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Blue Star Mobilises Field Crews and Receives Final DIG Payment

Exploration Programs

Blue Star Mobilises Field Crews and Receives

Final DIG Payment

Vancouver, British Columbia--(Newsfile Corp. - July 9, 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 mobilisation of its field crews to initiate the 2025 Phase I Surface Exploration

Program at it projects located in the High Lake Belt, West Kitikmeot Region of Nunavut (Figure 1).

Blue Star also announces that it has received the final $125,000 payment of the $250,000 exploration

grant from the Government of Nunavut's Discover, Invest, Grow ("DIG") program. This grant was awarded

to the Company for its successful exploration programs completed in the 2024/25 fiscal year. The DIG

program, administered by the Nunavut Department of Economic Development and Transportation,

provides financial assistance to mineral exploration companies contributing to the sustainable growth of

Nunavut's resource sector. The Company also received a $250,000 DIG grant for its exploration

programs completed in 2022/23. To date, the Company has received a total of $500,000 from the DIG

program. This continued support has helped to advance the Company's ongoing exploration work at its

flagship Ulu Gold Project.

Ongoing Field Activities

Detailed mapping and sampling of targets within 1,000 metres of the Flood Zone deposit including

The Flood Zone near surface, the North Flood Zone, the Central South target, Nutaaq and

Nutaaq North targets, South-Twilight target and Axis target

Exposure of surface Flood Zone mineralisation for detailed structural mapping and sampling

Supports potential extension of the current mineral resource to surface

Ground-based electromagnetic surveying using the Loupe-EM system (East Limb, Gabbro

Breccia, West Lake, Contact, Bizen, and North Fold Nose)

Lithogeochemical surveys to further define detailed stratigraphy and potential structural controls in

key target areas

Visible gold observed in untested veins at the Nutaaq target (Plate 1)

"

The field team has been deployed to build additional confidence on our drill-ready targets as well as

to advance additional targets to the drill-ready stage,"

said Grant Ewing, CEO of Blue Star

. "The initial

focus will be on the high-impact gold targets in the vicinity of the Flood Zone deposit, and will then

move outwards to high-impact gold and critical mineral targets within Blue Star's land package and

along the proposed Grays Bay road corridor. Detailed planning for Phase 2 of the exploration

program is underway. We are looking forward to continuing to advance our highly prospective

properties to evaluate their full potential."

Discussion of the 2025 Exploration Program

Phase I of Blue Star's 2025 field program is designed as a low-expenditure initiative focused on

advancing priority targets within 1,000 metres of the high-grade Flood Zone gold deposit (Ghaffari et al.,

2023. Mineral Resource Estimate Update for the Ulu Gold Project, Nunavut, Canada. NI 43-101

Technical Report). A key highlight of the program is detailed mapping and channel sampling of a newly

exposed section of the Flood Zone mineralization at surface using power washing. This work is

expected to provide structural insights and support the potential extension of the current mineral resource

to the surface.

Building on the 2024 geophysical program, a continuation of the Loupe time-domain electromagnetic

(EM) survey will be conducted to infill and complete coverage of the prospective stratigraphy along the

ULU anticline. Anomalous responses identified in both the 2024 and 2025 Loupe data will be

systematically investigated through targeted ground follow-up to assess potential sources.

Additional 2025 Phase I activities will include field evaluation of targets refined during the winter season

integrating historical and recent datasets. These include Loupe EM anomalies at Nutaaq and North

Nutaaq; geological mapping and modern prospecting at the Twilight and South Zones; follow-up work on

magnetic, airborne EM, and mapping data at the Central South target; and geological confirmation and

prospecting of an IP anomaly at the Axis Zone.

Furthermore, the Company will continue its lithogeochemical study of the mafic volcanic sequences,

aimed at refining the stratigraphic framework and identifying key structures associated with

mineralization proximal to the Flood Zone deposit.

Initial field orientation traverses by the exploration team identified Nutaaq vein material in felsenmeer

east of any veins previously tested in the Nutaaq target. Very fine visible gold was observed in a 10-

metre section of 30-50 metres of frost-heaved vein material and host rock. A grab sample from the area

in 2024 described as frothy white quartz returned 23 g/t gold (Blue Star News Release dated October

16, 2024). Historical samples (1992) in the area returned 29, 35 and 78 g/t gold (Ulu South Map 15,

sample location and geochemistry, BHP 1992).

Historical sampling is documented within the references and appears to follow industry standards as

accepted at the time of the work; no review of the historical sampling was completed by the Blue Star

Qualified Person. Blue Star samples are grab samples, which are selective by definition, and were

delivered under chain of custody to ALS Geochemistry in Yellowknife, NT for sample preparation which

are then forwarded to ALS Canada Inc. in North Vancouver, BC for final analysis. Samples are prepared

using code PREP-31 (crushing and pulverising) and analysed using codes Au-AA26 (50-gram fire

assay with atomic absorption finish) and ME-MS61 (48 element four acid digestion with ICP-MS finish).

Over limits for non-gold elements are ore grade four acid digestion with ICP-AES finish. The QAQC

program for prospecting consists of regular insertion of certified reference materials (CRMs) resulting in

a one in 20 sample insertion rate.

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.

Plate 1: Visible Gold in Untested Nutaaq Vein.

To view an enhanced version of this graphic, please visit:

https://images.newsfilecorp.com/files/2421/258227_5447425184f1e958_002full.jpg

Figure 1: Location Map of Blue Star's Exploration Targets.

To view an enhanced version of this graphic, please visit:

https://images.newsfilecorp.com/files/2421/258227_5447425184f1e958_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 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:

[email protected]

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/258227