Blue Star Expands Land Position to Include Copper Rich Critical Mineral Target at Sand Lake

Rhea-AI Summary

Blue Star (TSXV: BAU / OTCQB: BAUFF) expanded its Roma Project land package to include the Sand Lake prospect, a copper‑rich volcanogenic massive sulphide (VMS) target with notable historical drill intersections.

Key facts: historical drilling returned 21 metres at 2.71% Cu and 15 metres at 3.29% Cu. Sand Lake lies 5 km east of Blue Star's Ataani VMS lens discovery, 15 km north of the High Lake VMS deposit, and the tenure includes an esker airstrip and flat terrain about 1 km from the proposed Grays Bay Road.

Positive

• Historical drill: 21 m at 2.71% Cu
• Historical drill: 15 m at 3.29% Cu
• Located 5 km east of Ataani VMS lens discovery
• Situated 15 km north of High Lake VMS deposit
• Expanded tenure includes existing esker airstrip
• Property lies ~1 km from proposed Grays Bay Road

Negative

• None.

Historical Drill Results Include 21 Metres of 2.71% Cu and 15 Metres of 3.29% Cu

Vancouver, British Columbia--(Newsfile Corp. - November 20, 2025) - Blue Star Gold Corp. (TSXV: BAU) (OTCQB: BAUFF) (FSE: 5WP0) ("Blue Star" or the "Company"), a leading explorer in Canada's North, announces the expansion of its Roma Project to include additional ground covering the Sand Lake prospect, a high potential, copper rich volcanogenic massive sulphide (VMS) target that has significant historical drill results and excellent infrastructure potential (Figure 1).

Highlights

• Newly acquired ground covers the Sand Lake prospect, where historical drilling intersected 21 metres (m) averaging 2.71% copper (Cu), and 15 m of 3.29% Cu in stringer-style mineralization typical of VMS feeder zones
• Located 5 kilometres (km) east of Blue Star's recent Ataani VMS lens discovery, and 15 km north of the High Lake VMS deposit, Sand Lake may represent part of the broader High Lake VMS camp or a new mineralized centre within the same trend
• The expanded Sand Lake tenure includes an existing esker airstrip and flat terrain ideal for future infrastructure, and lies approximately one km from the proposed Grays Bay Road

About the Sand Lake Prospect
The newly acquired ground is within an expanded Roma Mineral Exploration Agreement (MEA) covering the Sand Lake prospect. Work by previous operators outlined a shallow zone which includes intercepts of 21 m averaging 2.71% Cu and 15 m of 3.29% Cu (AR030105; Robertson, 2006;) within a zone of stringer style, copper rich mineralization accompanied by chlorite alteration and dalmatianite, characteristics typical of the stringer or feeder zone of a volcanogenic massive sulphide system. Previous operators also noted a greater than 10 m wide zinc rich zone on the northern most Sand Lake drill section (CMJ, 2006).

VMS deposits commonly occur in camps or clusters, representing multiple mineralizing centres formed within favourable volcanic belts. The Sand Lake prospect lies only 5 km east of Blue Star's recent 2024 Ataani VMS discovery, and together these zones may form part of the broader High Lake VMS camp or represent a new, emerging area of mineralization within the same geological trend (Figure 2).

The expanded Sand Lake tenure includes an existing ~400 m sand airstrip situated on a flat glaciofluvial plain, providing an ideal foundation for future exploration support and infrastructure development. The Sand Lake acquisition complements Blue Star's existing northern infrastructure which includes the 40-person Ulu camp and a ~1,350 m long gravel airstrip, suitable for landing C-130 Hercules aircraft, located approximately 75 km south of Sand Lake. Both airstrips are located within 2 km of the proposed Grays Bay Road. Collectively, these facilities establish a strong operational base for future exploration and potential development.

"Adding the Sand Lake prospect is a strategic step that strengthens both our critical mineral portfolio and our logistical footprint in the region," stated Grant Ewing, CEO of Blue Star Gold. "The combination of high-grade copper results, excellent geological potential, and existing infrastructure gives us a strong foundation to advance exploration and evaluate the broader mineral potential of the area."

Blue Star plans to incorporate the Sand Lake prospect into its 2026 exploration program, which will include geological mapping and prospecting, ground geophysics, and target refinement in preparation for potential follow-up drilling. The Company's team is currently working on recovering and compiling the historical data. Noted drill intervals and related quality control programs have not been reviewed by Blue Star's qualified person.

References:

• Assessment Report 030105. Toole, T et al. 2009. High Lake Geological, Geophysical, Geochemical and Drilling Report. OZ Minerals. January 2009.
• Robertson, Rob. "Wolfden Pushes Ahead at High Lake." The Northern Miner, 23 Jan. 2006. https://www.northernminer.com/news/wolfden-pushes-ahead-at-high-lake.
• CMJ Staff. "Base Metal Exploration - New Sand Lake prospect yields 3.29% Cu." Canadian Mining Journal, 18 October 2006. https://www.canadianminingjournal.com/news/base-metal-exploration-new-sand-lake-prospect-yields-3-29-cu/.

Qualified Person
Darren Lindsay, P. Geo. and Vice President Exploration for Blue Star, is a Qualified Person under National Instrument 43-101 ("NI 43-101") and has reviewed and approved the technical information contained in this news release.

Figure 1: Blue Star's Property Map Showing Roma MEA Expansion and Key Targets.

To view an enhanced version of this graphic, please visit:
https://images.newsfilecorp.com/files/2421/275287_dea214d4b4cda835_002full.jpg

Figure 2: Roma Project Gold and Critical Mineral Targets.

To view an enhanced version of this graphic, please visit:
https://images.newsfilecorp.com/files/2421/275287_dea214d4b4cda835_003full.jpg

About Blue Star Gold Corp.
Blue Star is a mineral exploration and development company focused in Nunavut, Canada. Blue Star's landholdings total over 300 square kilometres of highly prospective and underexplored mineral properties in the High Lake Greenstone Belt. The Company owns the Ulu Gold Project, comprised of the Ulu Mining Lease and Hood River Property, and the Roma Project. A significant high-grade gold resource exists at the Flood Zone deposit (Ulu Mining Lease), and numerous high-potential exploration targets (gold and critical minerals) occur throughout the Company's extensive landholdings, providing Blue Star with excellent resource growth potential. The site of the future deep-water port at Grays Bay is 40 - 100 km to the north of the properties, and the proposed route corridor for the all-weather Grays Bay Road passes close by the Roma and Ulu Gold Projects.

Blue Star is listed on the TSX Venture Exchange under the symbol: BAU, the U.S. OTCQB Venture Market under the symbol: BAUFF, and on the Frankfurt Exchange under the symbol: 5WP0. For information on the Company and its projects, please visit our website: www.bluestargold.ca.

For further information, please contact:

Grant Ewing, P. Geo., CEO
Telephone: +1 778-379-1433
Email: info@bluestargold.ca

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the Policies of the TSX-Venture Exchange) accepts responsibility for the adequacy or accuracy of this Release.

CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS AND INFORMATION
This press release contains "forward-looking statements" within the meaning of applicable securities laws. Forward-looking statements can be identified by words such as: "anticipate," "intend," "plan," "goal," "seek," "believe," "project," "estimate," "expect," "strategy," "future," "likely," "may," "should," "will" and similar references to future periods. Examples of forward-looking statements include, among others, statements we make regarding prospective income and revenues, anticipated levels of capital expenditures for the fiscal year, expectations of the effect on our financial condition of claims, litigation, environmental costs, contingent liabilities, and governmental and regulatory investigations and proceedings, and estimates of mineral resources and reserves on our properties.

Forward-looking statements are neither historical facts nor assurances of future performance. Instead, they are based only on our current beliefs, expectations, and assumptions regarding the future of our business, plans and strategies, projections, anticipated events and trends, the economy, and other future conditions. Because forward-looking statements relate to the future, they are subject to inherent uncertainties, risks, and changes in circumstances that are difficult to predict and many of which are outside of our control. Our actual results and financial condition may differ materially from those indicated in the forward-looking statements. Therefore, you should not rely on any of these forward-looking statements. Important factors that could cause our actual results and financial condition to differ materially from those indicated in the forward-looking statements include, among others, the following: economic and financial conditions, including volatility in interest and exchange rates, commodity and equity prices and the value of financial assets, strategic actions, including acquisitions and dispositions and our success in integrating acquired businesses into our operations, developments and changes in laws and regulations, including increased regulation of the mining industry through legislative action and revised rules and standards applied by the regulatory bodies in Nunavut, changes in the price of fuel and other key materials and disruptions in supply chains for these materials, closures or slowdowns and changes in labour costs and labour difficulties, including stoppages affecting either our operations or our suppliers' abilities to deliver goods and services to us, as well as natural events such as severe weather, fires, floods and earthquakes or man-made or other disruptions of our equipment, and inaccuracies in estimates of mineral resources and/or reserves on our mineral properties.

To view the source version of this press release, please visit https://www.newsfilecorp.com/release/275287

FAQ

What historical copper grades were reported at Sand Lake on BAUFF's expanded Roma Project?

Historical drilling at Sand Lake reported 21 m averaging 2.71% Cu and 15 m averaging 3.29% Cu.

How close is Sand Lake to Blue Star's Ataani discovery (BAUFF)?

Sand Lake is located approximately 5 km east of the Ataani VMS lens discovery.

What infrastructure advantages does the new Sand Lake tenure offer for BAUFF?

The tenure includes an existing esker airstrip, flat terrain suitable for infrastructure, and lies ~1 km from the proposed Grays Bay Road.

Is Sand Lake part of the High Lake VMS camp for BAUFF's Roma Project?

Sand Lake may represent part of the broader High Lake VMS camp or a new mineralized centre within the same trend, per the announcement.

How far is Sand Lake from the High Lake VMS deposit mentioned by BAUFF?

Sand Lake is approximately 15 km north of the High Lake VMS deposit.

What type of target is Sand Lake on BAUFF's expanded property?

Sand Lake is described as a copper‑rich volcanogenic massive sulphide (VMS) target with historical feeder‑style stringer mineralization.