JOINT FILING AGREEMENT

In accordance the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of any filing required by such party under Section 16 of the Exchange Act (including amendments thereto) with respect to the common stock, par value $0.001 per share, of FTS International, Inc. [FTSI] and further agree that this Joint Filing Agreement be included as an exhibit to such joint filings. In evidence thereof, each of the undersigned hereby executes this Joint Filing Agreement as of November 24, 2020.


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Dan H. Wilks

*
Staci Wilks

THRC Holdings, LP


By:		/s/ Matthew Wilks
Name: Matthew Wilks
Title: Attorney-in-Fact


*By:		/s/ Matthew Wilks
		Matthew Wilks, as Attorney-in-Fact

POWER OF ATTORNEY

Know all by these presents, that the undersigned hereby constitutes and appoints Matthew Wilks, signing singly, the undersigned's true and lawful attorney-in-fact to:

(1) execute for and on behalf of the undersigned, in the undersigned's capacity as a more than 10% shareholder of FTS International, Inc. (the “Company”), Forms 3, 4, and 5 in accordance with Section 16(a) of the Securities Exchange Act of 1934 and the rules thereunder;

(2) do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete and execute any such Form 3, 4, or 5, complete and execute any amendment or amendments thereto, and timely file such form with the United States Securities and Exchange Commission and any stock exchange or similar authority; and

(3) take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of benefit to, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact's discretion.

The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be done by virtue of this power of attorney and the rights and powers herein granted. The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in such capacity at the request of the undersigned, are not assuming, nor is the Company assuming, any of the undersigned's responsibilities to comply with Section 16 of the Securities Exchange Act of 1934.

This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Forms 3, 4, and 5 with respect to the undersigned's holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to

be executed as of this 24th day of November 2020.

THRC Holdings LP

/s/ Dan H. Wilks

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Name: Dan H. Wilks

POWER OF ATTORNEY

Know all by these presents, that the undersigned hereby constitutes and appoints Matthew Wilks, signing singly, the undersigned's true and lawful attorney-in-fact to:

(1)	execute for and on behalf of the undersigned, in the undersigned's capacity as a more than 10% shareholder of FTS International, Inc. (the “Company”), Forms 3, 4, and 5 in accordance with Section 16(a) of the Securities Exchange Act of 1934 and the rules thereunder;

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to

be executed as of this 24th day of November 2020.

/s/ Dan H. Wilks

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Name: Dan H. Wilks

POWER OF ATTORNEY

Know all by these presents, that the undersigned hereby constitutes and appoints Matthew Wilks, signing singly, the undersigned's true and lawful attorney-in-fact to:

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to

be executed as of this 24th day of November 2020.

/s/ Staci Wilks

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Name: Staci Wilks

THRC Holdings, LP 3