VANCOUVER, British Columbia--(BUSINESS WIRE)--Pan American Silver Corp. (NYSE: PAAS) (TSX: PAAS) ("Pan American" or the "Company") releases new drill results for its Jacobina, El Peñon, La Colorada and Huaron properties, reflecting the potential for continued mineral resource replacement at these assets. In particular, drill results from La Colorada and El Peñon reveal the significant exploration potential to find additional mineralized structures in under-explored ground surrounding these operations, highlighting the potential for mineral resource growth close to existing mine infrastructure.

“At La Colorada, we discovered an entirely new set of vein structures with high silver grades to the east and southeast of the main NC2 vein. At El Peñon, drill results from the Pampa Sur zone bode well for potential mineral resource additions close to the existing mine infrastructure, with additional potential in the largely unexplored southern area of the mine,” said Christopher Emerson, Pan American’s Vice President of Exploration and Geology.

Pan American’s exploration program focuses on near-mine exploration and mineral resource conversion throughout its portfolio. Since the last exploration update provided on December 5, 2023, a total of 223,157 metres have been drilled over the November 1, 2023 to April 30, 2024 period. The Company plans to drill an additional 200,000 metres from May 2024 to December 2024.

The drill results disclosed in this news release, together with the results from the second half of the 2023 drill program, will be integrated into the Company’s mineral reserves and mineral resources update as at June 30, 2024, which is expected to be released in August 2024. All intercepts are reported as estimated true widths in metres ("m").

EXPLORATION HIGHLIGHTS

Jacobina mine, Brazil:

Jacobina is an underground paleo-placer gold mine located in the state of Bahia in northeastern Brazil. Mineralization is hosted by a series of steeply to moderately dipping quartz pebble conglomerate reefs, which range up to several metres in width. The mine complex extends over eight kilometres north/south, with mineral resources and exploration targets extending over a 14 kilometre trend. Mineralization remains open at depth and along strike in multiple areas.

• Recent drilling at Jacobina totaled 30,426m, utilizing up to 13 surface and underground diamond drill rigs. The program included 18,847m of infill drilling to support conversion of inferred to indicated mineral resources at João Belo Sul, Morro do Vento, Serra do Córrego and Maricota zones. Exploration drilling totaling 7,930m was aimed at adding new mineral resources at the Maricota, João Belo Sul, João Belo Norte and Morro do Vento zones. In addition, 3,649m of exploration drilling tested new targets proximal to the mine area.
• 7,088m of infill drilling at João Belo Sul confirms mineralization continuity, with drill hole JBS00062 returning 6.42m @ 2.37 g/t Au, including 2.72m @ 3.90 g/t Au and 6.23m @ 2.77 g/t Au, including 2.87m @ 4.12g/t Au.
• At Morro do Vento, infill drilling confirms continuity and higher grades in the upper reefs in areas that had limited previous drilling. Hole MVTEX00195 returned 3.29m @ 15.40 g/t Au and 6.11m @ 2.48 g/t Au, including 2.10m @ 3.77 g/t Au. Hole MVTEX00191 included 8.14m @ 4.31 g/t Au, including 2.22m @ 6.38 g/t Au. A portion of the lower conglomerate zone was successfully converted to indicated mineral resources with infill hole MVTEX00193 returning 6.76m @ 3.91 g/t Au and 2.48m @ 4.53 g/t Au and MVTEX00198, with 7.02m @ 2.35 g/t Au, including 2.64m @ 4.24 g/t Au.
• Exploration and infill drilling at Maricota also confirmed grade continuity. Drill highlights include holes MRCEX0019, with 8.45m @ 2.22 g/t Au, including 4.84m @ 3.05 g/t Au, MRCEX0016 with 2.56m @ 4.04 g/t Au (LVLPC reef) and 1.19m @ 56.48 g/t Au (HW reef), and infill hole MRCEX00020, with 2.88m @ 5.88 g/t Au. The Maricota zone remains open at depth and along strike to the north.
• Infill drill results at Serra do Córrego confirm higher grades characteristic of this sector. Highlights include drill hole SCOEX00017 with 11.59m @ 3.37 g/t Au (including 4.17m @ 4.90 g/t Au and 2.83m @ 4.17 g/t Au), and 14.00m @ 5.55 g/t Au (including 3.30m @ 15.92 g/t Au and 2.47m @ 6.07 g/t Au).

El Peñon, Chile:

El Peñon is a high-grade low-sulphidation epithermal vein Au-Ag deposit, located at an average elevation of 1,800 m above sea level within the Paleocene mineral belt of northern Chile. The deposit consists of a series of steeply to moderately dipping, north-south striking quartz veins, which extend within a 14 kilometre long northeast trending corridor. The 122,000 ha property hosts several satellite deposits and targets, which are actively being explored.

• Recent drilling totaled 44,645m (20,538 m infill drilling and 24,107m exploration) with up to 14 drill rigs. Infill drilling focused on conversion of inferred to indicated mineral resources in several main structures (El Valle, Pampa Campamento and Martillo Flats SSE veins) and at the Chiquilla Chica and Tostado Sur zones, located 20 kilometres and eight kilometres southwest of the core mine area, respectively.
• Continued positive infill and exploration drilling at the central El Valle vein and northern extension of the Pampa Campamento vein. Highlights at Pampa Campamento include UIP0163, with 0.95m @ 11.0 g /t Au and 258 g/t Ag and 1.80m @ 12.2 g/t Au and 182 g/t Ag, and UIP0155, with 0.72m @ 21.5 g/t Au and 748 g/t Ag and UEP0060 returned 0.76m @ 7.6 g/t Au and 207 g/t Ag. Infill drilling at El Valle confirms high grade structures with SIV0007 returning 1.33m @ 13.1 g/t Au and 403 g/t Ag, and 0.61m @ 28.5 g/t Au and 204 g/t Ag, UIV0076 with 1.67m @ 11.7 g/t Au and 449 g/t Ag and hole SEV0009 intersected 1.11m @ 12.0 g/t Au and 356 g/t Ag.
• Initial exploration drilling at the newly discovered Pampa Sur vein, south of the core mine area, returned positive results in hole SEP0050, with 0.80m @ 15.6 g/t Au and 94 g/t Ag, and hole SEP0032 with 1.22m @ 22.2 g/t Au and 1,005 g/t Ag. Pampa Sur represents an excellent opportunity to add new mineral resources close to existing mine infrastructure.
• High-grade silver results have been confirmed in infill drilling at Tostado Sur zone with 1.03m @ 7,574 g/t Ag and 0.1 g/t Au (drill hole SIH0015), 1.02m @ 3,802 g/t Ag (SIH0014) and 7.50m @ 1,217 g/t Ag and 0.1 g/t Au (SIH0016).

La Colorada mine, Mexico:

The La Colorada mine is a silver-rich polymetallic vein mine located in the state of Zacatecas, Mexico. The deposit is an intermediate sulphidation epithermal vein system, with associated splays. Individual veins are typically one to two metres wide with strike lengths of between 900 metres and 1.5 kilometres.

• A total of 75 holes for 15,705m of infill drilling was completed, focusing on the vein targets (NC2, Mariana, Intermedia, Veta 3, SE system, and Liz) from both surface and underground. 15 surface exploration holes successfully extended the NC2 vein to the east and intercepted two new structures (Mariana and Intermedia).
• Results from drilling on the east extension of the NC2 vein returned high-grade silver intercepts. Drill highlights include: S-108-23 with 1.42m @ 1,131 g/t Ag, 3.05% Pb, 5.50% Zn (NC2 vein) and 0.85m @ 760 g/t Ag, 0.48% Pb, 0.86% Zn (Mariana vein) and S-27-24, with 1.04m @ 5,991 g/t Ag, 4.06% Pb, 8.74% Zn (NC2 vein), 0.59m @ 2,291 g/t Ag, 3.27% Pb, 6.08% Zn (Intermedia East vein) and 2.51m @ 426 g/t Ag, 1.22% Pb, 3.63% Zn (Mariana vein).
• S-05-24 drill hole, planned as part of the La Colorada Skarn infill program, intercepted several structures in the San Geronimo vein system south of the NC2 Vein. Drill hole S-05-24 intersected a new vein with 1.41m @ 825 g/t Ag, 4.48% Pb, 9.26% Zn, a splay vein with 1.95m @ 1,755 g/t Ag, 2.69% Pb, 5.78% Zn and a second structure with 2.16m @ 1,190 g/t Ag, 1.19% Pb, 2.22% Zn. This drill hole confirms additional structures at the San Geronimo vein system in addition to the three already known veins covering an area of 400m along strike and 600m vertical.
• A new vein system parallel to the NC2 vein was discovered in the SE area of the mine based on the drilling of S-20-24 and S-71-24. S-20-24 intersected the Cristina vein with 5.67m @ 614 g/t Ag, 2.10% Pb and 5.95% Zn and new splay veins with 0.36m @ 2,336 g/t Ag, 2.24% Pb, 4.52% Zn, 1.12m @ 1,212 g/t Ag, 2.32% Pb, 2.59% Zn and 0.65m @ 1,551 g/t Ag, 5.28% Pb and 7.93% Zn. S-71-24 intersected the Cristina vein with 1.89m @ 3,342 g/t Ag, 0.96 g/t Au, 4.62% Pb and 4.67% Zn and a second vein with 29.51m @ 128 g/t Ag, 0.85 g/t Au, 2.28% Pb and 5.80% Zn.

Huaron mine, Peru:

The Huaron mine, situated in the western cordillera of the Andes within the Cerro de Pasco Department of central Peru, is a polymetallic deposit featuring zinc, lead, silver, and copper. The deposit is defined by hydrothermal veins and replacement bodies hosted in folded and faulted sedimentary rocks.

• A total of 78 holes for 18,419m were drilled, focused on brownfield extensions to define new inferred mineral resources along principal structures in the mid and lower portion of the mine area as well as the Horizonte zone. The Horizonte zone is an emerging multiple vein system southwest of the core mine area. Development along these veins continues to define mineral resources in this area.
• High-grade mineralization on the Patrick vein was extended by 200m and remains open at depth. Results include DDH-U-041-24 with 1.66m @ 819 g/t Ag, 11.53% Pb and 14.48% Zn and hole DDH-U-047-24 with 5.46m @ 331 g/t Ag, 1.32% Pb and 3.58% Zn.
• The east extension on the Cometa Ramal vein was confirmed with DDH-U-049-24 with 2.32m @ 627 g/t Ag, 3.36% Pb and 17.77% Zn, hole DDH-U-018-24 with 4.0 m @ 333 g/t Ag, 5.50% Pb and 20.44% Zn and DDH-U-085-23 with 1.50m @ 528 g/t Ag, 4.01% Pb and 7.47% Zn.
• Drilling on the Labor Este vein confirmed a 300 metre extension along strike and 100 metres down dip. New results include hole DDH-U-027-24 with 1.68m @ 332 g/t Ag, 6.77% Pb and 6.78% Zn.

DRILL RESULT HIGHLIGHT TABLES

Jacobina, Brazil

The following table provides infill and exploration drill result highlights for the Jacobina mine. Full infill and exploration drill results not included in this table, together with cross sections and plans, are available at https://panamericansilver.com/operations/exploration/.

El Peñon, Chile

The following table provides infill and exploration drill result highlights for the El Peñon mine. Full infill and exploration drill results not included in this table, together with longitudinal sections and plans, are available at https://panamericansilver.com/operations/exploration/.

La Colorada, Mexico

The following table provides the drill result highlights for the La Colorada mine. Full drill results not included in this table, together with cross sections and plans, are available at https://panamericansilver.com/operations/exploration/.

Huaron, Peru

The following table provides infill and exploration drill result highlights from the medium, lower and Horizonte sectors of the Huaron mine. Full drill and channel sampling results not included in this table, together with cross sections and plans, are available at https://panamericansilver.com/operations/exploration/.

General Notes with Respect to Technical Information

Grades are shown as contained metal before mill recoveries are applied. The Company has undertaken a verification process with respect to the data disclosed in this news release.

Samples are analyzed at a variety of laboratories, including by in-house staff at the mine (Jacobina and La Colorada), mine laboratories operated by third party independent commercial labs (Huaron), and commercial laboratories off-site (La Colorada, El Peñon and Jacobina). All the assay data reported in this news release has been subjected to the industry standard quality assurance and quality control ("QA/QC") program including the submission of certified standards, blanks, and duplicate samples. The results are reviewed on a monthly and quarterly basis by management. In general, the assay analytical technique for silver, lead, zinc and copper is acid digestion with either ICP or atomic absorption finish. The analytical technique for gold uses fire assay and atomic absorption spectrometry (AAS) finish. A gravimetric finish would be used if the gold assay exceeds > 10 g/t (or >5 g/t at El Peñon). The results of the QA/QC samples submitted for the resource databases demonstrate acceptable accuracy and precision. The offsite commercial laboratories are independent from Pan American and certified by ISO 17025:2017.

The Qualified Persons are of the opinion that the sample preparation, analytical, and security procedures followed for the samples are sufficient and reliable for the purpose of this news release and for the purpose of any future mineral resource and mineral reserve estimates. There were no limitations on the Qualified Persons' verification process. Pan American is not aware of any drilling, sampling, recovery or other factors that could materially affect the accuracy or reliability of the data reported herein.

Mineral resources and mineral reserves are as defined by the Canadian Institute of Mining, Metallurgy and Petroleum.

Contacts

Siren Fisekci

VP, Investor Relations & Corporate Communications

Ph: 604-806-3191

Email: [email protected]

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