Canadian miner Sherritt International announced it has halted all joint‑venture activity in Cuba after President Donald Trump broadened U.S. sanctions on the island nation. The move shuts down projects that combined Sherritt’s mining expertise with Cuban resources, cutting off a stream of future revenue for the Toronto‑listed firm.

The expanded sanctions target entities linked to Cuba’s energy and mining sectors, raising compliance risk for any foreign partner doing business with U.S. persons. By pulling out, Sherritt avoids potential penalties that could reach into the millions, preserving its standing with American regulators and its access to U.S. capital markets.

Investors had viewed the Cuban venture as a diversification play beyond Sherritt’s core nickel‑cobalt operations in Canada and Madagascar. The abrupt exit may pressure the company’s earnings outlook for the current fiscal year, as the lost cash flow will not be replaced by alternative projects in the short term.

Sherritt’s decision sends a clear signal to other Canadian extractors eyeing high‑risk jurisdictions: compliance costs can outweigh prospective gains when U.S. policy shifts abruptly. The firm will now focus on its existing assets, seeking to shore up cash generation without courting further geopolitical exposure.