X0306 4 2021-12-16 0000788965 HALLADOR ENERGY CO HNRG 0001424577 Bilsland Brent K 96 CROWN POINT PLACE CASTLE ROCK CO 80108 1 1 President and CEO Common Stock 2021-12-16 4 M 0 68750 2.17 A 883889 D Common Stock 2021-12-16 4 F 0 30181 2.17 D 853708 D 68750 2021-12-16 4 M 0 68750 D Common Stock, par value $.01 0 D Each Restricted Stock Unit represents a contingent right to receive one share of Hallador Energy Common Stock. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan. Represents vested shares of common stock withheld by the Issuer to satisfy applicable payroll tax withholding. Represents Restricted Stock Units that vested on December 16, 2021. Each Restricted Stock Unit represents one share of Hallador Common Stock, par value $.01. Vested shares will be delivered to the reporting person pursuant to the terms of the Amended and Restated 2008 RSU Plan. /s/ Brent K. Bilsland 2021-12-20