Table of Contents
Company's confidential hotline at 866-519-1881 or by writing to the individual directors or group in care of Arch Coal, Inc., One CityPlace Drive, Suite 300, St. Louis,
Missouri 63141, Attention: Senior Vice President-Law, General Counsel and Secretary. All such communications are promptly communicated to the chairman, lead director, the chairman of the Audit
Committee or the Company's director of internal audit, as appropriate.