• Denison outlined progress at flagship Phoenix in-situ recovery uranium mine in Saskatchewan, with site preparation and early works underway and first production targeted for mid-2028.
• Construction ramp-up aimed at reaching full-scale activity by end of Q2 2026; Phoenix post-FID capex estimated at CAD 600 million, with total capex estimated at about CAD 700 million including roughly CAD 100 million pre-FID.
• Balance sheet highlighted at about CAD 670 million in cash, physical uranium and investments as of March 31, 2026, including CAD 418 million cash and cash equivalents.
• Physical uranium holdings totaled 1,850,000 lbs U3O8 valued at about CAD 216 million at USD 83.95/lb; sales price fixed for 950,000 lbs through Q2 2027 at average USD 92.05/lb, implying proceeds of USD 87.5 million.
• Denison reiterated portfolio exposure through Wheeler River, McClean Lake, Midwest, and Waterbury Lake; McClean North produced 648,600 lbs U3O8 in 2025 on a 100% basis, with Denison share 146,000 lbs.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Denison Mines Corp. published the original content used to generate this news brief on May 13, 2026, and is solely responsible for the information contained therein.