Notice of Change of Auditor — Brookmere & Co. → Crescent Audit Group

Notice is hereby given, pursuant to Section 4.11 of National Instrument 51-102 — Continuous Disclosure Obligations, that Brookmere & Co. (the "Former Auditor") has resigned as auditor of Northpeak Lithium Corp. (the "Company") effective May 31, 2024.

The board of directors has appointed Crescent Audit Group (the "Successor Auditor") to fill the vacancy until the next annual meeting of shareholders. The appointment of the Successor Auditor was considered and approved by the Audit Committee on May 29, 2024 and ratified by the board of directors on May 30, 2024.

There were no "reportable events" as defined in National Instrument 51-102 in connection with the change of auditor, including no disagreements, no unresolved issues, and no consultations with the Successor Auditor prior to appointment.

• Letter from Brookmere & Co. dated June 3, 2024 confirming agreement with the information set out in this Notice.
• Letter from Crescent Audit Group dated June 3, 2024 confirming agreement with the information set out in this Notice.

RESOLVED THAT the Audit Committee recommends to the board of directors that Crescent Audit Group be appointed as auditor of the Company to fill the vacancy created by the resignation of Brookmere & Co., to hold office until the next annual meeting of shareholders or until a successor is duly appointed.