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March 10 2026 – TheNewswire - BRONCO RESOURCES CORP. (TSX-V: BRON ) (“ Bronco ” or the “ Company ”), is pleased to report the successful completion of a ground magnetic survey over the Main Zone at its Placer Mountain Gold Project , located in the Similkameen Mining Division, near Princeton, BC.

The magnetic survey was completed to test imagery quality and resolution using industry standard GSM-19 “Overhauser” ground magnetometer instrumentation. The objective was to evaluate the level of detail achievable over a previously determined gold bearing zone relative to the historic airborne magnetic imagery completed in 2019.

Results from the 2026 ground survey demonstrate an increase in magnetic imagery fidelity compared to the airborne data . The new imagery delineates magnetic lineations and structural trends at the Main Zone , which may be gold-bearing structures . These features were not previously resolved at this level of detail in the historic airborne magnetic imagery.

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Figure 1 - 2026 Magnetic Survey Results at Main Zone

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Figure 2 – Completed Phase 1 and Planned Phase 2 Magnetic Survey Areas

Based on the success of the early program, Bronco plans to undertake a second-phase ground magnetic survey extending north and east of the Main Zone , with the objective of connecting interpreted trends toward the Kodiak Zone , within the broader “quartz corridor” target area.

Historically low snowpack and mild winter conditions have enabled ground crews to access the Placer Mountain Property earlier than typical seasonal timelines. Subject to conditions, the Company may be able to mobilize in the short term, to complete the Phase 2 coverage.

Qualified Person

R. Tim Henneberry, P.Geo, technical advisor to the Company, is the Qualified Person as defined by National Instrument 43-101 who has reviewed and approved the technical data in this report.

About Bronco

Bronco Resources Corp. is a TSX Venture Exchange listed mineral exploration company actively focused on the exploration of the Placer Mountain Gold Project, located in Princeton, BC, currently holding an 88%/12% JV between Bronco and Universal Copper Ltd. respectively. Bronco’s Board of Directors is seasoned in the mineral exploration industry with extensive successful domestic and international experience.

ON BEHALF OF THE BOARD OF DIRECTORS OF BRONCO RESOURCES CORP.

“Dev Rishy-Maharaj”

Dev Rishy-Maharaj, President and CEO

For additional information visit Bronco’s website at https:// www.broncoresources.com or contact:

Bronco Resources Corp.

Dev Rishy-Maharaj

Chief Executive Officer

Or

Terese Gieselman

Chief Financial Officer

Ph: ( 236) 763-6827

Forward-Looking Information

This press release contains certain forward-looking information and forward-looking statements within the meaning of applicable Canadian securities legislation (collectively, " Forward-looking Statements "). Any statements that are contained in this press release that are not statements of historical fact may be deemed to be Forward-looking Statements. Forward-looking Statements are frequently, but not always, identified by words such as "may", "will", "intends", "proposed", "believes", "continues", "plans", "expects" or similar expressions (or the negative and grammatical variations of any of these terms). Forward-looking Statements in this press release include, but are not limited to, statements with respect to: the Company's resource properties and future capital requirements; and the Company's plans, focus and objectives.

Forward-looking Statements involve various risks and uncertainties and are based on certain factors and assumptions. Although Bronco’s management considers these beliefs and assumptions reasonable based on currently available information, there can be no assurance that such statements will prove to be accurate, and actual results and future events could differ materially from those anticipated in such statements. Forward-looking Statements necessarily involve known and unknown risks, and important factors, among others, that could cause actual results to differ materially from the Company's expectations include: uncertainties related to the Company's ability to access investors for the Financing; the timeliness and success of regulatory approvals; fluctuations in copper and other commodity prices; uncertainties inherent in the exploration of mineral properties; risks associated with general economic conditions; changes in legislation, income tax and regulatory matters; currency and interest rate fluctuations; inability to access sufficient capital from internal and external sources.

Readers are further cautioned not to place undue reliance on Forward-looking Statements as there can be no assurances that the plans, intentions or expectations upon which they are placed will occur. The Company undertakes no obligation to update or revise any Forward-looking Statements, whether as a result of new information, future events or otherwise, except as may be required by law. New factors emerge from time to time, and it is not possible for Bronco to predict all of them, or assess the impact of each such factor or the extent to which any factor, or combination of factors, may cause results to differ materially from those contained in any Forward-looking Statement. Any Forward-looking Statements contained in this press release are expressly qualified in their entirety by this cautionary statement.

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 press release.

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