X0508 4 2026-01-27 0001385849 ENERGY FUELS INC UUUU 0001989355 KAPOSTASY DANIEL C/O ENERGY FUELS INC. 225 UNION BLVD., SUITE 600 LAKEWOOD CO 80228 false true false false VP, Technical Services false Common Shares 2026-01-27 4 A false 5554 0 A 70519 D Common Shares 2026-01-27 4 F false 7233 24.16 D 63286 D Performance-Based Stock Options ("Options") 26.07 2026-01-27 4 A false 6392 0 A 2031-01-26 Common Shares 6392 6392 D Represents grant of 5,554 restricted stock units which vest as follows: 50% on 1/27/2027; 25% on 1/27/2028; and 25% on 1/27/2029. Reflects grant of 6,392 Options having a strike price at a 10% premium of the grant price of $23.70, which vest as follows: 50% on 1/27/2027 and 50% on 1/27/2028. Exhibit 24.2 Power of Attorney /s/ Julia Hoffmeier as attorney-in-fact for Daniel Kapostasy 2026-01-29