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March 27, 2025– Vancouver, British Columbia - Pampa Metals Corp. (“Pampa Metals” or the “Company”) (CSE:PM / FSE:FIR / OTCQB:PMMCF) is pleased to advise that drill hole PIU-05 2025DDH (PIU-05), a significant step out from previous holes, intersected strong copper-gold mineralization and expanded the Piuquenes Central deposit to the south. The hole intersected moderate to intense porphyry A-type quartz stockwork veining and mineralization from 304m to 722m downhole and reported a significant mineralized interval as follows:
152m @ 0.40% Cu, 0.23 g/t Au, 2.15 g/t Ag (from 530m)
Including 50m @ 0.50% Cu, 0.29 g/t Au, 2.36 g/t Ag (from 596m)
In addition to hole PIU-05, hole PIU-08 was collared 370m to the northwest of PIU-05 and has encountered strong porphyry-style mineralization expected to further enhance definition of the southern margin of the Piuquenes Central system. Results for PIU-08 are pending.
Joseph van den Elsen, Pampa Metals President and CEO commented:
“We are very pleased to have extended the Piuquenes Central system to the south, with hole PIU-05 reporting broad intervals of porphyry style mineralization, including excellent high-grade sections. Additionally, the most recently completed hole (PIU-08), drilled to better define the southern margin of Piuquenes Central, encountered strong porphyry-style mineralization, and results are eagerly awaited. The Company is also looking forward to receiving the initial results from the first two holes (PIU-06 and PIU-07) drilled into the newly discovered second porphyry system at Piuquenes East”.
Piuquenes Copper-Gold Porphyry Project, San Juan, Argentina
Piuquenes is a newly discovered, gold rich copper porphyry deposit located immediately adjacent to the north of Aldebaran Resources’ (ALDE:TSX-V) giant Altar porphyry copper system. Other large porphyry copper projects in the San Juan Miocene porphyry belt include El Pachón (Glencore), approximately 30 km to the south, the operating Los Pelambres copper mine (60% Antofagasta plc) in Chile, and Los Azules (McEwen Mining) 50 km to the northeast. Corporate and exploration activity along the belt remains high, with major companies including Rio Tinto, South 32, BHP and Teck also active.
Diamond Drillhole PIU-05 2025DDH (PIU-05)
As previously reported (refer 10 January 2025 and 10 January 2025 News Releases), PIU-05 was a significant step-out, collared 220m east of PIU16-01DDH (558m @ 0.38% Cu, 0.42 g/t Au, including 130m @ 0.81% Cu, 0.6 g/t Au, refer 5 December 2023 News Release) and 270m southwest of PIU02-2024DDH (448m @ 0.42% Cu, 0.46 g/t Au, including 126m @ 0.66% Cu, 0.74 g/t Au, refer 6 May 2024 News Release).
Geology and Mineralization – Diamond Drillhole PIU-05
Drill hole PIU-05 drilled moderate to intense porphyry A-type quartz stockwork veining and mineralization from 304m to 722m downhole associated with potassic alteration of predominantly diorite porphyry host rock. The entire 418m interval assayed 0.27 % Cu and 0.12 g/t Au with higher grade intervals of 152m @ 0.40% Cu, 0.23g/t Au, 2.15g/t Ag from 530m, including 50m @ 0.50% Cu, 0.29 g/t Au, 2.36 g/t Ag from 596m, notable for their elevated bornite content. While chalcopyrite dominates bornite in the overall Piuquenes system, the correlation of bornite with higher grade sections of the deposit has important implications for project economics. Further technical work is being undertaken to better understand the controls and distribution of bornite in the Piuquenes Central system.
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ON BEHALF OF THE BOARD
Joseph van den Elsen | President & CEO | Joseph@pampametals.com
INVESTOR CONTACT
Jordan Webster | Jordan@pampametals.com
ABOUT PAMPA METALS
Pampa Metals is a copper-gold exploration company listed on the Canadian Stock Exchange (CSE:PM), Frankfurt (FSE: FIR), and OTC (OTCQB: PMMCF) exchanges.
In November 2023, the Company announced it had entered into an Option and Joint Venture Agreement for the acquisition of an 80% interest in the Piuquenes Copper-Gold Porphyry Project in San Juan Province, Argentina.
QUALIFIED PERSON
Technical information in this news release has been approved by Mario Orrego G. Mr. Orrego G. is a Geologist and Registered Member of the Chilean Mining Commission. He is a Qualified Person as defined by National Instrument 43-101. Mr. Orrego G. is a consultant to the Company.
Neither the CSE nor the Investment Industry Regulatory Organization of Canada accepts responsibility for the adequacy or accuracy of this release.
FORWARD-LOOKING STATEMENT
This news release contains certain statements that may be deemed "forward-looking statements". All statements in this release, other than statements of historical fact, that address events or developments that Pampa Metals expects to occur, are forward-looking statements. Forward-looking statements are statements that are not historical facts and are generally, but not always, identified by the words "expects" and similar expressions, or that events or conditions "will" or "may" occur. These statements are subject to various risks. Although Pampa Metals believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guaranteeing of future performance, and actual results may differ materially from those in forward-looking statements.
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