Initial Statement of Beneficial Ownership

This filing is an Initial Statement of Beneficial Ownership (Form 3) for Elizabeth Suzanne Williams, reporting owner ID 0002032919, related to ONE Nuclear Energy Inc. (ONEN). The report date was September 23, 2026. Ms. Williams, who is a director at the company, does not beneficially own any securities of ONE Nuclear Energy Inc. Her address is C/O ONE NUCLEAR ENERGY INC., 700 S. ROSEMARY AVENUE, SUITE 204, WEST PALM BEACH, FL 33401. The signature date was September 25, 2026.