Company: QSEA
Filing Date: 2025-02-03
Form Type: DRS/A
Source: 0001829126-25-000616
Chunk: 12

Company: Quartzsea Acquisition Corp
Filing Date: 2025-02-03
Form: DRS/A
Chunk 12
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 | $              | 9.09 |     | $              |  9.09 |   |
| Pro forma net tangible book value per share, as adjusted                                     |     |                                         | 6.37 |     |                | 5.35 |     |                | 3.53 |     |                | (0.62 | ) |
| Dilution to public shareholders                                                              |     | $                                       | 2.72 |     | $              | 3.74 |     | $              | 5.56 |     | $              |  9.71 |   |

| (1) | The numbers set forth in this column assume that 1,500,000 public shares, or 25%, of 6,000,000 public shares are redeemed. |

| (2) | The numbers set forth in this column assume that 3,000,000 public shares, or 50%, of 6,000,000 public shares are redeemed. |

| (3) | The numbers set forth in this column assume that 4,500,000 public shares, or 75%, of 6,000,000 public shares are redeemed. |

| (4) | The numbers set forth in this column assume that 6,000,000 public shares, or 100%, of 6,000,000 public shares are redeemed. |

<div align='center'>As of November 30, 2024</div>

|                                                                                              |     | With Over-Allotment Option Exercised 
 Scenario A                           
 25%                                  
 redemptions(1)                       |      |     | Scenario B     
 50%            
 redemptions(2) |      |     | Scenario C     
 75%            
 redemptions(3) |      |     | Scenario D     
 Maximum        
 redemptions(4) |       |   |
|:---------------------------------------------------------------------------------------------|:----|:-------------------------------------|-----:|:----|:---------------|-----:|:----|:---------------|-----:|:----|:---------------|------:|:--|
| Offering price of $10.00 included in the units (adjusted to include the value of the rights) |     | $                                    | 9.09 |     | $              | 9.09 |     | $              | 9.09 |     | $              |  9.09 |   |
| Pro forma net tangible book value per share,