Company: TDWDU
Filing Date: 2025-08-12
Form Type: S-1
Source: 0001213900-25-075099
Chunk: 327

Company: Tailwind 2.0 Acquisition Corp.
Filing Date: 2025-08-12
Form: S-1
Chunk 327
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 an undersigned registrant pursuant to this registration statement, regardless of the underwriting method used to sell the securities to the purchaser, if the securities are offered or sold to such purchaser by means of any of the following communications, the undersigned registrant will be a seller to the purchaser and will be considered to offer or sell such securities to such purchaser: (i)any preliminary prospectus or prospectus of the undersigned registrant relating to the offering required to be filed pursuant to Rule 424; (ii)any free writing prospectus relating to the offering prepared by or on behalf of the undersigned registrant or used or referred to by an undersigned registrant; (iii)the portion of any other free writing prospectus relating to the offering containing material information about the undersigned registrant or its securities provided by or on behalf of the undersigned registrant; and (iv)any other communication that is an offer in the offering made by the undersigned registrant to the purchaser. II-4

Signatures Pursuant to the requirements of the Securities Act of 1933, as amended, the registrant has duly caused this amended Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in New York, New York on the 12 thday of August, 2025.

| Tailwind 2.0 Acquisition Corp. |     |                         |
| By:                            |     | /s/ Sharo M. Atmeh      |
| Name:                          |     | Sharo M. Atmeh          |
| Title:                         |     | Chief Executive Officer |

POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that each of the undersigned constitutes and appoints Philip Krim and Sharo M. Atmeh, each acting alone, his true and lawful attorneys -in-factand agents, with full power of substitution and resubstitution, for such person and in his name, place and stead, in any and all capacities, to sign this Registration Statement on Form S -1(including all pre -effectiveand post -effectiveamendments and registration statements filed pursuant to Rule 462 under the Securities Act of 1933), and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys -in-factand agents, each acting alone, full power and authority to do and perform each and every act and thing requisite and necessary to be