Company: IPODW
Filing Date: 2025-05-08
Form Type: 424B4
Source: 0001213900-25-040894
Chunk: 314

Company: Dune Acquisition Corp II
Filing Date: 2025-05-08
Form: 424B4
Chunk 314
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IPODW,” respectively. Discounts The following table shows the underwriting discounts and commissions that we are to pay to the underwriters in connection with this offering. These amounts are shown assuming both no exercise and full exercise of the underwriters’ over -allotmentoption.

|                                                    |     | Per Unit       
 Without        
 Over-allotment |      |     | With           
 Over-allotment |      |     | Total          
 Without        
 Over-allotment |           |     | With           
 Over-allotment |           |
|:---------------------------------------------------|:----|:---------------|-----:|:----|:---------------|-----:|:----|:---------------|----------:|:----|:---------------|----------:|
| Underwriting Discounts and Commissions paid by us: |     | $              | 0.44 |     | $              | 0.44 |     | $              | 5,500,000 |     | $              | 6,300,000 |

Includes (A) $0.04 per unit sold in the offering, or $500,000 in the aggregate, payable to the underwriters upon the closing of this offering (or approximately $0.038 per unit, or $550,000 in the aggregate, if the over -allotmentoption is exercised in full); and (B) up to $0.40 per unit, or up to $5,000,000 in the aggregate (or up to $5,750,000 in the aggregate, if the overallotment option is exercised in full), payable to the underwriters in this offering, for deferred underwriting commissions to be placed in a trust account located in the United States and released to the underwriters only upon the completion of an initial business combination, but such $0.40 per unit shall be due solely on amounts remaining in the trust account following all properly submitted shareholder redemptions in connection with the consummation of our initial business combination, not including capital retained by alternative financing agreements such as non -redemptionagreements, forward purchase agreements, equity commitment facilities, or convertible financing. In addition, we have agreed to issue to the representative of the underwriters or its designee an aggregate of 93,750 Class A ordinary shares (or up to 107,813 Class A ordinary shares if the underwriters’ over -allotmentoption is exercised in full), as part of representative compensation, which will be issued upon the consummation of this offering.

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