San Lorenzo Gold Corp. Announces Advisory Engagement and Private Placement

CALGARY — December 11, 2025 — Leads & Copy — San Lorenzo Gold Corp. (TSXV: SLG) has agreed to an advisory engagement with Argonaut Corporate Finance Limited, pending TSX Venture Exchange approval.

Argonaut, part of Argonaut Limited, will provide strategic financial advice and guidance on exploration efforts at the Salvadora Gold/Copper project and other properties in Chile for an initial six-month term, extendable by mutual agreement. San Lorenzo also intends to complete a non-brokered private placement with participation from Argonaut and Argonaut Funds Management as cornerstone investors.

Argonaut will receive $5,000 per month and 1,000,000 advisory warrants, each entitling them to acquire a common share of San Lorenzo at $0.80 for two years. The private placement aims to raise up to $4,000,000 at $0.62 per unit, each consisting of one common share and one-half of a common share purchase warrant. Each whole warrant allows the holder to buy a common share at $0.80 for two years, with an acceleration clause if shares trade above $1.10.

The Argonaut Group will invest $2,000,000 in the offering. San Lorenzo may pay a cash commission or finder's fee of up to 6% and issue warrants representing 6% of common shares to qualified non-related parties. Proceeds will fund exploration at the Salvadora property and for general working capital. Tailwind Capital Neo Fund Ltd. has agreed to convert all advances made under two credit facilities into common shares. The Lender will be issued Units for fifty percent (50%) of the Indebtedness at the Offering price of $0.62 per Unit and the remaining fifty percent (50%) of the Indebtedness will be repaid in cash from the proceeds of the Offering.

Drilling is ongoing at the Cerro Blanco porphyry target, with results expected in January 2026.

For further information, please contact: Terence (Terry) Walker at twalker@goldenrock.cl or + 56 9 5179 5902; Roger Blair or Jeff Wilson, Acuity Advisory Corp. at info@acuityadvisorycorp.com or +1 604 351 0025 / +1 604 837 5440; or Al Kroontje at al@slgold.ca or +1 403 607 4009.

Source: San Lorenzo Gold Corp.