July 31, 2025 – TheNewswire - Vancouver, British Columbia - Pampa Metals Corporation (“Pampa Metals” or the “Company”) (CSE: PM / FSE: FIR / OTCQB: PMMCF) is pleased to announce that it proposes to change its name to Andina Copper Corporation.

The change of name reflects the company’s evolution into a leading South American focused copper explorer holding two significant discoveries and a compelling undrilled copper-gold target along the world’s premier copper producing belt.

Joseph van den Elsen, Pampa Metals President and CEO commented: “The proposed name change to Andina Copper represents the start of a new chapter in the history of our Company as we execute a focused strategy to create substantial shareholder value through:

• Recommencing drilling at the Cobrasco copper-moly porphyry discovery in Chocó, Colombia. 

• Rapid exploration and advancement of the Piuquenes copper-gold porphyry project in San Juan, Argentina. 

• Initial assessment of the Mantau copper-gold prospect in Antofagasta, Chile. 

Interested parties can subscribe to our mailing list and follow our social media channels.

Mailing List: https://www.pampametals.com/sign-up.html
LinkedIn: https://www.linkedin.com/company/pampa-metals/?viewAsMember=true
X:  https://x.com/PampaMetals

The Canadian Securities Exchange will publish a bulletin announcing the effective date of the change in the Company's name and it is anticipated that the common shares of the Company will commence trading under its new name of Andina Copper Corporation on or about August 5, 2025. The Company's trading symbol will change to ANDC. The CUSIP and ISIN numbers will change to 03421C108 and CA03421C1086 respectively.

No action is required to be taken by shareholders with respect to the name change. Outstanding share and warrant certificates are not affected by the name change and do not need to be exchanged.

ON BEHALF OF THE BOARD |        Joseph van den Elsen | President & CEO | joseph@pampametals.com       

INVESTOR CONTACT | Jordan Webster | jordan@pampametals.com

Neither the CSE nor the Investment Industry Regulatory Organization of Canada accepts responsibility for the adequacy or accuracy of this release.

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, rapidly advancing two high potential copper discoveries in the prolific Andean porphyry belts of Argentina, Colombia. The Company has been actively drilling multiple porphyry copper-gold discoveries on the Piuquenes Copper-Gold Project in San Juan Province, Argentina under an Option and Joint Venture Agreement (earning an 80% interest) signed in November 2023.

In July 2025, Pampa Metals completed the acquisition of Rugby Resources (TSXV: RUG) and its Cobrasco and Mantau copper projects in Colombia and Chile respectively. Cobrasco is a new copper discovery of potential scale in the early stages of exploration.

FORWARD-LOOKING STATEMENT

This news release contains certain statements that may be deemed "forward statements". All statements in this release, other than statements of historical fact, that address events or 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 "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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