Mr. Aleksandar Miskovic reports

TERRA BALCANICA COMPLETES 1200 M OF PHASE III DRILLING AT SILVER-ANTIMONY TARGETS IN BOSNIA AND HERZEGOVINA

Terra Balcanica Resources Corp. has completed the first stage of its 2,100-metre phase 3 drilling program at the Brezani and Chumavichi targets within its polymetallic Viogor-Zanik project in Bosnia and Herzegovina.

Highlights:

• Approximately 1,200 metres of oriented, diamond core drilling was conducted at the Brezani and Chumavichi targets within Terra's 168-square-kilometre project in eastern Bosnia;
• Drill holes BRE25001 and BRE25001A, positioned 72 m northeast of the discovery hole BREDD002, which returned 19.6 m at 436 grams per tonne silver equivalent (see company news release dated Jan. 20, 2025), have both intercepted a 50- to 60-metre interval of retrograde altered skarn, the host of the previously reported 0.61 g/t gold equivalent over 88 m (see company news release dated Jan. 24, 2023), as well as several structural zones hosting intermediate sulphidation epithermal mineralization;
• Drill holes CMV25001 through 25004 have intercepted multiple zones of shallow, massive sulphide and quartz-sulphide, vein-hosted mineralization in the hanging and footwall of the southwest-dipping Chumavichi structure, all above 80-metre depth;
• Epithermal mineralization encountered at both targets is polymetallic (silver-antimony-zinc-lead-gold) as confirmed by sulphide observations and pXRF; key mineralized intervals have been sequentially sampled and are pending assay completion;
• The complete lithogeochemical assays will be reported after the laboratory data are received in their entirety.

Terra Balcanica chief executive officer Dr. Aleksandar Miskovic commented: "We are pleased to have completed over a half of the planned metreage despite numerous setback and technical challenges, which made the 2025 drilling campaign longer than anticipated. Moreover, we are pleased with the intercepted structures and mineralogies observed while logging the core both at Brezani and Chumavichi. The Terra exploration hypothesis about the extension of the base-metal-dominated, epithermal mineralization above the NE shallowing conductor at Brezani, which was initially interpreted to have served as a fault-hosted fluid conduit, continues to be refined in the light of new 3-D data. We will proceed towards testing the main Ag-Sb-Zn-As-Bi soil anomaly with additional drill holes. Simultaneously, we shall continue to push ahead with meaningful stepouts at the Chumavichi system towards NW. Our drilling team is set to resume the phase 3 operations in January of 2026 immediately after the laboratory assays are released to the public."

Phase 3 drilling

The 2025 drilling program follows up on high-grade, polymetallic mineralization, which Terra has previously discovered, namely at Brezani and Chumavichi targets, Viogor-Zanik project, eastern Bosnia. Phase 3 aims to increase geological knowledge at both localities, which have provided outstanding drilling results to date.

The Brezani discovery is a two-part story. Initial drilling revealed 88 m from surface of 0.61 g/t AuEq (0.60 g/t Au) within a retrograde altered skarn and hornfels package, which remains completely open along strike within an 850m long gold in soil anomaly. Deeper drilling in BREDD002 discovered an epithermal system, returning 19.6 m at 436 g/t AgEq with 2025 drilling intersecting similar styles of mineralization indicating the epithermal structures are numerous and trend toward surface where an epithermal assemblage soil anomaly exists, offering shallow follow-up targets.

The Chumavichi target represents a district-scale corridor of epithermal mineralization, with at least three separate vein systems confirmed by Terra's drilling to date. Previous drilling at Chumavichi returned grades of 824.2 g/t AgEq over four m (CMVDD001), 505.3 g/t AgEq over 11 m (CMVDD004) and 284 g/t AgEq over 10 m (CMVDD005; see news releases dated Sept. 8 and Oct. 22, 2022, and Feb. 2 and Feb. 27, 2023). Vein hosted mineralization remains open along strike and untested downdip and highlights clear exploration upside for discovery of further silver- and antimony-rich sulphides. The 2025 drilling at Chumavichi has encountered similar sulphides to previously reported drill holes, adding to the story at this exciting epithermal target.

Drilling progressed steadily despite challenging ground conditions with over 94-per-cent average core recovery achieved.

Qualified person

Dr. Aleksandar Miskovic, PGeo, is the company's designated qualified person for this news release within the meaning of National Instrument 43-101 (Standards of Disclosure of Mineral Projects). Dr. Miskovic has reviewed and validated the information contained in this news release as factual and accurate.

About Terra Balcanica Resources Corp.

Terra Balcanica is a polymetallic and energy metal exploration company targeting large-scale mineral systems in the Balkans of southeastern Europe and Northern Saskatchewan, Canada. The company has a 90-per-cent interest in the Viogor-Zanik project in eastern Bosnia and Herzegovina. The Canadian assets comprise a 100-per-cent-optioned portfolio of uranium prospective licences at the outskirts of the world-renowned Athabasca basin: Charlot-Neely Lake, Fontaine Lake, Snowbird and South Pendleton. The company emphasizes responsible engagement with local communities and stakeholders. It is committed to pro-actively implementing good international industry practice and sustainable health, safety and environmental management.

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