X0609 4 2026-07-17 0 0002086716 Standard Nuclear, Inc. STDN 0002041625 ST-1014 Fund I, a series of Fundomo Syndicates, LP false PO BOX 3217 SEATTLE WA 98114 0 0 1 0 0 Class A Common Stock 2026-07-17 4 C 0 14000000 A 14000000 D Series Seed-1 Preferred Stock 2026-07-17 4 C 0 14000000 0 D Class A Common Stock 14000000 0 D The Series Seed-1 Preferred Stock automatically converted into Class A Common Stock of the Issuer on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The securities had no expiration date. ST-1014 Fund I, a series of Fundomo Syndicates, LP ("ST-1014 Fund I"), may be considered an affiliate of Fundomo SN-001, LP ("SN-001"), Fundomo SN-002, LP ("SN-002"), Fundomo SN-001 GP, LLC ("SN-001 GP"), and Fundomo SN-002 GP, LLC ("SN-002 GP"), but voting and dispositive power over the shares held directly by ST-1014 Fund I has been delegated on an irrevocable basis to an unaffiliated third-party investment adviser pursuant to the terms of ST-1014 Fund I's limited partnership agreement, and none of SN-001, SN-002, SN-001 GP, or SN-002 GP has voting or dispositive power over such shares. The reporting person disclaims beneficial ownership of the reported securities (except to the extent of such person's pecuniary interest in such securities). The filing of this statement by the reporting person shall not be deemed an admission that such person is, for purposes of Section 16 of the Securities and Exchange Act of 1934 or otherwise, the beneficial owner of any equity securities covered by this statement. ST-1014 Fund I, a series of Fundomo Syndicates, LP. By: Fund GP, LLC, its General Partner. By: Belltower Fund Group, Ltd., Agent. By: /s/ Paul Larkin, Authorized Person 2026-07-23