File: Attachment Route109 - News Release - September 2026 - Change in Auditor.pdf

ROUTE109 ANNOUNCES CHANGE IN AUDITOR

Vancouver, British Columbia September 22, 2026 Route 109 Resources Inc. (TSXV: RTE) (OTCQB: MRIRF) (FSE: 8M0) ("Route109" or the "Company") announces that it has changed its auditor from D&H Group LLC (the "Former Auditor") to Davidson & Company LLP (the "Successor Auditor") effective September 16th, 2026.

At the request of the Company, the Former Auditor resigned as auditor of the Company effective September 16, 2026 and the board of directors appointed the Successor Auditor as the Company's Auditor effective September 16, 2026 until the close of the Company's next annual general meeting.

About Route 109 Resources Inc.

Route 109 Resources Inc. is a junior Canadian mining exploration company with the primary objective to acquire, explore, and develop viable gold and base metal projects in the mining- friendly jurisdiction of Quebec, Canada. Route109 is currently fully focused on its 100% interest in the two projects, both located in the prolific Abitibi greenstone belt:

dot King Tut Project consists of 120 contiguous claims on 5,206 hectares dot Dunlop Bay Project consists of 76 mineral claims that cover 4,226 hectares

Route109 common shares trade under the symbol "RTE" on the TSX-V and under the symbol 8M0 on the Frankfurt Exchange.

For further information please contact:

Route 109 Resources Inc.

Wanda Cutler, Director Tel: +1 416-303-6460 Email: wanda@cutlermccarthy.com

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. No stock exchange, securities commission or other regulatory authority has approved or disapproved the information contained herein.

This news release contains "forward-looking statements" and "forward-looking information" (as defined under applicable securities laws), based on management's best estimates, assumptions, and current expectations. Such statements include but are not limited to, statements with respect to the plans for future exploration and development of the King Tut and Dunlop Bay properties and the acquisition of additional exploration projects. Generally, these forward-looking statements can be identified by the use of forward-looking terminology such as "expects", "expected", "budgeted", "forecasts" , "anticipates" "plans", "anticipates", "believes", "intends", "estimates", "projects", "aims", "potential", "goal", "objective", "prospective", and similar expressions, or that events or conditions "will", "would", "may", "can", "could" or "should" occur. These statements should not be read as guarantees of future performance or results. Such statements involve known and unknown risks, uncertainties and other factors that may cause actual results, performance or achievements to be materially different from those expressed or implied by such statements, including but not limited to: risks related to the King Tut and Dunlop Bay projects; risks related to - 2 -

general economic conditions, actual results of current exploration activities, unanticipated reclamation expenses; changes in project parameters as plans continue to be refined; fluctuations in prices of metals including gold; increases in market prices of mining consumables, possible variations in resource estimates, grade or recovery rates; failure of plant, equipment or processes to operate as anticipated; accidents, labour disputes, title disputes, claims and limitations on insurance coverage and other risks of the mining industry; delays in the completion of exploration, development or construction activities, changes in national and local government regulation of mining operations, tax rules and regulations, and political and economic developments in areas in which the Company operates. Although the Company has attempted to identify important factors that could cause actual results to differ materially from those contained in forward-looking statements, there may be other factors that cause results not to be as anticipated, estimated or intended. There can be no assurance that such statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements. The forward- looking statements and forward-looking information are made as of the date hereof and are qualified in their entirety by this cautionary statement. The Company disclaims any obligation to revise or update any such factors or to publicly announce the result of any revisions to any forward- looking statements or forward-looking information contained herein to reflect future results, events or developments, except as require by law. Accordingly, readers should not place undue reliance on forward-looking statements and information. Please refer to the Company's most recent filings under its profile at www.sedarplus.ca for further information respecting the risks affecting the Company and its business.