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Vancouver, B.C. – June 1, 2026 - TheNewswire – IDEX Metals Corp. (" IDEX " or the " Company ") (TSXV: IDEX; OTCQB: IDXMF) is pleased to announce that it has filed a preliminary short form base shelf prospectus (the “ Preliminary Shelf Prospectus ”) with the securities commissions in each of the provinces and territories of Canada.

The filing of the Preliminary Shelf Prospectus is intended to provide the Company with financing flexibility. Upon a final base shelf prospectus (the “ Final Shelf Prospectus ”) becoming effective, these filings, subject to securities regulatory requirements, will allow the Company to qualify the distribution of up to $50,000,000 of common shares, warrants, subscription receipts, debt securities, or any combination thereof, from time to time over a 25-month period that the Final Shelf Prospectus remains effective. The specific terms of any future offering of securities (if any) will be set forth in a shelf prospectus supplement (a “ Prospectus Supplement ”), which will be filed with the applicable Canadian securities regulatory authorities in connection with any such offering.

Each Prospectus Supplement will contain specific information concerning, among other matters, the securities to be issued and the use of proceeds from any such issuance. There is no certainty that any securities will be offered or sold under the Final Shelf Prospectus and any Prospectus Supplement within the 25-month period that it is effective. A copy of the Preliminary Shelf Prospectus, and copies of the Final Shelf Prospectus and any Prospectus Supplements that may be filed in the future, can be found under the Company’s SEDAR+ profile at www.sedarplus.ca .

As previously announced, the Company completed a brokered private placement of 20,125,000 special warrants of the Company (“ Special Warrants ”) at a price of $0.40 per Special Warrant for aggregate gross proceeds of $8,050,000 on May 5, 2026. Each Special Warrant is exercisable, for no additional consideration at the option of the holder, into one unit of the Company (each, a " Unit "), with each Unit being comprised of one common share in the capital of the Company (a “ Common Share ”) and one-half of one Common Share purchase warrant (each whole warrant, a “ Warrant ”). The Company intends to file the Final Shelf Prospectus, and a Prospectus Supplement to the Final Shelf Prospectus qualifying the distribution of the Common Shares and Warrants to be issued upon exercise of the Special Warrants, as soon as possible.

Clayton Fisher, CEO of IDEX, commented, “The filing of the Preliminary Shelf Prospectus is a proactive step intended to strengthen IDEX’s capital markets readiness. The preparation and review process provides an additional level of technical, legal and financial review of the Company’s disclosure, while giving IDEX greater financing flexibility should the need arise. Importantly, the prospectus does not require IDEX to issue securities; rather, it provides a framework that will allow the Company to respond quickly to future opportunities and capital requirements as they emerge.”

Technical Report

The Company is also pleased to announce that it has filed a technical report titled “Technical Report for the Freeze Property” (the “ Technical Report ”) under the Company's profile on SEDAR+ at www.sedarplus.ca. The Technical Report was prepared in accordance with National Instrument 43-101 – Standards of Disclosure for Mineral Projects and was authored by a Qualified Person, David Hladky, P. Geo, the Vice-President of Exploration for the Company.

About IDEX Metals Corp.

IDEX Metals Corp. is a mineral exploration company focused on advancing a portfolio of base and precious metal projects in Idaho, USA. IDEX is primarily focused on the exploration and development of the Freeze Copper-Gold porphyry prospect located in the newly discovered Idaho Copper District, Washington County, Idaho. With a strategic land position in a top-tier mining jurisdiction and surrounded by major industry players, IDEX is committed to redefining district-scale exploration in Idaho.

For more information, please visit https://idexmetals.com/ .

ON BEHALF OF THE BOARD OF DIRECTORS

Clayton Fisher, CEO & Director

For further information regarding IDEX contact:

Investor Relations
info@idexmetals.com
1 (604) 260-0356

Cautionary Note Regarding Forward-Looking Statements

No securities regulatory authority or stock exchange has reviewed nor accepts responsibility for the adequacy or accuracy of the content of this news release. This news release contains forward-looking statements and other statements that are not historical facts. Forward-looking statements are often identified by terms such as “will”, “may”, “should”, “anticipate”, “expects” and similar expressions and specifically include statements regarding the anticipated filing of a Final Shelf Prospectus and a Prospectus Supplement qualifying the distribution of securities upon exercise of the Special Warrants. All statements other than statements of historical fact, included in this release are forward-looking statements that involve risks and uncertainties. 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. Important factors that could cause actual results to differ materially from the Company’s expectations include the failure to satisfy the conditions of the relevant securities exchange(s) and other risks detailed from time to time in the filings made by the Company with securities regulators. The reader is cautioned that assumptions used in the preparation of any forward-looking information may prove to be incorrect. Events or circumstances may cause actual results to differ materially from those predicted, as a result of numerous known and unknown risks, uncertainties, and other factors, many of which are beyond the control of the Company. The reader is cautioned not to place undue reliance on any forward-looking information. Such information, although considered reasonable by management at the time of preparation, may prove to be incorrect and actual results may differ materially from those anticipated. Forward-looking statements contained in this news release are expressly qualified by this cautionary statement. The forward-looking statements contained in this news release are made as of the date of this news release and the Company will update or revise publicly any of the included forward-looking statements as expressly required by applicable law.

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.

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