Company: HVIIR
Filing Date: 2025-12-23
Form Type: S-4
Source: 0001493152-25-029121
Chunk: 688

Company: Hennessy Capital Investment Corp. VII
Filing Date: 2025-12-23
Form: S-4
Chunk 688
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 transmission method and any counterpart so delivered shall be deemed to have been duly and validly delivered and be valid and effective for all purposes.

(n) Effectiveness. This Agreement shall be binding upon the Holder upon the Holder’s execution and delivery of this Agreement, but this Agreement shall only become effective upon the Closing. In the event that the BCA is validly terminated in accordance with its terms prior to the consummation of the Merger, this Agreement shall automatically terminate and become null and void, and the Parties shall have no obligations hereunder.

<div align='center'>[Remainder of Page Intentionally Left Blank; Signature Pages Follow]</div>

| 6 |

IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first written above.

| Company:                     |
| HENNESSY                     
 CAPITAL INVESTMENT CORP. VII |
| By:                          |
| Name:                        |
| Title:                       |

<div align='center'>{Additional Signature on the Following Page}

{Signature Page to Lock-Up Agreement}</div>

IN WITNESS WHEREOF, the parties have executed this Lock-Up Agreement as of the date first written above.

| Holder:    |
| Name       
 of Holder: |

| By:    |
| Name:  |
| Title: |

Number of Shares of Common Stock to be issued:

Shares of Common Stock: _____________________________

Address for Notice:

_______________________________

_______________________________

_______________________________

_______________________________

Email: _____________________________

<div align='center'>{Signature Page to Lock-Up Agreement}</div>

ANNEX F

<div align='center'>ONE NUCLEAR ENERGY INC. 2026 EQUITY AND INCENTIVE PLAN</div>

1. Purpose. The purpose of the ONE Nuclear Energy Inc. 2026 Equity and Incentive Plan (the “ Plan”) is to provide a means through which the Company and its Affiliates (each as defined below) may attract and retain key personnel and align their interests with those of the Company’s shareholders by providing them the opportunity to acquire and maintain an equity interest in the Company, or be paid incentive compensation, which may (but need not) be measured by reference to the value of Common Shares (as defined below).

2. Definitions. The following definitions shall be applicable throughout the Plan:

(a) “ Affiliate” means (i) any person or entity that directly or indirectly controls, is controlled by or is under common control with the Company and/or (ii) to the extent provided by the Committee,