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SCD.V ·

Scandium Canada Drills Best Intercept Yet of 2026 Crater Lake Program: 140.15 m at 293 ppm Sc₂O₃, With Three Intersections Now Over 100 m

Drill Results

September 23, 2026

Scandium Canada Drills Best Intercept Yet of 2026 Crater Lake

Program: 140.15 m at 293 ppm Sc₂O₃, With Three Intersections Now

Over 100 m

HIGHLIGHTS

• Hole CLB26076 intersected 140 metres of scandium mineralization at 293 ppm Sc₂O₃, the

longest intercept of the 2026 program, including a 30-metre high-grade section at 512 ppm;

• Three holes have now returned more than 100 metres of continuous mineralization each:

CLB26076 (140 m), CLB26072 (125 m, reported in August) and CLB26080 (102 m);

• All 12 holes reported to date hit scandium mineralization, at grades in line with the current

resource estimate. The deposit is delivering what the model predicted;

• A total of 15 holes have been drilled to date confirming the presence of favourable scandium

bearing lithologies at the North and South lateral extensions of the TG deposit potentially

extending the mineralized zones by 245 metres;

• A total of 5 exploration holes have confirmed mineralization to the North and South of the

TG deposit;

• Two exploration drill holes in Discovery Area intercepted two narrow pyroxene-rich

ferrosyenites (PXFESYN) of up to 1 m thick at depth. Assay results are pending;

• Drilling campaign expected to be completed by October 13 and final drill core samples to be

sent to the labs by mid-October, 2026.

QUEBEC CITY, QUÉBEC – Scandium Canada Ltd. (TSX-V: SCD) (the “Company”) is

pleased to announce additional assay results from the 2026 diamond drilling program at its

Crater Lake scandium project in Nunavik, Québec.

The Company has received the assay results from an additional 9 holes collared to extract a

bulk sample from the TG deposit. Every hole drilled for that purpose and reported to date

intersected the targeted lithologies and mineralization, namely scandium-bearing olivine-rich or

pyroxene-rich ferrosyenites, at grades consistent with those of the mineral resource estimate

(MRE 2025) of the TG deposit.

As of September 22nd, a total of 40 holes totaling 7,701 m have been drilled and an additional 7

holes are expected before the 2026 campaign is completed. All drill holes location are shown in

Figure 1.

Quote from the President and CEO

“We are very glad with the pace and results of the 2026 drilling campaign. All of our objectives

have been met, i.e., collecting a mine representative bulk sample of about 15 to 16 tons to support

metallurgical testwork leading to a feasibility study, confirming the lateral extensions of the TG

deposit to the North and South for a minimum of 240 m to date and identifying additional

exploration targets on the property,” said Simon Thibault, President and Chief Executive

Officer, Scandium Canada.

DRILLING RESULTS

The assay results reported come from 9 bulk sample drill holes located along the TG deposit, as

delineated in the mineral resource estimate (MRE 2025) dated May 2, 2025. See Figure 1.

Figure 1: Location map of the 2026 Crater Lake drill holes on the 2026 MAG base.

Table 1: 2026 drillhole intersections and assay results

Hole Number Zone From (m) To (m)

Downhole

drill core

length (m) *

see note

Sc₂O₃

(ppm)

CLB-26-071 1 21.15 29.1 7.95 205.39

CLB-26-071 2 63.65 112 48.35 299.16

CLB-26-071 3 130.4 195 64.6 213.51

CLB-26-074 1 8.05 21.8 13.75 200.76

CLB-26-074 2 60 78.9 18.9 160.63

CLB-26-075 1 8.05 24.7 16.65 206.31

CLB-26-075 2 96.8 102.2 5.4 177.73

CLB-26-075 3 122 193.4 71.4 195.62

CLB-26-076 1 12.1 16.05 3.95 186.07

CLB-26-076 2 57.1 72 14.9 236.57

CLB-26-076 3 82.8 222.95 140.15 293.32

CLB-26-076 Including 87.5 88.45 0.95 1,033.85

CLB-26-076 Including 95.3 125.1 29.8 511.63

CLB-26-077 1 12.45 15.2 2.75 187.47

CLB-26-077 2 48.4 54.1 5.7 185.95

CLB-26-077 3 64.25 148.3 84.05 191.43

CLB-26-077 4 226.5 228 1.5 848.25

CLB-26-078 1 25.7 39 13.3 195.62

CLB-26-078 2 88 100.3 12.3 169.25

CLB-26-078 3 116.4 126.2 9.8 183.77

CLB-26-078 4 154.8 162.25 7.45 261.47

CLB-26-078 5 176.55 216.6 40.05 294.13

CLB-26-078 Including 192 216.6 24.6 356.07

CLB-26-079 1 17 31 14 252.7

CLB-26-079 2 82.1 113.65 31.55 293.81

CLB-26-079 3 163 218.6 55.6 178.98

CLB-26-080 1 39.6 54.5 14.9 195.64

CLB-26-080 2 62.2 164.25 102.05 229.68

CLB-26-081 1 25.85 78.65 52.8 262.91

CLB-26-081 2 151.2 198 56.8 225.46

Note: Downhole drill core length represents a reported down hole drill significant intercept and

not a calculated true thickness interval of a mineralized zone. The True thickness of the zones

remains to be determined

Fig. 2: Vertical Long section looking NW

Figure 2.a : Section L100N

Figure 2.b : Section L250N

Figure 2.c : Section L300N