CMC Metals Ltd. Contracts Micon International Ltd. to Complete a NI 43-101 Compliant Mineral Resource Estimate on its Silver Hart Project, Yukon

VANCOUVER, Sept. 18, 2024 - CMC Metals Ltd. (TSX-V: CMB) (Frankfurt:ZM5P) ("CMC" or the "Company") announces that it has contracted MICON International Limited to complete a National Instrument 43-101 compliant Mineral Resource Estimate ("MRE") for its Silver Hart Project, Yukon.

It is estimated that the MRE will be completed in approximately six weeks time. The MRE is phase 1 of a multi-stage evaluation to determine if it is amenable to establish seasonal small-scale open pit mining at the Silver Hart Project.

Kevin Brewer, President and CEO noted "We are excited about the potential for mid-term production at our 100% owned Silver Hart Project in Yukon. Our aim would be to utilize possible pre-concentration technologies such as ore sorting or dense media separation to enhance the viability and economics of transporting material from Silver Hart and Blue Heaven to a processing mill. This is a conceptual project at this stage but one that is viewed by our Board as within our abilities. We are also in discussion with companies to undertake metallurgical and other tests to confirm what technology is be suited to the material at Silver Hart."

Qualified Person

Qualified Person Kevin Brewer, a registered professional geoscientist, is the Company's President and CEO, and Qualified Person (as defined by National Instrument 43-101). He has given his approval of the technical information pertaining reported herein. The Company is committed to meeting the highest standards of integrity, transparency and consistency in reporting technical content, including geological reporting, geophysical investigations, environmental and baseline studies, engineering studies, metallurgical testing, assaying and all other technical data.

About CMC Metals Ltd.

CMC Metals Ltd. is a growth stage exploration company focused on opportunities for high grade polymetallic deposits in Yukon, British Columbia and Newfoundland. Our polymetallic silver-lead-zinc CRD prospects in the Rancheria Silver District include the Silver Hart Deposit and Blue Heaven claims (Yukon), Amy and Silverknife claims (British Columbia). Our polymetallic projects with potential for copper-silver-gold and other metals include Bridal Veil (central Newfoundland) and Logjam (Yukon).

On behalf of the Board:
"Kevin Brewer"
Kevin Brewer, President, CEO and Director
CMC Metals Ltd.

For Further Information and Investor Inquiries:
Kevin Brewer, P. Geo., MBA, B.Sc.(Hons), Dip. Mine Eng.
President, CEO and Director
Tel: (709) 327 8013
kbrewer80@hotmail.com
Suite 1000-409 Granville St., Vancouver, BC, V6C 1T2
Website: www.cmcmetals.ca

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.

"This news release may contain certain statements that constitute "forward-looking information" within the meaning of applicable securities law, including without limitation, statements that address the timing and content of upcoming work programs, geological interpretations, receipt of property titles and exploitation activities and developments. In this release disclosure regarding the potential to undertake future exploration work comprise forward looking statements. Forward-looking statements address future events and conditions and are necessarily based upon a number of estimates and assumptions. While such estimates and assumptions are considered reasonable by the management of the Company, they are inherently subject to significant business, economic, competitive and regulatory uncertainties and risks, including the ability of the Company to raise the funds necessary to fund its projects, to carry out the work and, accordingly, may not occur as described herein or at all. Actual results may differ materially from those currently anticipated in such statements. Factors that could cause actual results to differ materially from those in forward looking statements include market prices, exploitation and exploration successes, the timing and receipt of government and regulatory approvals, the impact of the constantly evolving COVID-19 pandemic crisis and continued availability of capital and financing and general economic, market or business conditions. Readers are referred to the Company's filings with the Canadian securities regulators for information on these and other risk factors, available at www.sedar.com. Investors are cautioned that forward-looking statements are not guarantees of future performance or events and, accordingly are cautioned not to put undue reliance on forward-looking statements due to the inherent uncertainty of such statements. The forward-looking statements included in this news release are made as of the date hereof and the Company disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as expressly required by applicable securities legislation."