Hallador Energy Company COM 40609P105 75619504 5452019 SH DFND 0 5452019 0 Star Group L.P. UNIT 85512C105 16640447 1295985 SH DFND 0 1295985 0 Berkshire Hathaway Inc. CL A 084670108 14940100 20 SH DFND 0 20 0