X0306 4 2016-10-05 0 0001037676 ARCH COAL INC ARCH 0001382977 Lang Paul A ONE CITY PLACE DRIVE SUITE 300 ST. LOUIS MO 63141 0 1 0 0 President & COO Common Stock 2016-10-05 4 J 0 11296 0.00 D 0 D Employee Stock Options 0.00 2016-10-05 4 D 0 62205 0.00 D Common Stock 62205 0 D Performance Stock Awards 0.00 2016-10-05 4 D 0 34580 0.00 D Common Stock 34580 0 D Restricted Stock Units 0.00 2016-10-05 4 D 0 34580 0.00 D Common Stock 34580 0 D Represents shares cancelled for no value on October 5, 2016, the Effective Date of Arch Coal, Inc.'s Fourth Amended Joint Plan of Reorganization and the date on which Arch Coal, Inc. emerged from Chapter 11. Represents employee stock options cancelled for no value on October 5, 2016, the Effective Date of Arch Coal, Inc.'s Fourth Amended Joint Plan of Reorganization and the date on which Arch Coal, Inc. emerged from Chapter 11. Represents Performance Stock Awards cancelled for no value on October 5, 2016, the Effective Date of Arch Coal, Inc.'s Fourth Amended Joint Plan of Reorganization and the date on which Arch Coal, Inc. emerged from Chapter 11. Represents Restricted Stock Units cancelled for no value on October 5, 2016, the Effective Date of Arch Coal, Inc.'s Fourth Amended Joint Plan of Reorganization and the date on which Arch Coal, Inc. emerged from Chapter 11. /s/ Rosemary L. Klein, Attorney-in-Fact 2016-10-07