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Sienna Resources Receives Drill Permit on the "Case Lake West Cesium and Spodumene Pegmatite Project" in Ontario Bordering Power Metals Corp.'s Cesium deposit

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Vancouver, British Columbia--(Newsfile Corp. - February 14, 2025) - Sienna Resources Inc. (TSXV: SIE) (OTC Pink: SNNAF) (FSE: A1XCQ0) ("Sienna" or the "Company") is pleased to announce that Sienna has received the drill permit on its 100% owned 'Case Lake West Cesium and Spodumene Pegmatite Project' in Ontario. The Case Lake area of Ontario is one of the most highly prospective regions for cesium in North America. Management cautions that past results or discoveries on properties in proximity to Sienna may not necessarily be indicative of the presence of mineralization on the company's properties.

Jason Gigliotti, President of Sienna Resources stated, "We are very pleased to receive our drill permit. We want to thank the Ontario Government as well as our First Nations partners on this exciting first step towards a much larger goal of finding a new cesium discovery. We anticipate being able to commence drilling shortly. When you consider that this project directly borders Power Metals Corp, whose shares have increased an amazing 85% in just the past 12 trading days based on their Case Lake deposit news, we couldn't be more excited about getting this drill permit in hand and getting boots on the ground as soon as the driller can be mobilized. This is at a time when the junior markets are showing significant strength as we are moving into a phase of significant growth. These next few weeks/months will be a watershed mark for Sienna as we commence our first drill program in a long time."

The 'Case Lake Cesium Project', owned by Power Metals Corp., is a highly prospective lithium, cesium, and tantalum (LCT) project in northeastern Ontario, Canada. Here are some of the highlights:

  • High-grade mineralization: Recent drilling programs have consistently confirmed high-grade cesium mineralization, with standout results including up to 20.67% Cesium Oxide (Cs₂O). Exceptional Tantalum grades of up to 5328ppm have also been recorded.

  • Shallow mineralization: The cesium mineralization is often found at shallow depths, which could make the project more economically viable.

  • Multi-element potential: In addition to cesium, the project also contains significant lithium and tantalum mineralization, further enhancing its value.

  • World-class asset: The Case Lake project is considered a world-class asset due to the high grades and significant size of the deposit.

  • Strategic importance: The project's high-grade cesium and tantalum resources are strategically important for meeting the growing global demand for these critical minerals in advanced technologies.