STDN · Standard Nuclear, Inc.

Represents shares of Class A Common Stock underlying an award of restricted stock units ("RSUs"). 100% of the RSUs will vest on the earlier of (i) the day before the Issuer's 2027 Annual Meeting of Stockholders or (ii) the one-year anniversary of the grant date, subject to the Reporting Person's continued service as a member of the Board of Directors of the Issuer through such vesting date.

Represents a bona fide gift by the Reporting Person, for no consideration, to a trust established for the benefit of members of the Reporting Person's immediate family, as further described in the footnotes below. The Reporting Person is subject to a lock-up agreement that was entered into with the representatives of the underwriters in connection with the Issuer's initial public offering of its Class A Common Stock (the "IPO"). The shares were transferred by the Reporting Person to the trust as a bona fide gift not involving a disposition for value, which is a permissible exception under the terms of the lock-up agreement. In connection with the gift, the trustee of the trust has executed and delivered to the representatives of the underwriters a lock-up agreement in the form entered into by the Reporting Person in connection with the IPO, and the shares held by the trust remain subject to the restrictions on transfer set forth therein for the balance of the applicable lock-up period

Represents a bona fide gift by the Reporting Person, for no consideration, to a trust established for the benefit of members of the Reporting Person's immediate family, as further described in the footnotes below. The Reporting Person is subject to a lock-up agreement that was entered into with the representatives of the underwriters in connection with the Issuer's initial public offering of its Class A Common Stock (the "IPO"). The shares were transferred by the Reporting Person to the trust as a bona fide gift not involving a disposition for value, which is a permissible exception under the terms of the lock-up agreement. In connection with the gift, the trustee of the trust has executed and delivered to the representatives of the underwriters a lock-up agreement in the form entered into by the Reporting Person in connection with the IPO, and the shares held by the trust remain subject to the restrictions on transfer set forth therein for the balance of the applicable lock-up period

These shares are held by the LKT 2026 Irrevocable Trust, dated June 25, 2026, a trust for the benefit of members of the Reporting Person's immediate family, of which Leila Karim Tehrani serves as the trustee. By virtue of his relationship with the beneficiaries of the trust, the Reporting Person is deemed to have an indirect beneficial interest in the shares held by the trust. The Reporting Person disclaims beneficial ownership of the shares held by the trust

Represents a bona fide gift by the Reporting Person, for no consideration, to a trust established for the benefit of members of the Reporting Person's immediate family, as further described in the footnotes below. The Reporting Person is subject to a lock-up agreement that was entered into with the representatives of the underwriters in connection with the Issuer's initial public offering of its Class A Common Stock (the "IPO"). The shares were transferred by the Reporting Person to the trust as a bona fide gift not involving a disposition for value, which is a permissible exception under the terms of the lock-up agreement. In connection with the gift, the trustee of the trust has executed and delivered to the representatives of the underwriters a lock-up agreement in the form entered into by the Reporting Person in connection with the IPO, and the shares held by the trust remain subject to the restrictions on transfer set forth therein for the balance of the applicable lock-up period

Represents a bona fide gift by the Reporting Person, for no consideration, to a trust established for the benefit of members of the Reporting Person's immediate family, as further described in the footnotes below. The Reporting Person is subject to a lock-up agreement that was entered into with the representatives of the underwriters in connection with the Issuer's initial public offering of its Class A Common Stock (the "IPO"). The shares were transferred by the Reporting Person to the trust as a bona fide gift not involving a disposition for value, which is a permissible exception under the terms of the lock-up agreement. In connection with the gift, the trustee of the trust has executed and delivered to the representatives of the underwriters a lock-up agreement in the form entered into by the Reporting Person in connection with the IPO, and the shares held by the trust remain subject to the restrictions on transfer set forth therein for the balance of the applicable lock-up period

These shares are held by the EKG 2026 Irrevocable Trust, dated June 25, 2026, a trust for the benefit of members of the Reporting Person's immediate family, of which Leila Karim Tehrani serves as the trustee. By virtue of his relationship with the beneficiaries of the trust, the Reporting Person is deemed to have an indirect beneficial interest in the shares held by the trust. The Reporting Person disclaims beneficial ownership of the shares held by the trust.

Represents a bona fide gift by the Reporting Person, for no consideration, to a trust established for the benefit of members of the Reporting Person's immediate family, as further described in the footnotes below. The Reporting Person is subject to a lock-up agreement that was entered into with the representatives of the underwriters in connection with the Issuer's initial public offering of its Class A Common Stock (the "IPO"). The shares were transferred by the Reporting Person to the trust as a bona fide gift not involving a disposition for value, which is a permissible exception under the terms of the lock-up agreement. In connection with the gift, the trustee of the trust has executed and delivered to the representatives of the underwriters a lock-up agreement in the form entered into by the Reporting Person in connection with the IPO, and the shares held by the trust remain subject to the restrictions on transfer set forth therein for the balance of the applicable lock-up period

Represents a bona fide gift by the Reporting Person, for no consideration, to a trust established for the benefit of members of the Reporting Person's immediate family, as further described in the footnotes below. The Reporting Person is subject to a lock-up agreement that was entered into with the representatives of the underwriters in connection with the Issuer's initial public offering of its Class A Common Stock (the "IPO"). The shares were transferred by the Reporting Person to the trust as a bona fide gift not involving a disposition for value, which is a permissible exception under the terms of the lock-up agreement. In connection with the gift, the trustee of the trust has executed and delivered to the representatives of the underwriters a lock-up agreement in the form entered into by the Reporting Person in connection with the IPO, and the shares held by the trust remain subject to the restrictions on transfer set forth therein for the balance of the applicable lock-up period

Represents a bona fide gift by the Reporting Person, for no consideration, to a trust established for the benefit of members of the Reporting Person's immediate family, as further described in the footnotes below. The Reporting Person is subject to a lock-up agreement that was entered into with the representatives of the underwriters in connection with the Issuer's initial public offering of its Class A Common Stock (the "IPO"). The shares were transferred by the Reporting Person to the trust as a bona fide gift not involving a disposition for value, which is a permissible exception under the terms of the lock-up agreement. In connection with the gift, the trustee of the trust has executed and delivered to the representatives of the underwriters a lock-up agreement in the form entered into by the Reporting Person in connection with the IPO, and the shares held by the trust remain subject to the restrictions on transfer set forth therein for the balance of the applicable lock-up period

These shares are held by the MT 2026 Irrevocable Trust, dated July 10, 2026, a trust for the benefit of members of the Reporting Person's immediate family, of which Merran Terrani serves as the trustee. By virtue of his relationship with the beneficiaries of the trust, the Reporting Person is deemed to have an indirect beneficial interest in the shares held by the trust. The Reporting Person disclaims beneficial ownership of the shares held by the trust.

Represents a bona fide gift by the Reporting Person, for no consideration, to a trust established for the benefit of members of the Reporting Person's immediate family, as further described in the footnotes below. The Reporting Person is subject to a lock-up agreement that was entered into with the representatives of the underwriters in connection with the Issuer's initial public offering of its Class A Common Stock (the "IPO"). The shares were transferred by the Reporting Person to the trust as a bona fide gift not involving a disposition for value, which is a permissible exception under the terms of the lock-up agreement. In connection with the gift, the trustee of the trust has executed and delivered to the representatives of the underwriters a lock-up agreement in the form entered into by the Reporting Person in connection with the IPO, and the shares held by the trust remain subject to the restrictions on transfer set forth therein for the balance of the applicable lock-up period

Represents a bona fide gift by the Reporting Person, for no consideration, to a trust established for the benefit of members of the Reporting Person's immediate family, as further described in the footnotes below. The Reporting Person is subject to a lock-up agreement that was entered into with the representatives of the underwriters in connection with the Issuer's initial public offering of its Class A Common Stock (the "IPO"). The shares were transferred by the Reporting Person to the trust as a bona fide gift not involving a disposition for value, which is a permissible exception under the terms of the lock-up agreement. In connection with the gift, the trustee of the trust has executed and delivered to the representatives of the underwriters a lock-up agreement in the form entered into by the Reporting Person in connection with the IPO, and the shares held by the trust remain subject to the restrictions on transfer set forth therein for the balance of the applicable lock-up period

These shares are held by the DSC 2026 Irrevocable Trust, dated June 24, 2026, a trust for the benefit of members of the Reporting Person's immediate family, of which Denise Sarah Castley serves as the trustee. By virtue of his relationship with the beneficiaries of the trust, the Reporting Person is deemed to have an indirect beneficial interest in the shares held by the trust. The Reporting Person disclaims beneficial ownership of the shares held by the trust.

Represents a bona fide gift by the Reporting Person, for no consideration, to a trust established for the benefit of members of the Reporting Person's immediate family, as further described in the footnotes below. The Reporting Person is subject to a lock-up agreement that was entered into with the representatives of the underwriters in connection with the Issuer's initial public offering of its Class A Common Stock (the "IPO"). The shares were transferred by the Reporting Person to the trust as a bona fide gift not involving a disposition for value, which is a permissible exception under the terms of the lock-up agreement. In connection with the gift, the trustee of the trust has executed and delivered to the representatives of the underwriters a lock-up agreement in the form entered into by the Reporting Person in connection with the IPO, and the shares held by the trust remain subject to the restrictions on transfer set forth therein for the balance of the applicable lock-up period

These shares are held by the Terrani 2026 Irrevocable Family Trust, dated June 24, 2026, a trust for the benefit of members of the Reporting Person's immediate family, of which Denise Sarah Castley serves as the trustee. By virtue of his relationship with the beneficiaries of the trust, the Reporting Person is deemed to have an indirect beneficial interest in the shares held by the trust. The Reporting Person disclaims beneficial ownership of the shares held by the trust.

Pursuant to the Issuer's Fifth Amended and Restated Certificate of Incorporation, in connection with the completion of the Issuer's initial public offering of its Class A Common Stock, each share of Series Seed-1 Preferred Stock, Series A Preferred Stock, and Series A-2 Preferred Stock was automatically converted into shares of Class A Common Stock at a ratio of 1-for-1.

Pursuant to the Issuer's Fifth Amended and Restated Certificate of Incorporation, in connection with the completion of the Issuer's initial public offering of its Class A Common Stock, each share of Series Seed Preferred, Series Seed-1 Preferred, Series A Preferred, and Series A-2 Preferred was automatically converted into shares of Class A Common Stock at a ratio of 1-for-1.

The Reporting Person exercises voting and dispositive control over the securities held by Decisive Point - Standard Nuclear I, Decisive Point - Standard Nuclear II, Decisive Point - Standard Nuclear III, Decisive Point - Standard Nuclear IV, LLC, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.

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.

The Series Seed-1 Preferred Stock, Series A Preferred Stock, and Series A-2 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.

Fundomo SN-001 GP, LLC ("SN-001 GP") is the sole general partner of Fundomo SN-001, LP ("SN-001"). Fundomo SN-002 GP, LLC ("SN-002 GP") is the sole general partner of Fundomo SN-002, LP ("SN-002"). Corey L. Nobile is the sole member of SN-001 GP and SN-002 GP. Each of SN-001 GP, SN-002 GP, and Corey L. Nobile may be deemed to share voting and dispositive power with respect to the shares held directly by SN-001 (in the case of SN-001 GP) and SN-002 (in the case of SN-002 GP), respectively.

ST-1014 Fund I, a series of Fundomo Syndicates, LP ("ST-1014 Fund I") may be considered an affiliate of SN-001, SN-002, SN-001 GP and 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. As the fund lead under such limited partnership agreement, Corey L. Nobile may also be considered to have shared voting and dispositive powers over such shares. None of SN-001, SN-002, SN-001 GP, or SN-002 GP has voting or dispositive power over such shares.

Each of the reporting persons and entities disclaims beneficial ownership of the reported securities (except to the extent of such person's or entity's pecuniary interest in such securities). The filing of this statement by the reporting persons shall not be deemed an admission that such persons are, 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.

Pursuant to the Issuer's Fifth Amended and Restated Certificate of Incorporation, in connection with the completion of the Issuer's initial public offering of its Class A Common Stock, each share of Series Seed Preferred, Series Seed-1 Preferred, Series A Preferred, and Series A-2 Preferred was automatically converted into shares of Class A Common Stock at a ratio of 1-for-1.

The Reporting Person exercises voting and dispositive control over the securities held by Decisive Point - Standard Nuclear I, Decisive Point - Standard Nuclear II, Decisive Point - Standard Nuclear III, Decisive Point - Standard Nuclear IV, LLC, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.

Pursuant to the Issuer's Fifth Amended and Restated Certificate of Incorporation, in connection with the completion of the Issuer's initial public offering of its Class A Common Stock, each share of Series Seed-1 Preferred Stock, Series A Preferred Stock, and Series A-2 Preferred Stock was automatically converted into shares of Class A Common Stock at a ratio of 1-for-1.

Pursuant to the Issuer's Fifth Amended and Restated Certificate of Incorporation, in connection with the completion of the Issuer's initial public offering of its Class A Common Stock, each share of Series Seed Preferred, Series Seed-1 Preferred, Series A Preferred, and Series A-2 Preferred was automatically converted into shares of Class A Common Stock at a ratio of 1-for-1.

The Reporting Person exercises voting and dispositive control over the securities held by Decisive Point - Standard Nuclear I, Decisive Point - Standard Nuclear II, Decisive Point - Standard Nuclear III, Decisive Point - Standard Nuclear IV, LLC, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.

Pursuant to the Issuer's Fifth Amended and Restated Certificate of Incorporation, in connection with the completion of the Issuer's initial public offering of its Class A Common Stock, each share of Series Seed Preferred, Series Seed-1 Preferred, Series A Preferred, and Series A-2 Preferred was automatically converted into shares of Class A Common Stock at a ratio of 1-for-1.

The Reporting Person exercises voting and dispositive control over the securities held by Decisive Point - Standard Nuclear I, Decisive Point - Standard Nuclear II, Decisive Point - Standard Nuclear III, Decisive Point - Standard Nuclear IV, LLC, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.

The Series Seed-1 Preferred Stock, Series A Preferred Stock, and Series A-2 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.

The Form 4 filed on July 21, 2026 is amended herein to correct a clerical error in Box 5 of Table II. Consistent with the disposition of the underlying preferred stock upon its conversion into Class A Common Stock as described in the accompanying footnotes, the number of derivative securities disposed of should have been entered under the "(D)" column in Box 5, but was inadvertently reported under the "(A)" column. The Form 4 remains otherwise unmodified.

Fundomo SN-001 GP, LLC ("SN-001 GP") is the sole general partner of Fundomo SN-001, LP ("SN-001"). Fundomo SN-002 GP, LLC ("SN-002 GP") is the sole general partner of Fundomo SN-002, LP ("SN-002"). Corey Nobile is the sole member of SN-001 GP and SN-002 GP. Each of SN-001 GP, SN-002 GP, and Corey Nobile may be deemed to share voting and dispositive power with respect to the shares held directly by SN-001 (in the case of SN-001 GP) and SN-002 (in the case of SN-002 GP), respectively.

ST-1014 Fund I, a series of Fundomo Syndicates, LP ("ST-1014 Fund I") may be considered an affiliate of SN-001, SN-002, SN-001 GP and 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 the reporting persons named herein has voting or dispositive power over such shares.

Each of the reporting persons and entities disclaims beneficial ownership of the reported securities (except to the extent of such person's or entity's pecuniary interest in such securities). The filing of this statement by the reporting persons shall not be deemed an admission that such persons are, 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.

Represents shares of Class A Common Stock underlying an award of restricted stock units ("RSUs"). The RSUs will vest over three years in quarterly installments of 1/12th, subject to the Reporting Person's continued service through each vesting date. Each share of Class A Common Stock received upon the settlement of the RSU may be exchanged by the Reporting Person into one share of the Issuer's Class B Common Stock.

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.

In connection with the completion of the Issuer's initial public offering of its Class A Common Stock (the "IPO"), each share of Series Seed Preferred, Series Seed-1 Preferred, Series A Preferred, and Series A-2 Preferred was automatically converted into shares of Class A Common Stock at a ratio of 1-for-1.

Andrew Price is the trustee of the trust and may be replaced at the discretion of the Reporting Person. Pursuant to a voting agreement entered into with the trust, the Reporting Person has sole voting and dispositive control over such securities. By virtue of his relationship with the trust, the Reporting Person is deemed to have an indirect beneficial interest in the shares held by the trust.

The Series Seed-1 Preferred Stock, Series A Preferred Stock, and Series A-2 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.

The Form 4 filed on July 21, 2026 is amended herein to correct a clerical error in Box 5 of Table II. Consistent with the disposition of the underlying preferred stock upon its conversion into Class A Common Stock as described in the accompanying footnotes, the number of derivative securities disposed of should have been entered under the "(D)" column in Box 5, but was inadvertently reported under the "(A)" column. The Form 4 remains otherwise unmodified.

Fundomo SN-001 GP, LLC ("SN-001 GP") is the sole general partner of Fundomo SN-001, LP ("SN-001"). Fundomo SN-002 GP, LLC ("SN-002 GP") is the sole general partner of Fundomo SN-002, LP ("SN-002"). Corey Nobile is the sole member of SN-001 GP and SN-002 GP. Each of SN-001 GP, SN-002 GP, and Corey Nobile may be deemed to share voting and dispositive power with respect to the shares held directly by SN-001 (in the case of SN-001 GP) and SN-002 (in the case of SN-002 GP), respectively.

ST-1014 Fund I, a series of Fundomo Syndicates, LP ("ST-1014 Fund I") may be considered an affiliate of SN-001, SN-002, SN-001 GP and 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 the reporting persons named herein has voting or dispositive power over such shares.

Each of the reporting persons and entities disclaims beneficial ownership of the reported securities (except to the extent of such person's or entity's pecuniary interest in such securities). The filing of this statement by the reporting persons shall not be deemed an admission that such persons are, 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.

Pursuant to the Issuer's Fifth Amended and Restated Certificate of Incorporation, in connection with the completion of the Issuer's initial public offering of its Class A Common Stock, each share of Series Seed Preferred, Series Seed-1 Preferred, Series A Preferred, and Series A-2 Preferred was automatically converted into shares of Class A Common Stock at a ratio of 1-for-1.

The Reporting Person exercises voting and dispositive control over the securities held by Decisive Point - Standard Nuclear I, Decisive Point - Standard Nuclear II, Decisive Point - Standard Nuclear III, Decisive Point - Standard Nuclear IV, LLC, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.

Pursuant to the Issuer's Fifth Amended and Restated Certificate of Incorporation, in connection with the completion of the Issuer's initial public offering of its Class A Common Stock, each share of Series Seed-1 Preferred Stock, Series A Preferred Stock, and Series A-2 Preferred Stock was automatically converted into shares of Class A Common Stock at a ratio of 1-for-1.

Pursuant to the Issuer's Fifth Amended and Restated Certificate of Incorporation, in connection with the completion of the Issuer's initial public offering of its Class A Common Stock, each share of Series Seed Preferred, Series Seed-1 Preferred, Series A Preferred, and Series A-2 Preferred was automatically converted into shares of Class A Common Stock at a ratio of 1-for-1.

The Reporting Person exercises voting and dispositive control over the securities held by Decisive Point - Standard Nuclear I, Decisive Point - Standard Nuclear II, Decisive Point - Standard Nuclear III, Decisive Point - Standard Nuclear IV, LLC, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.

Represents shares of Class A Common Stock underlying an award of RSUs. The RSUs will vest over three years in quarterly installments of 1/12th, subject to the Reporting Person's continued service through each vesting date.

Represents shares of Class A Common Stock underlying an award of RSUs. The RSUs will vest over three years in quarterly installments of 1/12th, subject to the Reporting Person's continued service through each vesting date.

Represents shares of Class A Common Stock underlying an award of restricted stock units ("RSUs"). The RSUs will vest in quarterly installments of 1/12th over three years, subject to the Reporting Person's continued service through each vesting date.

Pursuant to the Issuer's Fifth Amended and Restated Certificate of Incorporation, in connection with the completion of the Issuer's initial public offering of its Class A Common Stock, each share of Series Seed Preferred, Series Seed-1 Preferred, Series A Preferred, and Series A-2 Preferred was automatically converted into shares of Class A Common Stock at a ratio of 1-for-1.

The Reporting Person exercises voting and dispositive control over the securities held by Decisive Point - Standard Nuclear I, Decisive Point - Standard Nuclear II, Decisive Point - Standard Nuclear III, Decisive Point - Standard Nuclear IV, LLC, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.

Each outstanding share of Class B Common Stock is convertible into one share of the Issuer's Class A common stock at any time, (i) at the option of the Reporting Person, (ii) automatically upon any transfer, whether or not for value (except for certain permitted transfers), or (iii) upon the occurrence of certain events or conditions, as described further in the Issuer's Sixth Amended and Restated Certificate of Incorporation.

Pursuant to an Exchange Agreement entered into between the Issuer and the trust, all 5,824,308 shares of Class A Common Stock held by the trust after giving effect to the Preferred Conversion were exchanged for an equivalent number of newly issued shares of Class B Common Stock on a one-for-one basis upon the effectiveness of the Issuer's Sixth Amended and Restated Certificate of Incorporation which was filed in connection with the completion of the IPO.

Andrew Price is the trustee of the trust and may be replaced at the discretion of the Reporting Person. Pursuant to a voting agreement entered into with the trust, the Reporting Person has sole voting and dispositive control over such securities. By virtue of his relationship with the trust, the Reporting Person is deemed to have an indirect beneficial interest in the shares held by the trust.

Pursuant to the Issuer's Fifth Amended and Restated Certificate of Incorporation, in connection with the completion of the Issuer's initial public offering of its Class A Common Stock, each share of Series Seed Preferred, Series Seed-1 Preferred, Series A Preferred, and Series A-2 Preferred was automatically converted into shares of Class A Common Stock at a ratio of 1-for-1.

The Reporting Person exercises voting and dispositive control over the securities held by Decisive Point - Standard Nuclear I, Decisive Point - Standard Nuclear II, Decisive Point - Standard Nuclear III, Decisive Point - Standard Nuclear IV, LLC, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.

Pursuant to the Issuer's Fifth Amended and Restated Certificate of Incorporation, in connection with the completion of the Issuer's initial public offering of its Class A Common Stock, each share of Series Seed Preferred, Series Seed-1 Preferred, Series A Preferred, and Series A-2 Preferred was automatically converted into shares of Class A Common Stock at a ratio of 1-for-1.

The Reporting Person exercises voting and dispositive control over the securities held by Decisive Point - Standard Nuclear I, Decisive Point - Standard Nuclear II, Decisive Point - Standard Nuclear III, Decisive Point - Standard Nuclear IV, LLC, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.

The Series Seed-1 Preferred Stock, Series A Preferred Stock, and Series A-2 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.

Fundomo SN-001 GP, LLC ("SN-001 GP") is the sole general partner of Fundomo SN-001, LP ("SN-001"). Fundomo SN-002 GP, LLC ("SN-002 GP") is the sole general partner of Fundomo SN-002, LP ("SN-002"). Corey L. Nobile is the sole member of SN-001 GP and SN-002 GP. Each of SN-001 GP, SN-002 GP, and Corey L. Nobile may be deemed to share voting and dispositive power with respect to the shares held directly by SN-001 (in the case of SN-001 GP) and SN-002 (in the case of SN-002 GP), respectively.

ST-1014 Fund I, a series of Fundomo Syndicates, LP ("ST-1014 Fund I") may be considered an affiliate of SN-001, SN-002, SN-001 GP and 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. As the fund lead under such limited partnership agreement, Corey L. Nobile may also be considered to have shared voting and dispositive powers over such shares. None of SN-001, SN-002, SN-001 GP, or SN-002 GP has voting or dispositive power over such shares.

Each of the reporting persons and entities disclaims beneficial ownership of the reported securities (except to the extent of such person's or entity's pecuniary interest in such securities). The filing of this statement by the reporting persons shall not be deemed an admission that such persons are, 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.

Pursuant to the Issuer's Fifth Amended and Restated Certificate of Incorporation, in connection with the completion of the Issuer's initial public offering of its Class A Common Stock, each share of Series Seed Preferred, Series Seed-1 Preferred, Series A Preferred, and Series A-2 Preferred was automatically converted into shares of Class A Common Stock at a ratio of 1-for-1.

The Reporting Person exercises voting and dispositive control over the securities held by Decisive Point - Standard Nuclear I, Decisive Point - Standard Nuclear II, Decisive Point - Standard Nuclear III, Decisive Point - Standard Nuclear IV, LLC, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.

The Series Seed-1 Preferred Stock, Series A Preferred Stock, and Series A-2 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.

The Form 4 filed on July 21, 2026 is amended herein to correct a clerical error in Box 5 of Table II. Consistent with the disposition of the underlying preferred stock upon its conversion into Class A Common Stock as described in the accompanying footnotes, the number of derivative securities disposed of should have been entered under the "(D)" column in Box 5, but was inadvertently reported under the "(A)" column. The Form 4 remains otherwise unmodified.

Fundomo SN-001 GP, LLC ("SN-001 GP") is the sole general partner of Fundomo SN-001, LP ("SN-001"). Fundomo SN-002 GP, LLC ("SN-002 GP") is the sole general partner of Fundomo SN-002, LP ("SN-002"). Corey Nobile is the sole member of SN-001 GP and SN-002 GP. Each of SN-001 GP, SN-002 GP, and Corey Nobile may be deemed to share voting and dispositive power with respect to the shares held directly by SN-001 (in the case of SN-001 GP) and SN-002 (in the case of SN-002 GP), respectively.

ST-1014 Fund I, a series of Fundomo Syndicates, LP ("ST-1014 Fund I") may be considered an affiliate of SN-001, SN-002, SN-001 GP and 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 the reporting persons named herein has voting or dispositive power over such shares.

Each of the reporting persons and entities disclaims beneficial ownership of the reported securities (except to the extent of such person's or entity's pecuniary interest in such securities). The filing of this statement by the reporting persons shall not be deemed an admission that such persons are, 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.

The Series Seed-1 Preferred Stock, Series A Preferred Stock, and Series A-2 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.

Fundomo SN-001 GP, LLC ("SN-001 GP") is the sole general partner of Fundomo SN-001, LP ("SN-001"). Fundomo SN-002 GP, LLC ("SN-002 GP") is the sole general partner of Fundomo SN-002, LP ("SN-002"). Corey L. Nobile is the sole member of SN-001 GP and SN-002 GP. Each of SN-001 GP, SN-002 GP, and Corey L. Nobile may be deemed to share voting and dispositive power with respect to the shares held directly by SN-001 (in the case of SN-001 GP) and SN-002 (in the case of SN-002 GP), respectively.

ST-1014 Fund I, a series of Fundomo Syndicates, LP ("ST-1014 Fund I") may be considered an affiliate of SN-001, SN-002, SN-001 GP and 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. As the fund lead under such limited partnership agreement, Corey L. Nobile may also be considered to have shared voting and dispositive powers over such shares. None of SN-001, SN-002, SN-001 GP, or SN-002 GP has voting or dispositive power over such shares.

Each of the reporting persons and entities disclaims beneficial ownership of the reported securities (except to the extent of such person's or entity's pecuniary interest in such securities). The filing of this statement by the reporting persons shall not be deemed an admission that such persons are, 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.

Pursuant to the Issuer's Fifth Amended and Restated Certificate of Incorporation, in connection with the completion of the Issuer's initial public offering of its Class A Common Stock, each share of Series Seed Preferred, Series Seed-1 Preferred, Series A Preferred, and Series A-2 Preferred was automatically converted into shares of Class A Common Stock at a ratio of 1-for-1.

The Reporting Person exercises voting and dispositive control over the securities held by Decisive Point - Standard Nuclear I, Decisive Point - Standard Nuclear II, Decisive Point - Standard Nuclear III, Decisive Point - Standard Nuclear IV, LLC, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.

Pursuant to the Issuer's Fifth Amended and Restated Certificate of Incorporation, in connection with the completion of the Issuer's initial public offering of its Class A Common Stock, each share of Series Seed Preferred, Series Seed-1 Preferred, Series A Preferred, and Series A-2 Preferred was automatically converted into shares of Class A Common Stock at a ratio of 1-for-1.

The Reporting Person exercises voting and dispositive control over the securities held by Decisive Point - Standard Nuclear I, Decisive Point - Standard Nuclear II, Decisive Point - Standard Nuclear III, Decisive Point - Standard Nuclear IV, LLC, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.

Pursuant to an Exchange Agreement entered into between the Issuer and the trust, all 5,824,308 shares of Class A Common Stock held by the trust after giving effect to the Preferred Conversion were exchanged for an equivalent number of newly issued shares of Class B Common Stock on a one-for-one basis upon the effectiveness of the Issuer's Sixth Amended and Restated Certificate of Incorporation which was filed in connection with the completion of the IPO.

Andrew Price is the trustee of the trust and may be replaced at the discretion of the Reporting Person. Pursuant to a voting agreement entered into with the trust, the Reporting Person has sole voting and dispositive control over such securities. By virtue of his relationship with the trust, the Reporting Person is deemed to have an indirect beneficial interest in the shares held by the trust.

Pursuant to the Issuer's Fifth Amended and Restated Certificate of Incorporation, in connection with the completion of the Issuer's initial public offering of its Class A Common Stock, each share of Series Seed Preferred, Series Seed-1 Preferred, Series A Preferred, and Series A-2 Preferred was automatically converted into shares of Class A Common Stock at a ratio of 1-for-1.

The Reporting Person exercises voting and dispositive control over the securities held by Decisive Point - Standard Nuclear I, Decisive Point - Standard Nuclear II, Decisive Point - Standard Nuclear III, Decisive Point - Standard Nuclear IV, LLC, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.

Pursuant to the Issuer's Fifth Amended and Restated Certificate of Incorporation, in connection with the completion of the Issuer's initial public offering of its Class A Common Stock, each share of Series Seed-1 Preferred Stock, Series A Preferred Stock, and Series A-2 Preferred Stock was automatically converted into shares of Class A Common Stock at a ratio of 1-for-1.

The Series Seed-1 Preferred Stock, Series A Preferred Stock, and Series A-2 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.

Fundomo SN-001 GP, LLC ("SN-001 GP") is the sole general partner of Fundomo SN-001, LP ("SN-001"). Fundomo SN-002 GP, LLC ("SN-002 GP") is the sole general partner of Fundomo SN-002, LP ("SN-002"). Corey L. Nobile is the sole member of SN-001 GP and SN-002 GP. Each of SN-001 GP, SN-002 GP, and Corey L. Nobile may be deemed to share voting and dispositive power with respect to the shares held directly by SN-001 (in the case of SN-001 GP) and SN-002 (in the case of SN-002 GP), respectively.

ST-1014 Fund I, a series of Fundomo Syndicates, LP ("ST-1014 Fund I") may be considered an affiliate of SN-001, SN-002, SN-001 GP and 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. As the fund lead under such limited partnership agreement, Corey L. Nobile may also be considered to have shared voting and dispositive powers over such shares. None of SN-001, SN-002, SN-001 GP, or SN-002 GP has voting or dispositive power over such shares.

Each of the reporting persons and entities disclaims beneficial ownership of the reported securities (except to the extent of such person's or entity's pecuniary interest in such securities). The filing of this statement by the reporting persons shall not be deemed an admission that such persons are, 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.

In connection with the completion of the Issuer's initial public offering of its Class A Common Stock (the "IPO"), each share of Series Seed Preferred, Series Seed-1 Preferred, Series A Preferred, and Series A-2 Preferred was automatically converted into shares of Class A Common Stock at a ratio of 1-for-1.

Andrew Price is the trustee of the trust and may be replaced at the discretion of the Reporting Person. Pursuant to a voting agreement entered into with the trust, the Reporting Person has sole voting and dispositive control over such securities. By virtue of his relationship with the trust, the Reporting Person is deemed to have an indirect beneficial interest in the shares held by the trust.

The Series Seed-1 Preferred Stock, Series A Preferred Stock, and Series A-2 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.

Fundomo SN-001 GP, LLC ("SN-001 GP") is the sole general partner of Fundomo SN-001, LP ("SN-001"). Fundomo SN-002 GP, LLC ("SN-002 GP") is the sole general partner of Fundomo SN-002, LP ("SN-002"). Corey L. Nobile is the sole member of SN-001 GP and SN-002 GP. Each of SN-001 GP, SN-002 GP, and Corey L. Nobile may be deemed to share voting and dispositive power with respect to the shares held directly by SN-001 (in the case of SN-001 GP) and SN-002 (in the case of SN-002 GP), respectively.

ST-1014 Fund I, a series of Fundomo Syndicates, LP ("ST-1014 Fund I") may be considered an affiliate of SN-001, SN-002, SN-001 GP and 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. As the fund lead under such limited partnership agreement, Corey L. Nobile may also be considered to have shared voting and dispositive powers over such shares. None of SN-001, SN-002, SN-001 GP, or SN-002 GP has voting or dispositive power over such shares.

Each of the reporting persons and entities disclaims beneficial ownership of the reported securities (except to the extent of such person's or entity's pecuniary interest in such securities). The filing of this statement by the reporting persons shall not be deemed an admission that such persons are, 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.

Pursuant to the Issuer's Fifth Amended and Restated Certificate of Incorporation, in connection with the completion of the Issuer's initial public offering of its Class A Common Stock, each share of Series Seed Preferred, Series Seed-1 Preferred, Series A Preferred, and Series A-2 Preferred was automatically converted into shares of Class A Common Stock at a ratio of 1-for-1.

The Reporting Person exercises voting and dispositive control over the securities held by Decisive Point - Standard Nuclear I, Decisive Point - Standard Nuclear II, Decisive Point - Standard Nuclear III, Decisive Point - Standard Nuclear IV, LLC, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.

The Series Seed-1 Preferred Stock, Series A Preferred Stock, and Series A-2 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.

Fundomo SN-001 GP, LLC ("SN-001 GP") is the sole general partner of Fundomo SN-001, LP ("SN-001"). Fundomo SN-002 GP, LLC ("SN-002 GP") is the sole general partner of Fundomo SN-002, LP ("SN-002"). Corey L. Nobile is the sole member of SN-001 GP and SN-002 GP. Each of SN-001 GP, SN-002 GP, and Corey L. Nobile may be deemed to share voting and dispositive power with respect to the shares held directly by SN-001 (in the case of SN-001 GP) and SN-002 (in the case of SN-002 GP), respectively.

ST-1014 Fund I, a series of Fundomo Syndicates, LP ("ST-1014 Fund I") may be considered an affiliate of SN-001, SN-002, SN-001 GP and 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. As the fund lead under such limited partnership agreement, Corey L. Nobile may also be considered to have shared voting and dispositive powers over such shares. None of SN-001, SN-002, SN-001 GP, or SN-002 GP has voting or dispositive power over such shares.

Each of the reporting persons and entities disclaims beneficial ownership of the reported securities (except to the extent of such person's or entity's pecuniary interest in such securities). The filing of this statement by the reporting persons shall not be deemed an admission that such persons are, 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.

Represents shares of Class A Common Stock underlying an award of RSUs. The RSUs will vest over 18 months in quarterly installments of 1/6th, subject to the Reporting Persons continued service through each vesting date.

Represents shares purchased through a reserved share program in connection with the the Issuer's initial public offering of Class A Common Stock. These shares were purchased at the public offering price of $15 per share.

The Reporting Person exercises voting and dispositive control over the securities held by Decisive Point - Standard Nuclear I, Decisive Point - Standard Nuclear II, Decisive Point - Standard Nuclear III, Decisive Point - Standard Nuclear IV, LLC, Decisive Point - Standard Nuclear V, LLC and Decisive Point Ventures II Master Fund, L.P.