Mr. Tony Reda reports

TECTONIC METALS TO HOST SECOND "VIRTUAL DRILL CORE SHACK" WEBCAST ON DECEMBER 3, 2025

Tectonic Metals Inc., following strong interest in its inaugural event held on Sept. 4, 2025, will host a second virtual drill core shack webcast on Wednesday, Dec. 3, 2025 (see webcast presentation and details below).

This interactive webcast will include an informal technical discussion of drill core and geological observations from Tectonic's 2025 phase 2 drill program at the Flat gold project in southwestern Alaska.

Virtual drill core shack phase 2 -- format and focus

During the webcast, members of Tectonic's technical team will:

• Review photographs of drill core highlights from the 2025 phase 2 drill program at Flat;
• Discuss key geological observations, including lithologies, alteration, veining styles, mineralogy and sectional interpretations;
• Provide context on how these observations inform Tectonic's current geological model and future targeting;
• Answer live questions focused on technical aspects of the drilling and geology.

The discussion will concentrate on drill holes and areas drilled during phase 2, for which all assay results are pending. No new material exploration results will be released during the webcast beyond what has been disseminated via news release.

Presentation materials to be referenced during the webcast will be made available in advance and can be accessed on-line.

Webcast details

Event:  Tectonic Metals -- second virtual drill core shack

Date:  Wednesday, Dec. 3, 2025

Time:  7 a.m. Pacific Time (8 a.m. Mountain Time) (10 a.m. Eastern Time)

Register on-line for access to the virtual drill core shack webcast.

Qualified person

Tectonic Metals' disclosure of technical or scientific information in this news release has been reviewed, verified and approved by Peter Kleespies, MSc, PGeo, vice-president of exploration, who is a qualified person in accordance with Canadian regulatory requirements set out in National Instrument 43-101.

We seek Safe Harbor.