Mr. Enrico Gay reports

ALGO GRANDE COPPER ANNOUNCES UPSIZING OF PRIVATE PLACEMENT OF COMMON SHARES

In response to strong investor demand, Algo Grande Copper Corp. has upsized its previously announced non-brokered private placement of common shares in the capital of the company originally announced on Feb. 11, 2026.

The upsized offering raises the maximum aggregate gross proceeds from the sale of the shares from $5-million to up to $7-million. The upsized offering will consist of up to 10,769,231 shares at a price of 65 cents per share.

The upsized offering will finance the next phase of exploration at the company's 100-per-cent-owned Adelita project in Sonora, Mexico, focused on a phase 2 drill program. Phase 1 drilling at the Cerro Grande skarn intersected multiple stacked copper-gold-silver skarn horizons at depth, including skarn zones that had not been identified by historic drilling. The coming program will target expansion drilling at Cerro Grande and first-pass drilling along an approximately six-kilometre prospective limestone corridor hosting multiple, undrilled, outcropping skarn targets.

In connection with the upsized offering, the company may pay certain eligible finders a cash commission equal to 7 per cent of the aggregate gross proceeds raised from those purchasers introduced by such finder and issue that number of common share purchase warrants equal to 7 per cent 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 at an exercise price of 65 cents per finder warrant share for a period of 36 months from the date of issuance.

Additionally, Canaccord Genuity Corp. is acting as financial adviser to the company in connection with the upsized offering. The company shall pay Canaccord a corporate finance fee of $50,000 upon completion of the upsized offering. The corporate finance fee may be settled through the issuance of shares at a deemed price of 65 cents per share.

The company intends to use the net proceeds from the upsized offering to finance exploration activities and expenses relating to the Adelita project, including phase 2 drilling at Cerro Grande and along the broader skarn corridor, as well as for the payment of additional operating costs and general working capital requirements.

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 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). The company intends to rely on exemptions from the formal valuation and minority shareholder approval requirements of MI 61-101.

About Algo Grande Copper Corp.

Algo Grande is a growth-focused mineral exploration company advancing the Adelita project, a district-scale, multisystem copper-gold-silver opportunity positioned in the prolific Arizona-Sonora copper belt.

The company is dedicated to unlocking the full potential of this underexplored 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 six kilometres. Reprocessing of legacy geophysical data and field mapping indicate the presence of a potential porphyry system at depth, suggesting a classic skarn-porphyry mineralization model similar to major deposits found throughout northwestern Mexico.

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