Sherritt Provides an Operational Update

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TORONTO, October 21, 2024--(BUSINESS WIRE)--Sherritt International Corporation ("Sherritt" or the "Corporation") (TSX:S) today announced an operational update following a countrywide power outage in Cuba that began on Friday, October 18th. Partial restoration of power occurred on Saturday, October 19th with efforts toward the complete restoration of the national grid continuing. At this time, Sherritt does not anticipate any impact to its 2024 guidance.

At Sherritt’s Metals division, the Moa Nickel mine, began operating at a reduced capacity of 50% to 60% with the mine site’s power generating capabilities providing power following the outage. In addition, the mine provided power to regional power stations to assist with restarting in anticipation of connecting and generating power back to the national grid. Operations at the mine are expected to return to full capacity once power from the national grid is restored. Cuba’s national power company expects this to occur in the coming days, with the timing potentially affected by the impacts of Hurricane Oscar which are still to be assessed. Hurricane Oscar, which weakened to a tropical storm, is not anticipated to have any material impact to the mine site beyond the potential for minor delays in timing for power from the national grid to be restored. With the impact of the power outage minimized by the operation’s backup power supply and prudent risk mitigation planning, there is not expected to be a material impact to mixed sulphides production.

Sherritt’s Power division has played a meaningful role in assisting to restore power to the Cuban national grid. Teams at Energas S.A. ("Energas") worked unceasingly since the power outage occurred, partially or fully restoring operations at all Energas facilities by Saturday, October 19th with some intermittent temporary disruptions occurring since then given the complexities with establishing power to the grid.

Sherritt continues to stand in solidarity with its Cuban partners, collaborating to achieve the complete restoration of power to the Cuban national grid.

About Sherritt International

Sherritt is a world leader in using hydrometallurgical processes to mine and refine nickel and cobalt – metals deemed critical for the energy transition. Sherritt’s Moa Joint Venture has a current estimated mine life of 25 years and has embarked on an expansion program focused on increasing annual mixed sulphide precipitate production by approximately 20% of contained nickel and cobalt. The Corporation’s Power division, through its ownership in Energas S.A., is the largest independent energy producer in Cuba with installed electrical generating capacity of 506 MW, representing approximately 10% of the national electrical generating capacity in Cuba. The Energas facilities are comprised of two combined cycle plants that produce low-cost electricity from one of the lowest carbon emitting sources of power in Cuba. Sherritt’s common shares are listed on the Toronto Stock Exchange under the symbol "S".