Company: RAIN
Filing Date: 2025-02-12
Form Type: 424B3
Source: 0001213900-25-012904
Chunk: 283

Company: Rain Enhancement Technologies Holdco, Inc.
Filing Date: 2025-02-12
Form: 424B3
Chunk 283
---
 to the Black-Scholes method for the fair value of the non-redemption agreement liabilities:

|                                  |     | As           
 of           
 December 31, 
 2023         |       |   |     | At               
 initial issuance 
 date             |       |   |
|:---------------------------------|:----|:-------------|------:|:--|:----|:-----------------|------:|:--|
| Stock price                      |     | $            | 10.66 |   |     | $                | 10.60 |   |
| Expected term (in years)         |     |              |  0.70 |   |     |                  |  0.80 |   |
| Risk-free rate                   |     |              |  5.26 | % |     |                  |  5.45 | % |
| Probability of closing of merger |     |              |   2.9 | % |     |                  |   2.9 | % |

<div align='center'>F-54

COLISEUM ACQUISITION CORP.

NOTES TO FINANCIAL STATEMENTS
DECEMBER 31, 2023</div>

| Balance as of February 5, 2021 (inception) – Level 3 |     |   |          — |   |
|:-----------------------------------------------------|:----|:--|-----------:|:--|
| Issuance of Public Warrants and                      
 Private Placement Warrants                           |     |   | 12,155,250 |   |
| Transfer of Public Warrants to Level 1               |     |   | (7,350,000 | ) |
| Change in fair value                                 
 of derivative warrant liabilities – Private Warrants |     |   |   (354,750 | ) |
| Balance as of December 31, 2022 – Level 3            |     |   |    129,000 |   |
| Initial fair value of deferred consulting fee        |     |   |     31,043 |   |
| Change in fair value of deferred consulting          
 fees                                                 |     |   |        190 |   |
| Initial fair value of non-redemption agreement       
 liabilities                                          |     |   |    194,898 |   |
| Change in fair value of                              
 non-redemption agreement liabilities                 |     |   |       (221 | ) |
|