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STLLR Gold Intersects 2.81 g/t Au over 18.50 m (Including 71.80 g/t Au over 0.50 m) at the Colomac Main Deposit

Drill Results

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STLLR Gold Intersects 2.81 g/t Au over 18.50 m (Including 71.80 g/t Au over

0.50 m) at the Colomac Main Deposit

TORONTO, ONTARIO, September 16, 2024 – STLLR Gold Inc. (TSX: STLR) (OTCQX: STLRF) (FSE: O9D) (“STLLR”

or the “Company”) announces the final batch of assay results from the exploration drilling at the Colomac

Gold Project (the “Project”) in the Northwest Territories, Canada.

Table 1: 2024 Exploration Drilling Highlights – Colomac Main Deposit (See Figures 1-5):

Zone Hole ID Assay Result

Colomac Main 2.5 C24-14 2.81 g/t Au over 18.50 m (incl. 71.80 g/t Au over 0.50 m) &

1.33 g/t Au over 34.00 m (incl. 4.46 g/t Au over 3.55 m) &

0.74 g/t Au over 20.00 m (incl. 12.20 g/t Au over 0.50 m)

Colomac Main 3.0 C24-12 0.85 g/t Au over 37.00 m (incl. 1.03 g/t Au over 24.45 m)

“g/t Au”: grams per tonne gold; “m”: metres

Keyvan Salehi, P.Eng., MBA, President, CEO, and Director of STLLR stated: “Our 2024 drilling campaign at

Colomac concluded successfully, revealing mineralized zones beyond the known mineralization and below the

2023 Colomac PEA pit shell 1. The results suggest the potential to expand the Project ’s estimated mineral

resources. With exploration drilling at both Colomac and the Tower Gold Project in Timmins now complete,

we are focused on finalizing the updated Mineral Resource Estimate for the Tower Gold Project.”

Colomac Gold Project Drilling – Colomac Main Deposit (See Figures 1-5)

The Colomac Main Deposit, the primary deposit of the Colomac Gold Project, occurs in a north -south striking

differentiated mafic sill, approximately 9 km long and up to 155 m wide, bounded by mafic volcanic rocks.

Mineralization predominantly consists of free gold, associated with quartz -carbonate veining and minor

sulphides. The Colomac Main Deposit is divided into six mineralized zones along its strike.

The 2024 drilling campaign focused on the southern end of Colomac Main (Zones 2.5, 3.0, and 3.5) in areas

with limited data and potential for higher-grade gold mineralization. The latest drilling targeted Zones 2.5 and

3.0 below the 2023 Colomac PEA pit shell1. Significant mineralization was intersected near deep, cross-cutting

1 For more information on the Colomac Gold Project Preliminary Economic Assessment (“2023 Colomac PEA”), please refer to the NI 43-101 technical

report titled “Colomac Gold Project NI 43 -101 Technical Report and Preliminary Economic Assessment, Northwest Territories, Canada” dated June

9, 2023 which is available on SEDAR+ www.sedarplus.ca the Company’s website (www.stllrgold.com).

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geological fault structures. Holes C24 -14 and C24 -12 encountered intervals of mineralized quartz -diorite, the

primary host rock for gold in the deposit, below the known mineralization.

Figure 1: Colomac Gold Project – Regional Map

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Figure 2: Colomac Main Deposit – Drill Location Map

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Figure 3: Colomac Main Deposit – Longitudinal Section Looking West

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Figure 4: Colomac Main Deposit – Cross Section “C-D” Looking North

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Figure 5: Colomac Main Deposit – Cross Section “A-B” Section Looking North

Table 2: Exploration Drilling Intercepts

Target Hole ID From

(m)

To

(m)

Interval

(m)

Grade

(g/t Au)

Metal

Factor

(g/t Au x

m)

Colomac Main 2.0 C24-11 299.30 300.00 0.70 2.68 1.88

Colomac Main 2.0 and 340.50 342.00 1.50 1.70 2.55

Colomac Main 3.0 C24-12 300.50 305.50 5.00 1.01 5.05

Colomac Main 3.0 and 320.00 357.00 37.00 0.85 31.45

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Target Hole ID From

(m)

To

(m)

Interval

(m)

Grade

(g/t Au)

Metal

Factor

(g/t Au x

m)

Colomac Main 3.0 including 327.50 351.95 24.45 1.03 25.18

Colomac Main 2.5 C24-13 437.00 438.50 1.50 1.19 1.79

Colomac Main 2.5 and 453.75 471.30 17.55 0.33 5.79

Colomac Main 2.5 and 491.50 495.00 3.50 2.69 9.42

Colomac Main 2.5 C24-14 480.50 499.00 18.50 2.81 51.99

Colomac Main 2.5 including 498.50 499.00 0.50 71.80 35.90

Colomac Main 2.5 and 545.75 552.35 6.60 0.60 3.96

Colomac Main 2.5 including 545.75 546.50 0.75 3.16 2.37

Colomac Main 2.5 and 562.75 568.00 5.25 0.55 2.89

Colomac Main 2.5 and 594.50 602.00 7.50 0.83 6.23

Colomac Main 2.5 and 612.50 646.50 34.00 1.33 45.22

Colomac Main 2.5 including 614.70 618.25 3.55 4.46 15.83

Colomac Main 2.5 and 659.25 679.25 20.00 0.74 14.80

Colomac Main 2.5 and 697.50 698.00 0.50 12.20 6.10

Colomac Main 2.5 C24-15 163.50 164.00 0.50 19.00 9.50

Colomac Main 2.5 and 332.15 332.65 0.50 15.75 7.88

Colomac Main 2.5 and 495.00 496.00 1.00 2.32 2.32

Colomac Main 2.5 and 518.00 518.50 0.50 4.15 2.08

Colomac Main 2.5 and 528.75 545.00 16.25 0.55 8.94

Colomac Main 2.5 and 558.80 562.50 3.70 0.57 2.11

Colomac Main 2.5 and 602.90 604.40 1.50 1.63 2.45

Colomac Main 2.5 and 623.80 627.40 3.60 0.87 3.13

Colomac Main 2.5 and 639.15 641.00 1.85 1.05 1.94

Colomac Main 2.5 and 654.55 656.00 1.45 1.81 2.62

Colomac Main 2.5 and 680.25 689.75 9.50 1.05 9.98

Colomac Main 2.5 and 746.75 747.50 0.75 2.18 1.64

Note: All intercepts are calculated using a 0.30 g/t Au cut-off, a maximum of 5m internal dilution and no top cap applied. Drill intercepts are not true widths.

Table 3: Exploration Drill Hole Details

Zone Hole ID Easting Northing Elevation Azimuth Inclination

End of

Hole

Depth

(m)

Colomac 2.0 C24-11 592203.00 7142486.99 343.46 265.00 -78.00 477.00

Colomac 3.0 C24-12 591692.01 7141552.02 362.74 115.00 -64.00 399.00