Company: SBXD
Filing Date: 2025-09-04
Form Type: 425
Source: 0001104659-25-087514
Chunk: 2

Company: SilverBox Corp IV
Filing Date: 2025-09-04
Form: 425
Chunk 2
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 of the information contained in this communication.

No Offer or Solicitation

This communication does not constitute a solicitation of a proxy, consent or authorization with respect to any securities or in respect of the proposed Business Combination. This communication shall also not constitute an offer to sell, a solicitation of an offer to buy, or a recommendation to purchase any securities, nor shall there be any sale of securities in any states or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. No offering of securities will be made except by means of a prospectus meeting the requirements of the Securities Act of 1933, as amended, or an exemption therefrom. You should not construe the contents of this communication as legal, tax, accounting or investment advice or a recommendation. You should consult your own counsel and tax and financial advisors as to legal and related matters concerning the matters described herein, and, by accepting this communication, you confirm that you are not relying upon the information contained herein to make any decision.

Additional Information and Where to Find It

Pubco and Parataxis have filed a Registration Statement on S-4 (File No. 333-289994) (as amended or supplemented from time to time, the “Registration Statement”) with the Securities and Exchange Commission (“SEC”), which includes a preliminary proxy statement of SilverBox and a prospectus of Pubco (the “Proxy Statement/Prospectus”) in connection with the Business Combination and the other transactions contemplated in the Business Combination Agreement (collectively, the “Transactions”). The definitive proxy statement and other relevant documents will be mailed to shareholders of SilverBox as of a record date to be established for voting on the Transactions and other matters as described in the Proxy Statement/Prospectus. SilverBox, Parataxis and/or Pubco will also file other documents regarding the Transactions with the SEC. This communication does not contain all of the information that should be considered concerning the Transactions and is not intended to form the basis of any investment decision or any other decision in respect of the Transactions. BEFORE MAKING ANY VOTING OR INVESTMENT DECISION, SHAREHOLDERS OF SILVERBOX AND OTHER INTERESTED PARTIES ARE URGED TO READ, WHEN AVAILABLE, THE PRELIMINARY PROXY STATEMENT/PROSPECTUS, AND AMENDMENTS THERETO, AND THE DEFINITIVE PROXY STATEMENT/PROSPECTUS AND ALL OTHER RELEVANT DOCUMENTS FILED OR THAT