SCHEDULE 13G/A 0001389277 XXXXXXXX LIVE 1 Common Stock 12/31/2025 0001921865 ASP Isotopes Inc. 00218A105 2200 ROSS AVENUE, SUITE 4575E DALLAS TX 75201 Rule 13d-1(b) BNP Paribas Asset Management UK Ltd X0 944326.00 0.00 944326.00 0.00 944326.00 0.9 IA ASP Isotopes Inc. 2200 ROSS AVENUE, SUITE 4575E, DALLAS, TEXAS, 75201. N IA 944.326.00 0.9 944,326.00 0 944,326.00 0 Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. BNP Paribas Asset Management UK Ltd Timothy Trotter 02/09/2026