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September 25,  2025 – Sienna Resources Inc. (SIEN—TSX.v, SNNAF—OTCID, A418KR—WKN) (the “Company” or “Sienna”) Sienna Resources Inc. pleased to announce that it has renewed all of its lithium claims in…

August 28, 2025 – Sienna Resources Inc. (SIEN—TSX.v, SNNAF—OTCID, A418KR—WKN) (the “Company” or “Sienna”) Sienna Resources Inc. has entered into an options agreement to acquire a 100-per-cent interest in the…

VANCOUVER, BC, June 17, 2025 – Sienna Resources Inc. (TSX.V: SIEN) (FSE: A1XCQ0), (the “Company” or “Sienna”) is pleased to announce it has closed a non-brokered private placement under the…

VANCOUVER, BC, May 30, 2025 – Sienna Resources Inc. (TSX.V: SIEN) (FSE: A1XCQ0), (the “Company” or “Sienna”) has arranged a non-brokered listed issuer financing exemption (LIFE) private placement to raise…

VANCOUVER, BC, May 9, 2025 – Sienna Resources Inc. (TSX.V: SIE) (OTC Pink: SNNAF) (FSE: A1XCQ0), (the “Company” or “Sienna”) announces that, further to the Company’s news release dated April…

VANCOUVER, BC, April 29, 2025 – Sienna Resources Inc. (TSX.V: SIE) (OTC Pink: SNNAF) (FSE: A1XCQ0), (the “Company” or “Sienna”) announces that it intends to complete a consolidation of its…

Intersected 2.8 g/t Ag over 6m including 8.3 g/t Ag over 1.5m Intersected 0.6 g/t Ag over 36m including 1.0 g/t Ag over 13.5m Polymetallic VMS system identified from maiden…

Completed 3 diamond drill holes totalling 1,026 metres. Intersected multiple horizons of strong mineralization including disseminated and semi-massive to massive sulphide hosted in fine- to medium-grained volcanic rocks. 117 core…

March 6, 2025. Sienna Resources Inc. (“Sienna” or the “Company”) (SIE—TSX.v, SNNAF—USA, A1XCQ0–Germany) is pleased to announce that the multi- hole drill program is now underway on Sienna’s 100% owned ‘Case…