X0306 4 2020-12-16 0 0000788965 HALLADOR ENERGY CO HNRG 0001424577 Bilsland Brent K 1183 EAST CANVASBACK DRIVE TERRE HAUTE IN 47802 1 1 0 0 President and CEO Common Stock, par value $.01 2020-12-16 4 M 0 68500 1.07 A 845375 D Common Stock, par value $.01 2020-12-16 4 F 0 30236 1.07 D 815139 D Restricted Stock Units 2020-12-16 4 M 0 68750 D Common Stock, par value $.01 68750 68750 D Represents Restricted Stock Units that vested on December 16, 2020. 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. Represents vested shares of common stock withheld by the Issuer to satisfy applicable payroll tax withholding. 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. Brent K. Bilsland 2020-12-18