Mr. Tom Halton reports

SHERRITT PROVIDES NOTICE OF SECOND QUARTER 2025 RESULTS CONFERENCE CALL

Sherritt International Corp. will release its second quarter 2025 results after market close on July 29, 2025. Senior management will host a conference call and webcast on July 30, 2025, at 10 a.m. ET to review Sherritt's second quarter 2025 financial and operational performance.

Dial-in and webcast details:

North America dial-in number:   1-800-717-1738

Passcode:  22560

International dial-in number:  1-289-514-5100

Passcode:  22560

Webcast and slide presentation:  on the Sherritt website

Please dial in 15 minutes before the start of the conference to secure a line and avoid delays. Alternatively, listeners will be able to access the conference call through the webcast available on Sherritt's website.

A copy of the webcast and replay of the conference call will be available on the website following the presentation.

About Sherritt International Corp.

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 an estimated mine life of approximately 25 years and is advancing an expansion program focused on increasing annual MSP (mixed sulphide precipitate) production by 20 per cent of contained nickel and cobalt. The corporation's power division, through its ownership in Energas, is the largest independent energy producer in Cuba with installed electrical generating capacity of 506 megawatts, representing approximately 10 per cent of the national electrical generating capacity in Cuba. The Energas facilities comprise 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.