Mr. Simon Ridgway reports

RADIUS GOLD EXECUTES FORMAL OPTION AGREEMENT FOR 100% OF THE JONCO SILVER PROJECT, PERU

Radius Gold Inc. has executed a formal option agreement with Minera Joncijirca SAC for the Jonco silver project in central Peru.

As previously announced on Feb. 27, 2026, the binding letter of intent has now been formalized into a definitive agreement. The agreement grants Radius (through its subsidiary, Minera Aymara SAC) an exclusive option to acquire 100 per cent of the seven mining concessions comprising the Jonco silver project.

Transaction terms (as previously disclosed and now formalized)

Under the agreement, Radius may earn a 100-per-cent interest in the project over a five-year period commencing on the receipt of permits to drill the project through:

• Staged cash payments totalling $4.15-million (U.S.);
• $7-million (U.S.) in exploration expenditures;
• Issuance of 250,000 Radius common shares on a staged schedule.

Upon exercise of the option and acquisition of 100-per-cent ownership, the vendor will retain a 2-per-cent net smelter return royalty, reducible by 0.5 per cent for a one-time payment of $1-million (U.S.). The project is also subject to an existing 1.25-per-cent NSR royalty held by Compania de Minas Buenaventura SAA on two concessions.

The TSX Venture Exchange has accepted the agreement and Radius has issued the initial 50,000 common shares to the vendor. The shares have a regulatory-prescribed resale restriction until Nov. 10, 2026. The company will also make the initial $50,000 (U.S.) cash payment to the property vendor.

About the Jonco silver project

The project hosts a large-scale polymetallic silver-gold-lead-zinc system associated with dacite flow domes and diatreme breccias. It covers 3,830 hectares with multiple drill and geophysical targets, 11 historic drill holes (3,195 metres), and significant potential for bulk-tonnage mineralization. Additional details, including historical drill results and geological highlights, are set out in the company's Feb. 27, 2026, news release and on the Radius website.

"Execution of this agreement is an important milestone for Radius as we secure formal access to the Jonco silver project," commented Luke Longridge, president of Radius Gold. "We are now positioned to advance surface exploration and target refinement, and I look forward to working with our team and other stakeholders as we progress through the permitting process."

Qualified person

Dr. Luke Longridge, PhD, PGeo, is the president of Radius and is Radius's qualified person as defined by National Instrument 43-101, Standards of Disclosure for Mineral Projects. Dr. Longridge has reviewed and approved the technical information contained in this news release.

About Radius Gold Inc.

Radius Gold is an exploration company focused on the discovery and advancement of high-quality projects in the Americas. The company's strategy is to identify, acquire and advance exploration opportunities with strong discovery potential.

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