Mr. Chris Herald reports

SOLITARIO RESOURCES ANNOUNCES SHARE ISSUANCE TO NEWMONT UNDER AMENDED INVESTOR RIGHTS AGREEMENT

Solitario Resources Corp. has sold 135,750 shares of company common stock, at a price of 86 cents per share for total gross proceeds of $116,745 (U.S.). The sale was made under the terms of the amended and restated investor rights agreement (IRA) dated June 11, 2025, between Solitario and Newmont Overseas Exploration Ltd., a wholly owned subsidiary of Newmont Corp. Newmont chose to exercise a right to acquire the shares as permitted by the IRA at the average price of shares sold through Solitario's at-the-market program sales from April 7, 2026, through July 29, 2026.

Upon the issuance of the shares, Newmont will hold 8,894,911 shares of Solitario common stock or approximately 9.4 per cent of the outstanding shares maintaining Newmont's interest prior to the current period's at-the-money program.

Chris Herald, president and chief executive officer of Solitario, stated, "We are delighted that Newmont elected to exercise its right to maintain its ownership stake in Solitario and its equity ownership in Solitario."

The company did not engage an underwriter or registered placement agent for the sale, and there were no underwriter discounts or commissions or placement agent fees. The net proceeds of the sale will be used to advance the company's exploration activities at its core projects and for general corporate purposes. Additional information regarding the sale will be included in one or more reports to be filed by the company with the U.S. Securities and Exchange Commission, and United States and Canadian regulatory agencies, and this news release is subject to the further detail provided in such reports.

About Solitario Resources Corp.

Solitario is a natural resource exploration company focused on high-quality Tier 1 gold and zinc projects. The company's common stock is traded on the NYSE American (XPL) and on the Toronto Stock Exchange (SLR). In addition to its Florida Canyon and Lik joint venture projects, Solitario owns a 100-per-cent interest in the 30,000-acre Golden Crest gold project in South Dakota, and a 100-per-cent interest in its Cat Creek and Bright Angel exploration projects in Colorado. At Golden Crest, Solitario has discovered over 15 areas with potential gold mineralization at surface and has recently concluded it phase 1 drilling program to test for gold in the subsurface. Solitario's management and directors hold approximately 7.7 per cent (excluding options) of the company's 94.8 million shares outstanding. Solitario's cash balance stands at approximately $7.6-million (U.S.).

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