144 0001166809 XXXXXXXX LIVE 0000788965 HALLADOR ENERGY CO 001-34743 1183 EAST CANVASBACK DRIVE TERRE HAUTE IN 47802 303-839-5504 DAVID HARDIE DIRECTOR COMMON STOCK NATIONAL FINANCIAL SERVICES LLC,

200 SEAPORT BLVD WORLD TRADE CENTER BOSTON MA 02210

139089 3059000.00 42976180 08/17/2025 NASDAQ COMMON 12/31/1996 INHERITANCE ROBERT HARDIE, FATHER N 139089 12/31/1996 INHERITANCE N DAVID HARDIE

5485 KIETZKE LANE RENO NV 89511

DAVID HARDIE 05/19/2025 30380 578684.32 08/17/2025 /s/ David Hardie