COMMUNIQUÉ DE PRESSE

par PPX Mining Corp (CVE:PPX)

PPX Mining Intersects High-Grade at Callanquitas Sulfide Zone with up to 49.52 g/t Gold, 11,597 g/t Silver and 11.1% Copper

TORONTO, ON / ACCESS Newswire / October 21, 2025 / PPX Mining Corp. (TSX.V:PPX)(BVL:PPX - the "Company" or "PPX") is pleased to announce the continuation of its 4,300 meters diamond drilling program in coordination with Proyectos la Patagonia S.A.C. ("PLP"), a partner company. This drilling program is carried out inside the mine, within two drilling chambers. The drilling was executed from the chamber 04, now reported (historic DDH CA-24-07) and has the objective of testing Callanquitas East and the sulfide veins/breccias with four drill holes CA-25-21, CA-25-22, CA-25-23 and CA-25-24. The drill hole CA-25-24 has partial grades, and the company is expecting grades from the last 42 meters to come in later.

Drill hole CA-25-24 has three mineralized zones. The best mineralized intersection grades 8.63 g/t Au, 3756.2 g/t Ag and 0.7% Cu over 0.9 meters, includes grade of 22.38 g/t Au, 9619.5 g/t Ag and 1.9% Cu over 0.3 meters, in the Callanquitas Este (mixed mineralized zone). The second mineralized intersection grades 10.98 g/t Au, 2189.1 g/t Ag and 2.3% Cu over 5.9 meters, includes grade of 17.33 g/t Au, 3888.3 g/t Ag and 3.9% Cu over 3.3 meters, and also includes grade of 49.52 g/t Au, 11597.1 g/t Ag and 11.1% Cu over 1.1 meters, tension vein of sulfide. The third mineralized intersection is still waiting for laboratory results.

The drill hole CA-25-23 has three mineralized zones, the best intersection grades 12.33 g/t Au and 11.4 g/t Ag over 2.4 meters, includes a grade of 27.43 g/t Au and 23.6 g/t Ag over 0.95 meters, Callanquitas Este (oxide mineralized zone). It also intercepted mineralized sections of low-grade tension veins.

The drill hole CA-25-22 intercepted a mineralized section grading 3.03 g/t Au and 13.2 g/t Ag over 1.5 meters at Callanquitas Este (mixed mineralized zone).

The drill hole CA-25-21 intercepted a mineralized section grading 0.62 g/t Au, 381.0 g/t Ag and 0.3% Cu over 1.25 meters and includes a grade of 2.78 g/t Au, 1897.0 g/t Ag and 1.3% Cu over 0.25 meters at Callanquitas Este (sulfide zone).

The drill hole CA-25-24 was oriented at N66°E dipping -48°; drill hole CA-25-23 was oriented N43°E dipping -14°; drill hole CA-25-22 was oriented N105°E dipping -48°; and drill hole CA-25-21 was oriented N140°E dipping -39°. (See Plan View Figure 1, and Sections Figure 4). The drill holes CA-25-24 is in the mixed - sulfide zone, CA-25-23 is in the oxide - mixed zone, CA-25-22 is in the mixed zone, and CA-25-21 is in the sulfide zone. See the intersections of mineralized zones below in the Table 1.

Table 1. Drilling Results of CA-25-20, 21, 22, 23, and CA-25-24.

Drill Hole

From (m)

To (m)

Length (m) (*)

Average Grades

Press Release

Breccia

Total depth (m)

Orientation & Dip

Au (g/t)

Ag (g/t)

Cu (%)

CA-25-24

111.20

119.90

8.70

1.14

483.9

0.1

Current

Callanquitas Este Mixed

212.5

66/ -48

Included

111.20

112.10

0.90

8.63

3,756.2

0.7

Current

Included

111.50

111.80

0.30

22.38

9,619.5

1.9

Current

CA-25-24

131.50

158.40

26.90

2.91

561.4

0.5

Current

Tension I vein (Sulfide)

Included

140.75

155.70

14.95

4.71

921.2

0.9

Current

Included

149.80

155.70

5.90

10.98

2,189.1

2.3

Current

Included

152.40

155.70

3.30

17.33

3,888.3

3.9

Current

Included

154.60

155.70

1.10

49.52

11,597.1

11.1

Current

CA-25-24

171.60

168.90

174.50

Pending

Pending

Pending

(Oxide)

CA-25-23

51.80

52.85

1.05

0.5

8.1

-

Current

Tension I vein (Mixed)

252.7

43 / -14

CA-25-23

86.75

88.10

1.35

0.2

40.5

-

Current

Tension II vein (Mixed)

CA-25-23

215.30

226.65

11.35

2.85

4.9

-

Current

Callanquitas Este (Oxide)

Included

221.20

223.60

2.40

12.33

11.4

-

Current

Included

221.80

222.75

0.95

27.43

23.6

-

Current

CA-25-22

123.20

124.70

1.50

3.03

13.2

-

Current

Callanquitas Este (Mixed)

207.4

105 / -48

Included

124.05

124.70

0.65

3.95

21.7

-

Current

CA-25-21

112.20

113.45

1.25

0.62

381.0

0.3

Current

Callanquitas Este (Sulfide)

233.3

140 / -39

Included

112.20

112.45

0.25

2.78

1,897.0

1.3

Current

CA-25-20

166.20

168.90

2.70

1.75

7.4

-

Previous pending

(Sulfide)

187.3

43/ -30

* True Width ("TW") is approximately 70% of the drill width.

The drillhole CA-25-24 intercepted the Callanquitas Este structure and Tension Vein sulfide zone, located 6 meters south of CA-24-07 (DDH historic 07), a twinned hole. The drillhole CA-25-23 intercepted the Callanquitas Este structure and Tension Vein sulfide, located 150 meters north of 07. The drillhole CA-25-22 intercepted the Callanquitas Este structure, located 55 meters south of 07. The drillhole CA-25-21 intercepted the Callanquitas Este structure, located 103 meters south of 07. All boreholes are drilled from chamber 04, located at an elevation of 2960 meters above sea level. (See Figure 1 and 2-5, Section: drill holes and Longitudinal section).

Figure 1. Plan view: location drill holes CA-25-21, CA-25-22, CA-25-23, CA-25-24

The drillhole CA-25-24 intercepted the Callanquitas Este structure and Tension Vein sulfide zone, located 6 meters south of CA-24-07 (DDH historic 07). Has three mineralized zones, the most important is the section grading 8.63 g/t Au, 3756.2 g/t Ag and 0.7% Cu over 0.9 meters, Callanquitas Este (mixed mineralized goethite - pyrite, acanthite?). The second section grades 10.98 g/t Au, 2189.1 g/t Ag and 2.3% Cu over 5.9 meters, Tension Vein sulfide zone (pyrite, acanthite? chalcocite, chalcopyrite and bornite). The third section is still awaiting laboratory results of the oxide zone (Goethite - limonite).

Figure 2. Section: drill holes CA-25-24

The drillhole CA-25-23 intercepted the Callanquitas Este structure and Tension Vein sulfide zone, located 150 meters north of 07 and 35 meter above. The best being the section grading 12.33 g/t Au and 11.4 g/t Ag over 2.4 meters, Callanquitas Este (oxide mineralized zone, goethite - limonite). It also intercepted sections of low-grad

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