X0306 4 2017-02-08 1 0001687187 Ramaco Resources, Inc. METC 0001687161 Yorktown X Associates LLC 410 PARK AVENUE, 19TH FLOOR NEW YORK NY 10022 0 0 1 0 Common Stock, $0.01 par value 2017-02-08 4 S 0 56810 13.50 D 3692881 I See Footnotes These securities are owned directly by Yorktown Energy Partners X, L.P. ("Yorktown X"). Yorktown X Associates LLC ("Yorktown X Associates") is the sole general partner of Yorktown X Company LP, the sole general partner of Yorktown X. Yorktown X Associates disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that Yorktown X Associates is the beneficial owner of the securities for Section 16 or any other purpose. Yorktown X Associates LLC, /s/ W. Howard Keenan, Jr., Manager 2017-02-10