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<title>Sienna Corporate Update</title>
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<pubDate>Wed, 25 Mar 2026 21:06:00 GMT</pubDate>
<description>Vancouver, British Columbia--(Newsfile Corp. - March 25, 2026) - Sienna Resources Inc. (TSXV: SIE...</description>
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<title>Sienna Resources Inc. Announces a Flow-Through Private Placement</title>
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<pubDate>Thu, 12 Mar 2026 07:01:00 GMT</pubDate>
<description>Vancouver, British Columbia--(Newsfile Corp. - March 12, 2026) - Sienna Resources Inc. (TSXV: SIE...</description>
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<title>Sienna Resources Enters into Joint Venture Agreement to Test the Deep Basin Lithium Brine Discovery Potential in Clayton Valley, Nevada</title>
<link>https://6ix.com/company/sienna-resources-inc/news/sienna-resources-enters-into-joint-venture-agreement-to-test-the-deep-basin-lithium-brine-discovery-potential-in-clayton-valley-nevada</link>
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<pubDate>Wed, 28 Jan 2026 08:01:00 GMT</pubDate>
<description>Vancouver, British Columbia--(Newsfile Corp. - January 28, 2026) - Sienna Resources Inc. (TSXV: ...</description>
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<title>Sienna Resources Inc. Looking to Commence Operations in Nevada on Its Lithium Projects</title>
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<pubDate>Tue, 13 Jan 2026 08:01:00 GMT</pubDate>
<description>Vancouver, British Columbia--(Newsfile Corp. - January 13, 2026) - Sienna Resources Inc. (TSXV: S...</description>
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<title>Sienna Resources Inc. Closes Final Tranche of Private Placement to Fund Multiple Work Programs</title>
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<pubDate>Tue, 18 Nov 2025 08:01:00 GMT</pubDate>
<description>None of the securities issued have been registered under the United States Securities Act of 1933...</description>
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<title>Sienna Resources Inc. Confirms Availability of Annual General & Special Meeting Materials Due to Canadian Postal Strike</title>
<link>https://6ix.com/company/sienna-resources-inc/news/sienna-resources-inc-confirms-availability-of-annual-general-and-special-meeting-materials-due-to-canadian-postal-strike</link>
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<pubDate>Thu, 06 Nov 2025 23:45:00 GMT</pubDate>
<description>Vancouver, British Columbia--(Newsfile Corp. - November 6, 2025) - Sienna Resources Inc. (TSXV: ...</description>
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<title>Sienna Resources Inc. Closes First Tranche of Private Placement to Fund Multiple Work Programs</title>
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<pubDate>Tue, 28 Oct 2025 07:01:00 GMT</pubDate>
<description>Vancouver, British Columbia--(Newsfile Corp. - October 28, 2025) - Sienna Resources Inc. (TSXV: S...</description>
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<title>Sienna Resources Inc. Announces Private Placement to Fund Multiple Work Programs</title>
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<pubDate>Fri, 17 Oct 2025 20:46:00 GMT</pubDate>
<description>Vancouver, British Columbia--(Newsfile Corp. - October 17, 2025) - Sienna Resources Inc. (TSXV: S...</description>
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<title>Sienna Resources Inc. Renews All Nevada Lithium Claims as President Trump Looks to Take a Stake in Lithium Americas' Thacker Pass Lithium Deposit in Nevada</title>
<link>https://6ix.com/company/sienna-resources-inc/news/sienna-resources-inc-renews-all-nevada-lithium-claims-as-president-trump-looks-to-take-a-stake-in-lithium-americas-thacker-pass-lithium-deposit-in-nevada</link>
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<pubDate>Thu, 25 Sep 2025 12:02:00 GMT</pubDate>
<description>Vancouver, British Columbia--(Newsfile Corp. - September 25, 2025) - Sienna Resources Inc. (TSXV...</description>
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<title>Sienna Resources Inc. Acquires the Cave Creek Lithium Project in Elko County, Nevada</title>
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<pubDate>Thu, 28 Aug 2025 07:01:00 GMT</pubDate>
<description>Vancouver, British Columbia--(Newsfile Corp. - August 28, 2025) - Sienna Resources Inc. (TSXV: S...</description>
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<title>Sienna Resources Inc. Closes Private Placement</title>
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<pubDate>Tue, 17 Jun 2025 21:00:00 GMT</pubDate>
<description>Vancouver, British Columbia--(Newsfile Corp. - June 17, 2025) - Sienna Resources Inc. (TSXV: SIE...</description>
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<title>Sienna Resources Inc. Announces Private Placement</title>
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<pubDate>Fri, 30 May 2025 14:00:00 GMT</pubDate>
<description>Vancouver, British Columbia--(Newsfile Corp. - May 30, 2025) - Sienna Resources Inc. (TSXV: SIEN)...</description>
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<title>Sienna Resources Inc.: Corporate Update</title>
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<pubDate>Fri, 09 May 2025 17:10:00 GMT</pubDate>
<description>Vancouver, British Columbia--(Newsfile Corp. - May 9, 2025) - Sienna Resources Inc. (TSXV: SIE) ...</description>
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<title>Sienna Resources Inc. Corporate Update</title>
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<pubDate>Wed, 30 Apr 2025 00:27:00 GMT</pubDate>
<description>Vancouver, British Columbia--(Newsfile Corp. - April 29, 2025) - Sienna Resources Inc. (TSXV: SIE...</description>
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<title>Sienna Resources Inc.: Company Update</title>
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<pubDate>Thu, 17 Apr 2025 13:25:00 GMT</pubDate>
<description>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 in...</description>
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<title>RETRANSMISSION: Sienna Resources Drills Significant Sulphide Intersections at the Case Lake Project</title>
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<pubDate>Fri, 21 Mar 2025 07:01:00 GMT</pubDate>
<description>Completed 3 diamond drill holes totalling 1,026 metres. Intersected multiple horizons of strong ...</description>
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<title>Sienna Resources Drills Significant Sulphide Intersections at the Case Lake Project</title>
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<pubDate>Thu, 20 Mar 2025 07:01:00 GMT</pubDate>
<description>Completed 3 diamond drill holes totalling 1,026 metres. Intersected multiple horizons of strong ...</description>
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<title>Multi-Hole Drill Program Now Underway on "Case Lake West Cesium and Spodumene Pegmatite Project" in Ontario Bordering Power Metals Corp.'s Cesium Deposit</title>
<link>https://6ix.com/company/sienna-resources-inc/news/multi-hole-drill-program-now-underway-on-case-lake-west-cesium-and-spodumene-pegmatite-project-in-ontario-bordering-power-metals-corps-cesium-deposit</link>
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<pubDate>Thu, 06 Mar 2025 08:01:00 GMT</pubDate>
<description>Vancouver, British Columbia--(Newsfile Corp. - March 6, 2025) - Sienna Resources Inc. (TSXV: SIE)...</description>
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<title>Drill Contractor Engaged for "Case Lake West Cesium and Spodumene Pegmatite Project" in Ontario Bordering Power Metals Corp.'s Cesium Deposit</title>
<link>https://6ix.com/company/sienna-resources-inc/news/drill-contractor-engaged-for-case-lake-west-cesium-and-spodumene-pegmatite-project-in-ontario-bordering-power-metals-corps-cesium-deposit</link>
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<pubDate>Thu, 27 Feb 2025 08:01:00 GMT</pubDate>
<description>Vancouver, British Columbia--(Newsfile Corp. - February 27, 2025) - Sienna Resources Inc. (TSXV: ...</description>
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<title>RETRANSMISSION: Sienna Resources Receives Drill Permit on the "Case Lake West Cesium and Spodumene Pegmatite Project" in Ontario Bordering Power Metals Corp.'s Cesium Deposit</title>
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<pubDate>Tue, 18 Feb 2025 08:01:00 GMT</pubDate>
<description>Vancouver, British Columbia--(Newsfile Corp. - February 18, 2025) - Sienna Resources Inc. (TSXV: ...</description>
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