Hallador Energy Co (NASDAQ:HNRG) Q4 2018 Earnings Conference Call March 12, 2019 2:00 PM ET Company Participants Becky Palumbo - Director of Investor Relations Brent Bilsland - President and Chief Executive Officer Lawrence Martin - Chief Financial Officer Conference Call Participants Lucas Pipes - B Riley FBR Ethan Park - Extract Capital Operator Good day, and welcome to the Hallador Energy’s 2018 Full-year Earnings Conference Call and Webcast. All participants will be in listen-only mode. [Operator Instru ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 10-K x ANNUAL REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended: December 31, 2018 OR ¨ TRANSITION REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-3473 "COAL KEEPS YOUR LIGHTS ON" "COAL KEEPS YOUR LIGHTS ON" HALLADOR ENERGY COMPANY (www.halladorenergy.com) Colorado (State of incorporation) 84-1014610 (IRS Employer Identification No. ...