Mr. Jonathan Holmes reports

NINE MILE METALS COMMENCES TRADING ON THE OTCID MARKET, EXPANDING ACCESS FOR U.S. INVESTORS

Nine Mile Metals Ltd.'s common shares have commenced trading on the OTCID Basic Market, a regulated U.S. platform operated by OTC Markets Group Inc., effective May 27, 2026, under the symbol VMSXF. The company's common shares continue to trade on the Canadian Securities Exchange under the symbol NINE and on the Frankfurt Stock Exchange under the symbol KQ9.

The OTCID market, launched by OTC Markets Group in 2025, is a regulated platform that certifies a company's continuing compliance with established reporting standards. Companies on the OTCID market provide consistent, continuing financial disclosure, complete an annual management certification and maintain a verified company profile, ensuring that U.S. investors, brokers and regulators have access to standardized and accurate trading and reference data. The listing reinforces Nine Mile's commitment to transparency and sound corporate governance while broadening the company's access to U.S. investors as it advances its exploration programs in the Bathurst mining camp.

Benefits for U.S. investors and shareholders

The company believes that trading on the OTCID market provides a number of advantages for Nine Mile and its shareholders, including:

• Expanded access for U.S. investors to research and trade Nine Mile shares within a transparent, regulated U.S. market environment;
• Enhanced transparency through consistent, continuing financial disclosure and an annual management certification, giving investors timely, accurate information;
• Real-time Level 2 quotes and current financial disclosure available to U.S. investors and brokers through the OTC Markets Group website;
• Increased visibility and credibility among U.S. retail and institutional investors through a verified company profile and recognized market data;
• A broadened and more diversified shareholder base, supporting improved liquidity and a stronger trading experience for shareholders; and
• A strengthened foundation for the company's capital market strategy, positioning Nine Mile for continued growth in U.S. public markets.

Jonathan Holmes, president and director, stated: "We are pleased to advance our capital markets strategy with the commencement of trading on the OTCID market. This milestone reflects our ongoing commitment to transparency and strong corporate governance. This allows U.S. investors to research and trade Nine Mile shares at a time when we are actively advancing our 10,000-metre Wedge drill program and our portfolio of high-grade copper and critical minerals projects in the Bathurst mining camp. We believe broader access and enhanced visibility in the U.S. market will support a larger, more diversified shareholder base and greater liquidity for the benefit of all shareholders. We look forward to welcoming new investors as we continue to grow."

The company has engaged Connect 4 Marketing Ltd. to provide digital marketing services, including search engine marketing, influencer management and third party newsletters. The term of the agreement with Connect4 is for a 12-month period beginning June 4, 2026, for a total budget of $75,000 (U.S.) plus applicable taxes.

Connect4 is a company based in Quebec, Canada, and the principal of Connect4 is Louis Carlos Vargas Rocheleau. To the best of the company's knowledge, Connect4 does not have any equity interest in the securities of the company, or a right to acquire such an interest. Connect4 and its principal have an arm's-length relationship to the company.

About Nine Mile Metals Ltd.

Nine Mile is a Canadian public critical mineral exploration company focused on critical minerals (copper, lead, zinc, silver and gold) exploration in the world-famous Bathurst mining camp, New Brunswick, Canada. The company's primary business objective is to explore its four volcanogenic massive sulphide projects: Wedge VMS project, Nine Mile Brook VMS project, California Lake VMS project and the Canoe Landing Lake (East-West) VMS project. The company is focused on critical mineral exploration, positioning for the boom in electric vehicles and green technologies requiring copper, silver, lead and zinc with a hedge with gold.

We seek Safe Harbor.