IDEX Metals completes option agreement with WestGold Metals

Vancouver, B.C. – August 18, 2026- TheNewswire – IDEX Metals Corp. (" IDEX " or the " Company ") (TSXV: IDEX; OTCQB: IDXMF) is pleased to announce, its wholly-owned subsidiary, Silver Rock Resources Inc. (the “ Optionor ”), has completed the previously announced mineral property option agreement (the Option Agreement ”) with WestGold Metals Corp. (“ WestGold ”), traded on the Canadian Securities Exchange (the “ CSE ”) under the symbol “WGM.CN”.

Pursuant to the Option Agreement, the Optionor granted WestGold an exclusive option to acquire a 90% interest in three of the Company's exploration properties located in the State of Idaho, USA: the Amie Project, the Silver Rock Project and the Demming Project (collectively, the " Properties ").

In accordance with the Option Agreement, WestGold issued 5,737,000 common shares to the Optionor and made the initial cash payment of CAD$100,000.

WestGold is required to incur a minimum of C$5,000,000 in aggregate exploration expenditures on the Properties over a three-year period, as follows: (i) C$1,000,000 by the first anniversary of the Effective Date; (ii) cumulative exploration expenditures of C$3,000,000 by the second anniversary of the Effective Date; and (iii) cumulative exploration expenditures of C$5,000,000 by the third anniversary of the Effective Date.

Upon full exercise of the Option, the parties will be deemed to have formed a joint venture, with WestGold holding a 90% participating interest and the Optionor retaining a 10% carried interest. WestGold will serve as operator of the joint venture and will be responsible for all costs of the joint venture until the commencement of commercial production.

Clayton Fisher, CEO of IDEX, commented, “Closing this transaction allows IDEX to remain focused on advancing the Freeze Project while preserving meaningful exposure to the Amie, Silver Rock and Demming projects. WestGold’s commitment to fund C$5 million of exploration provides a clear path to advance these assets, while IDEX retains a 10% carried interest.”

Investor Relations Agreement

The Company further announces that it has entered into a consulting agreement dated August 15, 2026, (the “ Consulting Agreement ”) with Domestique Capital Corp. (“ Domestique ”) to provide certain investor relations services to the Company.

Domestique is based in Toronto, Ontario and provides capital markets advisory and investor relations advisory services. Under the agreement, Domestique will provide investor relations and capital-markets advisory services to IDEX, including advising on capital markets strategy and making introductions and coordinating roadshows and site visits for analysts and investors. The principal of Domestique is Wayne Phipps. Domestique and its affiliates are at arm’s length to the Company and have no other relationship with the Company and do not own any securities of the Company, other than stock options as described below.

The Consulting Agreement has term of 6 months (the “ Term ”). Pursuant to the Consulting Agreement, Domestique has agreed to provide capital markets advisory services to the Company, and the Company will pay Domestique $7,500 per month (the “ Cash Fee ”) during the Term. In addition to the Cash Fee, the Company will grant Domestique 200,000 stock options of the Company (the “ Options ”), at an exercise price of $0.55 per share. The Options shall vest over a two-year period as follows: 25% of the Options shall vest on the date that is six months following the date of issuance, 25% of the Options shall vest on the date that is 12 months following the date of issuance, 25% of the Options shall vest on the date that is 18 months following the date of issuance, and 25% of the Options shall vest on the date that is 24 months following the date of issuance. The Consulting Agreement and the grant of Options thereunder is subject to approval from the TSX Venture Exchange.

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

Statements contained in this news release that are not historical facts may be forward-looking statements. These forward-looking statements involve risks, uncertainties and other factors that could cause actual results to differ materially from those expressed or implied by such forward- looking statements. In addition, the forward-looking statements require management to make assumptions and are subject to inherent risks and uncertainties. There is significant risk that the forward-looking statements will not prove to be accurate, that the management’s assumptions may not be correct and that actual results may differ materially from such forward-looking statements. Accordingly, readers should not place undue reliance on the forward-looking statements. Generally forward-looking statements can be identified by the use of terminology such as “anticipate”, “will”, “expect”, “may”, “continue”, “could”, “estimate”, “forecast”, “plan”, “potential” and similar expressions. These forward-looking statements are based on a number of assumptions which may prove to be incorrect which, without limiting the generality of the following, include: risks inherent in exploration activities; the impact of exploration competition; unexpected geological or hydrological conditions; changes in government regulations and policies, including trade laws and policies; failure to obtain necessary permits and approvals from government authorities; volatility and sensitivity to market prices; volatility and sensitivity to capital market fluctuations; the ability to raise funds through private or public equity financings; environmental and safety risks including increased regulatory burdens; weather and other natural phenomena; and other exploration, development, operating, financial market and regulatory risks. The forward-looking statements contained in this press release are made as of the date hereof or the dates specifically referenced in this press release, where applicable. Except as required by applicable securities laws and regulation, IDEX disclaims any intention or obligation to update or revise any forward-looking statement, whether as a result of new information, future events or otherwise, except as required by applicable securities laws. All forward-looking statements contained in this press release are expressly qualified by this cautionary statement.

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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August 18, 2026 - 5:00 AM PDT

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