X0508 4 2025-01-17 0002035149 Flowco Holdings Inc. FLOC 0002048763 Fairbanks Jonathan B. C/O GEC ADVISORS LLC 2415 WEST ALABAMA STREET, SUITE 220 HOUSTON TX 77098 true true true See Remarks 0002051005 GEC Advisors LLC 2415 WEST ALABAMA STREET, SUITE 220 HOUSTON TX 77098 true true See Remarks 0002050986 GEC Group B Ltd C/O GEC ADVISORS LLC 2415 WEST ALABAMA STREET, SUITE 220 HOUSTON TX 77098 true true See Remarks 0002052262 GEC Capital Group III-B LP C/O GEC ADVISORS LLC 2415 WEST ALABAMA STREET, SUITE 220 HOUSTON TX 77098 true true See Remarks 0001986070 GEC Estis Co-Invest II LLC C/O GEC ADVISORS LLC 2415 WEST ALABAMA STREET, SUITE 220 HOUSTON TX 77098 true true See Remarks 0002051007 GEC Group Ltd C/O GEC ADVISORS LLC 2415 WEST ALABAMA STREET, SUITE 220 HOUSTON TX 77098 true true See Remarks 0002051026 GEC Capital Group III LP C/O GEC ADVISORS LLC 2415 WEST ALABAMA STREET, SUITE 220 HOUSTON TX 77098 true true See Remarks 0001618169 GEC Partners III LP C/O GEC ADVISORS LLC 2415 WEST ALABAMA STREET, SUITE 220 HOUSTON TX 77098 true true See Remarks 0002051019 GEC Partners III B LP C/O GEC ADVISORS LLC 2415 WEST ALABAMA STREET, SUITE 220 HOUSTON TX 77098 true true See Remarks false Class A Common Stock 2025-01-17 4 A 0 15625 0 A 15625 D Class A Common Stock 2025-01-17 4 P 0 500 24 A 500 I By Child Class A Common Stock 2025-01-17 4 P 0 500 24 A 500 I By Child Class A Common Stock 2025-01-17 4 P 0 500 24 A 500 I By Child Class A Common Stock 2025-01-17 4 P 0 500 24 A 500 I By Child Class A Common Stock 460797 I By GEC Partners III GI LP Class A Common Stock 407760 I By GEC Partners III-B GI LP Represents restricted stock units ("RSUs") that vest in substantially equal quarterly installments over the following 3 years. Each RSU represents a contingent right to receive one share of Class A Common Stock. GEC Capital Group III LP is the general partner of each of GEC Partners III LP and GEC Partners III-GI LP, and GEC Group Ltd. is the general partner of GEC Capital Group III LP. GEC Capital Group III-B LP is the managing member or general partner of each of GEC Estis Co-Invest II LLC and GEC Partners III-B LP, and GEC Group B Ltd. is the general partner of GEC Capital Group III-B LP. Mr. Fairbanks is the manager and controlling member of GEC, GEC Group Ltd. and GEC Group B. Ltd, as well as GEC Advisors LLC, a registered investment advisor to the funds that beneficially own such shares, with discretionary authority over each such fund's accounts. Each of Mr. Fairbanks, GEC Advisors, GEC Capital Group III LP, GEC Group B Ltd., disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein. In connection with the Master Reorganization Agreement, the Reporting Persons entered into a Stockholders Agreement with certain other stockholders of the Issuer, pursuant to which, among other matters, they agreed to vote in favor of each others' director nominees. As a result, certain Reporting Persons may be deemed to be members of a "group," as such term is defined in Section 13(d)(3) of the Act and Rule 13d-5 thereunder, with such other stockholders of the Issuer. Collectively, such "group" may be deemed to beneficially own in the aggregate more than 50% of the shares of the Issuer's Class A Common Stock outstanding after giving effect to the shares issued in the IPO (assuming the underwriters' option to purchase additional shares is not exercised). Accordingly, the Reporting Persons are filing this Form 4 in part by virtue of their deemed membership in such "group." Each of GEC Advisors, GEC Group B Ltd., GEC Capital Group III-B LP, GEC Group Ltd., GEC Capital Group III LP, GEC Partners III-B LP , GEC Partners III LP and GEC Estis Co-Invest II LLC may be deemed to be a director by deputization by virtue of the right of the GEC parties to the Stockholders Agreement and their affiliates to designate two members of the Issuer's board of directors pursuant to the Stockholders Agreement. However, each of the Reporting Persons disclaims any pecuniary interest in the shares of Class A Common Stock owned directly by such other stockholders, and such shares are not reflected in the tables herein. /s/ Jonathan B. Fairbanks 2025-01-22 GEC Advisors LLC By: /s/ Jonathan B. Fairbanks, Manager 2025-01-22 GEC Group B Ltd. By: /s/ Jonathan B. Fairbanks, Manager 2025-01-22 GEC Capital Group III-B LP. By: /s/ Jonathan B. Fairbanks, Manager 2025-01-22 GEC Estis Co-Invest II LLC. By: /s/ Jonathan B. Fairbanks 2025-01-22 GEC Group Ltd. By: /s/ Jonathan B. Fairbanks, Manager 2025-01-22 GEC Capital Group III LP. By: /s/ Jonathan B. Fairbanks, Manager 2025-01-22 GEC Partners III LP. By: /s/ Jonathan B. Fairbanks, Manager 2025-01-22 GEC Partners III-B LP. By: /s/ Jonathan B. Fairbanks, Manager 2025-01-22