Casa Minerals Inc. Announces DMCL LLP as Auditor of the Company

Rhea-AI Summary

Casa Minerals (TSXV: CASA | OTCQB: CASXF) changed auditors: Abu-Farah Professional Corporation resigned and DMCL LLP was appointed effective March 27, 2026, until the next annual meeting. The Former Auditor issued no reservations for the 2024 year. Notices and concurrence letters were filed and are available on SEDAR+.

Casa holds a 90% interest in the historic Congress Gold Mine in Arizona and is advancing projects in British Columbia including the Arsenault copper-gold-silver project.

Positive

• Successor auditor appointed effective March 27, 2026
• No reservations in Former Auditor's 2024 audit report
• Regulatory filings and concurrence letters available on SEDAR+

Negative

• None.

News Market Reaction – CASXF

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In the Apr 2 session, CASXF gained 3.25%, reflecting a moderate positive market reaction.

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Vancouver, British Columbia--(Newsfile Corp. - March 27, 2026) - Casa Minerals Inc. (TSXV: CASA) (OTCQB: CASXF) (FSE: 0CM) (the "Company" or "Casa") announces that it has changed its auditors from Abu-Farah Professional Corporation ("Former Auditor") to DMCL LLP ("Successor Auditor"). The Former Auditor resigned as the auditor of the Company on its own initiative effective March 27, 2026, and the board of directors of the Company appointed the Successor Auditor as the Company's auditor effective March 27, 2026, until the next Annual General Meeting of the Company.

There were no reservations in the Former Auditor's audit reports for the relevant period, being the financial year of the Company ended December 31, 2024, and any period after the most recently completed financial year for which an audit report was issued and preceding the resignation of the Former Auditor. In accordance with National Instrument 51-102 - Continuous Disclosure Obligations ("NI 51-102"), the Company has sent a Notice of Change of Auditor (the "Notice") to the Former Auditor and to the Successor Auditor and has received a letter from each, addressed to the securities commissions in each of British Columbia and Alberta stating that they agree with the information contained in the Notice. The Notice together with the letter from the Former Auditor and the letter from the Successor Auditor have been reviewed and approved by the Company's audit committee and its board of directors and are available on SEDAR+ at www.sedarplus.ca. There were no reportable events as defined in NI 51-102 between the Former Auditor and the Company.

​​About Casa Minerals Inc.

Casa Minerals Inc. is a mineral exploration company focused on gold, copper, and strategic minerals exploration in North America. The Company holds a 90% interest in the historic Congress Gold Mine in Arizona and is advancing multiple projects in British Columbia, including the Arsenault copper-gold-silver project. Casa's experienced management team is committed to creating shareholder value through the discovery and development of economic mineral deposits. For more information, please visit: www.casaminerals.com

ON BEHALF OF THE BOARD OF DIRECTORS

Farshad Shirvani, M.Sc. Geology

President, CEO and Director

For more information, please contact:

Casa Minerals Inc.

Farshad Shirvani, President & CEO

Phone: (604) 678-9587

Email: contact@casaminerals.com

CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS

This news release contains "forward-looking information" within the meaning of applicable Canadian securities legislation. Forward-looking information includes, but is not limited to, statements regarding: the Company's exploration plans and programs for 2026; anticipated drilling activities at the Congress Gold Mine Project; the classification and prioritization of exploration zones; expectations regarding resource definition and the potential to advance the project to NI 43-101 compliant standards; interpretations of historic drill data and 3D geological models; mineralization potential and domain expansion; and mobilization of field personnel. Forward-looking information is based on the opinions and estimates of management at the date the information is made and is subject to a variety of risks and uncertainties and other factors that could cause actual events or results to differ materially from those anticipated. Such factors include, without limitation: uncertainties regarding exploration results; risks related to the accuracy and completeness of historic data; the inability to verify historic assay results; variations in mineralization and grade; the speculative nature of mineral exploration; challenges in obtaining required permits and approvals; fluctuations in commodity prices; availability of financing; changes in economic and market conditions; environmental and regulatory risks; operating hazards; and other risks inherent in the mineral exploration industry. The Company does not undertake to update any forward-looking information, except in accordance with applicable securities laws.

NEITHER 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.

To view the source version of this press release, please visit https://www.newsfilecorp.com/release/290305

FAQ

Who is the new auditor for Casa Minerals (CASXF) and when was it appointed?

The new auditor is DMCL LLP, appointed effective March 27, 2026. According to the company, DMCL LLP will serve until the next annual general meeting and the appointment followed the resignation of the prior auditor on the same date.

Did the former auditor of Casa Minerals (CASXF) issue any qualifications or reservations?

No, the Former Auditor issued no reservations for the 2024 financial year. According to the company, there were no reservations in the audit reports for the year ended December 31, 2024, or any subsequent audited period before resignation.

Where can investors find the Notice of Change of Auditor for Casa Minerals (CASXF)?

The Notice and letters from both auditors are available on SEDAR+. According to the company, the Notice and concurrence letters were reviewed by the audit committee and board and filed with securities commissions in British Columbia and Alberta.

Does the auditor change for Casa Minerals (CASXF) indicate any reportable events under NI 51-102?

No reportable events were identified between the Company and the Former Auditor. According to the company, there were no reportable events as defined in National Instrument 51-102 related to the auditor change.

What key assets does Casa Minerals (CASXF) highlight alongside the auditor change announcement?

Casa highlights a 90% interest in the historic Congress Gold Mine in Arizona and projects including Arsenault in British Columbia. According to the company, management remains focused on gold, copper, and strategic minerals exploration in North America.