IsoEnergy Ltd. & DISA Technologies partner to form US$505 million DISA Uranium Corporation. August 7, 2026 Imogen Minall * IsoEnergy Ltd. has entered into a definitive agreement with DISA Technologies, Incorporated to establish DISA Uranium Corporation, a technology-enabled US uranium company. * IsoEnergy Ltd. will contribute its permitted, past-producing Utah conventional uranium portfolio, which contains an Indicated resource of 6.61 million pounds of uranium oxide as of September 9, 2022, in exchange for 1,677,350 common shares. * The transaction implies a pro forma fully diluted equity value of approximately US$505 million for DISA Uranium Corporation, supported by US$105 million in concurrent private placement commitments. * DISA Uranium Corporation will integrate proprietary High-Pressure Slurry Ablation (HPSA) technology, which concentrated Tony M Mine feedstock to 22.0% mass with an 88% uranium recovery during metallurgical testing. * The pro forma company operates under a unique US Nuclear Regulatory Commission (NRC) Source Materials License that permits the recovery of uranium and vanadium from legacy mine waste across multiple sites. What has happened. Under the definitive agreement announced August 4, 2026, IsoEnergy Ltd. (TSX: ISO | NYSE American: ISOU) has partnered with DISA Technologies, Inc. to establish DISA Uranium Corporation, combining IsoEnergy Ltd.'s Utah conventional uranium portfolio with the proprietary mineral processing applications of DISA Technologies, Inc. to recover uranium from legacy waste and conventional ores. IsoEnergy Ltd. contributes its permitted, past-producing Utah mines, which hold a current National Instrument 43-101 mineral resource of 6.61 million pounds of uranium oxide in the Indicated category as of September 9, 2022, in exchange for 1,677,350 common shares of DISA Uranium Corporation. Strategic investors, including Tembo Capital, BHP Ventures, and Halliburton Labs, have committed US$105 million in concurrent private placement financing. This financing implies a pro forma fully diluted equity value of approximately US$505 million, leaving IsoEnergy Ltd. as the single largest shareholder with an approximate 33% equity stake. Closing of the transaction is targeted for mid-August 2026, subject to the spin-out of non-uranium assets into DISA Tech, Inc. and regulatory approvals. Chief Executive Officer of IsoEnergy Ltd., Philip Williams, explained the risk mitigation benefits of diversifying assets across multiple jurisdictions: "We had a game plan; we understood from the very beginning that single-asset, single-jurisdiction companies are far more risky, particularly in the uranium space, and you can be the greatest project in the world; it can be developed for all kinds of reasons. They can't foresee it, and so having a portfolio approach is the way to insulate yourself and insulate shareholders from being exposed to what could be a binary outcome." Proprietary HPSA processing technology & mine-site economics. The combined company will integrate the patented High-Pressure Slurry Ablation (HPSA) technology, which mechanically upgrades mineralised feedstock at the mine site. The HPSA process utilises high-velocity slurry streams to generate particle-on-particle collisions, causing uranium-bearing carnotite ore to fracture along natural grain boundaries and separate from harder quartz host minerals. This mechanical separation eliminates the need for chemical reagents or grinding media during the primary upgrading phase, thereby reducing the mass requiring downstream chemical leaching. Based on the 2026 Tony M HPSA Leach Study, metallurgical testing on Tony M Mine material demonstrated an 88% uranium recovery while concentrating the target mineral into 22% of the original feedstock mass. This mass reduction translates into a 78% decrease in the volume of material requiring road haulage, thereby lowering estimated feedstock transportation costs by over 70%. Furthermore, the study reports that post-HPSA leaching requires only 2 hours of contact time, compared with over 20 hours for conventional processing methods, thereby reducing processing bottleneck durations and lowering the unit operating cost per pound of recovered uranium. National remediation pipeline & regulatory licensing. DISA Uranium Corporation will operate a dedicated uranium remediation business to recover valuable minerals from legacy mine waste. The company operates under a unique US Nuclear Regulatory Commission (NRC) Source Materials License, which authorises the recovery of uranium and vanadium from legacy waste across federal and tribal lands without initiating new mining operations. This commercial pipeline targets environmental liabilities across more than 15,000 abandoned mine waste sites and 4,200 defence-related uranium mines compiled in Environmental Protection Agency and US Geological Survey databases. Leadership, governance & risk management. Headquartered in Casper, Wyoming, and led by Chief Executive Officer Greyson Buckingham, the company will absorb IsoEnergy Ltd.'s Utah operations team to ensure technical and operational continuity. The 7-member Board of Directors of DISA Uranium Corporation will include IsoEnergy Ltd. Chairman Richard Patricio, IsoEnergy Ltd. Chief Executive Officer Philip Williams, and former US Nuclear Regulatory Commission Commissioner Jeffrey Merrifield. Over time, the centralised resource base is targeted to support the development of a new conventional processing facility, representing the first conventional uranium mill constructed in the United States in over 4 decades. While the partnership offers significant operational advantages, several integration and development risks remain. These include the technical scale-up of modular HPSA units to full commercial capacity, regulatory execution across diverse state and tribal jurisdictions for the legacy waste remediation pipeline, and the coordination of conventional mine restarts with new processing infrastructure. Additionally, pro forma ownership dynamics may influence future capital allocation and funding requirements. What to watch next. Closing of the joint-venture transaction is targeted for mid-August 2026, subject to customary regulatory approvals and the completion of the non-uranium spin-out. Following closure, the technical teams are targeting the delivery of an updated preliminary economic assessment (PEA) for the Tony M Mine by year-end two thousand twenty-six, which will integrate these high-pressure slurry ablation metallurgical efficiencies directly into the mine plan. Over the next twelve months, investors should monitor the deployment of the first pilot program at a United States Nuclear Regulatory Commission licensed site and the commencement of Navajo Nation remediation site cleanup activities as primary indicators of commercial and operational progress. FAQs (AI-Generated). What assets is IsoEnergy Ltd. contributing to the newly formed DISA Uranium Corporation? + IsoEnergy Ltd. is contributing its permitted, past-producing conventional Utah uranium portfolio, which includes the Tony M Mine, Daneros Mine, Rim Mine, Sage Plain Project, and Flatiron Project. These conventional mines hold a National Instrument 43-101 Indicated mineral resource of 6.61 million pounds of uranium oxide as of September 9, 2022. What is the pro forma valuation of DISA Uranium Corporation, and what is IsoEnergy Ltd.'s ownership stake? + Backed by US$105 million in concurrent private placement commitments, DISA Uranium Corporation has an implied pro forma fully diluted equity value of approximately US$505 million. IsoEnergy Ltd. will hold an approximate 33% equity stake, making it the single largest shareholder of the pro forma entity. How does DISA's High-Pressure Slurry Ablation (HPSA) technology improve conventional mine-site economics at the Tony M Mine? + HPSA technology mechanically upgrades mineralised feedstock at the mine site, reducing the feedstock mass to approximately 22% of its original volume while recovering 88% of the uranium. This mass reduction decreases the volume of material requiring road haulage by 78%, lowers estimated feedstock transportation costs by over 70%, and reduces leaching contact time to 2 hours, compared with conventional durations exceeding 20 hours. What is the regulatory advantage of DISA Uranium Corporation's national remediation business? + The company operates under a unique US NRC Source Materials License. This license authorises the recovery of uranium and vanadium from legacy mine waste across federal and tribal lands without initiating new mining operations, targeting over 15,000 abandoned mine waste sites and 4,200 defence-related uranium mines. What are the primary operational catalysts targeted by DISA Uranium Corporation for the remainder of 2026? + Following the targeted closing of the transaction in mid-August 2026, technical teams are targeting completion of an updated PEA for the Tony M Mine by year-end 2026. The company is also targeting the deployment of its first pilot program at an NRC-licensed site and the start of cleanup activities at the Navajo Nation remediation site. Analyst's Notes. Institutional-grade mining analysis available for free. Access all of its "Analyst's Notes" series below. Subscribing to its YouTube channel, you'll be the first to hear about its exclusive interviews, and stay up-to-date with the latest news and insights.

DISA Technologies has spun out DISA Tech as an independent company focused on commercialising its patented HPSA mineral processing platform across the minerals sector. The separation accompanies the formation of DISA Uranium Corporation, which houses the uranium-focused business. DISA Tech's HPSA technology improves mineral liberation, recovery and product quality across various commodities and applications. The platform can enhance processing of conventionally mined ore, lower-grade resources and legacy materials. The company launches with 12 HPSA units deployed across eight countries and a team of 45 employees. Milan Sjaus continues as chief executive officer, with the same leadership team announced in June 2026. DISA Tech is backed by the same major investors that supported DISA Technologies. The company aims to scale operations to serve more commodities and mineral processing applications globally.

DISA Technologies, a company developing mineral processing and uranium remediation solutions, has closed a $33 million strategic financing led by Galvanize and supported by BHP Ventures. The Casper, Wyoming-based startup has now raised approximately $83 million to date. The company's patented High-Pressure Slurry Ablation technology processes critical minerals and remediates abandoned uranium mine sites. DISA has secured contracts for over 100 abandoned uranium mine sites and installed commercial units at several global locations. In September 2025, DISA received a first-of-its-kind NRC licence, enabling nationwide uranium mine remediation. The company expects to begin remediation projects later this year, including sites on the Navajo Nation. Existing investors Evok Innovations, Constellation Energy, Halliburton Labs, Valor Equity Partners and Veriten participated in the round. Founded in 2018, DISA serves both mining and remediation sectors.