Mr. Dustin Nanos reports

GOLDEN GOOSE RESOURCES SIGNS DEFINITIVE AGREEMENT TO ACQUIRE UP TO 100% OF THE HIGH-GRADE GRAN ESPERANZA GOLD PROJECT IN RIO NEGRO PROVINCE, ARGENTINA

Golden Goose Resources Ltd. has entered into a definitive agreement with Valcheta Exploraciones SAS to acquire an up-to-100-per-cent interest in the Gran Esperanza project, a highly prospective epithermal gold-silver property located in Rio Negro province, Argentina. The execution of the definitive agreement represents a significant corporate milestone for Golden Goose and further reinforces the company's strategy of securing district-scale, high-grade precious metal assets in proven and emerging mining jurisdictions.

Project highlights -- high-grade, district-scale opportunity

Gran Esperanza project -- Rio Negro, Argentina:

• Approximately 44,400 hectares of year-round accessible terrain in Los Menucos district, North Patagonian massif, a region known for its high-grade precious metal potential;
• Surrounded by major operators, including Southern Copper, and located near the Calcatreu project, which is currently under development;
• 10 kilometres of historically mapped low-sulphidation epithermal gold vein exposures, with veins averaging approximately one to five metres in apparent width:
  • 2,900 metres of trenching with 690 channel samples collected;
  • Channel sample grades reported up to 2.0 m at 24.0 grams per tonne gold, demonstrating high-grade potential from surface;
• Several drill-ready targets in an extremely attractive precious metal district.

Project scale, access and geological upside:

• Approximately 44,400 hectares of year-round accessible terrain in Los Menucos district within the North Patagonian massif;
• Benefits from excellent infrastructure -- situated approximately two kilometres from a paved highway, with gentle topography and numerous secondary roads across the property;
• Adjacent to a gold project currently being drilled by Southern Copper, highlighting the district's active and growing exploration profile;
• The project's extensive land position and the distribution of mapped epithermal veins across the property highlight the potential for district-scale mineralization at Gran Esperanza.

Historical exploration at the Gran Esperanza project:

• Mapped approximately 10-kilometre trend with low-sulphidation epithermal veins;
• Veins average approximately one to five metres in width, with exposed vein strike lengths ranging from 50 to 2,500 metres;
• 30 trenches excavated, exposing 2,937 metres (apparent length) of epithermal veins;
• 690 continuous channel samples collected;
• 1,674 total rock samples, including grab, chip, channels and float;
• Veins characterized by drusy quartz, banding, crustiform and carbonate replacement;
• Historical surface sampling highlights include:
  • Channels:
    • 2.0 metres at 24.0 g/t gold;
    • 5.0 metres at 13.1 g/t Au;
    • 1.3 metres at 11.5 g/t Au;
    • 3.0 metres at 4.4 g/t Au;
    • 0.2 metre at 99.0 g/t silver and 2.8 per cent copper;
    • 1.2 metres at 129.0 g/t Ag and 3.5 per cent Cu;
    • 0.3 metre at 52.0 g/t Ag;
  • Rock chip samples:
    • Grades of up to 24.4 g/t Au.

Golden Goose management site visit at Gran Esperanza

Prior to execution of the definitive agreement, Golden Goose completed a comprehensive technical and legal due diligence process, including a detailed review of historical data, surface geology, sampling records, land tenure, permitting status and third party technical reports.

As part of this process, the company conducted a site visit in December, 2025, during which four rock chip samples were collected from exposed mineralized veins. Three chip samples returned gold values above 2.0 g/t Au, including one sample grading 14.34 g/t Au, providing confirmation of the high-grade potential in the mineralized system.

Option terms

Under the definitive agreement, Golden Goose may earn an up-to-100-per-cent interest in the Gran Esperanza project through a staged option consisting of cash payments and exploration expenditures.

The project is subject to a 1.0-per-cent net smelter return royalty, of which Golden Goose has the right to purchase 0.5 per cent for $1.0-million (U.S.).

Golden Goose retains full flexibility to accelerate option payments or exploration expenditures at its discretion, allowing the company to advance the project on an accelerated timeline if warranted by results. Exploration expenditures may be substituted, in whole or in part, with cash payments to Valcheta.

Joint venture structure -- clear path to 100-per-cent ownership

Upon exercising the first option, Golden Goose and Valcheta will form a joint venture, with Golden Goose acting as operator and holding a 51-per-cent interest. Alternatively, the company may elect to proceed directly to a 90-per-cent ownership position by exercising the second option, thereby deferring joint venture formation. Upon exercising the third option, Golden Goose will hold a 100-per-cent undivided interest in the project.

Management commentary

Dustin Nanos, chief executive officer of Golden Goose Resources, commented: "Signing the definitive agreement for Gran Esperanza represents an important milestone and transformative step for Golden Goose. The project stands out due to its favourable structural and geological setting, confirmation of numerous surface-exposed vein networks, excellent historical reported grades, and outstanding site access. During a site visit in December, our team visited confirmed gold mineralized veins on the property. Despite being preliminary, these results and observed vein density are very encouraging. The information collected to date positions Gran Esperanza as a compelling, drill-ready exploration project with the potential to rapidly deliver high-impact results. We look forward to advancing the project through systematic surface exploration programs on the property."

Qualified person

The technical content of this news release has been reviewed and approved by Marie-Pier Boivin, PGeo, senior geologist at Dahrouge Geological Consulting Ltd., a consultant of the company, a qualified person pursuant to National Instrument 43-101.

Quality control

During the December, 2025, site visit by the company, four rock chip samples were collected from exposed mineralized veins at the Gran Esperanza project. Chip samples were collected along continuous sections perpendicular to the mapped veins, transferred into sample bags with unique sample ID tags and sealed, before being sent to a certified commercial laboratory (ASI Laboratories, Mendoza, Argentina). The gold analyses were completed by fire assay with atomic absorption finish on 50 grams of material (method Au4-50). The company has relied on the internal lab quality assurance/quality control procedures for the surface sample analysis. ASI Argentina is independent of the company.

About Golden Goose Resources Ltd.:

• Goldfire claims -- Quebec, Canada:
  • 83 claims covering approximately 15 kilometres within the Urban-Barry greenstone belt;
  • Early-stage exploration ground located near the Windfall project (Gold Fields Ltd.) currently under development;
  • Excellent access to expanding infrastructure, including power, roads and nearby mills;
  • First-mover advantage within an active and highly competitive discovery corridor;
• Capital structure:
  • Shares outstanding: 63.6 million;
  • Fully diluted: approximately 102.2 million;
  • Warrants: 32.7 million exercisable at 34 cents;
  • Options: 5.9 million exercisable at 14 cents;
  • Insider ownership: 30 per cent.

We seek Safe Harbor.