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Promising Assay Results From STLLR Gold's Hollinger Tailings Project Provides Confirmation of Gold Throughout the Tested Facility

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STLLR Gold reports promising results from its Hollinger Tailings Project in Timmins, Ontario, with consistent gold mineralization across drilled intervals. The company completed 11,223 meters of sonic drilling across 423 holes, with 75% of assay results received showing uniform grade distribution. Notable intercepts include 0.56 g/t Au over 20.15m, 0.54 g/t Au over 23.75m, and 0.47 g/t Au over 27.45m. The historic Hollinger Mine, which operated from 1910-1968, produced 19M ounces of gold at 9.9 g/t. The site contains an estimated 50-60M tonnes of tailings. STLLR is advancing toward a mineral resource estimate and metallurgical testing program, with results expected in H2 2025.
STLLR Gold riporta risultati promettenti dal suo progetto Hollinger Tailings a Timmins, Ontario, con una mineralizzazione dell'oro costante lungo gli intervalli perforati. La società ha completato 11.223 metri di perforazioni soniche su 423 fori, con il 75% dei risultati delle analisi che mostrano una distribuzione uniforme del grado. Intercettazioni significative includono 0,56 g/t Au su 20,15 m, 0,54 g/t Au su 23,75 m e 0,47 g/t Au su 27,45 m. La storica miniera Hollinger, attiva dal 1910 al 1968, ha prodotto 19 milioni di once d'oro con una concentrazione di 9,9 g/t. Il sito contiene una stima di 50-60 milioni di tonnellate di residui minerari. STLLR sta procedendo verso una stima delle risorse minerarie e un programma di test metallurgici, con risultati attesi nella seconda metà del 2025.
STLLR Gold informa resultados prometedores de su proyecto Hollinger Tailings en Timmins, Ontario, con una mineralización de oro constante a lo largo de los intervalos perforados. La compañía completó 11,223 metros de perforación sónica en 423 pozos, con el 75% de los resultados de los ensayos mostrando una distribución uniforme de la ley. Intercepciones destacadas incluyen 0,56 g/t Au sobre 20,15 m, 0,54 g/t Au sobre 23,75 m y 0,47 g/t Au sobre 27,45 m. La histórica mina Hollinger, que operó de 1910 a 1968, produjo 19 millones de onzas de oro a 9,9 g/t. El sitio contiene un estimado de 50-60 millones de toneladas de relaves. STLLR avanza hacia una estimación de recursos minerales y un programa de pruebas metalúrgicas, con resultados esperados en la segunda mitad de 2025.
STLLR Gold는 온타리오주 팀민스에 위치한 홀린저 테일링스 프로젝트에서 유망한 결과를 보고했습니다. 시추 구간 전반에 걸쳐 일관된 금 광화가 확인되었습니다. 회사는 423개의 홀에서 총 11,223미터의 소닉 시추를 완료했으며, 분석 결과의 75%가 균일한 등급 분포를 보였습니다. 주목할 만한 구간으로는 20.15m 구간에서 0.56 g/t Au, 23.75m 구간에서 0.54 g/t Au, 27.45m 구간에서 0.47 g/t Au가 포함됩니다. 1910년부터 1968년까지 운영된 역사적인 홀린저 광산은 9.9 g/t의 금 등급으로 1,900만 온스의 금을 생산했습니다. 이 부지에는 약 5,000만에서 6,000만 톤의 테일링스가 추정됩니다. STLLR는 광물 자원 추정 및 야금 시험 프로그램을 진행 중이며, 결과는 2025년 하반기에 발표될 예정입니다.
STLLR Gold annonce des résultats prometteurs pour son projet Hollinger Tailings à Timmins, Ontario, avec une minéralisation en or constante sur les intervalles forés. La société a réalisé 11 223 mètres de forage sonique sur 423 trous, 75 % des résultats d'analyses reçus montrant une répartition uniforme de la teneur. Parmi les intercepts notables figurent 0,56 g/t Au sur 20,15 m, 0,54 g/t Au sur 23,75 m et 0,47 g/t Au sur 27,45 m. La mine historique Hollinger, exploitée de 1910 à 1968, a produit 19 millions d'onces d'or à 9,9 g/t. Le site contient environ 50 à 60 millions de tonnes de résidus miniers. STLLR progresse vers une estimation des ressources minérales et un programme d'essais métallurgiques, avec des résultats attendus au second semestre 2025.
STLLR Gold berichtet von vielversprechenden Ergebnissen seines Hollinger Tailings Projekts in Timmins, Ontario, mit gleichmäßiger Goldmineralisierung über die gebohrten Abschnitte hinweg. Das Unternehmen hat 11.223 Meter Schallbohrungen in 423 Löchern abgeschlossen, wobei 75 % der Analyseergebnisse eine gleichmäßige Gehaltsverteilung zeigen. Bemerkenswerte Abschnitte umfassen 0,56 g/t Au über 20,15 m, 0,54 g/t Au über 23,75 m und 0,47 g/t Au über 27,45 m. Die historische Hollinger-Mine, die von 1910 bis 1968 betrieben wurde, produzierte 19 Millionen Unzen Gold mit einem Gehalt von 9,9 g/t. Die Lagerstätte enthält schätzungsweise 50-60 Millionen Tonnen Tailings. STLLR arbeitet an einer Schätzung der Mineralressourcen und einem metallurgischen Testprogramm, dessen Ergebnisse für das zweite Halbjahr 2025 erwartet werden.
Positive
  • Consistent gold mineralization found throughout the tested facility with uniform grade distribution
  • Higher-than-average gold grades discovered in Phase 1 (northern portion)
  • 75% of assay results received, providing sufficient data for metallurgical testing program
  • Large resource potential with estimated 50-60 million tonnes of tailings
  • Recent Ontario Mining Act amendments streamline permitting for tailings reprocessing
Negative
  • Relatively low gold grades (0.47-0.56 g/t Au) compared to modern mining operations
  • Results from 25% of assays still pending
  • Metallurgical recovery rates yet to be determined

Toronto, Ontario--(Newsfile Corp. - June 16, 2025) - STLLR Gold Inc. (TSX: STLR) (OTCQX: STLRF) (FSE: O9D) ("STLLR" or the "Company") is pleased to report additional promising results from its characterization program at the Hollinger Tailings Project ("Hollinger") located in the Timmins Mining Camp, Ontario, Canada.

Key takeaways from additional results at the Hollinger characterization program:

  • Consistent grade profiles: Results from the latest batch continue to demonstrate uniform grade distribution across drilled intervals. Most holes returned mineralized values throughout their full length.

  • Emerging Grade Trends Within Hollinger: The Company is observing higher-than-average gold grades in Phase 1, the northern portion of Hollinger (see Figure 1). Overall results support continued advancement of Hollinger towards a potential mineral resource estimate and further economic evaluation.

  • Metallurgical Program Advancing: With approximately 75% of assay results now received, STLLR has sufficient data to scope and design a targeted metallurgical testing program for the Hollinger material. Planning and preparatory work for the program is currently underway, with results anticipated in the second half of 2025.

Table 1: Hollinger Characterization Program Assay Highlights (For more information see Tables 2 & 3 and Figures 1 to 5):

Hole IDAssay Result
KP25-010.56 grams per tonne gold ("g/t Au") over 20.15 metres ("m") (including 0.65 g/t Au over 12.75 m)
HTF25-2290.54 g/t Au over 23.75 m
HTF25-1580.47 g/t Au over 27.45 m (including 0.97 over 8.45 m)
HTF25-3450.52 g/t Au over 23.45 m (including 0.66 g/t Au over 2.00 m & 0.57 g/t Au over 8.55 m)

 

Keyvan Salehi, P.Eng., MBA, President, CEO, and Director of STLLR, commented: "The Hollinger characterization program continues to demonstrate consistent gold mineralization across the facility, supported by more than 75% of assay results received to date. We are seeing multiple zones returning above-average grades, further reinforcing our confidence in the project's potential."

"The information gathered to date provides a strong foundation to advance toward a mineral resource estimate and initiate an economic evaluation. In parallel, we are actively progressing the design of a metallurgical testing program to assess recovery potential. Both the mineral resource estimate and results from the metallurgical program are expected to be released in the second half of this year. We look forward to reporting the remaining assay results in the coming weeks."

Hollinger Characterization Program

Located in southeast Timmins, Ontario, the Hollinger Tailings Project holds tailings from the historic Hollinger Mine, once the world's largest gold mine. Operating from 1910 to 1968, it produced 19 million ounces of gold at an average grade of 9.9 grams per tonne.1 The site contains an estimated 50-60 million tonnes of tailings. Recent amendments to Ontario's Mining Act2 have streamlined the permitting process for reprocessing historical tailings, aligning economic opportunity with environmental remediation. Given current gold prices and the potential for low capital intensity, STLLR believes Hollinger presents significant opportunity for value creation.

In February 2025, STLLR launched a comprehensive characterization program to assess the project's potential, establishing a path towards a mineral resource estimate, and information gathering for a recovery permit and remediation plan. The Company has completed 11,223 metres of sonic drilling across 423 holes, spaced on a 50 m grid pattern. Assay results from the 317 holes received to date continue to demonstrate consistent gold mineralization across the facility, with several areas returning grades above the overall average. The Company is currently advancing the design of a metallurgical testing program to evaluate recovery potential, with results and a potential mineral resource estimate targeted for release in the second half of 2025. Please review Figures 1 to 5 and Tables 1 to 3 for further context.

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Figure 1: Hollinger Characterization Program - Drill Location Map 

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Figure 2: Hollinger Characterization Program - Drill Location Map Zoomed In #1

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Figure 3: Hollinger Characterization Program - Drill Location Map Zoomed In #2

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Figure 4: Hollinger Characterization Program - Section "A-B" Looking North

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Figure 5: Hollinger Characterization Program - Section "C-D" Looking North

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Table 2: Hollinger Characterization Intercepts*

Hole IDFrom
 (m)
To 
(m)
Interval 
(m)
Grade
(g/t Au)
Metal
 Factor

g/t Au x m
Area
HTF25-0270.0023.8023.800.4410.50Phase 1
including4.556.501.950.571.11Phase 1
including12.3018.306.000.553.33Phase 1
HTF25-0320.0023.3523.350.327.44Phase 1
HTF25-0360.0023.6923.690.358.18Phase 1
HTF25-0440.0022.3022.300.337.37Phase 1
HTF25-0490.0023.3523.350.388.82Phase 1
HTF25-0540.0022.5522.550.245.52Phase 1
HTF25-0560.4323.6023.170.296.61Phase 1
HTF25-0580.0022.0022.000.286.25Phase 1
HTF25-0620.9522.2021.250.316.51Phase 1
HTF25-0642.5023.8521.350.326.88Phase 1
including2.504.552.050.531.08Phase 1
HTF25-0661.5021.3519.850.397.73Phase 1
including8.3513.705.350.502.70Phase 1
HTF25-0684.5522.8518.300.315.70Phase 1
HTF25-0700.3021.3521.050.347.24Phase 1
HTF25-0723.4522.8519.400.377.16Phase 1
including13.0015.252.250.591.32Phase 1
HTF25-0740.0020.7020.700.306.26Phase 1
HTF25-0750.6022.5021.900.337.17Phase 1
HTF25-0760.5020.7520.250.306.15Phase 1
HTF25-0772.1024.4022.300.316.96Phase 1
HTF25-0783.3024.4021.100.408.54Phase 1
including3.308.855.550.583.20Phase 1
HTF25-0791.4024.4023.000.378.61Phase 1
including1.403.051.650.540.89Phase 1
HTF25-0800.0021.3521.350.347.33Phase 1
HTF25-0810.0023.3523.350.419.52Phase 1
HTF25-0996.6326.1519.520.366.96Phase 1
HTF25-1008.5225.9017.380.315.37Phase 1
HTF25-1057.9825.9017.920.366.47Phase 1
including19.8021.351.550.681.05Phase 1
HTF25-1080.7517.4516.700.294.92Phase 1
including11.0020.309.300.514.74Phase 1
HTF25-1120.0025.0025.000.317.69Phase 2
including0.003.053.050.531.61Phase 2
HTF25-1200.0022.3022.300.255.62Phase 2
HTF25-1210.0022.4022.400.378.32Phase 1
including2.004.552.550.601.54Phase 1
HTF25-1220.0022.4522.450.224.89Phase 2
HTF25-1240.0027.4527.450.277.32Phase 2
HTF25-1260.0024.8524.850.307.44Phase 2
HTF25-1280.0025.9025.900.215.55Phase 2
HTF25-1300.0023.5523.550.194.49Phase 2
HTF25-1320.0027.4527.450.318.42Phase 2
HTF25-1340.0026.5026.500.266.86Phase 2
HTF25-1360.4525.6025.150.245.92Phase 2
including23.8525.601.750.500.88Phase 2
HTF25-1370.0022.5022.500.337.36Phase 2
HTF25-1380.0029.3029.300.318.95Phase 2
including23.0029.306.300.674.20Phase 2
HTF25-1390.0027.4527.450.256.86Phase 2
HTF25-1400.0027.0027.000.308.13Phase 2
including19.8027.007.200.634.52Phase 2
HTF25-1410.0024.8024.800.184.51Phase 2
HTF25-1420.0026.0026.000.297.61Phase 2
including19.8026.006.200.593.63Phase 2
HTF25-1430.0022.0022.000.204.30Phase 2
HTF25-1440.0023.0523.050.225.12Phase 2
HTF25-1450.0028.0028.000.277.45Phase 2
HTF25-1460.0025.5025.500.4812.35Phase 1
including9.0020.5011.500.606.93Phase 1
HTF25-1470.0026.4026.400.297.53Phase 2
HTF25-1480.0023.8523.850.378.78Phase 2
including14.5023.859.350.635.86Phase 2
HTF25-1490.0027.4527.450.256.97Phase 2
HTF25-1500.0022.8522.850.194.29Phase 2
HTF25-1510.0023.2523.250.235.31Phase 2
HTF25-1520.0023.4023.400.204.73Phase 2
HTF25-1530.0027.4527.450.349.22Phase 2
including21.3527.456.100.835.05Phase 2
HTF25-1540.0026.0026.000.246.15Phase 2
HTF25-1550.0026.0026.000.235.97Phase 2
including22.0023.701.700.761.28Phase 2
HTF25-1560.0024.4024.400.245.84Phase 2
HTF25-1570.4030.5030.100.298.60Phase 2
including19.0021.352.350.501.18Phase 2
HTF25-1580.0027.4527.450.4713.03Phase 2
including19.0027.458.450.978.23Phase 2
HTF25-1590.0022.6522.650.204.52Phase 2
HTF25-1600.0025.7025.700.266.77Phase 2
HTF25-1610.0023.0023.000.204.71Phase 2
HTF25-1620.0028.4028.400.287.89Phase 2
HTF25-1630.0024.4524.450.338.02Phase 2
including20.4524.454.000.973.86Phase 2
HTF25-1640.0026.2026.200.328.42Phase 2
HTF25-1650.0023.2023.200.296.68Phase 2
HTF25-1660.0025.0025.000.235.87Phase 2
HTF25-1670.0023.2023.200.235.23Phase 2
HTF25-1680.0024.7024.700.246.02Phase 2
HTF25-1690.0023.6023.600.399.31Phase 1
HTF25-1700.0026.9026.900.287.58Phase 2
HTF25-1710.0022.8522.850.399.00Phase 1
including15.0017.002.000.541.08Phase 1
HTF25-1720.0028.5028.500.298.18Phase 2
HTF25-1730.0023.5023.500.368.40Phase 1
HTF25-1740.0027.4527.450.298.06Phase 2
HTF25-1750.0023.3023.300.368.48Phase 1
HTF25-1760.0027.4527.450.308.16Phase 2
HTF25-1780.0023.2523.250.225.11Phase 2
HTF25-1790.0020.4020.400.336.69Phase 1
HTF25-1800.0021.0521.050.255.22Phase 2
including19.6021.051.450.630.91Phase 2
HTF25-1810.0024.4024.400.327.79Phase 2
HTF25-1820.0023.1023.100.276.23Phase 2
HTF25-1830.0025.9025.900.307.77Phase 2
HTF25-1840.0024.4024.400.307.33Phase 2
HTF25-1850.0024.0024.000.307.14Phase 2
HTF25-1870.0022.0522.050.275.85Phase 2
HTF25-1880.0024.2524.250.307.33Phase 2
HTF25-1890.0023.5023.500.266.08Phase 2
HTF25-1900.0023.5023.500.215.04Phase 2
HTF25-1920.0023.8523.850.276.55Phase 2
HTF25-1930.0024.8024.800.297.26Phase 2
HTF25-1940.0026.2026.200.328.44Phase 2
HTF25-1950.0025.3025.300.4511.46Phase 2
including7.009.152.150.651.40Phase 2
including11.0022.8511.850.637.52Phase 2
HTF25-1960.0028.1028.100.298.13Phase 2
HTF25-1970.0026.7026.700.318.22Phase 2
HTF25-1990.0025.1525.150.338.41Phase 2
HTF25-2000.0024.4024.400.276.69Phase 2
HTF25-2010.0023.3523.350.245.61Phase 2
HTF25-2020.0023.5023.500.225.07Phase 2
HTF25-2030.0025.0025.000.287.04Phase 2
HTF25-2040.0023.6023.600.296.79Phase 2
HTF25-2050.0022.3522.350.255.55Phase 2
HTF25-2060.0022.8522.850.214.78Phase 2
HTF25-2070.0025.5025.500.348.73Phase 2
HTF25-2080.0025.6025.600.307.65Phase 2
HTF25-2090.0023.4023.400.245.71Phase 2
HTF25-2110.4523.1022.650.204.48Phase 2
HTF25-2120.4022.5022.100.214.57Phase 2
HTF25-2130.0024.4024.400.225.44Phase 2
HTF25-2160.0023.5523.550.327.61Phase 2
HTF25-2170.0023.6023.600.307.01Phase 2
HTF25-2210.0022.8522.850.225.14Phase 2
HTF25-2230.0021.9021.900.235.12Phase 2
HTF25-2280.0023.3023.300.4310.12Phase 1
including3.406.102.700.501.36Phase 1
including11.0023.3012.300.536.55Phase 1
HTF25-2290.0023.7523.750.5412.76Phase 1
HTF25-2310.0025.9025.900.4511.68Phase 1
including9.1513.204.050.542.18Phase 1
including17.3022.855.550.603.33Phase 1
HTF25-2360.7022.0021.300.367.62Phase 1
HTF25-2370.0020.5520.550.499.99Phase 1
HTF25-2390.0023.6023.600.296.84Phase 2
HTF25-2400.0024.4024.400.286.88Phase 2
HTF25-2410.0022.5022.500.286.37Phase 2
HTF25-2420.0020.1520.150.428.52Phase 1
including15.2516.751.500.701.05Phase 1
HTF25-2430.0023.0023.000.276.14Phase 2
HTF25-2440.0022.0022.000.265.68Phase 2
HTF25-2540.5520.6520.100.407.94Phase 1
HTF25-2550.0020.2020.200.346.82Phase 2
HTF25-2661.0020.2519.250.244.59Phase 2
HTF25-2680.0024.4024.400.399.51Phase 2
including14.0017.003.000.581.73Phase 2
HTF25-2700.0023.3523.350.419.66Phase 2
including15.0017.002.000.561.12Phase 2
HTF25-2710.0022.2022.200.439.49Phase 2
including0.002.002.000.611.22Phase 2
including14.0019.005.000.522.60Phase 2
HTF25-2720.0025.0025.000.4410.92Phase 2
including0.002.002.000.571.15Phase 2
including18.0021.003.000.621.85Phase 2
HTF25-2730.0023.2523.250.399.06Phase 2
including13.7017.003.300.541.79Phase 2
HTF25-2760.0023.9023.900.307.17Phase 2
HTF25-2770.0023.5523.550.348.00Phase 2
HTF25-2780.0023.2023.200.286.57Phase 2
HTF25-2790.0025.9025.900.297.42Phase 2
HTF25-2810.0021.1021.100.306.34Phase 2
including0.003.053.050.581.76Phase 2
HTF25-2820.0025.9025.900.297.55Phase 2
including0.002.302.300.501.14Phase 2
HTF25-2830.4520.3019.850.326.32Phase 2
including0.453.503.050.591.79Phase 2
HTF25-2840.0023.2523.250.368.37Phase 2
HTF25-2850.0020.8020.800.306.14Phase 2
HTF25-2860.0023.4523.450.286.49Phase 2
HTF25-2870.0021.8021.800.265.66Phase 2
HTF25-2880.0020.5520.550.377.67Phase 2
including0.008.008.000.554.39Phase 2
HTF25-2890.0022.4022.400.276.02Phase 2
including1.203.051.850.691.28Phase 2
HTF25-2910.0020.5020.500.326.61Phase 2
HTF25-2920.0019.9519.950.357.07Phase 2
HTF25-2940.5020.9520.450.265.39Phase 2
HTF25-2950.0022.1022.100.255.50Phase 2
HTF25-2960.0022.4022.400.286.18Phase 2
including0.001.851.850.641.18Phase 2
HTF25-2980.0020.8020.800.316.39Phase 2
HTF25-2990.0020.2520.250.265.35Phase 2
HTF25-3010.0019.2019.200.275.22Phase 2
HTF25-3020.5021.6521.150.296.04Phase 2
including18.3019.801.500.600.90Phase 2
HTF25-3030.0019.3519.350.275.16Phase 2
HTF25-3040.0017.7017.700.203.54Phase 2
HTF25-3050.0021.6021.600.377.98Phase 2
HTF25-3060.5019.8019.300.366.88Phase 2
HTF25-3070.6519.8019.150.305.71Phase 2
HTF25-3090.0019.3019.300.234.44Phase 2
and21.3521.900.550.390.21Phase 2
HTF25-3100.5020.2519.750.265.13Phase 2
HTF25-3110.0022.5022.500.276.08Phase 2
HTF25-3120.0019.3019.300.336.34Phase 2
HTF25-3130.7523.5022.750.296.62Phase 2
HTF25-3140.0019.2519.250.265.05Phase 2
HTF25-3150.0022.0022.000.286.10Phase 2
HTF25-3160.0020.2020.200.418.19Phase 2
HTF25-3170.0022.1022.100.337.36Phase 2
HTF25-3180.8020.3019.500.316.01Phase 2
HTF25-3190.0017.4517.450.264.58Phase 2
HTF25-3200.6019.8019.200.254.76Phase 2
HTF25-3210.6018.0017.400.386.61Phase 2
including1.903.401.500.640.96Phase 2
HTF25-3220.0018.7518.750.295.39Phase 2
HTF25-3230.0017.4017.400.284.95Phase 2
HTF25-3240.3517.5517.200.284.87Phase 2
HTF25-3250.0016.2516.250.294.67Phase 2
HTF25-3260.0019.4519.450.387.46Phase 2
HTF25-3270.0018.1018.100.366.46Phase 2
HTF25-3280.0017.9017.900.315.52Phase 2
including0.002.002.000.561.13Phase 2
HTF25-3290.7017.4016.700.274.57Phase 2
HTF25-3300.6017.6017.000.244.08Phase 2
HTF25-3310.0018.7518.750.397.24Phase 2
including3.506.703.200.561.78Phase 2
HTF25-3320.0017.5517.550.335.85Phase 2
HTF25-3330.4517.3016.850.315.16Phase 2
HTF25-3340.0016.5016.500.304.88Phase 2
HTF25-3350.0019.8019.800.204.06Phase 2
HTF25-3360.0019.8019.800.224.37Phase 2
HTF25-3390.0015.6515.650.325.00Phase 2
HTF25-3400.0017.8517.850.325.74Phase 2
HTF25-3410.0022.0022.000.4510.00Phase 1
including18.0022.004.000.532.13Phase 1
HTF25-3420.0020.3020.300.438.69Phase 1
HTF25-3430.0021.3521.350.428.94Phase 1
including10.0012.202.200.551.21Phase 1
HTF25-3450.0023.4523.450.5212.23Phase 1
including0.002.002.000.661.33Phase 1
including14.9023.458.550.574.89Phase 1
HTF25-3460.5520.1019.550.346.61Phase 1
HTF25-3480.0020.2020.200.469.31Phase 1
including10.6517.006.350.563.58Phase 1
HTF25-3490.0017.4017.400.468.00Phase 1
including11.0016.755.750.563.24Phase 1
HTF25-3500.0017.5517.550.366.27Phase 2
HTF25-3530.0014.6014.600.294.18Phase 2
HTF25-3590.0013.7013.700.293.94Phase 2
HTF25-3660.0016.7516.750.477.87Phase 1
HTF25-3720.0012.6012.600.313.91Phase 2
HTF25-3730.0013.3013.300.304.05Phase 2
HTF25-3740.0011.8011.800.263.12Phase 2
HTF25-3750.356.105.750.201.15Phase 2
HTF25-3760.4012.2011.800.263.05Phase 2
HTF25-3790.0011.2011.200.384.25Phase 2
HTF25-3810.0011.7011.700.313.64Phase 2
HTF25-3840.0010.1010.100.272.72Phase 2
HTF25-3850.609.158.550.191.65Phase 2
HTF25-3870.009.609.600.242.29Phase 2
HTF25-3880.008.208.200.272.22Phase 2
HTF25-3890.009.159.150.312.86Phase 2
HTF25-3900.0010.1010.100.252.54Phase 2
HTF25-3910.0010.0010.000.302.99Phase 2
HTF25-3920.0020.4020.400.418.41Phase 1
including12.2018.005.800.533.07Phase 1
HTF25-3934.5523.7019.150.387.20Phase 1
HTF25-3953.3525.4022.050.326.98Phase 1
HTF25-3963.7022.8519.150.275.21Phase 1
HTF25-3970.000.700.708.505.95Phase 1
and2.7026.1023.400.389.01Phase 1
HTF25-4012.5525.5523.000.276.32Phase 1
HTF25-4030.0026.6026.600.3910.31Phase 1
HTF25-4047.0025.5518.550.336.10Phase 1
HTF25-4054.2026.7522.550.316.99Phase 1
KP25-010.0020.1520.150.5611.35Phase 1
including6.0018.7512.750.658.35Phase 1
KP25-020.0022.3022.300.378.25Phase 1
KP25-050.0015.6015.600.436.75Phase 2
including12.0014.502.500.511.28Phase 2
KP25-060.0015.9015.900.426.69Phase 2
KP25-070.0014.3014.300.253.62Phase 2
KP25-080.0018.3018.300.254.61Phase 2
KP25-090.0020.4020.400.408.23Phase 2
KP25-111.9012.1010.200.414.17Phase 1
KP25-130.0023.4023.400.368.51Phase 2
and25.9028.302.400.350.84Phase 2
KP25-140.0028.3528.350.339.31Phase 2
KP25-160.0028.0028.000.318.62Phase 2
KP25-170.0024.6024.600.409.78Phase 2
including0.003.003.000.511.54Phase 2
KP25-180.0025.2525.250.338.36Phase 2

 

*Note: Included intercepts are calculated using a 0.5 g/t Au cut-off and a maximum of 2 m internal dilutions

Table 3: Hollinger Characterization Hole Details

Hole IDEastingNorthingElevationAzimuthInclinationDepth
HTF25-027476258.5125366767.960319.090-9027.45
HTF25-032476308.935366816.06319.500-9030.50
HTF25-036476307.7065366717.168318.710-9030.50
HTF25-044476407.785366867.90319.990-9030.50
HTF25-049476457.7455366918.515320.350-9027.45
HTF25-054476507.865366718.18318.910-9044.20
HTF25-056476557.7845366668.364318.640-9030.50
HTF25-058476558.005366718.07318.880-9030.50
HTF25-062476607.5765366718.332319.000-9030.50
HTF25-064476710.905366720.49320.910-9030.50
HTF25-066476711.4585366672.366318.930-9027.45
HTF25-068476752.405366723.85321.750-9028.95
HTF25-070476760.0865366659.338318.450-9024.40
HTF25-072476809.925366769.03321.710-9022.85
HTF25-074476807.3765366717.973317.930-9024.40
HTF25-075476658.895366810.45319.960-9030.50
HTF25-076476810.5405366667.337318.150-9024.40
HTF25-077476658.675366768.20320.330-9030.50
HTF25-078476700.0835366766.078322.200-9027.45
HTF25-079476658.205366718.41319.890-9030.50
HTF25-080476854.8695366664.873317.610-9021.35
HTF25-081476654.925366670.01320.680-9030.50
HTF25-099476756.4295366824.628326.200-9030.50
HTF25-100476959.895366922.92326.920-9028.95
HTF25-105476807.4635366919.326327.190-9030.50
HTF25-108476907.675366767.77317.660-9024.40
HTF25-112475809.5135366817.789319.240-9030.50
HTF25-120475856.545366820.21319.010-9030.50
HTF25-121476157.3535367168.979320.820-9022.85
HTF25-122475907.535366817.30318.240-9024.40
HTF25-124475805.4355366715.896319.430-9030.50
HTF25-126475854.775366718.69319.050-9030.50
HTF25-128475909.1405366713.596318.600-9030.50
HTF25-130475956.915366718.90318.140-9030.50
HTF25-132475857.8555366618.189319.140-9030.50
HTF25-134475909.515366615.15318.710-9030.50
HTF25-136475956.7575366614.357318.360-9030.50
HTF25-137475807.065366766.84319.150-9027.45
HTF25-138476007.5925366620.868318.040-9030.50
HTF25-139475855.545366767.35318.880-9030.50
HTF25-140476058.5625366619.528317.700-9030.50
HTF25-141475907.715366768.40318.290-9030.50
HTF25-142476057.4245366569.204318.000-9030.50
HTF25-143475958.745366769.97318.100-9030.50
HTF25-144476106.9195366567.855317.680-9024.40
HTF25-145475813.565366665.40319.400-9030.50
HTF25-146476160.8985366567.050318.780-9027.45
HTF25-147475855.125366667.01319.070-9032.00
HTF25-148476106.2945366516.043317.920-9030.50
HTF25-149475910.045366669.37318.590-9030.50
HTF25-150476157.7625366462.981317.900-9024.40
HTF25-151475961.385366667.91318.370-9030.50
HTF25-152476013.3905366566.977318.180-9032.00
HTF25-153476008.165366667.03317.920-9033.55
HTF25-154475959.3455366565.516318.680-9030.50
HTF25-155476009.215366716.35317.770-9030.50
HTF25-156476008.3085366516.847318.550-9036.60
HTF25-157476009.315366767.59317.670-9030.50
HTF25-158476056.1575366517.984318.290-9030.50
HTF25-159476002.305366819.41317.650-9030.50
HTF25-160476058.5465366468.707318.500-9030.50
HTF25-161475957.745366817.82318.010-9030.50
HTF25-162476004.9125366468.005318.970-9033.50
HTF25-163476056.855366870.71317.840-9030.50
HTF25-164475908.3035366567.318319.030-9030.50
HTF25-165476109.125366819.66318.110-9030.50
HTF25-166476107.5765366465.731318.110-9027.45
HTF25-167476157.905366768.13318.280-9027.45
HTF25-168476107.4025366420.043318.620-9027.45
HTF25-169476208.735366665.59318.470-9028.95
HTF25-170476111.0575366371.481318.950-9027.45
HTF25-171476258.765366671.31318.150-9030.50
HTF25-172476009.5345366417.962319.350-9036.60
HTF25-173476307.645366670.45318.230-9030.50
HTF25-174476064.7315366371.692319.190-9036.60
HTF25-175476357.315366667.56318.220-9030.50
HTF25-176476112.5345366325.480319.420-9033.50
HTF25-178476205.705366406.44317.960-9025.90
HTF25-179476858.1665366718.136317.450-9024.40
HTF25-180476158.125366417.58318.240-9030.50
HTF25-181476213.5295366224.184319.550-9030.50
HTF25-182476158.125366368.76318.490-9027.45
HTF25-183476165.4675366275.413319.400-9030.50
HTF25-184476158.355366313.12319.070-9032.00
HTF25-185476208.4385366266.608319.110-9027.45
HTF25-187476207.255366363.27318.110-9024.10
HTF25-188476260.2365366219.339319.310-9030.50
HTF25-189476262.295366270.33318.520-9027.45
HTF25-190476258.1875366319.688318.140-9024.40
HTF25-192476304.215366272.23318.310-9030.50
HTF25-193476308.7515366220.778318.900-9027.45
HTF25-194476309.435366170.50319.540-9027.45
HTF25-195476159.5295366514.173317.560-9027.45
HTF25-196475954.305366515.40318.970-9028.90
HTF25-197476055.4345366416.687318.980-9030.50
HTF25-199476365.615366166.18319.040-9027.45
HTF25-200476363.0885366216.232318.540-9027.45
HTF25-201476360.855366266.52318.110-9030.50
HTF25-202476357.3825366318.266317.740-9032.00
HTF25-203476409.285366167.32318.970-9027.45
HTF25-204476405.2545366219.183318.320-9030.50
HTF25-205476406.095366264.54318.130-9024.40
HTF25-206476408.4305366316.702317.910-9024.40
HTF25-207476454.865366118.16319.470-9028.95
HTF25-208476459.2685366166.612319.000-9030.50
HTF25-209476454.555366219.60318.410-9027.45
HTF25-211476456.4215366316.861318.050-9025.90
HTF25-212476458.255366365.79317.820-9027.45
HTF25-213476455.4725366415.403317.750-9025.50
HTF25-216476514.205366118.58319.490-9027.45
HTF25-217476512.9745366173.979319.190-9028.95
HTF25-221476503.195366368.27318.270-9025.90
HTF25-223476507.6865366467.818318.270-9027.45
HTF25-228476260.665366535.21318.430-9027.45
HTF25-229476205.6195366541.408318.370-9027.45
HTF25-231476502.455366568.46317.800-9027.45
HTF25-236476714.4945366607.443318.420-9024.40
HTF25-237476607.955366523.26319.070-9021.35
HTF25-239476568.5105366410.744318.760-9025.90
HTF25-240476564.335366369.14318.630-9027.45
HTF25-241476558.7125366318.213318.430-9027.45
HTF25-242476759.275366613.02318.060-9021.35
HTF25-243476566.7165366268.443318.610-9027.45
HTF25-244476566.055366216.76318.970-9027.45
HTF25-254476807.0705366571.688318.050-9021.35
HTF25-255476966.505366173.54319.320-9024.40
HTF25-266476808.9585366471.725318.260-9024.40
HTF25-268476659.135366116.68320.080-9027.45
HTF25-270476659.4845366218.776319.710-9027.45
HTF25-271476656.055366269.07319.500-9025.90
HTF25-272476658.6405366316.655319.720-9027.45
HTF25-273476658.555366372.02319.620-9027.45
HTF25-276476702.3965366116.552320.100-9027.20
HTF25-277476704.525366164.43319.940-9025.90
HTF25-278476707.7695366218.256319.580-9024.40
HTF25-279476708.105366268.07319.460-9025.90
HTF25-281476713.1665366367.349319.310-9025.90
HTF25-282476709.615366419.06319.270-9027.45
HTF25-283476706.9195366470.259319.040-9024.40
HTF25-284476759.655366116.32319.700-9027.45
HTF25-285476763.2635366167.908319.400-9027.45
HTF25-286476762.105366215.74319.200-9025.90
HTF25-287476761.7925366269.113319.090-9025.90
HTF25-288476760.935366319.89319.080-9027.45
HTF25-289476761.5845366369.606319.120-9027.45
HTF25-291476807.725366119.04319.790-9025.90
HTF25-292476808.2915366168.109319.170-9024.40
HTF25-294476812.295366268.62318.700-9025.90
HTF25-295476808.1665366367.802318.630-9024.40
HTF25-296476805.545366415.91318.500-9024.40
HTF25-298476859.4515366171.162318.990-9024.40
HTF25-299476853.275366218.35318.850-9024.40
HTF25-301476854.1495366317.139318.310-9024.40
HTF25-302476853.645366363.39318.150-9024.40
HTF25-303476853.8315366423.957318.000-9024.40
HTF25-304476856.745366469.78317.700-9021.35
HTF25-305476906.3155366124.074319.890-9024.40
HTF25-306476907.075366165.79319.190-9024.40
HTF25-307476908.4945366221.126318.600-9024.40
HTF25-309476904.605366315.87317.870-9024.40
HTF25-310476906.1285366367.484317.400-9021.35
HTF25-311476957.185366126.61320.260-9027.45
HTF25-312476956.6955366217.073318.710-9024.40
HTF25-313476957.745366267.11318.360-9024.40
HTF25-314476956.7825366319.220317.920-9024.40
HTF25-315476955.395366362.93317.300-9024.40
HTF25-316477008.8205366130.341320.260-9044.25
HTF25-317477006.475366166.32319.370-9024.40
HTF25-318477007.6195366218.772318.830-9024.40
HTF25-319477008.315366268.13318.450-9018.30
HTF25-320476999.3245366312.441318.100-9024.40
HTF25-321477059.015366170.26319.540-9024.40
HTF25-322477063.1805366223.642318.870-9024.40
HTF25-323477062.895366270.85318.660-9018.30
HTF25-324477064.8485366318.510318.130-9021.35
HTF25-325477072.775366369.40317.460-9021.35
HTF25-326477105.9595366164.980319.610-9024.40
HTF25-327477100.645366216.85319.050-9022.85
HTF25-328477108.8125366265.558318.700-9021.35
HTF25-329477110.085366318.58318.240-9021.35
HTF25-330477107.9955366365.331317.770-9021.35
HTF25-331477157.095366165.97319.640-9021.35
HTF25-332477157.5535366213.137319.120-9021.35
HTF25-333477161.115366265.04318.720-9038.10
HTF25-334477155.5035366318.931318.250-9021.35
HTF25-335477162.285366364.41317.730-9021.35
HTF25-336477158.5975366416.022316.780-9021.35
HTF25-339477211.205366263.17318.560-9018.30
HTF25-340477209.6595366320.023318.080-9018.30
HTF25-341476660.975366568.82319.270-9024.40
HTF25-342476708.9915366567.726318.720-9027.45
HTF25-343476609.225366564.44318.660-9025.90
HTF25-345476660.0145366623.313319.980-9024.40
HTF25-346476809.065366614.21317.750-9021.35
HTF25-348476857.5315366567.473317.410-9021.35
HTF25-349476907.105366561.72316.830-9021.35
HTF25-350477259.1225366173.693319.400-9039.65
HTF25-353477254.015366312.74317.920-9018.30
HTF25-359477307.0665366316.878318.100-9013.70
HTF25-366477159.385366523.03318.560-9021.35
HTF25-372477355.8075366216.765319.200-9015.25
HTF25-373477354.945366263.54318.720-9015.25
HTF25-374477354.9335366321.739318.320-9012.20
HTF25-375477359.755366366.95318.130-907.60
HTF25-376477353.4685366416.265317.800-9015.25
HTF25-379477413.575366169.67319.850-9015.25
HTF25-381477415.3325366267.064319.190-9012.20
HTF25-384477399.455366421.41320.160-9010.65
HTF25-385477410.7595366469.671318.450-9012.20
HTF25-387477461.855366268.74318.970-9012.20
HTF25-388477464.1935366315.691318.860-9012.20
HTF25-389477457.325366369.67319.840-9015.25
HTF25-390477454.8255366417.365319.600-9012.20
HTF25-391477460.325366465.29319.730-9012.20
HTF25-392476608.8235366983.400319.010-9027.45
HTF25-393476605.105366917.93323.330-9030.50
HTF25-395476603.5855366821.189322.930-9030.50
HTF25-396476603.125366769.84322.680-9030.50
HTF25-397476561.1395366971.863322.210-9030.50
HTF25-401476562.585366762.18322.720-9030.50
HTF25-403476509.0965366913.426322.210-9027.45
HTF25-404476520.975366865.57322.790-9028.95
HTF25-405476509.6375366805.272322.530-9030.50
KP25-01476757.005366565.74318.340-9042.65
KP25-02476383.9285366678.936317.870-9048.75
KP25-05477362.225366152.96320.320-9048.75
KP25-06477362.5855366159.329320.100-9062.50
KP25-07477209.775366366.85317.640-9039.60
KP25-08476809.4655366315.830318.570-9033.55
KP25-09477016.225366128.57320.300-9045.75
KP25-11477018.1945367064.598322.910-9018.30
KP25-13475780.095366794.38319.230-9050.30
KP25-14475759.3955366796.716319.770-9051.80
KP25-16475879.195366552.27319.120-9028.95
KP25-17476467.0005366072.000321.000-9057.95
KP25-18476469.005366082.00321.000-9025.90

 

Quality Control Procedures
Tailings core is collected by four-inch diameter continuous sonic coring. Tailings samples are cut, with half sent to ALS Laboratories Inc. (ALS) for drying to a maximum temperature of 60-degree Celsius. The samples are then sieved through a -180 µm screen (Tyler 80 mesh) to a 1.00 kg split of homogenize minus fraction material. A 50 g charge is Fire Assayed and analyzed using an AAS finish for Gold. Samples above 10.00 g/t Au are analyzed by Fire Assay with a gravimetric finish. ALS is an ISO 17025 accredited laboratory. STLLR inserts independent certified reference material and blanks with the samples and assays routine pulp repeats, as well as completing routine third-party check assays at Bureau Veritas Commodities Canada Ltd.

Qualified Person
John McBride, MSc., P.Geo., Vice President of Exploration for STLLR, who is the "Qualified Person" as defined by NI 43-101 for this project, has reviewed and approved of the technical disclosure contained in this news release.

About STLLR Gold
STLLR Gold Inc. (TSX: STLR) (OTCQX: STLRF) (FSE: O9D) is a Canadian gold development company actively advancing high-potential gold projects in Canada: The Tower Gold Project and the Hollinger Tailings Project in the Timmins Mining Camp in Ontario and the Colomac Gold Project located north of Yellowknife, Northwest Territories. Tower and Colomac have the potential to become large-scale, long-life operations and are surrounded by exploration land with favourable upside potential. Hollinger has the potential for near-term value creation. STLLR's experienced management team, with a track record of successfully advancing projects and operating mines, is working towards rapidly advancing these projects.

Contact Us
STLLR Gold Investor Relations
+1 (416) 863-2105 | investors@stllrgold.com | www.STLLRgold.com

Cautionary Statement Regarding Forward-Looking Information
This news release contains "forward-looking information" within the meaning of applicable Canadian securities legislation. Forward-looking information includes, but is not limited to the potential advancement of Hollinger to a mineral resource estimate and economic studies, the timing of the remaining results from Hollinger, the continuing characteristics of the grade and mineralization profile of Hollinger, the amenability of Hollinger mineralization to mining and milling, and the upside potential of Hollinger. Generally, forward-looking information can be identified by the use of forward-looking terminology such as "accelerate", "add" or "additional", "advancing", "anticipates" or "does not anticipate", "appears", "believes", "can be", "conceptual", "confidence", "continue", "convert" or "conversion", "deliver", "demonstrating", "estimates", "encouraging", "expand" or "expanding" or "expansion", "expect" or "expectations", "fast-track", "forecasts", "forward", "goal", "improves", "increase", "intends", "justification", "leading", "plans", "potential" or "potentially", "pro-forma", "promise", "prospective", "prioritize", "reflects", "re-rating", "robust", "scheduled", "stronger", "suggesting" or "suggests", "support", "updating", "upside", "will be" or "will consider", "work towards", or variations of such words and phrases or state that certain actions, events or results "may", "could", "would", "might", or "will be taken", "occur", or "be achieved".

Forward-looking information is based on the opinions and estimates of management at the date the information is made, and is based on a number of assumptions and is subject to known and unknown risks, uncertainties and other factors that may cause the actual results, level of activity, performance or achievements of STLLR to be materially different from those expressed or implied by such forward-looking information, including risks associated with required regulatory approvals, the exploration, development and mining such as economic factors as they effect exploration, future commodity prices, changes in foreign exchange and interest rates, actual results of current exploration activities, government regulation, political or economic developments, the ongoing wars and their effect on supply chains, environmental risks, pandemic risks, permitting timelines, capex, operating or technical difficulties in connection with development activities, employee relations, the speculative nature of gold exploration and development, including the risks of diminishing quantities of grades of reserves, contests over title to properties, and changes in project parameters as plans continue to be refined as well as those risk factors discussed in the Company's Annual Information Form for the year ended December 31, 2024, available on www.sedarplus.ca. Although STLLR has attempted to identify important factors that could cause actual results to differ materially from those contained in forward-looking information, there may be other factors that cause results not to be as anticipated, estimated or intended. There can be no assurance that such information will prove to be accurate, as actual results and future events could differ materially from those anticipated in such information. Accordingly, readers should not place undue reliance on forward-looking information. STLLR does not undertake to update any forward-looking information, except in accordance with applicable securities laws.


1 Hollinger Historical Production Statistics, Geology Ontario database: https://www.geologyontario.mines.gov.on.ca/persistent-linking?mineral-inventory=MDI42A06NW00007

2 Ontario's new "Mining Act for Recovery of Minerals" regulation to be in effect July 1, 2025. For more details: https://news.ontario.ca/en/release/1005407/ontario-supporting-recovery-of-residual-metals-and-minerals

To view the source version of this press release, please visit https://www.newsfilecorp.com/release/255648

FAQ

What are the latest gold grades reported from STLLR Gold's Hollinger Tailings Project?

Recent highlights include 0.56 g/t Au over 20.15m, 0.54 g/t Au over 23.75m, and 0.47 g/t Au over 27.45m, showing consistent mineralization across the facility.

How much gold did the historic Hollinger Mine produce?

The historic Hollinger Mine produced 19 million ounces of gold at an average grade of 9.9 grams per tonne during its operation from 1910 to 1968.

What is the estimated size of STLLR's Hollinger Tailings Project?

The Hollinger Tailings site contains an estimated 50-60 million tonnes of tailings material.

When will STLLR Gold (STLRF) release its mineral resource estimate for Hollinger?

STLLR expects to release both the mineral resource estimate and metallurgical testing results in the second half of 2025.

How many drill holes has STLLR completed at the Hollinger Tailings Project?

STLLR has completed 423 sonic drill holes totaling 11,223 meters, with results from 317 holes received to date.
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