File: '\\swfile\EmailIn\20260605 143245 Attachment news2026-04.docx'

BITTERROOT RESOURCES LTD.

PO Box 91878,

West Vancouver, BC, V7V 4S4

tel 604 922 1351

www.bitterrootresources.com

NEWS RELEASE

June 5, 2026

BITTERROOT RESOURCES - OPTIONS GRANTED

Under the terms of its Stock Option Plan, Bitterroot Resources Ltd. has granted, effective June 5, 2026, incentive stock options to acquire 1,200,000 common shares at $0.05 per share, expiring June 4, 2031.

ON BEHALF OF THE BOARD OF DIRECTORS

Michael S. Carr

Director

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

FORWARD LOOKING STATEMENTS: Certain statements contained in this press release may constitute forward-looking statements under Canadian securities legislation. Generally, forward-looking information can be identified by the use of forward-looking terminology such as "expects" or "it is expected", or variations of such words and phrases or statements that certain actions, events or results "will" occur. This document contains statements about expected or anticipated future events and/or financial results that are forward-looking in nature and as a result, are subject to certain risks and uncertainties, such as general economic, market and business conditions, regulatory processes and actions, technical issues, new legislation, competitive conditions, the uncertainties resulting from potential delays or changes in plans, the occurrence of unexpected events and the company's ability to execute and implement its future plans. Actual events may differ materially from those projected in the forward-looking statements. When relying on forward-looking statements to make decisions, investors and others should carefully consider the foregoing factors and other uncertainties and should not place undue reliance on such forward-looking statements. The Company does not undertake to update any forward-looking statements, except as may be required by applicable securities laws. For such forward-looking statements, we claim the safe harbour for forward-looking statements within the meaning of the Private Securities Legislation Reform Act of 1995.

File: Attachment news2026-04.pdf

BITTERROOT RESOURCES LTD.

PO Box 91878, West Vancouver, BC, V7V 4S4

tel 604 922 1351 www.bitterrootresources.com

NEWS RELEASE

June 5, 2026

BITTERROOT RESOURCES - OPTIONS GRANTED

Under the terms of its Stock Option Plan, Bitterroot Resources Ltd. has granted, effective June 5, 2026, incentive stock options to acquire 1,200,000 common shares at $0.05 per share, expiring June 4, 2031.

ON BEHALF OF THE BOARD OF DIRECTORS

Michael S. Carr Director

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

FORWARD LOOKING STATEMENTS: Certain statements contained in this press release may constitute forward-looking statements under Canadian securities legislation. Generally, forward-looking information can be identified by the use of forward-looking terminology such as "expects" or "it is expected", or variations of such words and phrases or statements that certain actions, events or results "will" occur. This document contains statements about expected or anticipated future events and/or financial results that are forward-looking in nature and as a result, are subject to certain risks and uncertainties, such as general economic, market and business conditions, regulatory processes and actions, technical issues, new legislation, competitive conditions, the uncertainties resulting from potential delays or changes in plans, the occurrence of unexpected events and the company's ability to execute and implement its future plans. Actual events may differ materially from those projected in the forward-looking statements. When relying on forward-looking statements to make decisions, investors and others should carefully consider the foregoing factors and other uncertainties and should not place undue reliance on such forward-looking statements. The Company does not undertake to update any forward-looking statements, except as may be required by applicable securities laws. For such forward-looking statements, we claim the safe harbour for forward- looking statements within the meaning of the Private Securities Legislation Reform Act of 1995.