X0607 3 2026-04-24 0 0002088896 X-Energy, Inc. XE 0001994716 GARCIA LAURA false C/O X-ENERGY, INC. 530 GAITHER ROAD, SUITE 700 ROCKVILLE MD 20850 0 1 0 0 Chief Accounting Officer Class A Common Stock 195622 D Stock Option 23 2036-04-24 Class A Common Stock 73473 D Includes 75,254 shares of restricted stock. The stock option is vested as to 34,130 of the underlying shares. The stock option vests as to 8,284 of the underlying shares on December 1, 2026, as to 9,278 of the underlying shares in two substantially equal annual installments beginning on January 1, 2027, and as to 21,781 of the underlying shares in four substantially equal annual installments beginning on December 23, 2026. Exhibit 24 - Power of Attorney. /s/ Elizabeth Petrone, Attorney-in-Fact 2026-04-24