SCHEDULE 13G 0001869199 XXXXXXXX LIVE Common Stock 03/05/2026 0001532286 Nine Energy Service, Inc. 65441V200 2001 Kirby Drive Suite 200 Houston TX 77019 Rule 13d-1(b) Rule 13d-1(c) Philosophy Capital Management LLC b DE 0.00 2551128.00 0.00 2551128.00 2551128.00 N 18.3 IA OO The reporting persons are party to a voting agreement with the Issuer dated March 5, 2026, pursuant to which the reporting persons have agreed that, on each matter brought to a vote at any annual or special meeting of the Issuer's stockholders and in connection with any action proposed to be taken by consent of the stockholders in lieu of a meeting of stockholders, the reporting persons will vote or deliver a consent with respect to all voting securities beneficially owned by them that, when taken together with all voting securities that are beneficially by the reporting persons' affiliates and affiliated funds, exceed the Voting Cap Threshold in the same proportion as all other votes cast or consents delivered with respect to the applicable matter (such proportion determined without including the votes or consents of the reporting persons and their affiliates). The Voting Cap Threshold means voting securities collectively constituting 10% of the total voting power of all of the Issuer's voting securities on such matter as of the applicable record date, after giving effect to any other voting agreement between the Issuer and any of its shareholders. The percentage reported herein is calculated based on 13,950,000 shares of Common Stock outstanding as of March 5, 2026. Philosophy Capital Partners, LP b DE 0.00 926394.00 0.00 926394.00 926394.00 N 6.6 PN The reporting persons are party to a voting agreement with the Issuer dated March 5, 2026, pursuant to which the reporting persons have agreed that, on each matter brought to a vote at any annual or special meeting of the Issuer's stockholders and in connection with any action proposed to be taken by consent of the stockholders in lieu of a meeting of stockholders, the reporting persons will vote or deliver a consent with respect to all voting securities beneficially owned by them that, when taken together with all voting securities that are beneficially by the reporting persons' affiliates and affiliated funds, exceed the Voting Cap Threshold in the same proportion as all other votes cast or consents delivered with respect to the applicable matter (such proportion determined without including the votes or consents of the reporting persons and their affiliates). The Voting Cap Threshold means voting securities collectively constituting 10% of the total voting power of all of the Issuer's voting securities on such matter as of the applicable record date, after giving effect to any other voting agreement between the Issuer and any of its shareholders. The percentage reported herein is calculated based on 13,950,000 shares of Common Stock outstanding as of March 5, 2026. Jacob Rubin b X1 0.00 2551128.00 0.00 2551128.00 2551128.00 N 18.3 HC IN The reporting persons are party to a voting agreement with the Issuer dated March 5, 2026, pursuant to which the reporting persons have agreed that, on each matter brought to a vote at any annual or special meeting of the Issuer's stockholders and in connection with any action proposed to be taken by consent of the stockholders in lieu of a meeting of stockholders, the reporting persons will vote or deliver a consent with respect to all voting securities beneficially owned by them that, when taken together with all voting securities that are beneficially by the reporting persons' affiliates and affiliated funds, exceed the Voting Cap Threshold in the same proportion as all other votes cast or consents delivered with respect to the applicable matter (such proportion determined without including the votes or consents of the reporting persons and their affiliates). The Voting Cap Threshold means voting securities collectively constituting 10% of the total voting power of all of the Issuer's voting securities on such matter as of the applicable record date, after giving effect to any other voting agreement between the Issuer and any of its shareholders. The percentage reported herein is calculated based on 13,950,000 shares of Common Stock outstanding as of March 5, 2026. Nine Energy Service, Inc. 2001 Kirby Drive, Suite 200, Houston, TX 77019 Philosophy Capital Management LLC, a Delaware limited liability company ("Philosophy") Philosophy Capital Partners, LP, a Delaware limited partnership (the "Partnership") Jacob Rubin Philosophy is the investment adviser and general partner of private investment funds, including the Partnership, and the investment adviser to other clients. Mr. Rubin is the control person of Philosophy. The reporting persons are filing this Schedule 13G jointly, but not as members of a group, and each disclaims membership in a group. Each reporting person also disclaims beneficial ownership of Common Stock except to the extent of that person's pecuniary interest therein. In addition, the filing of this Schedule 13G on behalf of the Partnership should not be construed as an admission that it is, and it disclaims that it is, a beneficial owner, as defined in Rule 13d-3 under the Act, of any Common Stock covered by this Schedule 13G. 3201 Danville Boulevard, Suite 100, Alamo, CA 94507 See Item 4 of the cover sheet for each reporting person. N IA HC The response to Row 9 of the cover page for each reporting person is incorporated herein by reference and sets forth the information required by this item The response to Row 11 of the cover page for each reporting person is incorporated herein by reference and sets forth the information required by this item. The response to Row 5 of the cover page for each reporting person is incorporated herein by reference and sets forth the information required by this item. The response to Row 6 of the cover page for each reporting person is incorporated herein by reference and sets forth the information required by this item. The response to Row 7 of the cover page for each reporting person is incorporated herein by reference and sets forth the information required by this item. The response to Row 8 of the cover page for each reporting person is incorporated herein by reference and sets forth the information required by this item. Y N The Partnership holds Common Stock for the benefit of its investors and has the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, Common Stock. Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Exhibit 99 - Agreement Regarding Joint Filing of Statement on Schedule 13D or 13G Philosophy Capital Management LLC /s/ Jacob Rubin 03/11/2026 Philosophy Capital Partners, LP /s/ Jacob Rubin 03/11/2026 Jacob Rubin /s/ Jacob Rubin 03/11/2026