Company: PAII-WT
Filing Date: 2025-07-08
Form Type: S-1/A
Source: 0001213900-25-062125
Chunk: 6

Company: Pyrophyte Acquisition Corp. II
Filing Date: 2025-07-08
Form: S-1/A
Chunk 6
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 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 |

| Part II |

Signatures Pursuant to the requirements of the Securities Act of 1933, as amended, the registrant has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in Houston, Texas, on the 8 thday of July, 2025.

| PYROPHYTE ACQUISITION CORP. II |     |                    |     |                         |
| By:                            |     | /s/ Sten Gustafson |     |                         |
|                                |     | Name:              |     | Sten Gustafson          |
|                                |     | Title:             |     | Chief Financial Officer |

Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has been signed by the following persons in the capacities indicated on July 8, 2025.

| Name                     |     | Position                                                      |
| /s/ Bernard Duroc-Danner |     | Chief Executive Officer                                       |
| Bernard Duroc-Danner     |     | -Principal Executive Officer                                  |
| /s/ Sten Gustafson       |     | Chief Financial Officer                                       |
| Sten Gustafson           |     | -Principal Financial Officer and Principal Accounting Officer |

| II-5 |

| Part II |

Authorized representative in the United States Pursuant to the requirements of Section 6(a) of the Securities Act of 1933, the undersigned has signed this registration statement, solely in its capacity as the duly authorized representative of Pyrophyte Acquisition Corp. II in Houston, Texas, on the 8 thday of July, 2025.

| PYROPHYTE ACQUISITION CORP. II |     |                    |     |                         |
| By:                            |     | /s/ Sten Gustafson |     |                         |
|                                |     | Name:              |     | Sten Gustafson          |
|