X0607 3 2026-03-18 0 0001769697 Frontier Nuclear & Minerals Inc. FNUC 0002123155 Imrie Brian true 360 MAIN STREET, 30TH FLOOR WINNIPEG A2 R3C 4G1 1 0 0 0 Common Shares 1538 D Stock Options (Right to Buy) 5 2028-01-30 Common Shares 3846 D Stock Options (Right to Buy) 3.08 2031-02-23 Common Shares 100000 D Restricted Stock Units Common Shares 11442 D Restricted Stock Units Common Shares 8209 D Restricted Stock Units Common Shares 12000 D The Stock Options are fully vested. The Stock Options were granted on February 23, 2026 under the Issuer's option plan. The Stock Options vest in accordance with the following schedule: (i) 50% vest on February 23, 2027 and (ii) 50% vest on February 23, 2028. The Restricted Stock Units ("RSUs") were granted on July 21, 2025 under the Issuer's restricted share unit award plan ("RSU Plan"). The RSUs will vest on such date as the Reporting Person may elect provided such date is within the time period allowed under the RSU Plan. The RSUs do not expire. Each RSU represents a contingent right to receive one Common Share or the cash equivalent thereof as allowed under the RSU plan. The RSUs were granted on February 23, 2026 under the Issuer's RSU Plan. The RSUs will vest as to the number of shares indicated and, on the later of (i) July 1, 2026; and (ii) such date as the Reporting Person may elect provided such date is within the time period allowed under the RSU Plan. Notwithstanding any provisions within the RSU Plan to the contrary, the RSUs shall be entitled to immediate vest upon the occurrence of a Change of Control (as defined in the RSU Plan) or if vesting is accelerated by the Issuer's Board of Directors. The RSUs were granted on February 23, 2026 under the Issuer's RSU Plan. The RSUs will vest on the later of (i) the earlier of (y) January 1, 2027, or (z) the market capitalization of the Issuer exceeding US$150,000,000 for 10 consecutive trading days; and (ii) such date as the Reporting Person may elect, provided such date is within the time period allowed under the RSU Plan. Imrie Brian 2026-03-23