File: '\\swfile\EmailIn\20251114 152822 Attachment 2025-11-14 NR re extends Offering - final.docx'

Altiplano Metals Inc.

250 Southridge NW, Suite 300

Edmonton, AB

Canada

T6H 4M9

Altiplano Announces Extension of Private Placement

Edmonton, Alberta - November 14, 2025 - Altiplano Metals Inc. (TSXV: APN) (WKN: A2JNFG) ("Altiplano" or the "Company") announces that, in connection with its non-brokered private placement (the "Offering") announced on October 10, 2025, the Company has applied to the TSX Venture Exchange for a further four-week extension of price protection, to December 9, 2025, in order to complete subscriptions.

The Offering consists of up to 30,000,000 units (the "Units") at C$0.05 per Unit to raise up to C$1,500,000 in gross proceeds. Each Unit will consist of one (1) common share and one half (1/2) non-transferable share purchase warrant (the "Warrants") of the Company. Each Warrant will be exercisable to acquire one (1) additional common share at a price of C$0.075 per share for two years from the closing date of the Offering.

The Offering is subject to certain conditions including, but not limited to, the receipt of all necessary approvals including the approval of the TSX Venture Exchange. All the securities issued pursuant to this Offering will have a hold period expiring four months and a day after the closing date. The net proceeds of the Offering will be used to funds exploration and development of the Company's projects, and for general working capital. The Company may pay finder's fees raised in connection with the financing to arm's length finders in accordance with the policies of the TSX Venture Exchange and as permitted by law.

About Altiplano

Altiplano Metals is a growing gold, silver, and copper company focused on the Americas. The Company has a diversified portfolio of assets that include exploration properties, a developing copper/gold/iron mine and a state-of-the-art operating copper/gold and iron processing facility. Altiplano is focused on creating long-term stakeholder value through developing safe and sustainable production, reinvesting into exploration and development, and pursuing acquisition opportunities to provide scalable upside opportunities. Management has a substantial record of success in capitalizing on opportunity, overcoming challenges and building shareholder value

ON BEHALF OF THE BOARD

/s/ "John Williamson"

Chairman

For further information, please contact:

Alastair McIntyre, CEO

alastairm@apnmetals.com

Tel: (416) 434 3799

www.metalsgroup.com

Altiplano is part of the Metals Group of Companies, led by a dynamic group of resource sector professionals with a long record of success in evaluating and advancing mining projects from exploration through to production, attracting capital, and overcoming adversity to deliver exceptional shareholder value.

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the (TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

Forward-Looking Statements This news release may contain certain "forward looking statements" or "forward-looking information" within the meaning of applicable securities laws. Such statements and information involve known and unknown risks, uncertainties and other factors that may cause the actual results, performance or achievements of the Company, its projects, or industry results, to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements or information. Such statements can be identified by the use of words such as "may", "would", "could", "will", "intend", "expect", "believe", "plan", "anticipate", "estimate", "scheduled", "forecast", "predict" and other similar terminology, or state that certain actions, events or results "may", "could", "would", "might" or "will" be taken, occur or be achieved. These statements reflect the Company's current expectations regarding future events, performance and results and speak only as of the date of this release.

Forward-looking statements in this press release are subject to a variety of risks and uncertainties and other factors that could cause actual events or results to differ materially from those projected in the forward-looking statements. These include, but are not limited to, structure and terms of the Offering, the anticipated closing date of the Offering, the intended use of proceeds of the Offerings, and approval of the Offerings by the TSX Venture Exchange, risks associated with the mining industry in general, the exploration and development of mineral properties, the Company's ability to obtain necessary financing, and general economic, market or business conditions. There can be no assurance that such information will prove to be accurate, as actual results and future events could differ materially from those anticipated in such information. Accordingly, readers should not place undue reliance on forward-looking information. All forward looking information contained in this press release is given as of the date hereof and is based upon the opinions and estimates of management and information available to management as at the date hereof. Other factors which could materially affect such forward-looking information are described in the risk factors in the Company's most recent annual management's discussion and analysis which is available on the Company's profile on SEDAR+ at www.sedarplus.ca. The Company disclaims any intention or obligation to update or revise any forward-looking information, whether as a result of new information, future events or otherwise, except as required by law.

Not for distribution to United States newswire services or for dissemination in the United States.