X0508 4 2024-09-06 0000788965 HALLADOR ENERGY CO HNRG 0001783211 Hargrave Marjorie Anne 1183 EAST CANVASBACK DRIVE TERRE HAUTE IN 47802 1 Chief Financial Officer 0 Restricted Stock Units 2024-09-06 4 A 0 70053 A Common Stock 70053 70053 D Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Restricted stock units shall vest in the amount of 23,351 restricted stock units on March 31st of each of 2025, 2026 and 2027, subject to the Covered Person's continued Service through the applicable vesting date, and shall vest in full subject to the Covered Person's continued Service through to the date of a Change in Control, and otherwise in accordance with the terms of the RSU Plan and the applicable award agreement. /s/ Marjorie Hargrave 2024-09-06