Company: PAII-WT
Filing Date: 2025-07-15
Form Type: CORRESP
Source: 0001213900-25-064348
Chunk: 0

Company: Pyrophyte Acquisition Corp. II
Filing Date: 2025-07-15
Form: CORRESP
Chunk 0
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<div align='center'>UBS Securities LLC

1285 Avenue of the Americas

New York, NY 10019</div>

July 15, 2025

VIA EDGAR

U.S. Securities and Exchange Commission

100 F Street, NE

Washington, DC 20549

Attention: Benjamin Holt

| Re: | Pyrophyte Acquisition Corp. II 
 Registration Statement         
 on Form S-1                    
 Initially filed June           
 27, 2025, as amended           
 File No. 333- 288391           |

Dear Mr. Holt,

Pursuant to Rule 461 under the
Securities Act of 1933, as amended (the “Act”), the undersigned, as representative of the underwriters in the offering subject
to the registration statement referred to above, hereby joins in the request of Pyrophyte Acquisition Corp. II that the effective date
of the above-referenced Registration Statement be accelerated so as to permit it to become effective at 4:00 p.m. ET on Wednesday, July
16, 2025, or as soon thereafter as practicable.

Pursuant to Rule 460 of the General
Rules and Regulations under the Act, the undersigned wishes to advise you that there will be distributed to each underwriter or dealer
who is reasonably anticipated to participate in the distribution of the security as many copies of the proposed form of preliminary prospectus
as appears to be reasonable to secure adequate distribution of the preliminary prospectus.

The undersigned advises that it
has complied and will continue to comply with the requirements of Rule 15c2-8 under the Securities and Exchange Act of 1934, as amended.

<div align='center'>[Signature page follows]</div>

| Sincerely,         |                           |
| UBS Securities LLC |                           |
| By:                | /s/ Adam Kerbis           |
|                    | Name: Adam Kerbis         |
|                    | Title: Executive Director |
| By:                | /s/ Alex Cahail           |
|                    | Name: Alex Cahail         |
|                    | Title: Director           |

<div align='center'>[Signature Page to Underwriters’ Acceleration Request]</div>