Company: PCAP
Filing Date: 2025-05-21
Form Type: S-1MEF
Source: 0001213900-25-046187
Chunk: 2

Company: ProCap Acquisition Corp
Filing Date: 2025-05-21
Form: S-1MEF
Chunk 2
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 filed by the Registrant on April 30, 2025, as amended on May 13, 2025, and declared effective by the Securities and Exchange Commission on May 20, 2025 (the “Prior Registration Statement”). This Registration Statement covers the registration of an additional 2,300,000 of the Registrant’s units, each consisting of one Class A ordinary share and one -thirdof one redeemable warrant to purchase a Class A ordinary share of the Registrant. The required opinions of counsel and related consents and accountant’s consent are attached hereto and filed herewith. Pursuant to Rule 462(b), the contents of the Prior Registration Statement, including the exhibits thereto, are incorporated by reference into this Registration Statement. CERTIFICATION The Registrant hereby certifies to the Securities and Exchange Commission (the “Commission”) that (1) it has instructed its bank to pay the filing fee set forth in Exhibit 107 filed herewith by a wire transfer of such amount to the Commission’s account at U.S. Bank as soon as practicable (but no later than the close of business as of May 21, 2025), (2) it will not revoke such instructions, (3) it has sufficient funds in the relevant account to cover the amount of such filing fee and (4) it will confirm receipt of such instructions by its bank during regular business hours no later than May 21, 2025.

PART II INFORMATION NOT REQUIRED IN PROSPECTUS Item 16. Exhibits and Financial Statement Schedules. (a) Exhibits. All exhibits filed with or incorporated by reference in the Registration Statement on Form S -1(File No. 333 -286876) are incorporated by reference into, and shall be deemed a part of, this Registration Statement, and the following additional exhibits are filed herewith, as part of this Registration Statement: EXHIBIT INDEX

| Exhibit No. |     | Description                                                                |
| 5.1         |     | Opinion of Reed Smith LLP.                                                 |
| 5.2         |     | Opinion of Walkers (Cayman) LLP, Cayman Islands counsel to the Registrant. |
| 23.1        |     | Consent of MaloneBailey, LLP.                                              |
| 23.2        |     | Consent of Reed Smith LLP (included on Exhibit 5.1).                       |
| 23.3        |     | Consent of Walkers (Cayman) LLP (included on