Sienna Commences Drone Survey in Finland

Vancouver, British Columbia--(Newsfile Corp. - July 20, 2021) - Sienna Resources Inc. (TSXV: SIE) (OTC Pink: SNNAF) (FSE: A1XCQ0) ("Sienna" or the "Company") is pleased to announce that it has now commenced a drone program in Finland on Sienna's Kuusamo platinum group elements (PGE) project. This drone survey will assist in determining the highest priority drill targets.

Jason Gigliotti, President of Sienna states, "We are pleased to have commenced our field work in Finland. Finland has seen a global focus on mining in recent years and is listed as one of the best mining jurisdictions in the world. We have been methodically working on this project and are very excited to now be underway on this project that surrounds the LK Project being advanced by Palladium One Mining Inc. Sienna is currently active on two projects in Scandinavia and expects to commence operation in Ontario shortly giving Sienna multiple projects simultaneously underway."

Figure 1

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About Sienna Resources Inc.

Sienna Resources is focused on exploring for and developing high-grade deposits in politically stable, environmentally responsible and ethical mining jurisdictions. Sienna is partnered with a New York Stock Exchange-listed mining company on two separate projects in Scandinavia including the past-producing Bleka and Vekselmyr orogenic gold projects in southern Norway which are both greenstone-hosted gold systems, and the Kuusamo platinum group elements (PGE) project in Finland directly bordering the LK Project being advanced by Palladium One Mining Inc. In North America, Sienna's projects include the Marathon North platinum-palladium property in Northern Ontario directly bordering Generation Mining Ltd.'s 7.1-million-ounce palladium-equivalent Marathon deposit. Sienna also has the Clayton Valley Deep Basin Lithium Project in Clayton Valley, Nev., home to the only lithium brine basin in production in North America, in the direct vicinity of Albemarle Corp.'s Silver Peak deposit and Tesla Motors Inc.'s Gigafactory. Management cautions that past results or discoveries on properties in proximity to Sienna may not necessarily be indicative to the presence of mineralization on the company's properties.

The technical contents of this release were approved by Greg Thomson, PGeo, a qualified person as defined by National Instrument 43-101.

If you would like to be added to Sienna's email list please email info@siennaresources.com for information or join our twitter account at @SiennaResources.

Contact Information
Tel: 1.604.646.6900
Fax: 1.604.689.1733
www.siennaresources.com
info@siennaresources.com

"Jason Gigliotti"
President, Director
Sienna Resources Inc.

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