0000947871-21-000919.txt : 20210816 0000947871-21-000919.hdr.sgml : 20210816 20210816120609 ACCESSION NUMBER: 0000947871-21-000919 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20210630 FILED AS OF DATE: 20210816 DATE AS OF CHANGE: 20210816 EFFECTIVENESS DATE: 20210816 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Yorktown Energy Partners IX, L.P. CENTRAL INDEX KEY: 0001503466 IRS NUMBER: 273125579 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-17881 FILM NUMBER: 211175910 BUSINESS ADDRESS: STREET 1: 410 PARK AVENUE STREET 2: 19TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10022 BUSINESS PHONE: 212.515.2115 MAIL ADDRESS: STREET 1: 410 PARK AVENUE STREET 2: 19TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10022 13F-HR 1 primary_doc.xml 13F-HR LIVE false false false 0001503466 XXXXXXXX 06-30-2021 06-30-2021 false Yorktown Energy Partners IX, L.P.

410 PARK AVENUE 19TH FLOOR NEW YORK NY 10022

13F HOLDINGS REPORT 028-17881 Y Yorktown IX Company LP is the sole general partner of Yorktown Energy Partners IX, L.P. Yorktown IX Associates LLC is the sole general partner of Yorktown IX Company LP. As a result, Yorktown IX Associates LLC and Yorktown IX Company LP may be deemed to have the power to vote or direct the vote or to dispose or direct the disposition of the shares owned by Yorktown Energy Partners IX, L.P. Bryan H. Lawrence 212-515-2112 /s/ Bryan H. Lawrence New York NY 08-16-2021 2 2 63237 1 0001526187 028-17866 Yorktown IX Associates LLC 2 0001689134 028-17867 Yorktown IX Co LP INFORMATION TABLE 2 infotable.xml Ramaco Res Inc COM 75134P303 62683 11459440 SH DFND 1, 2 11459440 0 0 Extraction Oil & Gas Inc COM 30227M303 554 10089 SH DFND 1, 2 10089 0 0