STRFF - Star Royalties Highlights Copperstone Development Update by Minera Alamos and Announces AGM Extension

(TheNewswire)

­­News Release

June 05, 2025 – TheNewswire - TORONTO, ON – Star Royalties Ltd. (“ Star Royalties ”,or the “ Company ”) (TSXV:STRR, OTCQX: STRFF) is pleased to highlight Minera Alamos Inc.’s(“ Minera Alamos ”) (TSXV:MAI, OTCQX: MAIFF) update on development plans for its wholly-ownedCopperstone Gold Mine (“ Copperstone ”). The Company has a 4% streaming agreement ongold produced for the duration of Copperstone’s life-of-mine(“ LOM ”). All amounts arein U.S. dollars, unless otherwise indicated. Neither TSX VentureExchange nor its Regulation Services Provider accepts responsibilityfor the adequacy or accuracy of this release.

Highlights

• Mine Plan of Operations (“MPO”)amendment submitted: The MPO submission satisfies therequirements of the United States Code of Federal Regulations Title 43Subpart 3809, administered by the U.S. Bureau of Land Management. Thisamendment is an essential regulatory step towards Minera Alamos’planned restart of mining operations at Copperstone in 2026.

• “Fast-tracking” project restart: The final approval for the MPO amendment isexpected to be received by Minera Alamos before year-end 2025, whichwill facilitate the full restart of operations at Copperstone. MineraAlamos’ existing site permits allow for site development activitiesto be initiated in parallel with the pending MPO amendment, enabling a"fast-track" approach to restarting the project. MineraAlamos is currently finalizing plans to transfer existing processplant equipment to Copperstone for refurbishment and installation,helping to reduce capital costs.

• Financing package: Minera Alamos has already received several indicative termsheets from various lenders and is currently advancing project financediscussions for the development and restart of Copperstone.

• Engineering anddevelopment: Engineering activities atCopperstone have been accelerated in preparation for the mine restartand process plant installation. An updated technical study for theproject is expected to be released by Minera Alamos in Q4 2025 todemonstrate the positive impact of their ongoing efforts. Thetechnical study is expected to assess opportunities for excessprocessing plant capacity for potential increases in future miningrates. In addition, metallurgical studies will be conducted tomaximize processing flexibility to accommodate the possibility ofadditional resource zones being added into the mine plan.

Alex Pernin, Chief Executive Officer of Star Royalties, commented:“We are encouraged by Minera Alamos’ development update onCopperstone with the submission of the MPO amendment marking anotherde-risking milestone in advancing this project to production in 2026.We look forward to additional upcoming announcements, includingCopperstone’s financing package progress and the transfer andinstallation of processing plant equipment. Based on Minera Alamos’reissued PEA on the project and assuming a gold price of $3,000/oz,our stream’s pre-tax cash flow in just the first full year ofproduction would represent approximately 40% of our current marketcapitalization. Furthermore, over its currently stated LOM and priorto any production increases or LOM extension, the Copperstone streamis expected to generate pre-tax cash flow of close to twice ourcurrent market capitalization. We also note that Copperstone’scurrent mine plan only incorporates half of its high-grade resource,and we look forward to the exploration initiatives planned by MineraAlamos that should further delineate the potential to extend thecurrent LOM through resource conversion.”

Annual General Meeting (“AGM”) Extension

The Company applied for an AGM extension with theOntario Superior Court of Justice, pursuant to the provisions of the Canada Business CorporationsAct . The Notice of Application filed with theOntario Superior Court of Justice is available for review on theCompany’s website at www.starroyalties.com/investors/annual-meetings . The AGM extension is subject to approval by CorporationsCanada. Star Royalties intends to schedule a date for the AGM as soonas practicable and to provide shareholders with the requisite noticeof meeting and record date associated therewith.

CONTACT INFORMATION

For more information, please visit our website at starroyalties.com or contact:

About Star Royalties Ltd.

Star Royalties Ltd. is a precious metals and carbon credit royalty andstreaming company. The Company’s objective is to provide wealthcreation by originating accretive transactions with superior alignmentto both counterparties and shareholders. The Company offers investorsexposure to precious metals as well as carbon credit prices throughits pure-green joint venture, Green Star Royalties Ltd., havinginnovated the world’s first carbon credit royalties.

CAUTIONARY NOTE REGARDING FORWARD-LOOKING INFORMATION

Certain statements in this news release may constitute"forward-looking statements", including those regardingfuture market conditions for metals and minerals, future valuation ofMinera Alamos, development and production of Copperstone, permittingand construction scheduling of Coppertone, future location ofCopperstone grinding and flotation equipment, expected future cashflow from the stream agreement, the Company’s position inCopperstone’s future gold production, the net cash position of theCompany, and future capital raising opportunities are statements thataddress or discuss activities, events or developments that the Companyexpects or anticipates may occur in the future. When used in this newsrelease, words such as "estimates", "expects","plans", "anticipates", "will","believes", "intends" "should","could", "may" and other similar terminology areintended to identify such forward-looking statements. Forward-lookingstatements are made based upon certain assumptions and other importantfactors that, if untrue, could cause the actual results, performancesor achievements of Star Royalties to be materially different fromfuture results, performances or achievements expressed or implied bysuch statements. Forward-looking statements should not be read as aguarantee of future performance or results and will not necessarily bean accurate indication of whether or not such results will beachieved.

A number of factors could cause actual results,performances or achievements to differ materially from suchforward-looking statements, including, without limitation, changes inbusiness plans and strategies, market and capital finance conditions,ongoing market disruptions caused by the Ukraine and Russian conflict,metal and mineral commodity price volatility, discrepancies betweenactual and estimated production and test results, mineral reserves andresources and metallurgical recoveries, mining operation anddevelopment risks relating to the parties which produce the metals andminerals Star Royalties will purchase or from which it will receiveroyalty payments, risks inherent to royalty companies, title andpermitting matters, activities by governmental authorities, currencyfluctuations, the global, federal and provincial social and economicclimate in particular with respect to addressing and reducing globalwarming, natural disasters and global pandemics, dilution, riskinherent to any capital financing transactions. These risks, as wellas others, could cause actual results and events to varysignificantly. Accordingly, readers should exercise caution in relyingupon forward-looking statements and the Company undertakes noobligation to publicly revise them to reflect subsequent events orcircumstances, except as required by law.

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