Document:

EX-4.1

 Exhibit 4.1 

NUMBER UNITS 
 SEE REVERSE FOR CERTAIN DEFINITIONS

 CUSIP [●] 
 PURE
ACQUISITION CORP. 
 UNITS CONSISTING OF ONE SHARE OF CLASS A COMMON STOCK 

AND ONE-HALF OF ONE WARRANT TO PURCHASE ONE SHARE OF 

CLASS A COMMON STOCK 
 THIS
CERTIFIES THAT                    is the owner of    Units. 

Each Unit (“Unit”) consists of one (1) share of Class A common stock, par value $0.0001 per share (“Common
Stock”), of Pure Acquisition Corp., a Delaware corporation (the “Company”), and one-half (1/2) of one warrant (each whole warrant, a “Warrant”).
Each whole Warrant entitles the holder to purchase one (1) share (subject to adjustment) of Common Stock 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, capital stock exchange, asset acquisition, stock 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 Common Stock and Warrants comprising the Units represented by this certificate are not transferable separately prior
to            , 2018, unless Oppenheimer & Co. Inc. and EarlyBirdCapital, Inc. elect to allow earlier separate trading, 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 offering and issuing a press release announcing when
separate trading will begin. The terms of the Warrants are governed by a Warrant Agreement, dated as of            , 2018, 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 1 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 Registrar of the Company. 

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

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 Witness the facsimile signature of its duly authorized officers. 

 

					
	  
 Secretary
	 		 	  
 Chief Executive
Officer

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 Pure 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 stock 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
 TEN ENT
–  as tenants by the entireties
	  	 UNIF GIFT MIN ACT -
            Custodian            

                          
              (Cust)                 (Minor)

		
	 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 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.

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 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 

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 TO S.E.C. RULE 17Ad-15 (OR ANY SUCCESSOR RULE). 

In each case, as more fully described in the Company’s final prospectus
dated            , 2018, 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 only in the event that (i) the Company redeems the shares of Class A common stock sold in its initial public offering and liquidates because it does not consummate
an initial business combination by            , 2019, (ii) the Company redeems the shares of Class A common stock sold in its initial public offering in connection with a stockholder
vote to amend the Company’s amended and restated certificate of incorporation to modify the substance or timing of the Company’s obligation to redeem 100% of the Class A common stock if it does not consummate an initial business
combination by            , 2019, or (iii) if the holder(s) seek(s) to redeem for cash his, her or its respective shares of Class A common stock in connection with a tender offer
(or proxy solicitation, solely in the event the Company seeks stockholder approval of the proposed initial business combination) setting forth the details of a proposed initial business combination. In no other circumstances shall the holder(s) have
any right or interest of any kind in or to the trust account.EX-4.2

 Exhibit 4.2 

NUMBER 
  

			
	C	  	NUMBER
		  	SHARES
		  	SEE REVERSE FOR
		  	CERTAIN DEFINITIONS
		  	CUSIP [•]

 PURE ACQUISITION CORP. 

INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE 

CLASS A COMMON STOCK 
  

			
	 This Certifies that 
	 	 

  

			
	 is the owner of 
	 	 

 FULLY PAID AND NON-ASSESSABLE SHARES OF THE PAR VALUE OF $0.0001 EACH OF THE CLASS A
COMMON STOCK OF 
 PURE ACQUISITION CORP. 

(THE “CORPORATION”) 

transferable on the books of the Corporation in person or by duly authorized attorney upon surrender of this certificate properly endorsed. 

The Corporation will be forced to redeem all of its shares of Class A common stock if it is unable to complete a business combination
by                , 2019, all as more fully described in the Corporation’s final prospectus
dated                , 2018. 
 This certificate is not valid unless
countersigned by the Transfer Agent and registered by the Registrar. 
 Witness the seal of the Corporation and the facsimile signatures of
its duly authorized officers. 
  

					
	  
	  	[Corporate Seal]	  	  

	Chief Financial Officer	  	Delaware	  	Chief Executive Officer

 PURE ACQUISITION CORP. 

The Corporation will furnish without charge to each stockholder who so requests the powers, designations, preferences and relative, participating, optional or
other special rights of each class of stock or series thereof of the Corporation 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 Certificate of Incorporation 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 Corporation), 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 —	  	_________Custodian
	TEN ENT	  	—  	 	as tenants by the entireties	  		  	 _________
 (Cust)
	  	(Minor)            
	JT TEN	  	—  	 	as joint tenants with right	  		  	under Uniform Gifts to Minors
		  		 	of survivorship and not as tenants in common	  		  	
		  		 		  	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)) 

Shares of the capital stock represented by the within Certificate, and do hereby irrevocably constitutes and appoints 

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

Dated: 
 NOTICE: THE SIGNATURE(S) 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: 
 By

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). 
 In each case, as more
fully described in the Corporation’s final prospectus dated                 , 2018, 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 its initial public offering only in the event that the Corporation redeems the shares of Class A common stock sold in
its initial public offering and liquidates because it does not consummate an initial business combination by                 , 2019, (ii) the Corporation redeems the
shares of Class A common stock sold in its initial public offering in connection with a stockholder vote to approve an amendment to the Corporation’s amended and restated certificate of incorporation to modify the substance or timing of
the Corporation’s obligation to redeem 100% of the Class A common stock if it does not consummate an initial business combination by             , 2019, or

 
(iii) if the holder(s) seek(s) to redeem for cash his, her or its respective shares of Class A common stock in connection with a tender offer (or proxy solicitation, solely in the event the
Corporation seeks stockholder approval of the proposed initial business combination) setting forth the details of a proposed initial business combination. 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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