0000950123-19-002319.txt : 20190214 0000950123-19-002319.hdr.sgml : 20190214 20190214165444 ACCESSION NUMBER: 0000950123-19-002319 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20181231 FILED AS OF DATE: 20190214 DATE AS OF CHANGE: 20190214 EFFECTIVENESS DATE: 20190214 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: 19607798 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 true false 0001503466 XXXXXXXX 12-31-2018 12-31-2018 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 212-515-2111 /s/ Bryan H. Lawrence New York NY 02-14-2019 2 2 97243 false 1 028-17867 Yorktown IX Co LP 2 028-17866 Yorktown IX Associates LLC INFORMATION TABLE 2 form13fInfoTable.xml INFORMATION TABLE FOR FORM 13F Extraction Oil and Gas Inc COM 30227M105 33034 7700358 SH DFND 1,2 7700358 0 0 Ramaco Res Inc COM 75134P303 64209 12971525 SH DFND 1,2 12971525 0 0