Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended September 30, 2023 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to . Commission file number: 1-13105 Arch Resources, Inc. (Exact name of registrant as specified in its charter) Delaware 43-0921172 (Stat ...

Arch Resources, Inc. (NYSE:ARCH) Q2 2023 Earnings Conference Call July 27, 2023 10:00 AM ET Company Participants Deck Slone - Senior Vice President, Strategy Paul Lang - Chief Executive Officer John Drexler - Chief Operating Officer Matt Giljum - Chief Financial Officer Conference Call Participants Lucas Pipes - B. Riley Securities Nathan Martin - The Benchmark Company Alex Hacking - Citi Katja Jancic - BMO Capital Markets Operator Good morning, and welcome to the Arch Resources Second Quarter 2023 Earnings ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended June 30, 2023 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to . Commission file number: 1-13105 Arch Resources, Inc. (Exact name of registrant as specified in its charter) Delaware 43-0921172 (State or ...

Arch Resources, Inc. (NYSE:ARCH) Q1 2023 Results Conference Call April 27, 2022 10:00 AM ET Company Participants Deck Slone - Senior Vice President of Strategy Paul Lang - President and Chief Executive Office John Drexler - Senior Vice President and Chief Operating Officer Matthew Giljum - Senior Vice President and Chief Financial Officer Conference Call Participants Lucas Pipes - B. Riley Securities Nathan Martin - The Benchmark Company Michael Dudas - Vertical Research Partners Operator Good day and welco ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q (Mark One) ☒ Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the quarterly period ended March 31, 2023 or ☐ Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the transition period from to . Commission file number: 1-13105 Arch Resources, Inc. (Exact name of registrant as specified in its charter) Delaware 43-0921172 (State or ...

Arch Resources, Inc. (NYSE:ARCH) Q4 2022 Earnings Conference Call February 16, 2023 10:00 AM ET Company Participants Deck Slone - Vice President, Strategy Paul Lang - Chief Executive Officer John Drexler - Chief Operating Officer Matt Giljum - Chief Financial Officer Conference Call Participants Lucas Pipes - B. Riley Securities David Gagliano - BMO Nathan Martin - The Benchmark Company Michael Dudas - Vertical Research Partners Chris LaFemina - Jefferies Operator Good day and welcome to the Fourth Quarter ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 Form 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 1-13105 Arch Resources, Inc. (Exact name of registrant as specified in its charter) Delaware 43-0921172 (State or other jurisdiction of incorporation or organization ...

Arch Resources, Inc. (NYSE:ARCH) Q3 2022 Earnings Conference Call October 26, 2022 10:00 AM ET Company Participants Deck Slone - SVP, Strategy Paul Lang - CEO John Drexler - COO Matt Giljum - CFO Conference Call Participants Dave Gagliano - BMO Capital Markets Lucas Pipes - B. Riley Nathan Martin - The Benchmark Company Alex Hacking - Citi Michael Dudas - Vertical Research Operator Good morning, and thank you for standing by. Welcome to the Arch Resources Third Quarter 2022 Earnings Conference Call. At this ...

Call Start: 11:00 January 1, 0000 12:00 PM ET Arch Resources, Inc. (NYSE:ARCH) Q2 2022 Earnings Conference Call July 28, 2022, 11:00 AM ET Company Participants Deck Slone - Senior Vice President, Strategy Paul Lang - Chief Executive Officer John Drexler - Chief Operating Officer Matt Giljum - Chief Financial Officer Conference Call Participants Lucas Pipes - B. Riley Securities David Gagliano - the BMO Capital Markets Nathan Martin - The Benchmark Company Michael Dudas - Vertical Research Operator And ladie ...