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ALGR.V ·

Algo Grande Copper Announces Upsizing of Private Placement

Financings

LEGAL_50327498.1

Algo Grande Copper Announces Upsizing of Private Placement

THIS NEWS RELEASE IS NOT FOR DISTRIBUTION TO U.S. NEWSWIRE SERVICES FOR

DISSEMINATION IN THE UNITED STATES

VANCOUVER, BC – August 26, 2026 – Algo Grande Copper Corp. (“ Algo Grande” or the

“Company”) (TSX-V: ALGR; OTC: ALGRF ; FRA: KM00) is pleased to announce that in

response to strong demand, it has upsized its previously announced non-brokered private

placement (the “Upsized Offering”) of common shares in the capital of the Company (the

“Shares”) originally announced on August 13, 2026.

The Upsized Offering raises the maximum aggregate gross proceeds from the sale of the

Shares from $3,000,000 to up to $5,000,000. The Upsized Offering will now consist of up to

8,333,333 Shares at a price of $0.60 per Share. The use of proceeds from the Upsized

Offering will be used to fund ongoing drilling and exploration on the Company’s 100%-owned

Adelita Project in Sonora , as well as for the payment of additional operating costs and

general working capital requirements.

In connection with the Upsized Offering, the Company may pay certain eligible finders (each,

a “ Finder”) a cash commission equal to 6% of the aggregate gross proceeds raised from

those purchasers introduced by such Finder and issue that number of common share

purchase warrants (each, a “ Finder Warrant ”) equal to 6% of the number of Shares

purchased by those purchasers introduced by such Finder. Each Finder Warrant will entitle

the holder thereof to acquire a Share (each, a “ Finder’s Warrant Share ”) at an ex ercise

price of $0.75 per Finder’s Warrant Share for a period of 24 months from the date of

issuance.

Securities issued in the Upsized Offering will be subject to a four-month hold period in

accordance with applicable securities laws, which will expire four months and one day from

the date of closing of the Upsized Offering. The Upsized Offering is not subject to a minimum

aggregate number of subscriptions. The Upsized Offering is subject to certain conditions

including, but not limited to, receipt of all necessary approvals, including approval of the

TSX Venture Exchange.

The Company expects that certain insiders of the Company (the “Insiders”) may participate

in the Upsized Offering. The participation of Insiders may constitute a “related party

transaction” within the meaning of Multilateral Instrument 61 -101 – Protection of Minority

Security Holders in Special Transactions (“MI 61-101”). The Company intends to rely on

exemptions from the formal valuation and minority shareholder approval requirements of

MI 61-101.

This news release does not constitute an offer to sell or a solicitation of an offer to buy any

of the securities in the United States. The securities have not been and will not be registered

under the United States Securities Act of 1933, as amended (the “ U.S. Securities Act”), or

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any state securities laws, and may not be offered or sold within the United States or to U.S.

persons unless registered under the U.S. Securities Act and applicable state securities laws

or an exemption from such registration is available.

About Algo Grande Copper Corp.

Algo Grande Copper Corp. is a growth-focused mineral exploration company advancing the

Adelita Project, a district -scale, multi-system copper-gold-silver opportunity positioned in

the prolific Arizona-Sonora copper belt.

Algo Grande is dedicated to unlocking the full potential of this under -explored corridor

through disciplined data-driven exploration, technical excellence, and a firm commitment

to value creation for shareholders. The 5,895 -hectare Adelita Project is anchored by the

high-grade Cerro Grande Cu -Au-Ag skarn discovery, which exhibits strong continuity along

a defined corridor extending over 6 kilometers. Reprocessing of legacy geophysical data and

field mapping indicate the presence of a potential porphyry syst em at depth, suggesting a

classic skarn -porphyry mineralization model similar to major deposits found throughout

northwestern Mexico.

ON BEHALF OF ALGO GRANDE COPPER CORP.

Enrico Gay

Chief Executive Officer

For more information, please contact:

E-mail: [email protected]

Website: www.algo-grande.com

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.

Cautionary Statement on Forward-Looking Information

This news release contains statements and information that, to the extent that they are not

historical fact, constitute “forward -looking information” within the meaning of applicable

securities legislation. Forward-looking information is based on the reasonable assumptions,

estimates, analysis and opinions of management made in light of its experience and its

perception of trends, current conditions and expected developments, as well as other

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factors that management believes to be relevant and reasonable in the circumstances at the

date that such statements are made, but which may prove to be incorrect. Forward-looking

information involves known and unknown risks, uncertainties and other factor s that may

cause the actual results, performance or achievements of the Algo Grande to differ

materially from any future results, performance or achievements expressed or implied by

the forward -looking information, including, but not limited to, statements relating to the

completion of the Upsized Offering, regulatory approvals for the Upsized Offering and the

anticipated use of proceeds therefrom, and those listed in filings made by Algo Grande with

the Canadian securities regulatory authorities (which may be viewed at www.sedarplus.ca).

Accordingly, readers should not place undue reliance on any such forward -looking

information. Further, any forward -looking statement speaks only as of the date on which

such statement is made. New factors emerge from time to time, and it is not possible for

Algo Grande’s management to predict all of such factors and to assess in advance the

impact of each such factor on Algo Grande’s business or the extent to which any factor, or

combination of factors, may cause actual results to differ materially from those contained

in any forward - looking statements. Algo Grande does not undertake any obligation to

update any forward -looking information to reflect information, events, results,

circumstances or otherwise after the date hereof or to reflect the occurren ce of

unanticipated events, except as required by law including securities laws.