Exhibit






SIXTH AMENDMENT TO REGISTRATION RIGHTS AGREEMENT


THIS SIXTH AMENDMENT (the “Sixth Amendment”) TO REGISTRATION RIGHTS AGREEMENT is made and entered into as of this 28th day of October, 2016, by and among Par Pacific Holdings, Inc., a Delaware corporation (the “Company”), and the holders of registrable securities (the “Holders”) listed on the signature pages hereto. 
RECITALS:
WHEREAS, pursuant to Section 4.3 of the Registration Rights Agreement dated July 14, 2016 (as amended, the “Registration Rights Agreement”), by and among the Company and the Holders, the Registration Rights Agreement may be amended or modified by the Company and the Holders; and
WHEREAS, the Holders and the Company desire to enter into the Sixth Amendment to amend the definitions of “Effectiveness Deadline” and “Filing Deadline” set forth in the Registration Rights Agreement.
NOW, THEREFORE, the parties hereto agree to amend the Stockholders Agreement as follows:   
		
	I.
	Amendment to the Registration Rights Agreement:


1.The definitions of “Effectiveness Deadline” and “Filing Deadline” set forth in Section 1.1 of the Registration Rights Agreement are hereby amended and restated in their entirety and replaced with the following:
“Effectiveness Deadline” means, (i) with respect to the Resale Shelf S-3, as promptly as practicable after filing thereof, but in no event later than January 6, 2017, or (y) if earlier, 5 Business Days after the date on which the SEC informs the Company (I) that the SEC will not review the Resale Shelf S-3 or (II) that the Company may request the acceleration of the effectiveness of the Resale Shelf S-3 and the Company makes such request; (ii) with respect to any Additional Registration Statement, as promptly as practicable after the filing thereof, but in no event later than one year after the Closing Date and (iii) with respect to any Registration Statement in connection with an Underwritten Registration, as promptly as practicable after the filing thereof; provided, that if in any case the Effectiveness Deadline falls on a Saturday, Sunday or any other day which shall be a legal holiday or a day on which the SEC is authorized or required by law or other government actions to close, the Effectiveness Deadline shall be the following Business Day.
“Filing Deadline” means (i) with respect to the Resale Shelf S-3, November 11, 2016, and (ii) with respect to any Additional Registration Statement, the 




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30th day after the date that the Company is allowed to file such Additional Registration Statement by the SEC; provided, that if in any case the Filing Deadline falls on a Saturday, Sunday or any other day which shall be a legal holiday or a day on which the SEC is authorized or required by law or other government actions to close, the Filing Deadline shall be the following Business Day.
		
	II.
	General Provisions


1.In case of conflict between this Sixth Amendment and the Registration Rights Agreement, this Sixth Amendment shall control.
2.The Registration Rights Agreement, except as expressly amended hereby, shall remain in full force and effect. 
3.Incorporation of Certain Information by Reference. The provisions of Section 4.9 of the Registration Rights Agreement captioned “Governing Law and Venue; Waiver of Jury Trial,” are incorporated herein by reference as though such provisions were fully set forth verbatim herein and shall apply to this Sixth Amendment mutatis mutandis.   
4.Counterparts. This Sixth Amendment may be executed in several counterparts (including by facsimile, .pdf or other electronic transmission), each of which shall be deemed an original and all of which together constitute one and the same instrument.  
 [Signature appears on following page]




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IN WITNESS WHEREOF, the parties have executed this Sixth Amendment to Registration Rights Agreement as of the date first written above.


COMPANY:
        
PAR PACIFIC HOLDINGS, INC.


    
By:  /s/ James Matthew Vaughn    
Name:    James Matthew Vaughn     
Title:    Senior VP and General Counsel    




HOLDERS:


EGI INVESTORS, L.L.C.


    
By: /s/ Phillip G. Tinkler    
Name:    Phillip G. Tinkler     
Title:    Vice President    




HIGHBRIDGE INTERNATIONAL LLC


By: Highbridge Capital Management, LLC, its 
trading manager


        
By: /s/ Jonathan Segal    
Name:    Jonathan Segal    
Title:     Managing Director    


        
HIGHBRIDGE TACTICAL CREDIT &   
      CONVERTIBLES MASTER FUND, L.P.


By: Highbridge Capital Management, LLC, its 
trading manager


    
By: /s/ Jonathan Segal    
Name:    Jonathan Segal    
Title:    Managing Director    




[SIGNATURE PAGE TO SIXTH AMENDMENT TO REGISTRATION RIGHTS AGREEMENT]