Sec Form 3 Filing - CEP-FIC GP, L.P. @ Liberty Oilfield Services Inc. - 2018-01-17

FORM 3 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 CEP-FIC GP, L.P. 2. Issuer Name and Ticker or Trading Symbol Liberty Oilfield Services Inc. [ LBRT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner _____ Officer (give title below) X __ Other (specify below) Member of 10% owner group (Last) (First) (Middle) 50 E. WASHINGTON STREET, SUITE 400 3. Date of Earliest Transaction (MM/DD/YY) 01/17/2018 (Street) CHICAGO, IL60602 4. If Amendment, Date Original Filed (MM/DD/YY) 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 4,579,307 D ( 1 )

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 CEP-FIC GP, L.P. 50 E. WASHINGTON STREET, SUITE 400 CHICAGO, IL60602 Member of 10% owner group Financial Investments Corp 50 E. WASHINGTON STREET, SUITE 400 CHICAGO, IL60602 Member of 10% owner group Concentric Equity Partners II, L.P. - Liberty Series 50 E. WASHINGTON STREET, SUITE 400 CHICAGO, IL60602 Member of 10% owner group Signatures CEP-FIC GP, L.P. By: Financial Investments Corporation, its General Partner Name: /s/ David M. Gervase 01/26/2018 Signature of Reporting Person Date

Explanation of Responses:

( 1 )By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), CEP-FIC GP, L.P., which is the general partner of Concentric Equity Partners II, L.P. - Liberty Series ("Concentric"), may be deemed to have an indirect pecuniary interest in the securities held directly by Concentric. In accordance with Instruction 5(b)(iv), the entire amount of the securities held by Concentric are reported herein. Futhermore, Financial Investments Corporation is the general partner of CEP-FIC GP, L.P. Each reporting person disclaims beneficial ownership of any securities that are not directly owned by such reporting person, except to the extent of their indirect pecuniary interest therein. This report shall not be deemed an admission that such reporting person is a member of a group or the beneficial owner of any securities not directly owned by such reporting person.

Remarks: Exhibit List Exhibit 99.1 - Joint Filers' Names and Addresses Exhibit 99.2 - Joint Filers' Signatures

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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