ADELITA PROJECT

Historic Drill Highlights

A comprehensive summary of drill highlights from the Cerro Grande skarn target.

ADELITA PROJECT

Historic Drill Highlights

A comprehensive summary of drill highlights from the Cerro Grande skarn target.

ADELITA PROJECT

Historic Drill Highlights

A comprehensive summary of drill highlights from the Cerro Grande skarn target.

ADELITA PROJECT

Historic Drill Highlights

A comprehensive summary of drill highlights from the Cerro Grande skarn target.

Cerro Grande Cross Section

HOLE ID

FROM (M)

TO (M)

INTERVAL (M) /
ESTIMATED TRUE WIDTH (M)

COPPER %

GOLD G/T

SILVER G/T

CGDD-10-001

35.65

51.80

16.15 (14.5)

1.97

0.0835

78

includes

35.65

40.98

5.33 (4.8)

2.38

1.123

94.4

CGDD-10-002

35.57

83.21

47.64 (36.9)

1.05

0.462

46

includes

35.57

47.40

11.83 (9.5)

1.37

0.302

18.4

and

63.40

69.71

6.31 (5.3)

3.6

2.25

221

CGDD-10-004

184.79

195.99

11.20

1.11

0.587

39.9

includes

184.79

186.84

2.05

1.30

1.04

32.8

and

189.89

182.77

2.88

2.44

1.285

97

CGDD-10-004

288.22

293.54

5.32

0.29

0.098

7.9

CGDD-12-009

5.60

110.80

105.20 (hole drilled
parallel to mineralized zone)

1.03

0.446

36.4

includes

35.10

110.80

75.70

1.42

0.62

50.1

includes

35.10

77.00

41.90

2.21

0.977

77.9

CGDD-12-010

97.60

131.25

33.65

0.91

0.346

46.6

includes

98.60

119.95

21.35 (20.1)

1.41

0.535

72.4

CGDD-12-011

159.20

264.50

105.20

0.25

0.073

7.4

includes

159.90

163.30

4.10

0.83

0.067

22.2

and

175.60

194.10

18.50

0.52

0.152

20.8

and

240.95

261.40

20.45

0.42

0.157

6.7

CGDD-12-012

37.70

223.65

185.95 (Hole drilled
subparralel to mineralized zone)

0.56

0.157

13.5

includes

37.70

48.00

10.30

0.49

0.171

1.1

and

154.40

223.65

69.25

1.29

0.358

32.9

and

189.65

190.35

0.70

8.13

3.09

398

CGDD-12-013

32.95

40.15

7.20

0.79

0.417

26.4


49.25

50.95

1.70

0.94

0.229

10.7


53.90

55.65

1.75

1.3

0.836

71.2

CGDD-12-014

25.80

29.15

3.35

0.18

0.021

3.5


36.10

43.00

6.90

0.18

0.028

2.9

CGDD-12-015

5.35

10.20

4.85

0.32

0.157

13.8


28.25

32.40

4.15

0.18

0.1

4.4


42.70

60.75

18.05

0.99

0.572

44.4

Open at Depth and Laterally

Testing the immediate Cerro Grande Skarn extensions with the aim to identify and grow the existing discovery.

*43-101 Disclaimer References

The scientific and technical information contained in this website has been reviewed and approved by Mr. Lorne Warner, P. Geo., an independent Qualified Person for Algo Grande Copper Corp. as defined in NI 43-101.

Mr. Warner has examined information regarding the historical exploration at the Adelita copper project, which includes his review of the historical sampling, analytical and procedures and two site visits to verify drill collar locations and personally collect rock samples for analysis. Mr. Warner also completed a technical report on the Adelita Project prepared in accordance with NI 43-101 dated effective August 15, 2025, which is available under the Company’s profile at www.sedarplus.ca.

Management notes that historical results were collected and reported by operators unrelated to the Company but have been verified by its Qualified Person; as a result, the historical results create a scientific basis for ongoing work on the Adelita property. Management cautions that historical results, discoveries and any published resource estimates on adjacent or nearby mineral properties, whether in stated current resource estimates or historical resource estimates, are not necessarily indicative of the results that may be achieved on the Adelita property.

*43-101 Disclaimer References

The scientific and technical information contained in this website has been reviewed and approved by Mr. Lorne Warner, P. Geo., an independent Qualified Person for Algo Grande Copper Corp. as defined in NI 43-101.

Mr. Warner has examined information regarding the historical exploration at the Adelita copper project, which includes his review of the historical sampling, analytical and procedures and two site visits to verify drill collar locations and personally collect rock samples for analysis. Mr. Warner also completed a technical report on the Adelita Project prepared in accordance with NI 43-101 dated effective August 15, 2025, which is available under the Company’s profile at www.sedarplus.ca.

Management notes that historical results were collected and reported by operators unrelated to the Company but have been verified by its Qualified Person; as a result, the historical results create a scientific basis for ongoing work on the Adelita property. Management cautions that historical results, discoveries and any published resource estimates on adjacent or nearby mineral properties, whether in stated current resource estimates or historical resource estimates, are not necessarily indicative of the results that may be achieved on the Adelita property.