

Vancouver, British Columbia--(Newsfile Corp. - August 13, 2026) - Tier One Silver Inc. (TSXV: TSLV) (OTCQB: TSLVF) (FSE: TOV0) ("Tier One" or the "Company") is pleased to announce that it has engaged 3L Capital Inc. ("3L") as lead agent and on behalf of any other approved agents (collectively the "Agents"), to offer on a best efforts private placement basis (the "Offering") common equity units of the Company (each, a "Unit"). The Units will be offered at a price of C$0.07 per Unit (the "Issue Price") for minimum gross proceeds of C$12 million and a maximum of C$17 million subject to the over-allotment option described below.

Vancouver, British Columbia--(Newsfile Corp. - June 30, 2026) - Tier One Silver Inc. (TSXV: TSLV) (OTCQB: TSLVF) (FSE: TOV0) ("Tier One" or the "Company") is pleased to announce that on June 28, 2026 it entered into a letter of intent (the "LOI") to conditionally acquire a 70% controlling interest in a private Ecuadorian mining company, Compañía Minera Ruta de Cobre S.A. ("RDC Project Co").

Vancouver, British Columbia--(Newsfile Corp. - June 11, 2026) - Tier One Silver Inc. (TSXV: TSLV) (OTCQB: TSLVF) (FSE: TOV0) ("Tier One" or the "Company") is pleased to announce the second and final round of assay results from its Phase 2, eight diamond core drill program at its high-grade Curibaya epithermal silver-gold-copper project located in Tacna, Peru. All four of the final holes drilled in the Cambaya I corridor intercepted silver and gold with highlights including 1.0 metre ("m") of 448.2 grams per tonne ("g/t") silver ("Ag") and 0.37 g/t gold ("Au"), within a broader interval of 4.0 m of 136.2 g/t Ag and 0.15 g/t Au, in hole 26CUR-023, the seventh hole of the program.

Advances additional drill permits to significantly expand drilling capabilities at Curibaya Highlights Initial assay results from the first four diamond drill holes of Phase 2 drilling confirmed high-grade silver-gold mineralization within the Cambaya I corridor, including: 0.7 metres ("m") of 1,015 grams per tonne ("g/t") silver ("Ag") and 4.52 g/t gold ("Au"), within a broader interval of 2.7 m of 284.4 g/t Ag and 1.29 g/t Au, in hole 26CUR-018, the second hole of Phase 2 drilling. Results support continuity of precious metals mineralization across multiple corridors, with approximately 6 kilometres ("km") of mineralized structures identified to date.

Vancouver, British Columbia--(Newsfile Corp. - January 8, 2026) - Tier One Silver Inc. (TSXV: TSLV) (OTCQB: TSLVF) (FSE: TOV0) ("Tier One" or the "Company") is pleased to announce that it has commenced preparations to drill the Cambaya target area of its high-grade Curibaya epithermal silver-gold-copper project located in Tacna, Peru (Figure 1) through its wholly owned Peruvian subsidiary, Magma Minerals S.A.C. The diamond drill program ("Phase 2 Drilling"), which will be the first follow up drilling on the Curibaya project since the Company's successful inaugural drill program was completed in 2021 (see result highlights below), is targeted to be completed in Q1 2026.

Vancouver, British Columbia--(Newsfile Corp. - January 2, 2026) - Tier One Silver Inc. (TSXV: TSLV) (OTCQB: TSLVF) (FSE: TOV0) ("Tier One" or the "Company") is pleased to provide a recap of the Company's achievements in 2025 and to share its positive outlook as it advances toward key catalysts in 2026, including the recommencement of drilling at its flagship Curibaya project, in Southern Peru and the evaluation of targeted project acquisition opportunities to strengthen the Company's portfolio. "2025 was a foundational year for Tier One Silver — we strengthened our financial position, deepened community partnerships, and set the stage for further exploration at our flagship, Curibaya project.

Vancouver, British Columbia--(Newsfile Corp. - December 16, 2025) - Tier One Silver Inc. (TSXV: TSLV) (OTCQB: TSLVF) (FSE: TOV0) ("Tier One" or the "Company"), through its Peruvian subsidiary Magma Minerals S.A.C., is pleased to announce the renewal of its social access agreement with the local Chipispaya community at its flagship Curibaya project in southern Peru.

Vancouver, British Columbia--(Newsfile Corp. - November 14, 2025) - Tier One Silver Inc. (TSXV: TSLV) (OTCQB: TSLVF) ("Tier One" or the "Company") is pleased to announce the voting results for the election of its Board of Directors at the Annual General Meeting (the "Meeting") of Shareholders held on November 7, 2025, in Vancouver, British Columbia. The director nominees as listed in the Company's Information Circular dated September 24, 2025, and SEDAR+ filed September 29, 2025 (the "Circular"), were elected as directors of the Company at the Meeting to serve until the next Meeting.