Cameco, Orano expand their dominance as they buy out partner in Saskatchewan uranium mine
Cameco and Orano Canada agreed to buy TEPCO Resources Inc.’s remaining 5% stake in the Cigar Lake uranium mine in northern Saskatchewan, making them joint owners of 100%. Cameco will pay about C$115.75 million, raising its stake to over 57%; Orano will reach nearly 43%. Closing is expected in Q3. Cameco expects 17.5–18 million pounds of uranium concentrate in 2024 and aims to extend mine life to 2036.

Deal expands Cameco’s full ownership control of Cigar Lake and increases its stake, supporting higher attributable production and cash flow visibility.
Cameco agreed to buy out TEPCO Resources’ remaining stake in Saskatchewan’s Cigar Lake, lifting ownership above 57% and increasing control.
Near-term upside bias as investors price greater ownership/control and consolidation of Cigar Lake economics; follow-through depends on deal closing and uranium price.
Background
Cigar Lake is a major high-profile uranium mine in northern Saskatchewan; this transaction removes the Japanese partner’s remaining 5% stake so Cameco and Orano jointly own 100%.
Why it matters
By increasing Cameco’s majority stake to >57% and raising Orano to ~43%, the deal consolidates economics and may improve investor confidence in long-duration production plans (17.5–18.0M lbs in 2026; life extension to 2036).
Market relevance
This is a concrete uranium M&A/asset consolidation catalyst with stated economics (purchase price, ownership changes) and production/life-extension context, with closing targeted for Q3.
Market effects
Consolidation of scarce licensed uranium assets (Cigar Lake) can tighten perceived supply and reinforce bullish uranium thesis.
Saskatchewan uranium asset control shifts further toward Cameco/Orano, potentially affecting local project economics and partner dynamics.
Strengthens nuclear-fuel supply narratives as the mine’s output and life extension (to 2036) support long-term contracting expectations.
Alternative perspectives
The deal may be largely ownership/structure-driven; incremental value depends on realized uranium prices and sustaining capex for life extension to 2036.
Closing risk (regulatory/consents) and uranium price volatility could dominate the market reaction more than the ownership percentage change.
Key entities
- public companyCameco Corp.
Agreed to buy out TEPCO Resources’ remaining 5% stake in Cigar Lake for ~$115.75M; majority ownership rises to >57%.
- subsidiaryOrano Canada Inc.
Agreed to buy out the Japanese energy company’s last 5% stake, taking ownership to nearly 43%.
- named counterpartyTEPCO Resources Inc.
Japanese energy company’s Canadian subsidiary selling its final ~5% stake in Cigar Lake for ~$115.75M to Cameco.
- assetCigar Lake mine
Saskatchewan uranium mine; operator Cameco expects 17.5–18.0M lbs uranium concentrate in 2026 and aims to extend life to 2036.

