1911 Gold Reports High-Grade Intercepts from the SAM W Target at True North of 11.31 g/t Au over 1.70 m and 6.79 g/t Au over 2.40 m

Rhea-AI Summary

1911 Gold (OTCQX:AUMBF) reported new assay results from surface drilling at the San Antonio West (SAM W) target at its wholly owned, fully permitted True North Gold Project in Manitoba. Drilling in a 200 m by 200 m gap area on the northwest extensions confirmed continuity of gold mineralization between 230 m and 430 m depth.

Highlighted intercepts include 11.31 g/t Au over 1.70 m (including 16.20 g/t over 0.80 m) in hole TN-26-073 and 6.79 g/t Au over 2.40 m (including 7.98 g/t over 1.40 m) in TN-26-082, plus 5.72 g/t over 3.00 m in TN-26-089 and 11.80 g/t over 0.50 m in TN-26-097. The latest eight holes (2,980 m) bring SAM W drilling to 34 holes totaling 9,067 m, confirming continuous mineralization over 500 m strike and to down-plunge depths beyond 600 m, still open at depth.

According to 1911 Gold, these results will support a maiden mineral resource estimate for SAM W, SAM SE and Shore, with an updated global resource estimate targeted for the fourth quarter. Three underground rigs are active on infill and delineation drilling, with a fourth to be added after Level 26 rehabilitation.

Positive

• High-grade SAM W intercepts: up to 11.31 g/t Au over 1.70 m and 6.79 g/t Au over 2.40 m in 2026 drilling
• Additional strong interval: 5.72 g/t Au over 3.00 m in hole TN-26-089 at 327.40–330.40 m
• Scale of SAM W drilling: 34 drill holes completed totaling 9,067 m, supporting resource definition
• Continuous mineralization footprint: confirmed over 500 m strike and >600 m down-plunge, remaining open at depth
• Near-term resource catalysts: maiden resource for SAM W, SAM SE and Shore and updated global resource estimate targeted for Q4
• Active underground program: three drill rigs currently focused on infill and delineation for areas contemplated in the PEA mine plan

Negative

• None.

News Explained

The SAM W surface program is now complete for the resource update, and geological wire-frame modelling has begun for maiden estimates covering SAM W, SAM SE and Shore, moving the project from drilling toward resource definition.

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VANCOUVER, BC, Aug. 25, 2026 /PRNewswire/ -- 1911 Gold Corporation ("1911 Gold" or the "Company") (TSXV: AUMB) (OTCQX: AUMBF) (FRA: 2KY) is pleased to announce assay results from the surface exploration drill program at San Antonio West ("SAM W") at the Company's wholly-owned, operational and fully permitted True North Gold Project ("True North"), centrally located within the Company's 100%-owned Rice Lake Gold property, southeast Manitoba, Canada.

Drilling Highlights:

• Drilling confirmed the continuity of gold ("Au") mineralization within a gap area of the previously drilled SAM W target measuring approximately 200 metres ("m") deep and 200 m in strike length between depths of 230 m and 430 m from surface on the northwest extensions of the target area, and returned the following highlighted results:
  • TN-26-073: Intersected 11.31 grams per tonne ("g/t") Au over 1.70 m (at 391.10 m downhole depth), including 16.20 g/t Au over 0.80 m
  • TN-26-089: Intersected 5.72 g/t Au over 3.00 m (at 327.40 m downhole depth), including 9.65 g/t Au over 1.10 m
  • TN-26-082: Intersected 6.79 g/t Au over 2.40 m (at 204.40 m downhole depth), including 7.98 g/t Au over 1.40 m
  • TN-26-097: Intersected 11.80 g/t Au over 0.50 m (at 361.40 m downhole depth)

Shaun Heinrichs, President and CEO, stated, "We are pleased with the continuity of gold mineralization and the extent of the mineralized vein system at SAM W, which we have continued to intersect in our resource definition drilling, along with a number of high-grade gold intercepts. The three near-mine targets discovered in 2024 (SAM W, SAM SE and Shore) are encouraging given their high-grade nature and their occurrence at higher elevations at True North compared to the currently defined resource. Drilling in support of the resource update is now complete and geological modelling is underway, keeping us on track to deliver an updated global resource estimate in the fourth quarter of this year. As we continue to develop these targets, we expect them to have a significant, long-term impact on the production potential at True North."

The latest assay results are from eight (8) surface diamond drill holes for 2,980 m from the exploration drilling program testing the resource potential of the SAM W target located adjacent to existing infrastructure at True North. Drilling was conducted from surface to define the strike and depth extensions of previously released drill results from SAM W during 2025 and 2026 (see Figure 1). One (1) drill hole, TN-26-097A, did not reach target depth and was abandoned. The Company has now completed thirty-four (34) drill holes for a total of 9,067 m at SAM W, where two (2) drill holes, TN-25-071A and TN-26-097A, did not reach target and were abandoned. All results from SAM W will support a maiden mineral resource estimate.

Table 1: Significant Drill Results – SAM W Surface Drill Program

Target Area	Drill Hole	From	To	Interval	Gold Grade
(name)	(number)	(m)	(m)	(m)	(g/t Au)
SAM W	TN-26-073	391.10	392.80	1.70	11.31
	Including	392.00	392.80	0.80	16.20
SAM W	TN-26-082	204.40	206.80	2.40	6.79
	Including	205.40	206.80	1.40	7.98
SAM W	TN-26-082	351.00	352.00	1.00	3.82
SAM W	TN-26-089	52.20	53.00	0.80	3.74
SAM W	TN-26-089	327.40	330.40	3.00	5.72
	Including	329.30	330.40	1.10	9.65
SAM W	TN-26-092	390.70	391.70	1.00	3.29
SAM W	TN-26-097	361.40	361.90	0.50	11.80
SAM W	TN-26-097	363.60	364.40	0.80	2.40

1)	Intercepts above a cut-off grade of 2.25 g/t Au
2)	Maximum of 2.50 m internal dilution and no top capping applied
3)	Intervals represent drill core length and are considered to represent 70% to 90% of true widths
4)	Intercepts reported at downhole depths (m)
5)	Selected drill hole assay results in Table 2
6)	Drill hole information included in Table 3

San Antonio West Target (SAM W): Discussion of Results

The latest surface exploration drilling at SAM W confirmed the continuity of mineralization within a gap in previous drilling over an area measuring 200 m in elevation and 200 m along strike length from depths of 230 m to 430 m from surface within the northwest extensions of the target area. The latest results confirmed continuity of high-grade vein-hosted gold mineralization to the northwest, hosted within the San Antonio gabbro unit ("SAM gabbro"), adjacent to the intersection with the regional Cartwright South shear zone. Drilling in the current program has now confirmed continuous mineralization at SAM W over a strike length of 500 m and to down-plunge depths of over 600 m and remains open at depth. The historical San Antonio mine is located in the same geological setting approximately 500 m to the south. The mineralized intercepts are characterized by quartz-carbonate shear veins predominantly striking east-west and dipping steeply to the north and vein breccias trending northwest and dipping to the northeast with sericite, ankerite and chlorite alteration, associated with pyrite disseminated and in veinlets. All seven (7) drill holes that reached target depth confirmed the continuity of the target and intersected mineralization in veining within the SAM gabbro host.

Drilling confirmed the extensions and continuity of the SAM W vein system above and to the northwest of previous drill hole TN-25-064¹ which intersected 24.83 g/t Au over 2.60 m, including 46.00 g/t Au over 1.00 m (at 490.00 m downhole depth) and drill hole TN-25-071¹ which intersected 12.80 g/t Au over 0.80 m (at 473.50 m downhole depth). Drilling confirmed the continuity of mineralization below and to the northwest of hole TN-24-006² which intersected 3.70 g/t Au over 4.84 m (at 125.38 m downhole depth), including 7.23 g/t Au over 1.05 m and 8.42 g/t Au over 0.91 m.

Drilling also extended mineralization along strike to the northwest of previous drill hole TN-25-057³ which intersected 58.66 g/t Au over 1.40 m (at 145.00 m downhole depth), including 63.20 g/t Au over 0.90 m and 50.50 g/t Au over 0.50 m, all within the same geological setting.

1 - See press release dated November 11, 2025 (1911 Gold Intersects up to 24.83 g/t Gold over 2.60 m on San Antonio West at the True North Project).

2 - See press release dated February 4, 2025 (1911 Gold Intersects 8.42 g/t Gold over 0.91 m and 7.23 g/t Gold over 1.05 m in Drilling at True North).

3 - See press release dated June 10, 2025 (1911 Gold Intersects up to 58.66 g/t Gold over 1.40 m on San Antonio West Zone at True North).

Table 2: Selected Drill Hole Assays – SAM W Surface Drill Program

Target Area (name)	Drill Hole (number)	From (m)	To (m)	Interval (m)	Gold Grade (g/t Au)
SAM W	TN-26-073	391.10	392.80	1.70	11.31
	Including	392.00	392.80	0.80	16.20
SAM W	TN-26-077	338.80	341.20	2.40	0.47
SAM W	TN-26-077	348.90	350.00	1.10	0.87
SAM W	TN-26-082	204.40	206.80	2.40	6.79
	Including	205.40	206.80	1.40	7.98
SAM W	TN-26-082	351.00	352.00	1.00	3.82
SAM W	TN-26-089	51.50	52.20	0.70	0.95
SAM W	TN-26-089	52.20	53.00	0.80	3.74
SAM W	TN-26-089	57.90	59.00	1.10	1.95
SAM W	TN-26-089	272.20	273.00	0.80	0.66
SAM W	TN-26-089	300.80	301.70	0.90	0.58
SAM W	TN-26-089	320.00	321.20	1.20	1.37
SAM W	TN-26-089	325.80	326.50	0.70	0.94
SAM W	TN-26-089	327.40	330.40	3.00	5.72
	Including	329.30	330.40	1.10	9.65
SAM W	TN-26-089	331.80	332.70	0.90	1.07
SAM W	TN-26-092	92.80	93.80	1.00	0.54
SAM W	TN-26-092	97.20	99.20	2.00	0.58
SAM W	TN-26-092	384.60	385.80	1.20	2.17
SAM W	TN-26-092	390.70	391.70	1.00	3.29
SAM W	TN-26-092	400.40	401.00	0.60	2.20
SAM W	TN-26-092	403.50	404.10	0.60	2.02
SAM W	TN-26-096	67.40	68.20	0.80	2.15
SAM W	TN-26-096	392.80	393.30	0.50	1.03
SAM W	TN-26-096	396.00	396.80	0.80	1.45
SAM W	TN-26-097	57.00	57.90	0.90	1.27
SAM W	TN-26-097	82.80	83.40	0.60	1.30
SAM W	TN-26-097	358.80	360.00	1.20	1.69
SAM W	TN-26-097	360.90	361.40	0.50	1.37
SAM W	TN-26-097	361.40	361.90	0.50	11.80
SAM W	TN-26-097	363.60	364.40	0.80	2.40
SAM W	TN-26-097	364.90	366.20	1.30	1.16

*Composites above 0.5 g/t Au

Next Steps

Additional underground exploration drilling from the Hinge decline is underway, testing the depth extensions of SAM SE and is expected to be completed by the end of August.

Geological wire-frame modelling of the veins has commenced in preparation for a maiden resource estimate on the SAM W, SAM SE and Shore targets, with the updated global resource estimate expected in the fourth quarter of this year.

Current drilling activities are being conducted from underground with three (3) drill rigs focused on infill and delineation drilling of areas contemplated for test mining and the early years of the Preliminary Economic Assessment ("PEA") mine plan. Two (2) underground drill rigs are active on Level 16, and a third is operating from the Hinge decline. A fourth drill rig will be mobilized upon completion of rehabilitation on Level 26.

Table 3: SAM W Drill Hole Details (UTM NAD83 Zone 15)

Drill Hole (Number)	Target (Name)	Northing (m)	Easting (m)	Elevation (masl)	Azimuth (°)	Inclination (°)	Depth (m)
TN-26-073	SAM W	5,656,268	311,854	263	170	-85	470.0
TN-26-077	SAM W	5,656,269	311,852	265	226	-67	400.0
TN-26-082	SAM W	5,656,269	311,853	264	205	-73	391.0
TN-26-089	SAM W	5,656,268	311,853	264	168	-65	391.0
TN-26-092	SAM W	5,656,269	311,852	264	130	-67	448.0
TN-26-096	SAM W	5,656,271	311,853	263	109	-81	439.0
TN-26-097A	SAM W	5,656,270	311,851	264	145	-77	25.5
TN-26-097	SAM W	5,656,270	311,851	264	145	-77	416.0

Qualified Person Statement

The scientific and technical information in this news release has been reviewed and approved by Mr. Michele Della Libera, P.Geo., Vice-President Exploration of 1911 Gold Corporation, who is a "Qualified Person" as defined under NI 43-101.

Quality Assurance/Quality Controls (QA/QC)

Oriented core samples are collected by sawing the drill core in half along its axis; one half is sampled, placed in plastic sample bags, labelled and sealed, and the other half is retained for future reference. Batches are shipped to Activation Laboratories Ltd. (Actlabs), in Thunder Bay, Ontario, for sample preparation and analysis. Samples are dried, crushed to 2 mm and a 1 kg split is pulverized to -200 mesh. Gold analysis is completed by fire assay with an atomic absorption finish on 50 grams of prepared pulp. Samples returning values equal to or greater than 10.00 g/t Au are re-analyzed by fire assay with a gravimetric finish. Total gold analysis (Screen Metallic Sieve) is conducted on highly mineralized samples or samples containing visible gold. Certified gold reference material samples are inserted every 20 samples and blank samples at intervals of one in every 50 samples, with additional blanks inserted after samples hosting visible gold. Repeat third-party gold analyses are conducted on 5% of all submitted sample pulps at ALS-Chemex Laboratory, North Vancouver, Canada.

About 1911 Gold Corporation

1911 Gold is an advanced gold explorer and developer focused on its 100%-owned True North Gold Project in the Archean Rice Lake Greenstone Belt in Manitoba, Canada. The Company controls a large, highly prospective ~62,000-hectare land package with numerous past-producing gold operations within trucking distance of the fully built and permitted True North mine and mill complex. 1911 Gold is positioning itself to make a decision on restarting operations in the future and offers a unique investment opportunity with significant exploration upside. The strategy is to build a district-scale gold mining operation around centralized and readily expandable infrastructure to support a socially and environmentally responsible, long-term mining operation with little development risk and a growing mineral resource base.

1911 Gold's True North complex and the exploration land package are located within and among the First Nation communities of the Hollow Water First Nation and the Black River First Nation. 1911 Gold looks forward to maintaining open, cooperative, and respectful communications with all of our local communities and stakeholders to foster mutually beneficial working relationships.

ON BEHALF OF THE BOARD OF DIRECTORS

Shaun Heinrichs
President and CEO

www.1911gold.com 

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING INFORMATION

This news release contains forward-looking information or forward-looking statements within the meaning of applicable securities laws (collectively, "forward-looking statements"). Often, but not always, forward-looking statements can be identified by the use of words and phrases such as "plans", "expects" or "does not expect", "is expected", "budget", "scheduled", "estimates", "forecasts", "intends", "anticipates" or "does not anticipate", or "believes", or that describe a "goal", or variations of such words and phrases, or statements that certain actions, events or results "may", "could", "would", "might" or "will" be taken, occur or be achieved.

All statements that address expectations or projections about the future, including, but not limited to, statements with respect to the ongoing drill programs and the timing and results thereof, preparation and delivery of a global resource estimate, the targets to be included and the timing thereof, and ongoing development work to advance the project towards a potential production decision, and the Company's objectives, goals and future plans and strategies, are forward-looking statements. 

While 1911 Gold has not made a production decision, should 1911 Gold make such a decision in the future without a feasibility study of mineral reserves, demonstrating economic and technical viability, there may be increased uncertainty of achieving any particular level of recovery of minerals or the cost of such recovery, including increased risks associated with developing a commercially mineable deposit. Historically, such projects have a much higher risk of economic and technical failure. There is no guarantee that 1911 Gold will make a production decision, and, if it does, there is no guarantee that any production will begin as anticipated or at all or that any anticipated production costs will be achieved. Failure to make a positive decision to commence production would have a material adverse impact on 1911 Gold's ability to generate revenue and cash flow to fund operations. Failure to achieve any anticipated production costs would have a material adverse impact on 1911 Gold's cash flow and future profitability.

All forward-looking statements reflect the Company's beliefs and assumptions based on information available at the time the statements were made. Actual results or events may differ from those predicted in these forward-looking statements. All of the Company's forward-looking statements are qualified by the assumptions that are stated or inherent in such forward-looking statements, including the assumptions listed below. Although the Company believes that these assumptions are reasonable, this list is not exhaustive of factors that may affect any of the forward-looking statements.

Forward-looking statements involve known and unknown risks, future events, conditions, uncertainties and other factors which may cause the actual results, performance or achievements to be materially different from any future results, predictions, projections, forecasts, performance or achievements expressed or implied by the forward-looking statements. Although 1911 Gold has attempted to identify important factors that could cause actual actions, events or results to differ materially from those described in forward-looking statements, there may be other factors that cause actions, events or results not to be as anticipated, estimated or intended. There can be no assurance that forward-looking statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements. Accordingly, readers should not place undue reliance on forward-looking statements.

In addition, readers are directed to review the detailed risk discussion in the Company's Annual Management's Discussion & Analysis for the year ended December 31, 2025, filed on SEDAR+, which discussions are incorporated by reference in this news release, for a fuller understanding of the risks and uncertainties that affect the Company's business and operations.

All forward-looking statements contained in this news release are given as of the date hereof. The Company disclaims any intention or obligation to update or revise any forward-looking statements whether as a result of new information, future events or otherwise, except in accordance with applicable securities laws.

Neither TSXV nor its Regulation Services Provider (as that term is defined in policies of the TSXV) accepts responsibility for the adequacy or accuracy of this release.

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SOURCE 1911 Gold Corporation

FAQ

What did 1911 Gold (AUMBF) announce about new drill results at SAM W on August 25, 2026?

1911 Gold reported new surface drill assay results from the SAM W target, confirming continuous gold mineralization. According to 1911 Gold, eight holes totaling 2,980 m returned intervals up to 11.31 g/t Au over 1.70 m, supporting a forthcoming maiden resource estimate.

What are the highest-grade gold intercepts from 1911 Gold’s SAM W drilling at True North?

Key SAM W intercepts include 11.31 g/t Au over 1.70 m and 6.79 g/t Au over 2.40 m. According to 1911 Gold, additional intervals such as 5.72 g/t Au over 3.00 m and 11.80 g/t Au over 0.50 m further confirm high-grade vein-hosted mineralization.

How extensive is the mineralization at the SAM W target in 1911 Gold’s True North project?

Mineralization at SAM W is now confirmed over 500 m of strike and to depths exceeding 600 m down plunge. According to 1911 Gold, the system remains open at depth, with drilling filling a 200 m by 200 m gap area on the northwest extensions.

How many drill holes has 1911 Gold completed at SAM W and what is the total meterage?

1911 Gold has completed 34 drill holes at SAM W, totaling 9,067 m of drilling. According to 1911 Gold, seven of the latest eight holes reached target depth and all intersected mineralization within the SAM gabbro host, supporting resource definition work.

When is 1911 Gold (AUMBF) expecting a maiden resource estimate for SAM W and related targets?

A maiden resource estimate for SAM W, SAM SE and Shore is being prepared, with an updated global resource estimate targeted for the fourth quarter. According to 1911 Gold, geological wire-frame modelling of veins has already commenced to support these estimates.

What ongoing drilling activities are supporting 1911 Gold’s True North resource and PEA plans?

Underground drilling from the Hinge decline is testing depth extensions of SAM SE, with completion expected by end of August. According to 1911 Gold, three underground rigs are focused on infill and delineation for PEA mine plan areas, with a fourth rig to be mobilized after Level 26 rehabilitation.

What QA/QC procedures does 1911 Gold use for gold assays at the True North project?

1911 Gold uses half-core sampling, certified reference materials, blanks and third-party checks to ensure assay quality. According to 1911 Gold, samples are analyzed at Actlabs by fire assay, with high-grade samples re-assayed gravimetrically and additional checks at ALS-Chemex on 5% of pulps.