Document:

Exhibit 4.1

 

	NUMBER	UNITS
	U-	 

SEE REVERSE FOR CERTAIN DEFINITIONS

CUSIP G7308P 119

 

PYROPHYTE ACQUISITION CORP.

UNITS CONSISTING OF ONE CLASS A ORDINARY SHARE
AND ONE-HALF 

OF ONE REDEEMABLE WARRANT,

EACH WHOLE WARRANT ENTITLING THE HOLDER TO PURCHASE
ONE 

CLASS A ORDINARY SHARE

 

THIS CERTIFIES THAT is the
owner of Units of Pyrophyte Acquisition Corp., a Cayman Islands exempted company (the “Company”), transferrable
on the books of the Company in person or by duly authorized attorney upon surrender of this certificate properly endorsed.

 

Each Unit (“Unit”)
consists of one (1) Class A ordinary share, par value $0.0001 per share (“Ordinary Share”), of the Company and
one-half of one redeemable warrant (each whole warrant, a “Warrant”). Each Warrant entitles the holder to purchase
one Ordinary Share (subject to adjustment) for $11.50 per share (subject to adjustment). Each Warrant will become exercisable on the later
of (i) thirty (30) days after the Company’s completion of a merger, share exchange, asset acquisition, share purchase, reorganization
or other similar business combination with one or more businesses (each a “Business Combination”), or (ii) twelve
(12) months from the closing of the Company’s initial public offering, and will expire unless exercised before 5:00 p.m., New York
City Time, on the date that is five (5) years after the date on which the Company completes its initial Business Combination, or earlier
upon redemption or liquidation (the “Expiration Date”). The Ordinary Shares and Warrants comprising the Units
represented by this certificate are not transferable separately prior to         , 2021, unless UBS Securities LLC elects to allow separate trading
earlier, subject to the Company’s filing of a Current Report on Form 8-K with the Securities and Exchange Commission containing
an audited balance sheet reflecting the Company’s receipt of the gross proceeds of the Company’s initial public offering and
issuing a press release announcing when separate trading will begin. No fractional Warrants will be issued upon separation of the Units.
The terms of the Warrants are governed by a Warrant Agreement, dated as of        , 2021 (the “Warrant Agreement”),
between the Company and Continental Stock Transfer & Trust Company, as Warrant Agent, and are subject to the terms and provisions
contained therein, all of which terms and provisions the holder of this certificate consents to by acceptance hereof. Copies of the Warrant
Agreement are on file at the office of the Warrant Agent at One State Street, 30th Floor, New York, New York 10004, and are available
to any Warrant holder on written request and without cost.

 

This certificate is not valid
unless countersigned by the Transfer Agent and registered by the Registrar of the Company.

 

This certificate shall be
governed by and construed in accordance with the internal laws of the State of New York.

 

     

     

    

 

Witness the facsimile signature
of a duly authorized signatory of the Company.

  

	 	 
	 	Authorized Signatory
	 	Transfer Agent

 

     

     

    

 

Pyrophyte Acquisition Corp.

 

The Company will furnish without
charge to each unitholder who so requests, a statement of the powers, designations, preferences and relative, participating, optional
or other special rights of each class of equity or series thereof of the Company and the qualifications, limitations, or restrictions
of such preferences and/or rights.

 

The following abbreviations,
when used in the inscription on the face of this certificate, shall be construed as though they were written out in full according to
applicable laws or regulations:

 

	TEN

 COM	— 	as tenants in common	UNIF

 GIFT

 MIN ACT	— 	___________ Custodian

 ___________
	 	 	 		 	(Cust) (Minor)
	TEN 

ENT	—	as tenants by the entireties	 	 	 
	 	 	 	 	 	Under Uniform Gifts to Minors Act
	JT TEN	—	as joint tenants with right of survivorship and not as tenants in common	 	 	
    ___________________________

    (State)

 

Additional abbreviations may also be used though
not in the above list.

 

	For value received, hereby sell, assign and transfer unto

 

(PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING
NUMBER OF ASSIGNEE)

 

(PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING
ZIP CODE, OF ASSIGNEE)

 

Units represented by the within certificate,
and do hereby irrevocably constitute and appoint

 

Attorney to transfer the said Units on the books of the
within named Company with full power of substitution in the premises.

 

Dated 

 

	 	 	 

	 	Notice: 	The signature to this assignment must correspond with the name as written upon the face of the certificate in every particular, without alteration or enlargement or any change whatever.

 

     

     

    

 

	Signature(s) Guaranteed:	 
	THE SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM, PURSUANT TO S.E.C. RULE 17Ad-15 UNDER THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED (OR ANY SUCCESSOR RULE)).	 

 

As more fully described in,
and subject to the terms and conditions described in, the Company’s final prospectus for its initial public offering dated , 2021,
the holder(s) of this certificate shall be entitled to receive a pro-rata portion of certain funds held in the trust account established
in connection with the Company’s initial public offering in the event that (i) the Company redeems the Ordinary Shares sold in its
initial public offering and liquidates because it does not consummate an initial Business Combination within the time period set forth
in the Company’s Amended and Restated Memorandum and Articles of Association, as the same may be amended from time to time, or (ii)
if the holder(s) properly redeem for cash his, her or its respective Ordinary Shares included in the Units represented by this certificate
in connection with (x) a tender offer (or proxy solicitation, solely in the event the Company seeks shareholder approval of the proposed
initial Business Combination) setting forth the details of a proposed initial Business Combination or (y) a shareholder vote to amend
the Company’s Amended and Restated Memorandum and Articles of Association (A) to modify the substance or timing of the Company’s
obligation to allow redemption in connection with our initial business combination or to redeem 100% of the Ordinary Shares if it does
not consummate an initial Business Combination within the time set forth in the Company’s Amended and Restated Memorandum and Articles
of Association or (B) with respect to any other material provisions relating to shareholders’ rights or pre-initial Business Combination
activity, as the same may be amended from time to time. In no other circumstances shall the holder(s) have any right or interest of any
kind in or to the trust account.Exhibit 4.2

 

	
    NUMBER
	SHARES
	C-	 

 

SEE REVERSE FOR CERTAIN DEFINITIONS

 

CUSIP G7308P 101

 

PYROPHYTE ACQUISITION CORP.

 

CLASS A ORDINARY SHARES

 

THIS CERTIFIES THAT           is the
owner of           Class A ordinary shares, par value $0.0001 per share (each, a “Class A Ordinary Share”), of Pyrophyte
Acquisition Corp., a Cayman Islands exempted company (the “Company”), transferable on the books of the Company
in person or by duly authorized attorney upon surrender of this certificate properly endorsed.

 

This certificate is not valid unless countersigned
by the Transfer Agent and registered by the Registrar of the Company.

 

Witness the facsimile signature
of a duly authorized signatory of the Company.

 

	 	 	 
	Authorized Signatory	 	Transfer Agent

 

     

     

    

 

Pyrophyte Acquisition Corp.

 

The Company will furnish without
charge to each shareholder who so requests, a statement of the powers, designations, preferences and relative, participating, optional
or other special rights of each class of equity or series thereof of the Company and the qualifications, limitations, or restrictions
of such preferences and/or rights. This certificate and the shares represented thereby are issued and shall be held subject to all the
provisions of the Amended and Restated Memorandum and Articles of Association of the Company and all amendments thereto and resolutions
of the Board of Directors providing for the issue of securities (copies of which may be obtained from the secretary of the Company), to
all of which the holder of this certificate by acceptance hereof assents.

 

The following abbreviations,
when used in the inscription on the face of this certificate, shall be construed as though they were written out in full according to
applicable laws or regulations:

 

	TEN COM —   as tenants in common	UNIF GIFT MIN ACT—	______

(Cust)	

Custodian	________

(Minor)
	TEN ENT —    as tenants by the entireties	 	 	 	 
	JT TEN —       as joint tenants with right of survivorship and not as tenants in common	under Uniform Gifts to Minors Act

(State)
	 	 	 	 	 
	 	 	 	 	 	 

 

	TEN COM —  as tenants in common	UNIF GIFT MIN ACT—	______     

(Cust)	

Custodian	________

(Minor)
	TEN ENT —    as tenants by the entireties	 	 	 	 
	JT TEN —       as joint tenants with right of survivorship and not as tenants in common	under Uniform
    Gifts to Minors Act (State)
	 	 	 	 	 	 	 

Additional abbreviations may also be used though
not in the above list.

 

For value received, hereby sells, assigns and
transfers unto

 

(PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING
NUMBER(S) OF ASSIGNEE(S))

 

(PLEASE PRINT OR TYPEWRITE NAME(S) AND ADDRESS(ES),
INCLUDING ZIP CODE, OF ASSIGNEE(S))

 

Class A Ordinary Shares represented by the within certificate, and
do hereby irrevocably constitute and appoint

 

Attorney to transfer the said Class
A Ordinary Shares on the books of the within named Company with full power of substitution in the premises.

 

Dated

 

	 	 	 

 

     

     

    

 

	 	Notice: 	The signature to this assignment must correspond with the name as written upon the face of the certificate in every particular, without alteration or enlargement or any change whatever.

 

	Signature(s) Guaranteed:	 
	 	 
	THE SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM, PURSUANT TO S.E.C. RULE 17Ad-15 UNDER THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED (OR ANY SUCCESSOR RULE)). 	 

 

As more fully described in,
and subject to the terms and conditions described in, the Company’s final prospectus for its initial public offering dated , 2021
the holder(s) of this certificate shall be entitled to receive a pro-rata portion of certain funds held in the trust account established
in connection with the Company’s initial public offering in the event that (i) the Company redeems the Class A Ordinary Shares sold
in its initial public offering and liquidates because it does not consummate an initial business combination within the time period set
forth in the Company’s Amended and Restated Memorandum and Articles of Association, as the same may be amended from time to time,
or (ii) if the holder(s) properly redeem for cash his, her or its respective Class A Ordinary Shares represented by this certificate in
connection with (x) a tender offer (or proxy solicitation, solely in the event the Company seeks shareholder approval of the proposed
initial business combination) setting forth the details of a proposed initial business combination or (y) a shareholder vote to amend
the Company’s Amended and Restated Memorandum and Articles of Association (A) to modify the substance or timing of the Company’s
obligation to allow redemption in connection with our initial business combination or to redeem 100% of the Class A Ordinary Shares if
it does not consummate an initial business combination within the time set forth in the Company’s Amended and Restated Memorandum
and Articles of Association, as the same may be amended from time to time or (B) with respect to any other material provisions relating
to shareholders’ rights or pre-initial Business Combination activity. In no other circumstances shall the holder(s) have any right
or interest of any kind in or to the trust account.

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