Hemlo Mining Corp. Announces Graduation to the Toronto Stock Exchange

Press Release

Trading to begin at market open on Monday, June 15, 2026

Toronto, Ontario, Canada – June 10, 2026 – Hemlo Mining Corp. (TSXV: HMMC) (OTCQX: HMMCF) (the “Company” or “Hemlo Mining”) is pleased to announce that it has received final approval to list its common shares (the “Common Shares”) on the Toronto Stock Exchange (the “TSX”) and graduate from the TSX Venture Exchange (“TSXV”). The Common Shares will begin trading on the TSX at market open on Monday, June 15, 2026 and will continue to trade under the current stock symbol, “HMMC”.

In connection with the TSX listing, Common Shares will be voluntarily delisted from the TSXV, effective as of the close of market on Friday, June 12, 2026. Shareholders are not required to exchange their share certificates or take any other action in connection with the TSX listing, as there will be no change in the trading symbol or CUSIP for the Common Shares.

Jason Kosec, President, CEO & Director of Hemlo Mining, commented: “Graduating to the Toronto Stock Exchange marks a significant milestone for Hemlo Mining and reflects the disciplined execution of our capital markets strategy. The TSX is home to many of the world’s leading gold producers, and we expect this listing to broaden our shareholder base, enhance trading liquidity, and provide eligibility for potential index inclusion. This is an important step as we continue to advance the Company’s standing in the global gold equity market.”

About Hemlo Mining Corp.

Hemlo Mining Corp. is a Canadian gold producer focused on operating and enhancing the Hemlo gold camp in northwestern Ontario. The Company’s flagship asset, the Hemlo Gold Mine, has produced approximately 25 million ounces of gold since 1985 from both underground and open pit operations. The Company’s fit-for-purpose strategy is centered on maximizing the value of the mine through improved operating efficiency, production growth, and mine life extension. Hemlo Mining is led by an experienced team with a track record of value creation in the global mining sector.

Contact Information

Jason Kosec, President, CEO & Director, +1 (250) 552-7424

Jonathan Awde, Executive Chair, +1 (604) 761-5251

General Inquiries: info@hemlomining.com

Neither the TSX Venture Exchange nor its Regulatory 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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