Contact
MMRC_2518 to 2522 NSI Waste Dump
MMRC_2523 1.5 3.0 1.5 5.49 18.86 Waste Dump
MMRC_2524 NSI Waste Dump
MMRC_2525 NS Incomplete hole
> 1 g/t Au
Reverse Circulation Drilling 5 1/4 inch diameter- 5 feet intervals
NSI = no significant intersection
NS = not sampled
True width of mineralisation unknown