VANCOUVER, British Columbia--(BUSINESS WIRE)-- Pan American Silver Corp. (NYSE: PAAS) (TSX: PAAS) ("Pan American" or the "Company") released new drill results for its Jacobina, El Peñon, La Colorada, Huaron, Timmins, Minera Florida and Cerro Moro mines.

“In 2025, we continued to advance our long-term exploration strategy aimed at replacing and growing our mineral resources, with strong results across several key operations,” said Christopher Emerson, SVP Exploration and Geology. “At Jacobina, drilling to the north of the Maricota deposit is confirming the potential to expand the resource beyond currently defined limits. At El Peñon, drilling is identifying new mineralized structures both within the main mine area and at nearby targets, including Fortuna and the newly discovered Dominadora vein. At La Colorada, recent drilling in the eastern and deeper parts of the mine continues to return compelling grades and widths, and we are also advancing a highly prospective replacement-style target along the contact between limestone and volcanic rocks.”

Pan American's exploration program focuses on near-mine exploration and resource conversion throughout its portfolio of operating mines. This release provides an exploration update on the 333,830 metres that have been drilled at the mines referenced in this news release, which represents 70% of the total metres drilled for the period November 1, 2024 to October 30, 2025. The Company plans to drill a total of approximately 540,000 metres in 2025.

EXPLORATION HIGHLIGHTS:

All intercepts are reported as estimated true widths in metres ("m"). Please refer to the Drill Result Highlights Tables beginning on page seven of this news release for additional details.

Jacobina – Exploration focused on the Maricota zone, with infill and exploration drilling building on the estimated 800 thousand ounces of inferred gold mineral resource defined in recent years. Exploration drill hole MRCEX00027A, returning 8.97m @ 5.67 g/t Au, incl. 3.07m @ 12.03 g/t Au and 6.51m @ 3.43 g/t Au, incl. 3.59m @ 5.59 g/t Au, has extended inferred mineral resources approximately 300m down dip and 300m along strike, where mineralization remains open. Surface drilling north of Maricota confirms geologic continuity into the Lagartixa target, representing a 1,400 metre long lower conglomerates package with Au-bearing reefs, indicated by drill hole LGX0010 that intercepted 6.59m @ 2.01 g/t Au, incl. 2.33m @ 3.61 g/t Au.
El Peñon – Increased exploration in 2025 extended drilling of core mine structures and satellite deposits. At Pampa Campamento, mineralization was confirmed and extended to depth and toward the Magenta vein, with results including 1.40m @ 31.20 g/t Au, 81 g/t Ag (UIP0214) and 1.18m @ 26.19 /t Au, 221 g/t Ag (UIP0220). Economic mineralization was also confirmed in the under-explored lower andesite unit. At Pampa Sur NE splay, infill drilling yielded 0.75m @ 22.50 g/t Au, 855 g/t Ag (SIP0079) and 0.88m @ 24.52 g/t Au, 917 g/t Ag (SIP0087). Satellite deposits within 20 kilometres of the core mine reported key results, including:
Chiquilla Chica mine and newly discovered Dominador vein: 0.64m @ 0.78 g/t Au, 4,306 g/t Ag (SIH0041) and 2.30m @ 0.23 g/t Au, 1,349 g/t Ag and 2.10m @ 0.16 g/t Au, 569 g/t Ag (UEH0026), respectively.
Tostado Sur target: 1.22m @ 6,624 g/t Ag (SEZ0006).
Fortuna mine: 0.94m @ 63.76 g/t Au, 4,460 g/t Ag (SEF0002).
La Colorada veins –infill and exploration drilling continue to build on the estimated 52.7 million ounces of newly identified inferred silver mineral resource across mineralization styles, as described in the September 8, 2025 and September 11, 2025 news releases. The expansion of the mineral resource is the result of successful exploration campaigns targeting the eastern extensions of multiple high-grade veins along the NC2 and Mariana vein systems. A key contribution to the recent exploration success is the discovery of new southeastern contact-related replacement style mineralization, as described in the September 11, 2025 news release. Drilling has expanded this high potential target over an approximate 500 metre x 200 metre area beneath the NC2-Marianna vein system with notable results including: 15.7m @ 201 g/t Ag, 0.91 g/t Au, 1.89% Pb, 2.76% Zn (U-131-25) and 3.71m @ 241 g/t Ag, 0.56 g/t Au, 2.96% Pb, 9.27% Zn (U-128-25).
Timmins Projects (Whitney and Vogel) – at Whitney, drilling targeted remnant mineralization in unmined veins and wall rock near historic stopes at the Bonwhit, Broulan, and Hallnor deposits, indicating mineral resource potential. Infill drilling was completed at the Vogel deposit. Significant results include:
Bonwhit: 0.42m @ 67.50 g/t Au (TW24-814); 0.47m @ 46.10 g/t Au (TW24-822).
Broulan Reef: 1.15m @ 399.43 g/t Au incl. 0.34m @ 1,350.00 g/t Au (WHT-25-855); 0.55m @ 61.80 g/t Au (WHT-25-835); 2.89m @ 36.44 g/t Au incl. 0.38m @ 270.00 g/t Au (WHT-25-848).
Hallnor: 4.03m @ 6.47 g/t Au (WHT-25-870); 15.76m @ 1.33 g/t Au (WHT-25-865).
Vogel: 6.50m @ 9.98 g/t Au incl. 0.48m @ 116.00 g/t Au (V-25-96D); 2.05m @ 31.62 g/t Au incl. 0.51m @ 121.00 g/t Au (V-25-96E).
Huaron - Drilling in the Horizonte zone extended mineral resources east of the Cometa Ramal vein, while exploration of the northern Pozo D structure yielded thick polymetallic intercepts. Significant results include: 1.57m @ 627 g/t Ag, 15.46% Pb and 10.22% Zn (U-125-24 - Cometa Ramal); 10.50m @ 261 g/t Ag, 6.96% Pb and 7.25% Zn (U-136-24 - Cometa Ramal); 3.40m @ 312 g/t Ag, 1.96% Cu, 1.17% Pb, 6.39% Zn (U-098-25 – Pozo D), 6.30m @ 176 g/t Ag, 0.12% Cu, 0.97% Pb, 8.65% Zn (U-104-25 – Pozo D).
Minera Florida – infill and exploration drilling within the main mine area, encompassing over 50 economically important structures associated with five primary district trends, continue to extend mineralization beyond the current inferred mineral resources, underscoring the potential to extend mine life. Drill highlights include: 1.06m @ 20.19 g/t Au, 11 g/t Ag, 0.28% Zn (ALH5025-Maqui Norte); 1.2m @ 23.60 g/t Au, 10 g/t Ag, 0.45% Zn (ALH 5034 – Sat Mila 12); 1.13m @ 22.4 g/t Au, 18 g/t Ag, 0.03% Zn (ALH 4845 – Las Lauras); 1.39m @ 18.71 g/t Au, 17 g/t Ag, 1.57% Zn (ALH4976 – Sorpresa); 1.05m @ 18.75 g/t Au, 86 g/t Ag, 1.16% Zn (ALH 4736 - Peque 3); and 1.49m @ 15.39 g/t Au, 11 g/t Ag, 0.95% Zn (ALH4653-Lorena).
Cerro Moro - shallow exploration and infill drilling at the recent Naty Condor discovery, located 11 kilometres southwest of the mine complex, generated notable results: 17.95m @ 13.51 g/t Au, 228 g/t Ag, incl. 2.94m @ 55.14 g/t Au, 956 g/t Ag (MD4812); 16.80m @ 9.24 g/t Au, 36 g/t Ag (MD5153); 0.59m @ 99.60 g/t Au, 3,167 g/t Ag and 9.25m @ 10.16 g/t Au, 101 g/t Ag (MD5147); and 17.85m @ 21.84 g/t Au, 975 g/t Ag, incl. 6.24m @ 34.16 g/t Au, 1,254 g/t Ag (MD5037).
SUMMARY OF EXPLORATION RESULTS

Jacobina mine, Brazil

The Jacobina mine is an underground paleo placer gold mine located in the state of Bahia in northeastern Brazil. The mine complex and resources extend over eight kilometres with exploration targets extending over an eight kilometre trend of conglomerate reefs hosting gold mineralization, many of which remain open to depth and along strike.

For the period November 2024 to October 2025, exploration drilling totaled 56,074 metres, focused mainly on infill drilling and extension of mineral resources across seven of the known deposits. Exploratory drilling of Lagartixa and Canavieiras Extension, north of Maricota and Canavieiras North Mine, respectively, represent new target areas north of the classified mineral resources with significant potential to add new mineral resources.
Infill drilling at the Morro do Vento deposit has extended high-grade zones in the central upper conglomerate. Significant intercepts include: 9.42m @ 3.39 g/t Au, incl. 4.16m @ 6.00 g/t Au (MVTEX00227); 2.49m @ 39.67 g/t Au (MVTEX00236); 5.99m @ 6.89 g/t Au (MVTEX00234). In the lower conglomerate where mineralization remains mostly open to depth, infill drilling highlights included: 5.50m @ 3.75 g/t Au, incl. 1.90m @ 8.52 g/t Au (MVTEX00228).
Infill and exploration drilling at the Maricota deposit continue to confirm the continuity and grade of mineralization in the lower conglomerate and to extend mineralization to depth and along strike. Exploration drilling highlights include: 8.97m @ 5.67 g/t Au, incl. 3.07m @ 12.03 g/t Au and 6.51m @ 3.43 g/t Au, incl. 3.59m @ 5.59 g/t Au (MRCEX00027A). Hole MRCEX00027A extends inferred mineral resources at Maricota approximately 300 metres down dip and 300 metres along strike, representing an opportunity to add mineral reserves and mineral resources close to existing underground infrastructure. Maricota remains a focus of ongoing exploration.
Infill drilling at the Joao Belo Sul deposit continued to confirm the continuity of mineralization at shallower levels and in the connector zone with Joao Belo Norte, where exploration drilling is extending mineralization to depth. At Joao Belo Sul, drilling highlights include: 3.68m @ 4.95 g/t Au (JBS00101); 7.28m @ 3.40 g/t Au, incl. 2.06m @ 10.34 g/t Au (JBS00098); and 7.20m @ 3.31 g/t Au, incl. 1.98m @ 8.98 g/t Au (JBS00107). At Joao Belo Norte, highlights include: 1.86m @ 4.52 g/t Au and 1.23m @ 6.01 g/t Au (JBEX00129).
At the Morro do Cuscuz deposit, infill drilling near the boundary with Maricota confirmed the high-grade nature of mineralization in this sector. Highlights include: 4.36m @ 14.43 g/t Au (MRCEX00081); 3.02m @ 20.58 g/t Au (MRCEX00082); 6.47m @ 5.65 g/t Au, incl. 2.14m @ 11.10 g/t Au (MCZEX00019); and 4.41m @ 22.25 g/t Au (MCZEX00020).
At the Serra do Corrego deposit, infill drilling returned positive results, including: 16.81m @ 4.85 g/t Au (SCOEX00021); 2.10m @ 6.31 g/t Au and 2.51m @ 17.02 g/t Au (SCOEX00023).
At the Lagartixa target, surface exploration drilling directly north of Maricota returned positive initial results, including: 6.59m @ 2.01 g/t Au, incl. 2.33m @ 3.61 g/t Au (LGX00010). These results confirm the continuation of the Maricota geology into the Lagartixa target along an approximate 1,400 metre strike length hosting the lower conglomerate reefs.
El Peñon mine, Chile

El Peñon is a large, high-grade gold-silver epithermal system located in the Antofagasta region of northern Chile.

For the period November 2024 to October 2025, exploration drilling totaled 94,825 metres, including 60,600 metres of infill drilling aimed at converting inferred mineral resources to the indicated category at all principal veins, including Pampa Campamento. Additionally, 34,225 metres of exploration drilling was completed to delineate new inferred mineral resources.
Drilling at Pampa Campamento within the intrusive and lower andesite sequence continues to confirm and extend mineralization to depth and north toward the Magenta vein. Infill drill highlights include: 1.40m @ 31.20 g/t Au, 81 g/t Ag (UIP0214); 0.76m @ 61.00 g/t Au, 191g/t Ag (UIP0221); 1.18m @ 26.19 g/t Au, 221 g/t Ag (UIP0220); 1.30m @ 8.34 g/t Au, 265 g/t Ag and 0.44m @ 108.74 g/t Au, 606 g/t Ag (-10 splay) (UIP0235). At the adjacent Pampa Campamento Diagonal Sur splay vein, infill drilling returned 1.30m @ 10.06 g/t Au, 378 g/t Ag (UIP0193). Mineralization within the lower andesite unit now extends more than 200 metres below the rhyolite contact, underscoring the mineral potential of this underexplored stratigraphic level across the mine. Exploration drilling highlights at Pampa Campamento include: UEP0078, with 1.05m @ 13.13 g/t Au, 97 g/t Ag and 0.78m @ 5.50 g/t Au, 262 g/t Ag (+5 splay); UEP0070, with 0.49m @ 8.36 g/t Au, 399 g/t Ag; and UEP0086, with 0.78m @ 8.52 g/t Au, 72 g/t Ag. Mineralization at Pampa Campamento now spans nearly 800 metres vertically. The implications of these deeper results are under evaluation and may suggest mineralization potential at greater depths in other veins.
Exploration and infill drilling in the central core mine area yielded strong results from principal and secondary structures. Highlights at Vista Norte and Diablada include: 0.80m @ 15.50 g/t Au, 437 g/t Ag (Vista Norte), 0.57m @ 13.50 g/t Au, 31 g/t Ag (Diablada) and 0.83m @ 8.52 g/t Au, 250 g/t Ag (Vista Norte) (UIV0088); 0.50m @ 309.20 g/t Au, 285 g/t Ag (UIV0098 - Vista Norte); 1.20m @ 8.46 g/t Au, 34 g/t Ag (UEV0043 - Vista Norte); 1.45m @ 8.22 g/t Au, 22 g/t Ag (UIV0094 - Diablada); and at Dorada FW: 0.44m @ 22.40 g/t Au, 370 g/t Ag (UED0082); 0.83m @ 116.49 g/t Au, 230 g/t Ag and 0.69m @ 9.70 g/t Au, 101 g/t Ag (UED0083). These results highlight the potential for secondary structures at the main core mine structures to add mineral resources near existing mine infrastructure.
At the Chiquilla Chica mine and the recently discovered Dominadora vein to the north, infill and exploration drilling continue to return positive results. Drill highlights at Chiquilla Chica include: 0.64m @ 0.78 g/t Au, 4,306 g/t Ag (SIH0041); 0.84m @ 0.46 g/t Au, 1,270 g/t Ag (SIH0042); and 0.70m @ 0.95 g/t Au, 976 g/t Ag (UIH0073); at Dominadora: 2.30m @ 0.23 g/t Au, 1,349 g/t Ag and 2.10m @ 0.16 g/t Au, 569 g/t Ag (UEH0026); 0.95m @ 0.21 g/t Au, 3,306 g/t Ag (UEH0027); 2.20m @ 0.84 g/t Au, 992 g/t Ag (SEH0012); and 0.77m @ 8.76 g/t Au, 1,443 g/t Ag (UEH0028). Exploration drilling east of Dominadora returned 0.60m @ 0.01 g/t Au, 1,091 g/t Ag (UEH0037), interpreted as a new parallel structure located approximately 700 metres east of Dominadora.
Drilling in the Peñon Sur sector south of the core mine area continued to return positive results. Infill drilling at the recently defined Pampa Sur NE splay returned 0.75m @ 22.50 g/t Au, 855 g/t Ag (SIP0079), 2.44m @ 4.75 g/t Au, 338 g/t Ag (SIP0080); and 0.88m @ 24.52 g/t Au, 917 g/t Ag (SIP0087). At Pampa Sur, highlights include: infill drill hole SIP0091, with 0.95m @ 7.68 g/t Au, 499 g/t Ag; and exploration drill hole UEO0040, returning 0.96m @ 7.80 g/t Au, 6 g/t Ag.
Exploration and infill drilling on other structures at El Peñon continue to generate significant results, including from the silver-rich Tostado Sur target and Fortuna mine, located approximately 20 kilometres and nine kilometres southwest of El Peñon, respectively. Drill highlights from these areas include: 0.98m @ 0.03 g/t Au, 1,334 g/t Ag (SEZ003) and 1.22m @ 0.03 g/t Au, 6,624 g/t Ag (SEZ0006) at Tostado; and 0.94m @ 63.76 g/t Au, 4,460 g/t Ag (SEF0002) at Fortuna. Drilling at Fortuna is testing the down plunge extension of higher-grade mineral shoots, which remain open to depth.
La Colorada mine, Mexico

The La Colorada mine is a silver-rich polymetallic operation located in the state of Zacatecas, Mexico.

For the period July 2025 to October 2025, the Company completed 22,996 metres of exploration drilling, successfully building on the estimated 52.7 million ounces of inferred silver mineral resources in all mineralization styles, as described in the news releases dated September 8, 2025 and September 11, 2025.
On the eastern extension of the NC2 vein, infill and exploration drilling continued to confirm grade and structure, extending mineralization along strike to the east and to depth beyond current mineral resources. Highlights include: 2.86m @ 578 g/t Ag, 0.30 g/t Au, 0.31% Pb, 0.72% Zn (S-126-25), 2.25m @ 683 g/t Ag, 0.27 g/t Au, 0.80% Pb, 1.71% Zn (S-83-25), 1.84m @ 437 g/t Ag, 0.15 g/t Au, 4.54% Pb, 1.83% Zn (S-136-25), 1.17m @ 581 g/t Ag, 0.54 g/t Au, 3.07% Pb, 5.80% Zn (U-157-25).
Exploration and infill drilling on the east extension of the Mariana vein continue to return strong results from both the main and footwall splay structures. Highlights include: 2.45m @ 1,442 g/t Ag, 3.73 g/t Au, 1.12% Pb, 2.62% Zn (U-141-25), 2.37m @ 952 g/t Ag, 0.30 g/t Au, 5.97% Pb, 11.40% Zn (U-128-25), 2.86m @ 519 g/t Ag, 1.01 g/t Au, 2.00% Pb, 3.27% Zn (U-137-25) and 2.03m @ 673 g/t Ag, 0.27 g/t Au, 2.71% Pb, 5.14% Zn (U-144-25).
Based on the mineral reserves and mineral resources reported as at June 30, 2025, several new structures have been defined. The East 1.5 vein is now defined between the Intermedia Este and Intermedia Este 2 veins. The Sofia vein is modeled as an antithetic structure between the San Geronimo and NC2 vein systems. Both the Jade and Rubi veins occur as splay veins within the hanging wall of the NC2 vein. Significant results include:
Intermedia Este 1.5 vein: 0.38m @ 1,018 g/t Ag, 0.29 g/t Au, 0.39% Pb, 0.31% Zn (U-137-25) and 0.69m @ 495 g/t Ag, 0.55 g/t Au, 6.83% Pb, 8.81% Zn (U-123-25).
Sofia vein : 0.44m @ 1,994 g/t Ag, 0.16 g/t Au, 2.06% Pb, 5.39% Zn (U-164-25) and 0.8m @ 326 g/t Ag, 0.19 g/t Au, 4.09% Pb, 11.51% Zn (U-143-25).
Jade vein: 1.20m @ 2,096 g/t Ag, 0.45 g/t Au, 3.16% Pb, 7.51% Zn (U-164-25) and 1.38m @ 292 g/t Ag, 0.28 g/t Au, 5.11% Pb, 11.01% Zn (U-154-25).
Rubi vein: 1.21m @ 372 g/t Ag, 0.21 g/t Au, 3.81% Pb, 6.61% Zn (U-145-25) and 0.95m @ 417 g/t Ag, 0.25 g/t Au, 0.14% Pb, 0.14% Zn (S-83-25).
A key contributor to recent exploration success at La Colorada is the discovery of new southeastern contact-related replacement-style mineralization, as detailed in the September 11, 2025 news release. Drilling has expanded this high-potential target north of the San Geronimo/Cristina corridor to an approximate 500 metre x 200 metre area beneath the NC2 and Marianna veins, with notable intercepts including: 15.70m @ 201 g/t Ag, 0.91 g/t Au, 1.89% Pb, 2.76% Zn (U-131-25), 3.71m @ 241 g/t Ag, 0.56 g/t Au, 2.96% Pb, 9.27% Zn (U-128-25) and 2.98m @ 242 g/t Ag, 0.25 g/t Au, 1.73% Pb, 6.18% Zn (U-143-25).
Huaron mine, Peru

The Huaron mine is a polymetallic (Zn-Pb-Ag-Cu) deposit situated in the Pasco Department of central Peru.

For the period November 2024 to October 2025, a total of 35,844 metres of exploration drilling was completed, including 27,064 metres focused on delineating new inferred mineral resources, and 8,780 metres of infill drilling aimed at converting inferred mineral resources to the indicated category.
High-grade polymetallic mineralization within the Cometa Ramal vein (Horizonte zone) was extended 200 metres along strike and 300 metres to depth with 22 drillholes. The zone remains open at depth to the east. Results include: 1.57m @ 627 g/t Ag, 0.09% Cu, 15.46% Pb, 10.22% Zn (U-125-24), 10.50m @ 261 g/t Ag, 0.11% Cu, 6.96% Pb, 7.25% Zn (U-136-24), and 4.00m @ 182 g/t Ag, 0.09% Cu, 4.69% Pb, 8.08% Zn (U-131-24).
Drilling extended the Fastidiosa vein 100 metres on strike to the east and 90 metres below current mine workings. Notable results include: 4.80m @ 272 g/t Ag, 0.76% Cu, 3.61% Pb, 2.07% Zn (U-094-25), 1.40m @ 224 g/t Ag, 0.03% Cu, 7.66% Pb, 4.26% Zn (U-089-25), 3.05m @ 195 g/t Ag, 0.63% Cu, 4.16 % Pb, 2.11% Zn (U-070-25).
The Pozo D Ramal Norte vein returned thick high-grade results along a 150 metre extension of mineralization west of the main structure, which are expected to result in converting inferred mineral resources to indicated mineral resources. Highlights include: 3.40m @ 312 g/t Ag, 1.96% Cu, 1.17% Pb, 6.39% Zn (U-098-25), 5.40m @ 394 g/t Ag, 0.34% Cu, 0.12% Pb, 1.24% Zn (U-093-25), 6.30m @ 176 g/t Ag, 0.12% Cu, 0.97% Pb, 8.65% Zn (U-104-25).
Timmins projects (Whitney and Vogel), Canada

Pan American's Timmins West and Bell Creek mines are located near Timmins, Ontario. The Whitney project is situated 4.5 kilometres south of the Bell Creek processing plant. The Hallnor/Bonetal and Broulan Reef/Bonwhit zones are referenced in Pan American's mineral reserves and mineral resources reported as at June 30, 2025, under the Whitney project, which is a joint venture operated by Pan American.

Drilling at Whitney comprised 64 holes totaling 19,489 metres, and tested mineralization remaining in both unmined veins and the wall rock of mined stopes in the Upper Hallnor, Broulan Reef zones and Bonwhit zones 500 metres east of Broulan Reef.
The drilling at Bonwhit comprised 11 holes totaling 4,437 metres; results confirm historic mineral resource shapes and in some cases, intersected mineralization outside the current models, including: 0.42m @ 67.50 g/t Au (TW24-814), and 0.47m @ 46.10 g/t Au (TW24-822).
Drilling at Hallnor comprised two holes totaling 1,056 metres to evaluate remaining mineralization in unmined veins and the wall rock adjacent to previously mined stopes in the upper Hallnor zone. Significant intercepts include: 15.76m @ 1.33 g/t Au (WHT-25-865) and 4.03m @ 6.47 g/t Au (WHT-25-870).
Drilling at Broulan Reef comprised 51 holes totaling 13,996 metres, targeting shallow areas with historic mineral resource estimates. Results confirmed historic shapes and intersected mineralization outside the current models in some instances. Significant intercepts include:
0.55m @ 61.80 g/t Au (drill hole WHT-25-835), 4.94m @ 4.32 g/t Au, incl. 0.93m @ 13.33 g/t Au (WHT-25-839), 2.89m @ 36.44 g/t Au incl. 0.38m @ 270 g/t Au (WHT-25-848), 1.15m @ 399.43 g/t Au incl. 0.34m @ 1350.00 g/t Au (WHT-25-855)
3.15m @ 11.75 g/t Au incl. 0.36m @ 89.50 g/t Au (WHT-25-859), and 16.97m @ 6.18 g/t Au incl. 0.41m @ 34.60 g/t Au(WHT-25-876).
The Vogel project is located approximately 1.5 kilometres east-southeast of the Bell Creek processing plant. Previously assessed as an open pit operation with an underground component, the project was remodeled in early 2025 solely for underground mining. Drilling from July to October 2025 comprised 10 holes totaling 4,124 metres testing mineralization approximately 100 metres to 200 metres below current mineral resources. Many assays are pending with significant assays received to date including: 6.50m @ 9.98 g/t Au incl. 0.48m @ 116.00 g/t Au (V-25-96D), and 2.05m @ 31.62 g/t Au incl. 0.51m @ 121.00 g/t Au (V-25-96E).
Minera Florida mine, Chile

Minera Florida is an epithermal to mesothermal gold-silver-zinc underground mine located in the coastal region of central Chile, southwest of Santiago.

For the period November 2024 to October 2025, a total of 69,838 metres of infill and exploration drilling was completed across several core mine structures, including: Lorena-Peque, Mila, Lo Balta-Sorpresa-Centenario Superior, Maqui Norte, PBE, Don Leopoldo, Las Lauras, and others.
At Lorena and Peque, infill and exploration drilling confirmed mineralization continuity and grade extending along strike and to depth from the current mineral resources. Drilling highlights include: 2.63m @ 4.59 g/t Au, 6 g/t Ag, 2.80% Zn (ALH4659-Lorena); 1.49m @ 15.39 g/t Au, 11 g/t Ag, 0.95% Zn (ALH4653-Lorena); 1.30m @ 8.09 g/t Au, 6 g/t Ag, 3.12% Zn (ALH4664-Lorena); 1.10m @ 17.18 g/t Au, 69 g/t Ag, 0.06% Zn (ALH4782-Peque); 1.79m @ 6.06 g/t Au, 47 g/t Ag, 0.07% Zn (Peque) and 1.05m @ 18.75 g/t Au, 86 g/t Ag, 1.16% Zn at Peque 3 (ALH4736); 0.84m @ 12.63 g/t Au, 17 g/t Ag, 4.78% Zn (ALH4679-Peque 3).
At Maqui Norte, infill and exploration drilling generated new inferred and indicated mineral resource, extending approximately 150 metres north of the reported mineral reserves and infrastructure. The structure remains open down-dip and along approximately 300 metres strike length to the north to the PBE vein intersection. Drilling highlights include: 1.66m @ 11.34 g/t Au, 48 g/t Ag, 2.06% Zn (ALH5065); and 1.06m @ 20.19 g/t Au, 11 g/t Ag, 0.28% Zn (ALH5025-Maqui C IV).
At Don Leopoldo Sur, infill and exploration drilling extended mineralization approximately 50 metres below current mine infrastructure. Highlights include: 1.84m @ 5.03 g/t Au, 11 g/t Ag, 3.11% Zn (ALH5059); and 1.98m @ 9.56 g/t Au, 18 g/t Ag, 8.37% Zn (ALH5035). Mineralization remains open at depth at Don Leopoldo Sur and W, with future drilling planned.
At Lo Balta, exploration and infill drilling extended inferred mineral resource and indicated mineral resource approximately 150 metres east along Lo Balta and Cipres structures, with an additional 150 metre strike potential open to the Centenario vein intersection. Key results include: exploration drill hole ALH4691 at Lo Balta, with 1.08m @ 8.78 g/t Au, 13 g/t Ag, 1.55% Zn; infill drill holes ALH4773, Lo Balta Norte vein, with 0.82m @ 15.15 g/t Au, 28 g/t Ag, 7.36% Zn; ALH4804, Cipres vein, with 0.91m @ 16.60 g/t Au, 73 g/t Ag, 2.39% Zn; and 3.28m @ 13.84 g/t Au, 11 g/t Ag, 1.42% Zn (Centenario 1 vein – ALH5009).
Cerro Moro, Argentina

Cerro Moro is an underground and open pit epithermal gold-silver mine located in the Patagonia region of southern Argentina.

For the period November 2024 to October 2025, exploration drilling totaled 34,764 metres, including 28,871 metres of infill drilling targeting conversion of inferred mineral resource, 4,544 metres of exploration drilling to delineate new inferred mineral resources, and 1,349 metres of exploratory drilling to identify new mineralization. Efforts focused primarily on defining and expanding the new Naty Condor discovery (approximately 11 kilometres south of the operation.). Additionally, drilling was carried out along the 3.5 kilometre-long Nini core mine structure, and on the newly defined Vein 4 structure at the Naty open pit, approximately 23 kilometres south-southwest of the operation.
Naty Condor, discovered in late 2023 with initial drilling in mid-2024, features mineralization along an approximately 700 metre long northwest-trending corridor, delineated to depths of 50 to 90 metres below surface within multiple coalescing structures that form wide, often high-grade zones. Mineralization is hosted by and proximal with the contact between bedded sedimentary strata and felsic volcaniclastic rocks. Mineralization remains partially open to depth and along strike to the northwest and southeast. Notable intercepts include: 17.95m @ 13.51 g/t Au, 228 g/t Ag, incl. 2.94m @ 55.14 g/t Au, 956 g/t Ag (MD4812); 10.35m @ 8.22 g/t Au, 265 g/t Ag (MD4951); 16.80m @ 9.24 g/t Au, 36 g/t Ag (MD5153); 0.59m @ 99.60 g/t Au, 3,167 g/t Ag and 9.25m @ 10.16 g/t Au, 101 g/t Ag (MD5147); 10.54m @ 14.00 g/t Au, 137 g/t Ag, incl. 0.90m @ 87.60 g/t Au, 280 g/t Ag (MD4881); 20.27m @ 4.20 g/t Au, 69 g/t Ag, incl. 1.45m @ 29.66 g/t Au, 71 g/t Ag (MD5046); and 17.85m @ 21.84 g/t Au, 975 g/t Ag, incl. 6.24m @ 34.16 g/t Au, 1,254 g/t Ag (MD5037).
At the Nini zone, shallow infill and exploration drilling returned positive results, which are expected to add new mineral resources to be reported as at June 30, 2026. Drilling highlights include: 1.37m @ 6.50 g/t Au, 777 g/t Ag (MD4936); 4.64m @ 9.51 g/t Au, 564 g/t Ag (MD4943); 1.28m @ 6.36 g/t Au, 1,167 g/t Ag (MD4976); and 1.84m @ 31.91 g/t Au, 1,095 g/t Ag (MD5129).
Drill results from the Naty mine Vein 4 include: 1.94m @ 3.58 g/t Au, 176 g/t Ag (MD4979); and 0.92m @ 4.26 g/t Au, 387 g/t Ag (MD5051). Vein 4 is a new structure at the western margin of the Naty open pit that remains open to depth and along strike.
DRILL RESULT HIGHLIGHTS TABLES

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https://s202.q4cdn.com/876548212/files/doc_news/Pan-American-Silver-Provides-2025-Year-End-Exploration-Update-2025.pdf