SCHEDULE 13D/A 0001104659-25-103842 0001506666 XXXXXXXX LIVE 1 Common shares, par value US$0.001 per share 12/09/2025 false 0001464591 G38327105 GeoPark Limited

Calle 94 No 11-30, 8 Piso Bogota F8 00000

Cameron Grainger (403) 237-1708 585 8th Av. SW 2700 Eighth Avenue Place, West Tower Calgary A0 T2P 1G1 0001506666 N Parex Resources Inc. WC N A0 6084986.00 0.00 6084986.00 0.00 6084986.00 N 11.8 CO Common shares, par value US$0.001 per share GeoPark Limited Calle 94 No 11-30, 8 Piso Bogota F8 00000 This Amendment No. 1 to Schedule 13D ("Amendment No. 1") relates to the Schedule 13D filed on October 29, 2025 by Parex Resources Inc., an Alberta corporation (the "Reporting Person"), relating to the Common Shares, par value $0.001 per share (the "Common Shares"), of GeoPark Limited, an exempted company incorporated under the laws of Bermuda (the "Company"), whose principal executive offices are located at Calle 94 No 11-30, 8 Piso, Bogota, Colombia, 00000. Except as specifically amended by this Amendment No. 1, the Schedule 13D is unchanged. Item 4 of the Schedule 13D is hereby amended and supplemented by adding the following information: On December 9, 2025, the Reporting Person issued a press release announcing that the Reporting Person has determined to halt discussions with the Company. The foregoing summary of the press release is not intended to be complete and is qualified in its entirety by reference to the full text of the press release, which is filed as Exhibit 99.1 hereto and is incorporated herein by reference. The aggregate number and percentage of the Common Shares that are beneficially owned by the Reporting Person and as to which the Reporting Person has sole voting power, shared voting power, sole dispositive power and shared dispositive power are set forth on the cover page of this Statement, and such information is incorporated herein by reference. The percentage used herein is calculated based on an aggregate of 51,663,988 Common Shares outstanding as of September 30, 2025, based on the information contained in the Company's Interim Condensed Consolidated Financial Statements for the three and nine-month periods ended September 30, 2025 and 2024, included in the Company's Form 6-K dated November 5, 2025. The information in Item 5(a) of this Statement is incorporated herein by reference. Exhibit 99.1: Press Release of the Reporting Person, dated December 9, 2025 Parex Resources Inc. /s/ Cameron Grainger 12/11/2025