Spanish Mountain Gold Ltd. (TSX-V: SPA) (FSE: S3Y) (OTCQB: SPAUF) is pleased to report additional assay results from five exploration drill holes within the Orca Fault target trend that were completed as part of its 2025 Fall Diamond Drill program for the Spanish Mountain Gold project, which is located in the Cariboo Gold Corridor, British Columbia, Canada.

The company has completed approximately 13,819 metres, surpassing the original estimate of drilling of 9,000 to 10,000 m of exploration drilling planned under the 2025 Fall Drill Program, now continuing into 2026. Assays and geochemistry are pending receipt from the laboratory and or reporting from seven additional drill holes completed within the Orca Fault target area.

Highlights:

• 26-DH-1328 intersected two intervals of gold mineralization including:
  • 205.87 m of 0.58 g/t gold from 10.13 m including 47.00 m of 1.19 g/t gold with a high-grade subset of 14.50 m of 2.22 g/t gold; and
  • 58.00 m of 0.52 g/t gold from 290.00 m including 10.34 m of 1.31 g/t gold.
• 26-DH-1329 intersected three intervals of gold mineralization including:
  • 142.00 m of 0.77 g/t gold from 9.00 m including 53.00 m of 0.88 g/t gold with a high-grade subset of 23.50 m of 1.57 g/t gold;
  • 19.50 m of 0.69 g/t gold from 213.50 m including 1.50 m of 6.16 g/t gold; and
  • 7.50 m of 0.88 g/t gold from 247.50 m including 0.70 m of 8.17 g/t gold
• 26-DH-1331A intersected 69.40 m of 0.99 g/t gold from 50.60 m including 19.50 m of 1.86 g/t gold

Key Findings:

• Current exploration drilling assay results continues to intersect significant higher-grade gold mineralization over 530 m in strike length in the Orca Fault target area trend (Figure 3) and the continuity can now be traced across multiple parallel, adjacent drill sections over 200 m in width.

Main Deposit – Orca Fault area

Five additional drill holes were collared and successfully completed (see Figure 3) in the Orca Fault target area, 26-DH-1328 (Figure 1 and Table 1), 26-DH-1329 (Figure 2 and Table 2), 26-DH-1330 (Figure 1 and Table 3), and 26-DH-1331A (Figure 2 and Table 4), and 26-DH-1332 (Figure 1 and Table 5). These drill holes continue to confirm and lend confidence to the extent of the Orca Fault target area over 530 m strike length, northwest to southeast, and its geological and structural interpretation within the constraining open pit for the MRE (see July 3, 2025 news release).

The continued intersection of broad zones of higher-grade gold mineralization, such as the thick intersection of gold mineralization in drill hole 26-DH-1328 (Figure 1 and Table 1) reinforces the opportunities for not only enhancing the Orca Fault target understanding but developing favorable structures outward into other areas of the Main deposit while exploring for higher-grade gold mineralization in the near surface, open pit environment, as defined in the recent MRE (see July 3, 2025 news release). Drill hole 26-DH-1328 intersected 205.87 m of 0.58 g/t gold from 10.13 m including 47.00 m of 1.19 g/t gold with a high-grade subset of 14.50 m of 2.22 g/t gold.

All results to date continue to reinforce that tighter exploration drill spacing is unlocking additional mineral potential in the Main deposit as drilling systematically works outward from the Orca Fault target, tracking the higher-grade gold mineralization. These exploration drill holes are presented on drill sections (Figure 1 and Figure 2) that shows the alignment of the higher-grade gold mineralization.

Table 1: Assay Results for 26-DH-1328

Table 2: Assay Results for 26-DH-1329

Table 3: Assay Results for 26-DH-1330

Table 4: Assay Results for 25-DH-1331A (note 25-DH-1331 stopped in fault prematurely, recollared)

Table 5: Assay Results for 26-DH-1332

Notes for Table 1 to Table 5:

1. Reported intersections are calculated using a 0.15 g/t Au cut-off grade.
2. The complete assay table is available on the Company’s website
3. True thickness of mineralization is unknown as the project is still at the exploration stage

The integration of assay results from these five exploration drill holes strengthens the overall continuity for the new Orca Fault target and the association of higher-grade mineralization over a strike length of 530 m, northwest to southeast (see Figure 3). Stronger continuity is also now being developed spanning multiple, parallel, adjacent drill sections ranging over 200 m, northeast to southwest, at the widest point along the 530 m, main Orca Fault target trend (see Figure 2).

Figure 3 illustrates the locations for five drill hole results outlined in this news release and the drill holes currently in the assay lab, or in process of being drilled. Drill collar location coordinates are summarized for the 2025 Fall Drill Program in Table 6 at the end of this news release.

Drill Core Processing, Data Verification and Quality Assurance – Quality Control Program (QAQC)

Once received from the drill and processed, all drill core samples were sawn in half, labeled, and bagged. The remaining half of the drill core was securely stored on-site. Numbered security tags were applied to sample shipments to ensure chain of custody compliance. The Company inserts quality assurance and quality control (QAQC) samples at regular intervals, including blanks and reference materials, for all sample shipments to monitor laboratory performance.

Standards and blanks account for a minimum of 20% of the samples in addition to the laboratory’s internal quality assurance programs. The QAQC program was overseen by the Company’s Qualified Person, Julian Manco, P.Geo, Director of Exploration (as described below).

The data verification process involved a multi-step approach to ensure accuracy and integrity. This included a detailed quality control (QC) analysis of the data, which was performed using both internal and external platforms, such as the MxDeposit™ software. These QC checks involved the analysis of certified reference materials (CRMs), blanks, and duplicates to confirm the reliability of the assay results. In addition, a field inspection of the specific drill intervals mentioned in this release has been conducted to directly observe the geological features and verified the nature of the results presented.

Drill core samples were submitted to MSALABS’s analytical facility in Prince George, British Columbia, for sample preparation and PhotonAssay^TM analysis. The MSALABS facilities are accredited to the International Standards ISO/IEC 17025 and ISO 9001 standard for gold and multi-element assays, with all analytical methods incorporating quality control materials at defined frequencies and established data acceptance criteria. MSALABS Inc. is independent of the Company.

PhotonAssay^TM

The PhotonAssay^TM method utilizes gamma ray analysis for gold detection using the Chrysos PhotonAssay^TMinstrument (PA1408X). This non-destructive, fully automated technique offers high accuracy for analyzing ores and pulps. Sample preparation begins with drying and crushing up to 1 kg of material to achieve at least 70% passing through a 2-millimetre (mm) sieve. The sample is then riffle split to obtain a suitable aliquot for 2 testing cycles (MSALABS Method CPA-Au1). The PhotonAssay^TM instrument bombards 400- to 600-gram samples contained in sealed containers with gamma rays.

These containers remain sealed throughout the process, preserving the sample for potential further testing. The analysis is performed robotically, with results that integrate into existing laboratory management systems. Each sample is accompanied by a reference disc traceable to a Certified Reference Material (CRM). Both the sample and reference disc undergo gamma ray exposure, with signals detected and analyzed to ensure accurate and reliable results. The method offers a gold detection range from 0.015 parts per million (ppm – lower limit) to 10,000 ppm (upper limit). Quality control includes the use of reference materials and blanks, with all results reviewed by a competent person before reporting.

Spanish Mountain Gold implemented two QAQC methodologies to validate the accuracy of PhotonAssay^TMresults, both demonstrating good comparability: 1) comparative analysis of diverse mineralization styles using Total Au screen metallic methods with both FAS-415 (gravimetric finish) and FAS-211 (AAS finish), and 2) comprehensive testing of both sample aliquots and rejects using FAS-211 (AAS finish). QAQC Testing typically can include the following spot checks: 1) Pulverizing tests to evaluate variability in sample preparation, 2) Cross-analysis at external laboratories using screen metallic method, and 3) Five-cycle radiation testing to identify and calibrate potential variability in gold results with variable radiation intensity.

Multi-Elemental Analysis

For the 2025 drilling campaign Spanish Mountain Gold used IMS-230 method to provide multi-element determination using a five-acid digestion followed by ICP-OES and ICP-MS analysis.

Key Process Steps:

Sample Preparation: Samples are dried and ground to a specific criterion (85% passing 75 microns (μm) for rocks and drill core; 180μm for soils and sediments). A homogeneous 10-gram sample is required. Digestion: Samples undergo sequential digestion with nitric, perchloric, hydrofluoric, and hydrochloric acids, followed by dilution with deionized water.

Analysis: The solution is analyzed via ICP-OES and ICP-MS for multi-element quantification.

Quality Control: The process includes reference materials, blanks, and duplicates, with corrections for spectral interferences and thorough review before final reporting.

About Spanish Mountain Gold Ltd.

Spanish Mountain Gold Ltd. is focused on advancing its 100%-owned Spanish Mountain Gold Project (Project) towards its goal to build the next gold mine in the Cariboo Gold Corridor, British Columbia. On August 18, 2025, the Company filed an NI 43-101 Technical Report on SEDAR+ that sets out the Project’s de-risked and optimized Preliminary Economic Assessment (PEA), with an updated Mineral Resource Estimate (MRE). We will continue to advance the Project to position the Company to make a construction decision in 2027. We are striving to be a leader in community and Indigenous relations by leveraging technology and innovation to build the ‘greenest’ gold mine in Canada. The Relentless Pursuit for Better Gold means seeking new ways to achieve optimal financial outcomes that are safer, minimize environmental impact and create meaningful sustainability for communities. Details on the Company are available on www.sedarplus.ca and on the Company’s website: www.spanishmountaingold.com.

On Behalf of the Board,

“Peter Mah”

President, Chief Executive Officer and Director

Spanish Mountain Gold Ltd.

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.

Table 6: Drill Collar Information for Drill Holes