X0303 4 2010-12-16 0 0000788965 HALLADOR ENERGY CO HNRG 0001424577 Bilsland Brent K 1183 EAST CANVASBACK DRIVE TERRE HAUTE IN 47802 1 1 0 0 President common stock 2010-12-16 4 M 0 62500 12.07 A 453333 D common stock 2010-12-16 4 F 0 19813 12.07 D 433520 D common stock 2010-12-16 4 S 0 1000 12.0962 D 432520 D common stock 2010-12-17 4 S 0 2500 11.5901 D 430020 D These shares were issued due to the vesting of Restricted Stock Units awarded on December 16, 2009. Of the 62,500 shares that vested on December 16, 2010, 19,813 shares were withheld to pay federal and state taxes. The recipient received 42,688 shares after taxes. Stock Price on the day of vesting and issuance was $12.07 per share. Sold under Form 144 filed with the SEC. Victor P. Stabio, by POA for Brent K. Bilsland 2010-12-20