Cosa Resources Issues Deferred Payment Shares to Denison Mines

Denison Mines Corp. received 2,154,476 common shares from Cosa Resources Corp. to fully satisfy the deferred consideration owed under their November 2024 acquisition agreement. The deemed price for the shares was $0.69036, valuing the settlement at approximately $1.49 million.

As a result of the transaction, Denison's beneficial ownership in Cosa increases to 18.9% on a partially-diluted basis, triggering an early warning report filing. The shares are subject to a statutory hold period of four months and one day.

Cosa's CEO stated that the settlement, combined with a recent $12 million bought-deal financing, leaves the company debt-free and well-financed through 2027. Operationally, Cosa is conducting its largest drill program to date at the Murphy Lake North joint venture, which is 70% owned by Cosa, as well as at the Darby project.

Denison Mines Corp. (DML) has executed a routine contractual settlement related to a previously announced joint venture agreement, with a transaction value of $1.49 million. This amount is immaterial to the company’s approximately $3.9 billion market capitalization. The deal confirms that the Cosa joint venture is progressing as planned, increasing Denison’s strategic footprint to 18.9%.

The market had already priced in broader final investment decision (FID) and regulatory milestones earlier in 2026. Since May, the stock has consolidated in the $4.30–$4.60 range, indicating that this corporate action was fully telegraphed and carries no incremental valuation impact.

Denison Mines Corp. (TSX: DML / NYSE American: DNN) is a uranium developer and producer based in the Athabasca Basin, Saskatchewan. The company’s flagship asset is the Phoenix ISR mine, located within the Wheeler River joint venture where Denison holds a 95% effective interest. The project is currently in the construction phase, targeting first production in mid-2028.

Secondary assets include the Gryphon underground deposit in the Wheeler River joint venture, the McClean Lake joint venture with a 22.5% interest featuring an operating mill and SABRE mining operations, the Midwest joint venture with a 25.17% interest at the PEA stage, and Waterbury Lake with a 70.55% interest. The exploration portfolio encompasses approximately 457,000 hectares across multiple joint ventures, including significant stakes in Cosa Resources and Skyharbour Resources. The company is led by President and CEO David Cates, and its board includes a nominee from Korea Hydro & Nuclear Power (KHNP).