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    Sherritt Cuba sanctions shock: Moa nickel-cobalt impacts explained for mine planners

    May 8, 2026|

    Reviewed by Tom Sullivan

    Sherritt Cuba sanctions shock: Moa nickel-cobalt impacts explained for mine planners

    First reported on MINING.com

    30 Second Briefing

    Shares in Sherritt International plunged up to 30% on Thursday to about C$0.17, valuing the company at roughly C$120.7 million, after it suspended direct participation in its Cuban joint ventures in response to new US sanctions on Cuba’s metals and mining sector. The move affects Sherritt’s 50% stake in the Moa nickel-cobalt operation and its one‑third interest in power producer Energas S.A., with Canadian staff being repatriated and three directors, Brian Imrie, Richard Moat and Brett Richards, resigning. Feedstock to Sherritt’s Fort Saskatchewan refinery, which processes Cuban nickel and cobalt, is expected to run out by mid‑June, threatening near‑term supply continuity.

    Technical Brief

    • Sherritt states the order “materially” changes its ability to operate in the ordinary course, despite no formal designation.
    • Fuel supply risk at Moa was publicly flagged by Sherritt as early as February, pre‑dating the latest sanctions.
    • Long‑running US–Sherritt tension includes Helms‑Burton Act travel bans on former CEO Ian Delaney and other executives.
    • Moa joint venture with Cuba’s General Nickel Company has been in place since 1994, anchoring Sherritt’s Cuba‑centric business model.

    Our Take

    With cobalt and nickel as tagged keywords in 83 pieces of recent coverage, the Moa nickel and cobalt joint venture’s exposure to US sanctions risk contrasts with most other nickel–cobalt assets we track, which are concentrated in jurisdictions like Australia and Chile with more predictable permitting but rising ESG and cost pressures.

    The collapse from a peak market value near C$5 billion to about C$120.7 million places Sherritt at the distressed end of listed nickel–cobalt producers in our database, which may limit its options to fund further investment in the Moa operation or the Fort Saskatchewan refinery without asset sales or restructuring.

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    Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.

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