Sec Form 3/A Filing - THRC Holdings, LP @ FTS International, Inc. - 2020-11-19

FORM 3/A Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person THRC Holdings, LP 2. Issuer Name and Ticker or Trading Symbol FTS International, Inc. [ FTSI] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 17018 INTERSTATE 20 3. Date of Earliest Transaction (MM/DD/YY) 11/19/2020 (Street) CISCO, TX76437 4. If Amendment, Date Original Filed (MM/DD/YY) 11/24/2020 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class A Common Stock 1,973,720 D ( 1 ) ( 2 ) ( 3 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other THRC Holding s, LP 17018 INTERSTATE 20 CISCO, TX76437 X THRC Management, LLC 17018 INTERSTATE 20 CISCO, TX76437 X Wilks Dan H. 17010 IH 20 CISCO, TX76437 X Wilks Staci 17010 IH 20 CISCO, TX76437 X Signatures /s/ Matthew Wilks as attorney in fact 12/03/2020 Signature of Reporting Person Date

Explanation of Responses:

( 1 )THRC Holdings LP ("Holdings"), a Texas limited partnership, directly holds the securities of the Issuer, which shares were received as a distribution pursuant to the Plan of Reorganization of FTSI upon its emergence from Chapter 11 proceedings. ( 2 )THRC Management, LLC ("Management") a Texas limited liability company, as General Partner of Holdings, has exclusive voting and investment power over the shares of Issuer's Class A Common Stock held by Holdings, and therefore may be deemed to beneficially own such shares. Dan H. Wilks, as sole Manager of Management, together with his spouse, Staci Wilks, who share the same household, may be deemed to exercise voting and investment power over the shares of Issuer's Class A Common Stock directly owned by Holdings and therefore may be deemed to share in the beneficial ownership of such shares. Each Reporting Person disclaims beneficial ownership of all equity securities reported herein except to the extent of its respective pecuniary interest therein, and the filing of this Form 3/A shall not be construed as an admission that any such Reporting Person is the beneficial owner of any equity securities covered by this Form. ( 3 )The Reporting Persons' Form 3 and Exhibit 99.1 thereto previously filed with the Securities and Exchange Commission on November 24, 2020, is hereby amended to add THRC Management, LLC as a Reporting Person and indirect beneficial owner of the reported securities covered by this Form.

Remarks: Exhibit 99.1 - Joint Filing Agreement, by and among the Reporting Persons, dated as of December 2, 2020. Exhibit 99.2 - Power of Attorney - Staci Wilks. Exhibit 99.3 -Power of Attorney - Dan Wilks. Exhibit 99.4 - Power of Attorney - THRC Management, LP on behalf of itself and its wholly owned subsidiary, THRC Holdings, LP.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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