RESUBMISSION: Allied Critical Metals Strengthens Borralha Project with Broad Tungsten Intercepts at Santa Helena Breccia, Including 15.8 Metres at 0.36% WO3 and 25.6 Metres at 0.25% WO3

Four additional drill holes at the Santa Helena Breccia support the continuity of a broad tungsten mineralization within the current Mineral Resource envelope, reinforcing the geological and mineralization model underpinning the Borralha PEA and advancing the deposit toward higher-confidence resource categories and feasibility-level studies. Together with the previously reported Bo_13/26 , which intersected 81.5 metres grading 0.22% WO₃ (estimated true width), including 23.8 metres grading 0.68% WO₃ and 4.0 metres grading 2.96% WO₃ , the 2026 results continue to indicate broad mineralized intervals containing internal higher-grade tungsten zones across the Santa Helena Breccia.

The drilling campaign at the Santa Helena Breccia is designed to increase confidence in the current Mineral Resource Estimate, support resource conversion and mine planning, and provide geotechnical and metallurgical information for ongoing technical studies. The Santa Helena Breccia drilling is now focused on systematically de-risking the Borralha Project, increasing Mineral Resource confidence while generating the geological, geotechnical, metallurgical and mine-planning data required to advance the project toward feasibility. The Borralha Project is advancing on two parallel fronts: development-focused drilling at the Santa Helena Breccia to de-risk the current PEA development case, and district-scale exploration at the newly discovered Venise Breccia, approximately 400 metres northwest, targeting potential growth beyond the mineralized system currently included in the PEA.

In parallel with the Santa Helena Breccia program, Allied continues to advance exploration at the newly discovered Venise Breccia, approximately 400 metres northwest of the Santa Helena Breccia . Vancouver, British Columbia--(Newsfile Corp. - September 18, 2026) - Allied Critical Metals Inc. (CSE: ACM) (OTCQB: ACMIF) (FSE: 0VJ0) (" Allied " or the " Company ") is pleased to announce assay results from four additional drill holes from the Company's 2026 drilling campaign at the Santa Helena Breccia, the deposit supporting the Company's recent preliminary economic assessment of the Borralha Project (the " PEA ") [1] entitled "NI 43-101 Technical Report Preliminary Economic Assessment, Borralha Tungsten Project, Parish of Salto, District of Vila Real, Portugal", dated effective April 14, 2026, which is published on the Company's website at www.alliedcritical.com and under its profile on SEDAR+ at www.sedarplus.ca .

The latest results from drill holes Bo_14/26, Bo_16/26, Bo_18/26 and Bo_19/26 continue to intersect broad tungsten mineralization within the Santa Helena Breccia. The results are generally consistent with the geometry and grade distribution represented in the current Mineral Resource model and provide additional drilling information to support ongoing resource conversion, mine planning, geotechnical characterization and metallurgical variability studies. The new drilling continues to demonstrate the characteristic mineralization architecture observed at the Santa Helena Breccia, comprising broad mineralized intervals containing narrower higher-grade tungsten zones. This geometry is consistent with the bulk underground mining approach evaluated in the Borralha PEA.

"These latest results are encouraging to see as we move the Borralha Project beyond the PEA and progressively de-risk the Santa Helena Breccia," commented Roy Bonnell, CEO and Director of Allied Critical Metals . "We continue to intersect broad zones of tungsten mineralization containing meaningful higher-grade internal intervals, reinforcing our geological model and providing the additional technical information required for resource conversion, mine planning, geotechnical engineering and metallurgical work".

"Importantly, Borralha is advancing on two fronts simultaneously. At the Santa Helena Breccia, we are systematically increasing confidence in the deposit that underpins our cur...